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GENTSU TomoyukiUniversity Hospital / RadiologyAssistant Professor
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■ Award- Mar. 2024 Kobe University Hospital, Educational Achievement Award
- Jun. 2022 Japanese Society of Interventional Radiology, Featured Abstract, Preemptive aortic side branch embolization before EVAR with ENDURANT:A prospective multicenter study
- PURPOSE: We conducted a prospective study to evaluate the usefulness of ultralow-dose computed tomography (ULD-CT) with deep-learning reconstruction (DLR) compared with conventional standard-dose CT (SD-CT) for post-endovascular aneurysm repair (EVAR) surveillance. MATERIALS AND METHODS: We prospectively performed post-EVAR surveillance using ULD-CT at a single center in 44 patients after they had received SD-CT. The ULD-CT images underwent DLR, whereas the SD-CT images underwent iterative reconstruction. Three radiologists blinded to the patient information and CT conditions independently measured the aneurysmal sac diameter and evaluated the overall image quality. Bland-Altman analysis and a linear mixed-effects model were used to assess and compare the measurement accuracy between SD-CT and ULD-CT. RESULTS: The mean CT dose index volume and dose-length product were significantly lower for ULD-CT (1.0 ± 0.3 mGy and 71.4 ± 26.5 mGy•cm) than that for SD-CT (6.9 ± 0.9 mGy and 500.9 ± 96.0 mGy•cm; p<0.001). The mean short diameters of the aneurysmal sac measured by the 3 observers were 46.7 ± 10.8 mm on SD-CT and 46.3 ± 10.8 mm on ULD-CT. The mean difference in the short diameter of the aneurysmal sac between ULD-CT and SD-CT was -0.37 mm (95% confidence interval, -0.6 to -0.12 mm). The intraobserver limits of agreement (LOA) for measurements by ULD-CT and SD-CT were -3.5 to 2.6, -2.8 to 1.9, and -2.9 to 2.3 for Observers 1, 2, and 3, respectively. The pairwise LOAs for assessing interobserver agreement, such as for the differences between Observers 1 and 2 measurements in SD-CT, were mostly within the predetermined acceptable range. The mean image-quality score was lower for ULD-CT (3.3 ± 0.6) than that for SD-CT (4.5 ± 0.5; p<0.001). CONCLUSION: Aneurysmal sac diameter measurements by ULD-CT with DLR were sufficiently accurate for post-EVAR surveillance, with substantial radiation reduction versus SD-CT.Clinical ImpactDeep-learning reconstruction (DLR) is implemented as a software-based algorithm rather than requiring dedicated hardware. As such, it is expected to be integrated into standard computed tomography (CT) systems in the near future. The ultralow-dose CT (ULD-CT) with DLR evaluated in this study has the potential to become widely accessible across various institutions. This advancement could substantially reduce radiation exposure in post-endovascular aneurysm repair (EVAR) CT imaging, thereby facilitating its adoption as a standard modality for post-EVAR surveillance.Jun. 2025, Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists, 15266028251339345 - 15266028251339345, English, International magazineScientific journal
- Although transcatheter arterial embolization is the first choice treatment for renal arteriovenous malformation. Renal arteriovenous malformation with dilated venous sac can cause venous pulmonary thromboembolism after transcatheter arterial embolization. A woman in her 60s was diagnosed with a left renal arteriovenous malformation and an 8 cm venous sac with renal dysfunction after right renal arteriovenous malformation treatment. We performed a hybrid treatment of transcatheter arterial embolization and sequential vein ligation to reduce the risk of lethal thrombotic complications. After treatment, the left renal arteriovenous malformation disappeared without fatal complications, and the venous sac shrunk with the preservation of renal function as it was before the hybrid treatment. When performing embolization of renal arteriovenous malformation with a huge venous sac, hybrid treatment of arterial embolization and surgical vein ligation may be safe and useful for preventing fatal post-operative thrombotic complications.Mar. 2025, Interventional radiology (Higashimatsuyama-shi (Japan), 10, e20240005, English, Domestic magazineScientific journal
- The Japanese Society of Interventional Radiology, Mar. 2025, Interventional Radiology, 10, e2023 - 0048Scientific journal
- The Japanese Society of Interventional Radiology, Mar. 2025, Interventional Radiology, 10, e2024 - 0018Scientific journal
- 2025, Interventional Radiology (Web), 10A Narrative Review of Preemptive Aortic Side Branch Embolization in Preventing Type II Endoleak after Endovascular Abdominal Aneurysm Repair
- 金原出版, Jul. 2024, 臨床放射線, 69(4) (4), 567 - 572
- PURPOSE: To investigate the midterm stent patency and patient prognosis after stenting for superior mesenteric artery malperfusion complicating with acute aortic dissection. MATERIAL AND METHODS: Thirteen patients who underwent branch vessel stenting for superior mesenteric artery malperfusion between 2011 and 2021 in six institutions were retrospectively reviewed. By comparing pre- and postoperative computed tomography scans in the same plane, the length of the stent implanted in the superior mesenteric artery and the stent-to-vessel diameter ratio were measured. The technical and clinical success of stenting, midterm patient prognosis, and stent patency were evaluated. RESULTS: Superior mesenteric artery stenting was technically successful in 12 patients (92.3%). The mean length of the stents implanted in the superior mesenteric artery was 61.3 ± 39.4 mm (range, 14-127 mm). The mean proximal and distal stent-to-vessel diameter ratios were 1.02 ± 0.16 and 1.30 ± 0.42, respectively. A weak correlation was found between the length of the stents implanted in the superior mesenteric artery and the distal stent-to-vessel diameter ratio (R2 = 0.34). Two major complications occurred, one of which resulted in death within 30 days, and 12 (92.3%) were clinically successful. Of these 12 patients, no recurrent intestinal ischemia occurred during the follow-up duration (mean, 45.2 months). Partial occlusion of the stent distal edge without intestinal ischemia was observed in one patient (distal stent-to-vessel diameter ratio = 2.33) 42 months after stenting. The overall survival rate and primary stent patency rate were 84.6% and 91.7%, respectively. CONCLUSIONS: Midterm stent patency and survival after superior mesenteric artery stenting for malperfusion were acceptable.Jul. 2024, Interventional radiology (Higashimatsuyama-shi (Japan), 9(2) (2), 55 - 61, English, Domestic magazineScientific journal
- PURPOSE: The purpose of the study was to evaluate the efficacy and safety of pre-emptive transcatheter arterial embolization (P-TAE) of aortic side branches to prevent type II endoleak in patients with abdominal aortic aneurysm after endovascular abdominal aneurysm repair (EVAR). MATERIALS AND METHODS: This multicenter, prospective, single-arm trial enrolled 100 patients with abdominal aortic aneurysm from nine hospitals between 2018 and 2021. There were 85 men and 15 women, with a mean age of 79.6 ± 6.0 (standard deviation) years (range: 65-97 years). P-TAE was attempted for patent aortic side branches, including the inferior mesenteric artery, lumbar arteries, and other branches. The primary endpoint was late type II endoleak incidence at 6 months post-repair. Secondary endpoints included changes in aneurysmal sac diameter at 6- and 12 months, complications, re-intervention, and aneurysm-related mortality. Aneurysm sac changes at 6- and 12 months was compared between the late and no-late type II endoleak groups. RESULTS: Coil embolization was successful in 80.9% (321/397) of patent aortic side branches, including 86.3% of the inferior mesenteric arteries, 80.3% of lumbar arteries, and 55.6% of other branches without severe adverse events. Late type II endoleak incidence at 6 months was 8.9% (8/90; 95% confidence interval: 3.9-16.8%). Aneurysm sac shrinkage > 5 mm was observed in 41.1% (37/90) and 55.3% (47/85) of the patients at 6- and 12-months post-EVAR, respectively. Patients with late type II endoleak had less aneurysm sac shrinkage than those without type II endoleak at 12 months (-0.2 mm vs. -6.0 mm; P = 0.040). No patients required re-intervention for type II endoleak, and no aneurysm-related mortalities occurred. CONCLUSION: P-TAE is safe and effective in preventing type II endoleak, leading to early sac shrinkage at 12 months following EVAR.Mar. 2024, Diagnostic and interventional imaging, English, International magazineScientific journal
- PURPOSE: The occurrence of endoleaks, particularly type 2 endoleaks (EL2), is the primary cause of poor long-term prognosis after endovascular aneurysm repair (EVAR). This study aimed to evaluate the efficacy and safety of preemptive transcatheter arterial embolization (P-TAE) for aortic side branches (ASBs) to prevent EL2 before EVAR using the Excluder stent-graft system (EXCLUDER). MATERIALS AND METHODS: In this prospective, multicenter study, 80 patients (mean age, 79.1±6.7 years; 85.0% male patients; mean aneurysmal sac diameter, 48.4±7.4 mm) meeting the eligibility criteria were prospectively enrolled from nine hospitals. Before EVAR, p-TAE was performed to embolize the patent ASBs originating from the abdominal aortic aneurysm. Contrast-enhanced computed tomography was performed at 1 month and 6 months after EVAR. The primary endpoint was EL2 incidence at 6 months, and the secondary endpoints were aneurysmal sac diameter changes at 6 and 12 months, P-TAE outcomes, complications related to P-TAE, re-intervention, and aneurysm-related mortality. RESULTS: All patients successfully underwent P-TAE without serious complications. Coil embolization was successful in 81.6% of ASBs. EL2 incidence at 6 months was identified in 18/70 (25.7%) patients. Aneurysmal sac diameter shrinkage (≥5 mm) was observed in 30.0% of patients at 6 months and in 40.9% at 12 months. Only one patient required re-intervention for EL2 within 1 year of EVAR; aneurysm-related deaths were not observed. CONCLUSION: P-TAE for ASBs before EVAR using EXCLUDER is a safe and effective strategy. It aids in achieving early aneurysmal sac shrinkage and reduces EL2 re-intervention at 1 year after EVAR.Mar. 2024, Journal of vascular and interventional radiology : JVIR, English, International magazineScientific journal
- We report a case of a life-threatening ruptured renal angiomyolipoma (AML) that did not meet the criteria for prophylactic treatment (tumor >4 cm or intratumoral aneurysm >5 mm) during follow-up. A woman in her 70s was followed up for a 2.5-cm AML with a rich vascular component. An intratumoral aneurysm >5 mm was not identified for 2 years. She complained of a sudden abdominal pain with hypotension, and contrast-enhanced computed tomography revealed a retroperitoneal hematoma with contrast media extravasation from an intratumoral aneurysm. Emergency transcatheter arterial embolization was successfully performed using N-butyl cyanoacrylate glue. Rupture can occur in small AMLs or in AMLs not identified with intratumoral aneurysms during follow-up. AMLs with a rich vascular component at the kidney surface are more likely to rupture.Mar. 2024, Interventional radiology (Higashimatsuyama-shi (Japan), 9(1) (1), 20 - 25, English, Domestic magazine
- (公社)日本医学放射線学会, Feb. 2024, Japanese Journal of Radiology, 42(Suppl.) (Suppl.), 32 - 32, Japanese仙骨に発生した褐色脂肪腫の1例
- (一社)日本内分泌学会, Oct. 2023, 日本内分泌学会雑誌, 99(2) (2), 561 - 561, JapaneseBilateral Suppressionを呈したアルドステロン産生腺腫の一例
- (一社)日本インターベンショナルラジオロジー学会, May 2023, 日本インターベンショナルラジオロジー学会雑誌, 37(2) (2), 110 - 116, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 140 - 140, Japanese有痛性脊椎転移に対する経皮的椎体形成術の有効性に関与する因子の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 175 - 175, English術前大動脈分枝塞栓術を併用したEVAR(EXCLUDER)の一年成績 多施設共同前向き研究(One-year results of EVAR(EXCLUDER) with side branch embolization: A prospective multicenter study)
- Abstract Background Spinal fractures rarely cause hemothorax, and no treatment consensus has been reached. Conservative treatment is generally selected in cases without arterial injury, but there have been some reports of uncontrolled bleeding. Here we report a case of hemothorax caused by spinal fracture without arterial injury treated with transcatheter arterial embolization. Case presentation An 88-year-old Japanese woman with back pain was diagnosed with hemothorax due to bleeding from an unstable fracture of the tenth thoracic vertebra. Contrast-enhanced computed tomography revealed no obvious arterial injury. We performed transcatheter arterial embolization of the bilateral tenth intercostal arteries to prevent rebleeding. The hemothorax did not worsen until surgical spinal fixation 9 days post-transcatheter arterial embolization, and she was discharged 30 days after admission. Conclusion Transcatheter arterial embolization for hemothorax caused by spinal fractures without obvious arterial injury may be a useful bridge to spinal fixation.Springer Science and Business Media LLC, Sep. 2022, Journal of Medical Case Reports, 16(1) (1)Scientific journal
- Spinal cord ischemia (SCI) after endovascular abdominal aortic aneurysm repair is a rare but devastating complication. Occlusion of the artery of Adamkiewicz or feeders to the collateral network for spinal cord circulation (such as the subclavian, intercostal, lumbar, and internal iliac arteries) is associated with the onset of SCI. We present a case of monoplegia owing to SCI after elective endovascular abdominal aortic aneurysm repair with coil embolization of the left internal iliac artery in an elderly patient with a history of arteriosclerosis obliterans and aortic dissection, preoperatively occluding multiple intercostal arteries and the right internal iliac artery.Sep. 2022, Journal of vascular surgery cases and innovative techniques, 8(3) (3), 447 - 449, English, International magazine
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2022, 日本インターベンショナルラジオロジー学会雑誌, 36(3) (3), 244 - 253, Japanese【Intermediate stage HCCに対するTACE】TACEにおける腫瘍微小環境の変化と分子標的薬・免疫治療併用の意義
- PURPOSE: The purpose is to investigate the major and minor complications of the pancreas after transcatheter arterial embolization (TAE) using n-butyl-2-cyanoacrylate (NBCA) for bleeding from pancreatic arteries. MATERIALS AND METHODS: Thirty-three patients who underwent TAE using NBCA for acute bleeding from pancreatic arteries and their parent arteries followed by contrast-enhanced computed tomography (CE-CT) were evaluated retrospectively. Complications and risk factors were assessed using Mann-Whitney U test or Fisher's exact test for the univariate analysis. Patients' characteristic, embolized artery, procedure details, and clinical outcomes were examined as possible risk factors. RESULTS: TAE was performed successfully in all patients. Minor pancreatic complications occurred in 10 patients (30%), including acute mild pancreatitis (n = 4) and focal lack of pancreatic parenchymal enhancement on CE-CT without pancreatitis (n = 6). No cases of major pancreatic complications, such as moderate/severe pancreatitis, were reported. Embolized artery was the only significant risk factor. The rate of complications per embolized artery were 15% (three out of 20 patients) in the arteries of the pancreatic head and 54% (seven out of 13 patients) in the arteries of pancreatic body and tail (p = 0.025). CONCLUSION: TAE using NBCA for acute bleeding from pancreatic arteries is efficacious and safe. Mild pancreatic complications were observed more frequently in case of embolization of the pancreatic body and tail region than the pancreatic head.Oct. 2021, Japanese journal of radiology, 40(3) (3), 308 - 317, English, Domestic magazineScientific journal
- PURPOSE: To evaluate the efficacy of superselective transcatheter arterial embolization (TAE) for intractable postpartum hemorrhage (PPH) due to genital tract trauma (GTT) after vaginal delivery. METHODS: We evaluated 27 patients who underwent TAE for intractable PPH due to GTT after vaginal delivery at our institution between January 2008 and December 2020. Patients were divided into two groups according to TAE procedure; TAE performed as close as possible to the bleeding point, at least more peripherally than the second branch of the anterior division of the internal iliac artery, was defined as superselective TAE (S-TAE). TAE performed from the proximal segment of the internal iliac artery was defined as proximal TAE (P-TAE). Patient characteristics, pre-procedural contrast-enhanced computed tomography (CE-CT), procedure details, technical/clinical success, and complications were evaluated separately for the S-TAE and P-TAE groups. RESULTS: The combined technical/clinical success rate was 92%. No major procedure-related complications were seen (mean follow-up: 6.12 ± 3.93 days). The combined technical/clinical success rate of S-TAE was 100% and of P-TAE was 67% (p = 0.04). S-TAE was performed more frequently in patients with pre-procedural CE-CT (p = 0.01) and use of permanent embolic materials (p = 0.003). CONCLUSION: S-TAE is safe and effective for intractable PPH due to GTT. Pre-procedural CE-CT may be useful for detecting the culprit artery and be helpful in performing S-TAE.Jul. 2021, Emergency radiology, 28(6) (6), 1127 - 1133, English, International magazineScientific journal
- Background: Technological developments have led to an increased usage of external-body radiotherapy (RT) for the treatment of hepatocellular carcinoma (HCC). Transcatheter arterial chemoembolization (TACE) may be required later in patients treated with RT because of the high recurrence rate and multinodular presentation of HCC. However, despite the risk of liver function impairment, the cumulative liver damage correlated with TACE following a hepatic RT has not been adequately assessed. Purpose: To evaluate the feasibility of TACE following RT for HCC. Materials and methods: Sixty-seven patients with HCC who underwent TACE after RT were retrospectively evaluated between 2012 and 2018. We assessed increases in Child-Turcotte-Pugh (CTP) by ≥2 points at 1 month, the incidence of major complications, survival duration, and short-term mortality within 6 months after TACE. Furthermore, we evaluated the predictive factors for liver function impairment and short-term mortality. Results: Eight patients experienced a CTP increase ≥2 points at 1 month. There were no cases of liver abscesses or bilomas. Nine patients died within 6 months following TACE. The mean liver dose (MLD) was a significant predictor of liver function impairment at 1 month (p = 0.042). Low liver functional reserve, distant metastasis (p = 0.037), MLD (p = 0.046), TACE type (p = 0.025), and TACE within 3 months following RT (p = 0.007) were significant predictors of short-term mortality. Conclusions: Despite the feasibility of TACE following RT, clinicians should pay attention to impaired pretreatment liver function, following high dose RT, and the short duration between RT and TACE.Jul. 2021, Acta radiologica open, 10(7) (7), 20584601211034965 - 20584601211034965, English, International magazineScientific journal
- BACKGROUND: Preoperative prediction of thromboembolic complications using magnetic resonance imaging (MRI) in coronary arteries and carotid arteries has been established. However, the technique has not been applied in peripheral arteries. This study aimed to assess the relationship between thromboembolic complications during endovascular treatment (EVT) for iliac artery occlusion and signal intensity on MRI. METHODS: This single-institution study included 52 iliac artery occlusions in 51 patients (mean age, 70.4 years) who underwent successful EVT between January 2010 and March 2018. MRI using an inversion recovery-prepared, steady-state free precession technique was performed preoperatively. Thromboembolic complications were defined as distal embolization and in-stent protrusion greater than 25% of the stent cross-sectional area confirmed by angiography and intravascular ultrasonography, regardless of symptoms. The highest signal intensity of iliac artery occlusion divided by the signal intensity of adjacent iliopsoas muscle (target-to-muscle ratio, TMR) was measured on MR images. Multivariate analysis was performed to clarify the predictors of thromboembolic complications during EVT. RESULTS: Thromboembolic complications observed in 11 vessels (21.2%) from 11 patients comprised distal embolization (n = 4) and in-stent protrusion (n = 7). A TMR cutoff value > 2.57 had a sensitivity of 90.9%, specificity of 78.0%, positive predictive value of 52.6%, and negative predictive value of 97.0% for detecting thromboembolic complications during EVT. In the multivariate analysis, TMR >2.57 was the only independent factor associated with thromboembolic complications (odds ratio, 30.10; 95% confidence interval, 3.26-278.00; P = 0.003). CONCLUSIONS: The presence of higher signal intensity in iliac artery occlusion on MRI is useful for predicting thromboembolic complications during EVT.May 2021, Annals of vascular surgery, 73, 211 - 221, English, International magazineScientific journal
- Carbon dioxide (CO2) treatment is reported to have an antitumor effect owing to the improvement in intratumoral hypoxia. Previous studies were based on histological analysis alone. In the present study, the improvement in intratumoral hypoxia by percutaneous CO2 treatment in vivo was determined using 18F-fluoromisonidazole positron emission tomography-computed tomography (18F-FMISO PET-CT) images. Twelve Japanese nude mice underwent implantation of LM8 tumor cells in the dorsal subcutaneous area 2 weeks before percutaneous CO2 treatment and 18F-FMISO PET-CT scans. Immediately after intravenous injection of 18F-FMISO, CO2 and room air were administered transcutaneously in the CO2-treated group (n=6) and a control group (n=6), respectively; each treatment was performed for 10 minutes. PET-CT was performed 2 h after administration of 18F-FMISO. 18F-FMISO tumor uptake was quantitatively evaluated using the maximum standardized uptake value (SUVmax), tumor-to-liver ratio (TLR), tumor-to-muscle ratio (TMR), metabolic tumor volume (MTV) and total lesion glycolysis (TLG). Mean ± standard error of the mean (SEM) of the tumor volume was not significantly different between the two groups (CO2-treated group, 1.178±0.450 cm3; control group, 1.368±0.295 cm3; P=0.485). Mean ± SEM of SUVmax, TLR, MTV (cm3) and TLG were significantly lower in the CO2-treated group compared with the control group (0.880±0.095 vs. 1.253±0.071, P=0.015; 1.063±0.147361 vs. 1.455±0.078, P=0.041; 0.353±0.139 vs. 1.569±0.438, P=0.015; 0.182±0.070 vs. 1.028±0.338, P=0.015), respectively. TMR was not significantly different between the two groups (4.520±0.503 vs. 5.504±0.310; P=0.240). In conclusion, 18F-FMISO PET revealed that percutaneous CO2 treatment improved intratumoral hypoxia in vivo. This technique enables assessment of the therapeutic effect in CO2 treatment by imaging, and may contribute to its clinical application.Mar. 2021, Oncology letters, 21(3) (3), 207 - 207, English, International magazineScientific journal
- (一社)日本血管内治療学会, 2021, 日本血管内治療学会誌, 22(1) (1), 50 - 53, Japanese【血管内治療における抗血栓療法】外傷性・医原性血管損傷に対するバイアバーン留置後の抗血栓療法
- PURPOSE: To assess the utility of whole-aorta CT angiography (CTA) with 15 mL contrast material (CM) on time-resolved imaging for endovascular abdominal aortic repair (EVAR). METHODS: Twenty-six patients with a high-risk of post-contrast acute kidney injury (PC-AKI) underwent CTA with 15 mL CM using temporal maximum intensity projection (tMIP-CTA) generated from time-resolved imaging. The aortoiliac CT values were measured. Two observers measured the arterial diameters in unenhanced CT and tMIP-CTA images, and image quality was evaluated on a 5-point scale. The presence of the accessory renal artery, inferior mesenteric artery (IMA) occlusion, and instructions for use (IFU) of EVAR were evaluated. RESULTS: CT examinations were successfully performed, and no patients developed PC-AKI. The mean CT values of the whole aorta were 267.5 ± 51.4 HU, which gradually decreased according to the distal levels of the aorta. Bland-Altman analysis revealed excellent agreement for the external arterial diameter measurements between unenhanced CT and tMIP-CTA. Excellent interobserver agreement was achieved for the measurements of the external (ICCs, 0.910-0.992) and internal arterial diameters (ICCs, 0.895-0.993). Excellent or good overall image quality was achieved in 24 (92 %) patients. The presence of the accessory renal artery, IMA occlusion and the assessment of IFU were in 100 % agreement. Multivariate analysis revealed aortic volume as the most significant independent factor associated with strong aortic enhancement (p = 0.004). CONCLUSIONS: Whole-aorta tMIP-CTA on time-resolved imaging is useful for maintaining contrast enhancement and image quality for EVAR planning, and can substantially reduce the amount of CM.May 2020, European journal of radiology, 126, 108861 - 108861, English, International magazine[Refereed]Scientific journal
- PURPOSE: To evaluate the mid-term outcomes of transarterial embolization (TAE) for type II endoleak after endovascular abdominal aortic aneurysm repair (EVAR) and investigate the predictors of sac enlargement after embolization. MATERIALS AND METHODS: We conducted a retrospective analysis of 55 patients [48 men and 7 women, median age 79.0 (interquartile ranges 74-82) years] who underwent TAE for type II endoleak from 2010 to 2018. The aneurysmal sac enlargement, endoleaks, aneurysm-related adverse event rate, and reintervention rate were evaluated. Patients' characteristics and clinical factors were evaluated for their association with sac enlargement. RESULTS: Fifty-five patients underwent TAE with technical success and were subsequently followed for a median of 636 (interquartile ranges 446-1292) days. The freedom from sac enlargement rates at 1, 3, and 5 years was 73.2%, 32.0%, and 26.7%, respectively. After initial TAE, the recurrent type II, delayed type I, and occult type III endoleak were identified in 39 (71%), 5 (9%), and 3 (5%) patients, respectively. Although a patient had aorto-duodenal fistula, there was no aneurysm-related death. The freedom from reintervention rates was 84.6%, 35.7%, and 17.0%, respectively. In the multivariate analysis, sac diameter > 55 mm at initial TAE (hazard ratios, 3.23; 95% confidence intervals, 1.22-8.58; P < 0.05) was a significant predictor of sac enlargement. CONCLUSION: TAE for type II endoleak was not effective in preventing sac enlargement, and reinterventions were required among the mid-term follow-up. The sac diameter > 55 mm at initial TAE was a significant predictor of sac enlargement.May 2020, Cardiovascular and interventional radiology, 43(5) (5), 696 - 705, English, International magazine[Refereed]Scientific journal
- Jan. 2020, Journal of computer assisted tomography, 44(1) (1), 153 - 159[Refereed]Scientific journal
- PURPOSE: To assess the safety and efficacy of transarterial embolization (TAE) and to evaluate the utility of contrast-enhanced computed tomography (CE-CT) for life-threatening spontaneous retroperitoneal hemorrhage (SRH). METHODS: Nineteen patients underwent TAE following CE-CT for life-threatening SRH. CE-CT and angiographic findings, technical successes, and clinical successes were evaluated. The diagnostic performance of CE-CT for the detection of active bleeding arteries was also assessed by two independent readers. RESULTS: Active extravasation of contrast material was accurately observed in 78.9‒84.2% of the patients on CE-CT. Angiograms revealed active extravasation in 37 arteries of 15 patients (78.9%), and 4 patients showed no sign of active bleeding. Sensitivity, positive predictive value, and accuracy rate of CE-CT for the detection of active bleeding vessels was 59.5%, 62.9‒71.0% and 55.6‒60.0% respectively. The successful embolization of 48 intended arteries was achieved in all the patients, including empirical TAE in four patients. Hemodynamic stabilization was achieved in 17 patients (89.5%) with a significant decrease in transfusion (p < 0.001). CONCLUSION: TAE is a technically safe and clinically effective treatment method for life-threatening SRH. CE-CT has moderate capability for accurate identification of active bleeding arteries. TAE including arteries that potentially distribute anatomic territory of the hematoma is essential.Apr. 2019, Japanese journal of radiology, 37(4) (4), 328 - 335, English, Domestic magazine[Refereed]Scientific journal
- PURPOSE: To evaluate the incidence of type II endoleak (EL-II) and aneurysm enlargement after endovascular aneurysm repair (EVAR) using the Endurant stent graft in patients with abdominal aortic aneurysm (AAA) with occluded inferior mesenteric artery (IMA). MATERIALS AND METHODS: Between 2012 and 2017, 103 patients who underwent EVAR using the Endurant stent graft for AAA with occluded IMA (50 patients with prophylactic embolized IMA and 53 with spontaneous occluded IMA) were retrospectively reviewed. The incidence of EL-II and aneurysm enlargement was evaluated. Predictive factors for persistent EL-II were evaluated based on patient characteristics, preprocedural anatomical characteristics, intraprocedural details, and postprocedural complications. RESULTS: Incidence rates of early EL-II and persistent EL-II were 6.8% (7/103 patients) and 4.9% (5/103 patients), respectively. Aneurysm enlargement was found in 10 patients (9.7%), including all 5 patients with persistent EL-II, 3 with de novo EL-II, and 2 with no EL-II. The rates of freedom from aneurysm enlargement at 1, 2, and 3 years were 98.7%, 97.0%, and 93.1% for the group without persistent EL-II, and 80.0%, 60.0%, and 20.0% for the group with persistent EL-II (p < 0.001), respectively. The maximum aneurysm diameter (odds ratio (OR), 1.16; 95% confidence interval (CI), 1.01-1.34; p = 0.0362) and the number of patent lumbar arteries (OR, 2.72; 95% CI, 1.07-6.90; p = 0.0357) were predictive of persistent EL-II. CONCLUSIONS: The incidence of EL-II after EVAR using the Endurant stent graft for AAA with occluded IMA was low, but most early EL-II persisted and resulted in aneurysm enlargement. Level of Evidence Level 4, Case Series.Apr. 2019, Cardiovascular and interventional radiology, 42(4) (4), 505 - 512, English, International magazine[Refereed]Scientific journal
- PURPOSE: To evaluate the advantages of intraprocedural CT during adrenal venous sampling (AVS) to confirm accurate catheterization of the right adrenal vein (RAV). MATERIALS AND METHODS: This single-institution study included 106 patients (mean age 52.4 years; range 28-74 years) with primary aldosteronism who performed contrast-enhanced CT (CECT) before AVS following AVS between January 2011 and March 2018. After catheterization of the RAV under fluoroscopic guidance, unenhanced CT images were obtained to confirm catheter position on unified CT angiography system. Catheter repositioning was performed when the catheter was inaccurately positioned. Venography findings were classified into two groups: (1) presumably cannulated in the RAV (presumed RAV group) and (2) obscured visualization of the RAV because of collateral vessels (obscured RAV group). Success rates of AVS were compared using Fisher's exact test. RESULTS: The overall success of AVS was achieved in 104 patients (98.1%). Catheter was deviated into the IVC during intraprocedural CT in four patients. Fourteen patients (14.0%) required catheter repositioning by intraprocedural CT images, and accurate catheterization in the RAV was eventually accomplished. The success rate of AVS was significantly higher in the presumed RAV group (90.1% [73/81]) than that in the obscured RAV group (68.4% [13/19]) (p = 0.024). If intraprocedural CT was not acquired during AVS, the success rate of AVS would have been significantly lower (84.9% [90/106]) compared with that use of intraprocedural CT (98.1% [104/106]) (p < 0.001). CONCLUSIONS: Intraprocedural unenhanced CT by referring to the preprocedural CECT before AVS enables the confirmation of accurate catheterization of the RAV. LEVEL OF EVIDENCE: Level 4, case series.Apr. 2019, Cardiovascular and interventional radiology, 42(4) (4), 542 - 551, English, International magazine[Refereed]Scientific journal
- Aug. 2017, International journal of oncology, 51(2) (2), 695 - 701, English, International magazine[Refereed]Scientific journal
- 2024, 日本インターベンショナルラジオロジー学会雑誌(Web), 38(3) (3)IVR Support during Cesarean Section for Pregnancies Complicated by Placenta Accreta Spectrum Disorders at Kobe University Hospital
- 2024, 日本消化器病学会近畿支部例会プログラム・抄録集, 120th脾仮性動脈瘤を伴う胃潰瘍による難治性消化管出血の一例
- (一社)日本インターベンショナルラジオロジー学会, Jan. 2024, 日本インターベンショナルラジオロジー学会雑誌, 38(3) (3), 166 - 175, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Oct. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(1) (1), 16 - 23, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 117 - 117, Japanese大腿膝窩動脈病変に対するdrug-coated balloonの標準手技
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 119 - 119, Japanese膝下動脈病変における血行再建術のエビデンス
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 175 - 175, English術前大動脈分枝塞栓術を併用したEVAR(EXCLUDER)の一年成績 多施設共同前向き研究(One-year results of EVAR(EXCLUDER) with side branch embolization: A prospective multicenter study)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2023, 日本インターベンショナルラジオロジー学会雑誌, 38(Suppl.) (Suppl.), 192 - 192, Japanese肝細胞癌に対するDEB-TACE後の腫瘍内感染に対して経皮的ドレナージを行い治療した一例
- (一社)日本インターベンショナルラジオロジー学会, Feb. 2023, 日本インターベンショナルラジオロジー学会雑誌, 37(1) (1), 2 - 12, Japanese
- 2023, 日本インターベンショナルラジオロジー学会雑誌(Web), 37(1) (1)Evidence and Current Practice to Improve the Long-term Outcome of Endovascular Abdominal Aneurysm Repair
- 2023, 日本インターベンショナルラジオロジー学会雑誌(Web), 37(2) (2)Interventional Radiology for Acute Mesenteric Arterial Occlusion
- 2023, 日本血管外科学会雑誌(Web), 32(Supplement) (Supplement)Type 2 endoleakの抑制を目的とした腹部大動脈瘤に対するEndurantを用いたEVAR前の分枝塞栓術に関する多施設共同前向き臨床研究
- 2023, 日本インターベンショナルラジオロジー学会雑誌(Web), 38(1) (1)Technical Tips of NBCA Embolization for Pancreatic and Gastrointestinal Hemorrhage
- 2023, 日本血管内治療学会学術総会プログラム・抄録集, 29th電気離脱式マイクロコイルによるtemporary anchoring techniqueを用いて塞栓を行った腹腔動脈瘤の一例
- (NPO)日本血管外科学会, 2023, 日本血管外科学会雑誌, 32(Suppl.) (Suppl.), O14 - 1, JapaneseType 2 endoleakの抑制を目的とした腹部大動脈瘤に対するEndurantを用いたEVAR前の分枝塞栓術に関する多施設共同前向き臨床研究
- (一社)日本インターベンショナルラジオロジー学会, Dec. 2022, 日本インターベンショナルラジオロジー学会雑誌, 36(4) (4), 365 - 401, Japanese
- (一社)日本インターベンショナルラジオロジー学会, May 2022, 日本インターベンショナルラジオロジー学会雑誌, 37(Suppl.) (Suppl.), 238 - 238, Englishラット肝細胞癌モデルにおける塞栓によるマクロファージの極性転換はレンバチニブによってリプログラムされ得る(Embolization Induced Macrophage Polarization can be Reprogrammed by Lenvatinib in Rat Hepatoma Model)
- (一社)日本インターベンショナルラジオロジー学会, May 2022, 日本インターベンショナルラジオロジー学会雑誌, 37(Suppl.) (Suppl.), 271 - 271, EnglishエクスクルーダーによるEVAR前の予防的な大動脈側枝塞栓術 前向き多施設共同研究(Preemptive aortic side branch embolization before EVAR with EXCLUDER:A prospective multicenter study)
- (一社)日本インターベンショナルラジオロジー学会, May 2022, 日本インターベンショナルラジオロジー学会雑誌, 37(Suppl.) (Suppl.), 212 - 212, EnglishENDURANTによるEVAR前の大動脈側枝塞栓術の先取り 多施設共同プロスペクティブ研究(Preemptive aortic side branch embolization before EVAR with ENDURANT: A prospective multicenter study)
- (一社)日本インターベンショナルラジオロジー学会, May 2022, 日本インターベンショナルラジオロジー学会雑誌, 37(Suppl.) (Suppl.), 129 - 129, English日本若手IVR医コミュニティ(J-CIRCLE)からの歓迎の挨拶と紹介(Welcome greet and introduction from the junior IR community(J-CIRCLE) in JAPAN)
- (公社)日本医学放射線学会, Mar. 2022, 日本医学放射線学会学術集会抄録集, 81回, S106 - S106, English血管系IVRの遠隔期治療成績向上の取り組み EVARの遠隔期成績向上への取り組み(Effort to Improve Long-term Outcome for Vascular IVR Current Practice to Improve the Long-term Outcome of EVAR)
- (公社)日本医学放射線学会, Mar. 2022, 日本医学放射線学会学術集会抄録集, 81回, S148 - S148, Englishエンドリークの診断・治療・予防(Diagnosis, Intervention, and Prevention for Endoleak after EVAR and TEVAR)
- (一社)日本インターベンショナルラジオロジー学会, Mar. 2022, 日本インターベンショナルラジオロジー学会雑誌, 36(2) (2), 194 - 194, JapaneseEVAR後の内腸骨動脈瘤をup-and-over techniqueを用いてExcluder IBEで治療した1例
- 2022, 日本インターベンショナルラジオロジー学会雑誌(Web), 36(2) (2)EVAR後の内腸骨動脈瘤をup-and-over techniqueを用いてExcluder IBEで治療した1例
- 2022, 日本インターベンショナルラジオロジー学会雑誌(Web), 36(3) (3)The Effect of TACE on the Tumor Microenvironment and the Synergistic Effect of TACE Combined with Molecular Target Agent and Immune Checkpoint Inhibitor
- 2022, リザーバー&ポート研究会プログラム・抄録集, 46th血管内異物除去鉗子(vascular retrieval forceps)を用いた肝動注リザーバーカテーテルやCVカテーテルの先端位置調整
- (一社)日本脈管学会, Oct. 2021, 脈管学, 61(Suppl.) (Suppl.), S149 - S149, Japanese当院における内臓動脈瘤に対する血管内治療の経験
- (公社)日本医学放射線学会, Aug. 2021, 日本医学放射線学会秋季臨床大会抄録集, 57回, S464 - S464, Japanese逆チャンス型胸椎骨折による血胸の一例
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2021, 日本インターベンショナルラジオロジー学会雑誌, 36(Suppl.) (Suppl.), 142 - 142, Japanese上腸間膜動脈ステントの長期開存性についての多施設共同後ろ向き研究
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2021, 日本インターベンショナルラジオロジー学会雑誌, 36(Suppl.) (Suppl.), 160 - 160, JapaneseShaggy aorta症例における上腸間膜動脈バルーンプロテクション併用下TEVARの有用性の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2021, 日本インターベンショナルラジオロジー学会雑誌, 36(Suppl.) (Suppl.), 191 - 191, JapaneseウサギVX2腫瘍モデルを用いた過酸化チタンナノ粒子動注の基礎的研究
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2021, 日本インターベンショナルラジオロジー学会雑誌, 36(Suppl.) (Suppl.), 201 - 201, English上顎癌動注化学療法における腫瘍進展方向と栄養血管に関する検討(Tumor extension and feeding arteries in intraarterial chemotherapy for maxillary cancer)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2021, 日本インターベンショナルラジオロジー学会雑誌, 36(Suppl.) (Suppl.), 251 - 251, Japanese陰部腟静脈瘤に対し血管内治療を行った1例
- 2021, 脈管学(Web), 61(supplement) (supplement)当院における内臓動脈瘤に対する血管内治療の経験
- (一社)日本血管内治療学会, 2021, 日本血管内治療学会誌, 22(1) (1), 50 - 53, Japanese【血管内治療における抗血栓療法】外傷性・医原性血管損傷に対するバイアバーン留置後の抗血栓療法
- (公社)日本医学放射線学会, Oct. 2020, 日本医学放射線学会秋季臨床大会抄録集, 56回, S144 - S144, Japanese治療適応の基準を満たさない腎血管筋脂肪腫の破裂
- (公社)日本医学放射線学会, Oct. 2020, 日本医学放射線学会秋季臨床大会抄録集, 56回, S144 - S144, Japanese治療適応の基準を満たさない腎血管筋脂肪腫の破裂
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2020, 日本インターベンショナルラジオロジー学会雑誌, 35(Suppl.) (Suppl.), 122 - 122, Japanese液体塞栓物質(NBCA)を極める! エキスパートへの道 膵領域の急性出血に対するNBCAを用いた動脈塞栓術の検討
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2020, 日本インターベンショナルラジオロジー学会雑誌, 35(Suppl.) (Suppl.), 131 - 131, Japanese骨転移疼痛に対する集学的治療 -この痛みをどう治療するか- 骨転移に対する骨セメント治療 経皮的椎体形成術の適応を考える
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2020, 日本インターベンショナルラジオロジー学会雑誌, 35(Suppl.) (Suppl.), 133 - 133, Japanese大動脈解離に対するIVR 大動脈解離に対するIVRの現況と課題
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2020, 日本インターベンショナルラジオロジー学会雑誌, 35(Suppl.) (Suppl.), 282 - 282, Japaneseドセタキセル含浸薬剤溶出性ビーズの基礎的検討
- (一社)日本災害医学会, Dec. 2019, Japanese Journal of Disaster Medicine, 24(3) (3), 284 - 284, Japanese
- (一社)日本脈管学会, Oct. 2019, 脈管学, 59(Suppl.) (Suppl.), S140 - S140, Japanese当院における脾動脈瘤に対する動脈塞栓術の治療成績
- (一社)日本脈管学会, Oct. 2019, 脈管学, 59(Suppl.) (Suppl.), S175 - S175, JapaneseIliac Branch Endoprosthesisを用いたステントグラフト内挿術の初期成績
- (一社)日本脈管学会, Oct. 2019, 脈管学, 59(Suppl.) (Suppl.), S140 - S140, Japanese当院における脾動脈瘤に対する動脈塞栓術の治療成績
- (一社)日本脈管学会, Oct. 2019, 脈管学, 59(Suppl.) (Suppl.), S175 - S175, JapaneseIliac Branch Endoprosthesisを用いたステントグラフト内挿術の初期成績
- (公社)日本医学放射線学会, Sep. 2019, 日本医学放射線学会秋季臨床大会抄録集, 55回, S408 - S408, Japanese最新のエビデンスに基づくステントグラフト治療の現況と課題 大動脈解離
- (一社)日本インターベンショナルラジオロジー学会, Sep. 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(1) (1), 28 - 35, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Sep. 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(1) (1), 79 - 79, Japanese直腸静脈瘤に対して上直腸静脈直接穿刺法で塞栓術を行った1例
- (公社)日本医学放射線学会, Sep. 2019, 日本医学放射線学会秋季臨床大会抄録集, 55回, S408 - S408, Japanese最新のエビデンスに基づくステントグラフト治療の現況と課題 大動脈解離
- (一社)日本インターベンショナルラジオロジー学会, Sep. 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(1) (1), 79 - 79, Japanese直腸静脈瘤に対して上直腸静脈直接穿刺法で塞栓術を行った1例
- The Japanese Society of Interventional Radiology, Sep. 2019, The Official Journal of the Japanese Society of Interventional Radiology, 34(1) (1), 28 - 35, Japanese
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 226 - 226, Japanese肝細胞癌に対する放射線照射治療後の経動脈的化学塞栓療法の安全性の検討
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 226 - 226, Japanese肝細胞癌に対する放射線照射治療後の経動脈的化学塞栓療法の安全性の検討
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 239 - 239, Japanese当院における経腟分娩後の産道出血に対する動脈塞栓術の検討
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 255 - 255, JapaneseIliac Branch Endoprosthesisを用いたステントグラフト内挿術の初期成績
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 259 - 259, Japanese当院における大動脈解離に対するTEVARの治療成績
- (一社)日本インターベンショナルラジオロジー学会, May 2019, 日本インターベンショナルラジオロジー学会雑誌, 34(Suppl.) (Suppl.), 314 - 314, JapaneseCTで認識できない骨病変に対するCTガイド下骨生検の検討
- 2019, 脈管学(Web), 59(supplement) (supplement)当院における脾動脈瘤に対する動脈塞栓術の治療成績
- 2019, 日本インターベンショナルラジオロジー学会雑誌(Web), 34(1) (1)Preoperative Embolization for the Prevention of Type II Endoleak
- 2019, 脈管学(Web), 59(supplement) (supplement)Iliac Branch Endoprosthesisを用いたステントグラフト内挿術の初期成績
- 2019, 日本インターベンショナルラジオロジー学会雑誌(Web), 34(1) (1)直腸静脈瘤に対して上直腸静脈直接穿刺法で塞栓術を行った1例
- 2019, 日本医学放射線学会秋季臨床大会抄録集, 55th大動脈解離
- The Japanese Society of Interventional Radiology, Oct. 2018, Interventional Radiology, 3(10) (10), 1 - 5, English[Refereed]Report scientific journal
- (一社)日本脈管学会, Sep. 2018, 脈管学, 58(Suppl.) (Suppl.), S107 - S107, Japanese中長期成績からみた腹部大動脈瘤ステントグラフトの功罪 IMA閉塞例におけるEVAR後のType 2エンドリークの検討 予防的IMA塞栓術は有用か?
- The Japanese Society of Interventional Radiology, Aug. 2018, The Official Journal of the Japanese Society of Interventional Radiology, 33(2) (2), 137 - 143, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2018, IVR: Interventional Radiology, 33(2) (2), 137 - 143, Japanese
- (NPO)日本血管外科学会, Jun. 2018, 日本血管外科学会雑誌, 27(Suppl.) (Suppl.), P38 - 3, JapaneseEVAR・TEVAR後の原因不明の瘤径拡大例に対する非造影MRIを用いた評価の初期経験
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 190 - 190, English右副腎静脈を確認するための副腎静脈サンプリング中血管造影CTの有用性(The utility of Angio-CT during adrenal venous sampling to confirm the right adrenal vein)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 191 - 191, English血管過多性脊髄腫瘍の部分切除のための術前塞栓術の実行可能性(The feasibility of preoperative embolization for partial resection of hypervascular spinal tumor)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 205 - 205, EnglishTEVAR後のII型エンドリークに対する経動脈塞栓術 単施設における経験(Transarterial embolization for type II endoleak after TEVAR-A single institutional experience)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 227 - 227, English膵および膵周囲動脈の急性出血に対するNBCA塞栓術(Embolization with NBCA for acute bleeding of pancreatic and peripancreatic arteries)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 238 - 238, English血管内腹部大動脈修復(EVAR)後のII型エンドリーク塞栓術の長期転帰(Long-term outcome of type II endoleak embolization after endovascular abdominal aortic repair (EVAR))
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 239 - 239, English下腸間膜動脈閉塞を伴うEVAR後の2型エンドリークの予測因子(Predictive factors of type 2 endoleaks after EVAR with occluded inferior mesenteric artery)
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2018, IVR: Interventional Radiology, 33(Suppl.) (Suppl.), 311 - 311, EnglishEVAR後のグラフト関連エンドリークを検出するための非造影MRIの有用性 1症例報告(Usefulness of non-contrast MRI to detect a graft-related endoleak after EVAR: a case report)
- (公社)日本放射線技術学会, 2018, 日本放射線技術学会総会学術大会予稿集, 74th, 290 - 290, Japanese横隔膜近傍の肝腫瘍における位置決め指標の検討
- (一社)日本インターベンショナルラジオロジー学会, 2018, IVR, 33(1) (1), 68 - 68, JapaneseChimney法を用いたTEVAR後のgutter endoleakに対し塞栓術を施行した弓部大動脈瘤の1例
- (一社)日本インターベンショナルラジオロジー学会, 2018, IVR, 33(1) (1), 68 - 68, Japaneseエンドリークの診断に非造影MRIが有用であったEVAR後瘤径拡大の1例
- 2018, IVR, 33(2) (2), 137‐143, JapaneseIVR後の画像診断 5.金属コイルを用いた動脈塞栓術後の画像診断
- (一社)日本インターベンショナルラジオロジー学会, 2018, Interventional Radiology, 3(3) (3), 126 - 130, English
- 2018, 日本血管外科学会雑誌(Web), 27(Supplement) (Supplement)EVAR・TEVAR後の原因不明の瘤径拡大例に対する非造影MRIを用いた評価の初期経験
- 2018, 脈管学(Web), 58(supplement) (supplement)IMA閉塞例におけるEVAR後のType2エンドリークの検討:予防的IMA塞栓術は有用か?
- (一社)日本インターベンショナルラジオロジー学会, 2018, IVR: Interventional Radiology, 33(3) (3), 317 - 318, Japanese破裂性十二指腸静脈瘤に対してバルーン閉塞下逆行性静脈瘤塞栓術を施行した1例
- (一社)日本救急医学会, 2018, 日本救急医学会雑誌, 29(10) (10), 464 - 464, Japanese頭頸部癌による急性出血に対する動脈塞栓術の検討
- (一社)日本脈管学会, Oct. 2017, 脈管学, 57(Suppl.) (Suppl.), S146 - S146, Japaneseグラフト中枢の大動脈分枝が関与するEVAR後type II endoleakの経動脈的塞栓術 第三腰動脈との吻合形態と治療成績の関連
- (公社)日本放射線技術学会, Sep. 2017, 日本放射線技術学会雑誌, 73(9) (9), 835 - 835, Japanese肝胆領域での粒子線治療における異なる位置決め指標を用いた再現性評価
- (公社)日本放射線技術学会, Sep. 2017, 日本放射線技術学会雑誌, 73(9) (9), 835 - 835, Japanese肝腫瘍と位置決め指標の距離が線量分布に与える影響
- Jul. 2017, Metallic Stentの現状と進歩XVII, 32, 20 - 21, Japanese空腸動脈瘤の塞栓術後に正中弓状靭帯の圧迫による副駆動脈起始部狭窄に対してステントを留置した1例[Invited]Report scientific journal
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 164 - 164, Japanese腫瘍性脊椎圧骨折に対する経皮的椎体形成術の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 174 - 174, Japanese肝門部胆管癌に対する呼吸同期粒子線治療に用いる照準マーカーの経動脈的留置法の安全性と有用性の評価
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 180 - 180, Japanese動脈塞栓術を施行した腎部分切除術後の仮性動脈瘤の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 193 - 193, Japanese短区間の急性膝窩動脈閉塞症に対する深大腿動脈への血栓移動術
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 236 - 236, Japanese十二指腸静脈瘤に対するB-RTOの有効性の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 243 - 243, Japanese炎症性腹部大動脈瘤に対するステントグラフト内挿入術(EVAR)の治療成績
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 244 - 244, JapaneseEVAR後にopen conversionに至った症例の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 246 - 246, JapaneseEndurantステントグラフトによるEVARの中長期成績
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2017, IVR: Interventional Radiology, 32(Suppl.) (Suppl.), 339 - 339, Japanese治療に難渋した胸部大動脈術後のtype II endoleakの二例
- 金原出版(株), Nov. 2016, 臨床放射線, 61(11) (11), 1439 - 1443, Japanese
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S137 - S137, JapaneseEVAR後の遅発性type 1bエンドリークの危険因子に関する検討
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S140 - S140, Japanese腸骨動脈閉塞のMRIプラークイメージング MRI所見と血管内治療中の血栓塞栓性合併症の対比
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S142 - S142, JapaneseMR plaque imagingが治療方針決定に有用であった下肢動脈閉塞症の4例
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S167 - S167, JapaneseEndurantステントグラフトによるEVARの中長期成績
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S188 - S189, Japanese左総腸骨動脈閉塞を伴う腹部大動脈瘤に対するEVAR後にTypell endoleak塞栓を繰り返した1例
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S189 - S189, JapaneseEVAR後の遅発性Type 1a endoleakに対し瘤内塞栓術およびAortic cuff留置術にて治療した1例
- (一社)日本脈管学会, Oct. 2016, 脈管学, 56(Suppl.) (Suppl.), S207 - S207, Japanese上腸間膜動脈急性閉塞に対しフォガティースルールーメンカテーテルを用いて血栓除去を行った一例
- (一社)日本インターベンショナルラジオロジー学会, 20 Aug. 2016, IVR, 31(3) (3), 267 - 267, Japanese腰動脈が関与したType II endoleakに対して0.008インチガイドワイヤーを用いたナックルワイヤーテクニックにて塞栓術を行った1例
- (一社)日本インターベンショナルラジオロジー学会, Aug. 2016, IVR, 31(3) (3), 267 - 267, Japanese左総腸骨動脈閉塞を伴う腹部大動脈瘤に対するEVAR後にType II endoleak塞栓を繰り返した1例
- 20 Jun. 2016, IVR, 31(2) (2), 178, JapaneseEVAR後の遅発性Type 1a endoleakに対し瘤内塞栓術およびAortic cuff留置術にて治療した1例
- 20 Jun. 2016, IVR, 31(2) (2), 129‐135, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Jun. 2016, IVR, 31(2) (2), 178 - 178, Japanese予防的IMA塞栓術を併施したENDURANT Stentgraft Systemを用いたEVARの治療成績
- (一社)日本インターベンショナルラジオロジー学会, Jun. 2016, IVR: Interventional Radiology, 31(2) (2), 182 - 182, JapaneseTAEとデノスマブ投与の併用が奏功した仙骨巨細胞腫の1例
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2016, IVR: Interventional Radiology, 31(Suppl.) (Suppl.), 113 - 113, Japaneseビーズ導入後のTACEの現状 多発肝細胞癌に対する非選択的DEB-TACEの有用性の検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2016, IVR: Interventional Radiology, 31(Suppl.) (Suppl.), 131 - 131, JapaneseEVAR後のDistal sealing zoneの形態変化と遅発性type 1bエンドリークの危険因子に関する検討
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2016, IVR: Interventional Radiology, 31(Suppl.) (Suppl.), 135 - 135, JapaneseEndurantステントグラフトによるEVARの中長期成績
- (一社)日本インターベンショナルラジオロジー学会, Apr. 2016, IVR: Interventional Radiology, 31(Suppl.) (Suppl.), 136 - 136, JapaneseEndurantステントグラフトを用いたEVARにおける予防的IMA塞栓群・非塞栓群の比較・検討
- (公社)日本医学放射線学会, Feb. 2016, Japanese Journal of Radiology, 34(Suppl.) (Suppl.), 53 - 53, Japanese前立腺嚢胞性腺腫の1例
- 2016, 脈管学(Web), 56(supplement) (supplement), S189(J‐STAGE), JapaneseEVAR後の遅発性Type1a endoleakに対し瘤内塞栓術およびAortic cuff留置術にて治療した1例
- 2016, 脈管学(Web), 56(supplement) (supplement), S188‐S189(J‐STAGE), Japanese左総腸骨動脈閉塞を伴う腹部大動脈瘤に対するEVAR後にTypeII endoleak塞栓を繰り返した1例
- 2016, 脈管学(Web), 56(supplement) (supplement), S142(J‐STAGE), JapaneseMR plaque imagingが治療方針決定に有用であった下肢動脈閉塞症の4例
- 2016, 脈管学(Web), 56(supplement) (supplement), S167(J‐STAGE), JapaneseEndurantステントグラフトによるEVARの中長期成績
- 2016, 脈管学(Web), 56(supplement) (supplement), S137(J‐STAGE), JapaneseEVAR後の遅発性type1bエンドリークの危険因子に関する検討
- 2016, 脈管学(Web), 56(supplement) (supplement), S207(J‐STAGE), Japanese上腸間膜動脈急性閉塞に対しフォガティースルールーメンカテーテルを用いて血栓除去を行った一例
- 2016, 脈管学(Web), 56(supplement) (supplement), S140(J‐STAGE), Japanese腸骨動脈閉塞のMRIプラークイメージング―MRI所見と血管内治療中の血栓塞栓性合併症の対比―
- (一社)日本インターベンショナルラジオロジー学会, 2016, IVR, 31(2) (2), 189 - 189, Japanese大動脈・末梢動脈疾患に対する救急IVR―神戸大学病院における取り組みとその応用―
- (一社)日本インターベンショナルラジオロジー学会, 2016, IVR, 31(3) (3), 266 - 266, Japaneseハイブリッド手術システムを用いたIVR―非大血管疾患における臨床応用―
- This article describes the original procedures performed using a hybrid operation system in Kobe University Hospital. This system is being used for the following interventional procedures: percutaneous isolated hepatic perfusion chemotherapy (PIHP) for advanced hepatocellular carcinoma, balloon occlusion and emergent embolization for placenta accreta, combination with endovascular intervention and surgical treatment for peripheral arterial disease, interventional procedures for managing portal vein disease using the trans-ileocolic approach, and combination with trans-catheter embolization and percutaneous sclerotherapy for arteriovenous malformation. In a hybrid operation room, there are many procedures that interventional radiologists could contribute to and should take an active part in.The Japanese Society of Interventional Radiology, 2016, The Official Journal of the Japanese Society of Interventional Radiology, 31(2) (2), 129 - 135, Japanese
- (一社)日本インターベンショナルラジオロジー学会, Sep. 2015, IVR, 30(3) (3), 284 - 284, Japanese前置・癒着胎盤の帝王切開時におけるIVR―ハイブリッド手術室を利用した新たな治療戦略―
- (一社)日本インターベンショナルラジオロジー学会, Sep. 2015, IVR, 30(3) (3), 286 - 286, Japanese異時性に発症した両側特発性腸骨動脈解離の1例
- (一社)日本救急医学会, Aug. 2015, 日本救急医学会雑誌, 26(8) (8), 387 - 387, Japanese頭部外傷に対するdynamic CTの有用性
- (公社)日本医学放射線学会, Feb. 2015, 日本医学放射線学会学術集会抄録集, 74回, S260 - S261, EnglishDynamic造影CTを用いた、外傷性急性硬膜下血腫の血腫増大の予測(Dynamic contrast enhanced CT for prediction of subsequent hemorrhage progression in acute traumatic subdural hematoma)
- (公社)日本医学放射線学会, Sep. 2014, 日本医学放射線学会秋季臨床大会抄録集, 50回, S731 - S731, Japanese術前にGRシャントがないことに気づけなかった破裂胃静脈瘤に対する緊急BRTOの1例
- (一社)日本インターベンショナルラジオロジー学会, Jun. 2014, IVR, 29(2) (2), 224 - 224, JapaneseSwan‐Ganzカテーテルによる肺動脈損傷に対してコイル塞栓術を施行した1例
- 25 Feb. 2014, Jpn J Radiol, 32(Supplement) (Supplement), 47, Japanese透析シャント不全に対する超高耐圧ノンコンプライアントバルーン“YOROI”の初期治療経験
- (公社)日本医学放射線学会, Feb. 2014, 日本医学放射線学会学術集会抄録集, 73回, S352 - S352, English当院での大腸AVMに対する経動脈的治療経験についての検討(Clinical experience of TAE for colorectal arteriovenous malformations in our hospital)
- 28 Feb. 2013, 日本医学放射線学会総会抄録集, 72nd, S405, Japanese透析シャント不全に対する超高耐圧ノンコンプライアントバルーン“YOROI”の初期治療経験
- 2013, 日本医学放射線学会秋季臨床大会抄録集, 49th, S566, Japanese多発外傷で脂肪塞栓症候群を発症した1例
- 2013, 日本医学放射線学会秋季臨床大会抄録集, 49th, S538, Japanese肺吸虫症の1例
- 15 Oct. 2012, 日本救急医学会雑誌, 23(10) (10), 706, Japanese人工血管を利用したPCPSで救命しえた,造影剤によるアナフィラキシーショックの1例
- 15 Oct. 2012, 日本救急医学会雑誌, 23(10) (10), 481, Japanese本当に必要な病院前診療とは何か~当センタードクターカーの活動内容の変遷から考える
- (公社)日本医学放射線学会, Aug. 2012, 日本医学放射線学会秋季臨床大会抄録集, 48回, S512 - S512, Japanese単純CTにおける肺動脈血栓塞栓症の診断能に関する検討
- 公益財団法人 日本心臓財団, Jul. 2012, 心臓, 44(7) (7), 933 - 933, Japanese
- (株)へるす出版, Sep. 2011, 中毒研究, 24(3) (3), 272 - 273, Japanese界面活性剤の誤飲により著明な代謝性アシドーシスをきたした一例
- 15 Aug. 2011, 日本救急医学会雑誌, 22(8) (8), 495, JapaneseMassive Transfusion Protocol導入による重症外傷症例の治療成績
- 公益財団法人 日本心臓財団, Jul. 2011, 心臓, 43(7) (7), 1037 - 1037, Japanese
- 日本臨床外科学会, Oct. 2009, 日本臨床外科学会雑誌, 70(増刊) (増刊), 704 - 704, Japanese当院における虫垂病変の検討
- 54th Annual Meeting of the Japanese Society of Interventional Radiology (JSIR 2025) and the 15th International Symposium of Interventional Radiology (ISIR 2025), May 19, 2025. Tokyo, May 2025Drug-Coated balloon for femoropopliteal lesions.[Invited]Nominated symposium
- NEXTセミナー, Feb. 2025, Japanese急性下肢動脈閉塞に対する Indigoは あり?なし?: Guidelineに基づくALI intervention overviewPublic symposium
- 第38回JCRミッドウィンターセミナー, Jan. 2025, Japanese元津 倫幸. セッション 8 IVR: IVRプランニング ー安全で確実な治療のために。病態・解剖を意識した出血に対する緊急IVR 第38回JCRミッドウィンターセミナー 2025年1月 熊本[Invited]Public discourse
- 第65回脈管学会総会, Oct. 2024, JapanesePre-emptive embolization どこまで詰めれば良い? エビデンスと臨床Tipsのアップデート[Invited]Public discourse
- 第74回関西 INTERVENTIONAL RADIOLOGY 研究会, Feb. 2024Hydrogel coilの特性を理解した塞栓術[Invited]Public discourse
- 第73回 関⻄IVR研究会, Jun. 2023緊急止血術! あなたならどうする? 塞栓物質の選択[Invited]
- 第19回研修医・医学生のための放射線科セミナー, Jun. 2023IVRの魅力を語る![Invited]
- 第52回日本IVR学会総会, May 2023PADに対するIVR: 膝下動脈病変における血行再建術のエビデンス[Invited]
- 第52回日本IVR学会総会 2023年5月 高知, May 2023PADに対するIVR: 大腿膝窩動脈病変に対するdrug-coated balloonの標準手技[Invited]
- Diagnosis, intervention, and prevention for endoleaks after EVAR, Oct. 2022Diagnosis, intervention, and prevention for endoleaks after EVAR[Invited]
- Asia Pacific Society Cardiovascular and interventional Radiology., Jun. 2022Welcome greet and introduction from the junior IR community(J-CIRCLE) in JAPAN[Invited]
- 第81回日本医学放射線学会総会, Apr. 2022Diagnosis, intervention, and prevention for endoleaks after EVAR and TEVAR[Invited]
- 第81回日本医学放射線学会総会, Apr. 2022Current practice to improve the long-term outcome of EVAR[Invited]
- The 49th Annual Meeting of the Japanese Society of Interventional Radiology, Aug. 2020, JapaneseUnder 40 meeting: Current status and future direction for young IVRist[Invited]Nominated symposium
■ Research Themes
- Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Kobe University, 01 Apr. 2022 - 31 Mar. 2026Magnetic resonance elastgraphy of abdominal aortic aneurysm健常人ボランティア複数人に対し、大動脈のMRエラストグラフィの撮像を行った。 肝のMRエラストグラフィと同様のパラメータで撮像を行うと、血管壁の弾性率の測定が不可能であり、肝より深部に血管が存在することや、周囲臓器との関係が原因と考えている。Amplitudeなどのパラメータの設定、あるいはpassive driverの位置を調整し、周囲臓器や骨などを避けて振動を与えるなどの工夫を行っているが、現時点で安定した撮像方法は確立できていない。 一方で、基礎実験のため、3Dプリンターを用いた大動脈血管モデルを作成した。上記にて撮像方法をある程度確立した後に、ステントグラフトを留置し、瘤腔に血栓を作成した血管モデルで実験を行う予定である。瘤腔の血栓については、凝固血液やヘパリン化した非凝固血液を使用する予定であり、これについてはin vitroでの検証は行っているが、実際の血管モデルでの作成には至っていない(撮像時に作成予定である)。
- 日本学術振興会, 科学研究費助成事業 基盤研究(C), 基盤研究(C), 神戸大学, 01 Apr. 2022 - 31 Mar. 2026深部臓器発生の悪性腫瘍に対する新規放射線増感療法としての飽和炭酸水動注療法の開発
- Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, Grant-in-Aid for Early-Career Scientists, Kobe University, 01 Apr. 2019 - 31 Mar. 2022重症虚血肢に対する低酸素環境の改善を目的とした新規炭酸ガス療法の開発