{"title":"High Deep Femoral Artery Bifurcation Can Disturb Safe Femoral Venous Access: CT Assessment in Patients Who Underwent Femoral Venous Access Under Doppler Ultrasound Guidance.","authors":"Satoru Morita, Takahiro Yamamoto, Kumi Kamoshida, Hiroshi Yamazaki, Midori Yatabe, Atsuhiro Ichihara, Shuji Sakai","doi":"10.22575/interventionalradiology.2021-0001","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2021-0001","url":null,"abstract":"<p><strong>Purpose: </strong>To retrospectively evaluate the variations of deep femoral artery (DFA) bifurcation on computed tomography (CT) and technical success in femoral venous access.</p><p><strong>Materials and methods: </strong>CT images of 353 patients who underwent adrenal venous sampling were evaluated. Height with relation to the inferior border of the femoral head and direction of DFA bifurcations were classified as follows: type L, low bifurcation; type H1, high lateral bifurcation; type H2, high posterior to posterolateral bifurcation; type H3, high posteromedial bifurcation; and type H4, high medial bifurcation crossing in front of the femoral vein. Technical success and complications during femoral venous access were also evaluated.</p><p><strong>Results: </strong>The frequencies of types L, H1, H2, H3, and H4 were 82.7%, 9.1%, 6.9%, 0.4%, and 0.9%, respectively. In 92.2% of type H1 and 69.4% of type H2, the superior femoral artery displaced medially by the high DFA partially overlapped the femoral vein. Upon the inclusions of H3 and H4, in 14.4% of cases, the high DFAs could obstruct the access route to the femoral vein. Using Doppler ultrasound guidance, no significant differences were observed in the rates of success for puncture in the first attempt (84.5% vs. 75.4%, p = 0.122) and accidental arterial puncture (1.0% vs. 0%, p = 1.00) between low and high DFA bifurcations, respectively.</p><p><strong>Conclusions: </strong>High DFA bifurcation is observed in 17.3% of patients and could obstruct the access route to the femoral vein. This can be evaluated using Doppler ultrasound guidance to avoid accidental arterial puncture during femoral venous access.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 2","pages":"29-36"},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3b/f7/2432-0935-6-2-0029.PMC9327428.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40660235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Safety and Efficacy of Percutaneous Vertebroplasty for Osteoporotic Vertebral Compression Fractures: A Multicenter Retrospective Study in Japan.","authors":"Nobuo Kobayashi, Tomoyuki Noguchi, Daiki Kobayashi, Hiroya Saito, Keiji Shimoyama, Tsuyoshi Tajima, Sho Sosogi, Kiyokazu Kobayashi, Yoshitaka Shida, Terumitsu Hasebe, Yuji Numaguchi","doi":"10.22575/interventionalradiology.2020-0032","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0032","url":null,"abstract":"<p><strong>Purpose: </strong>Bone cement enhancement by percutaneous vertebroplasty (PVP) for the treatment of osteoporotic vertebral compression fractures remains unapproved, as it has not been fully evaluated in Japan. The current multicenter study was conducted in Japan to verify the safety and efficacy of PVP in patients with painful osteoporotic vertebral fractures.</p><p><strong>Material and methods: </strong>In this retrospective study, we referred to previous studies to evaluate the non-inferiority of PVP to balloon kyphoplasty (BKP). We reviewed consecutive patient data from April 2017 to March 2018 from four institutions based on the medical records of the intervention. We statistically investigated the adverse events due to cement leakage or other factors associated with PVP, and new vertebral compression fractures after PVP were evaluated for safety, pain relief, and gait improvement.</p><p><strong>Results: </strong>This study included 485 patients; most of whom were in the middle- to oldest- age groups (mean age, 81.4 years). No serious adverse events were reported in patients available for safety evaluation (n = 485). Cement leakage and new vertebral compression fractures occurred in 35.7% and 18.6% (26.2%-38.4% and 8.9%-20.7%) of the patients undergoing PVP, respectively, both of which were also judged to be equivalent to those of BKP. The pain score improved in those undergoing PVP, and this improvement was maintained during a one-year follow-up. Of the 206 patients who had difficulty walking at baseline, 156 had restored walking at discharge.</p><p><strong>Conclusions: </strong>PVP was shown to be a safe and effective treatment, even in elderly patients with painful osteoporotic vertebral fractures.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 2","pages":"21-28"},"PeriodicalIF":0.0,"publicationDate":"2021-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/11/9c/2432-0935-6-2-0021.PMC9327382.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40658118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Supraduodenal and Right Gastric Arteries Originating from A Common Trunk: A Rare Anatomical Variant.","authors":"Noriaki Wada, Koji Yamashita, Seitaro Shin, Shino Harada, Kiyomi Furuya, Hajime Imamura, Yuko Takami, Tomoyuki Noguchi","doi":"10.22575/interventionalradiology.2020-0035","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0035","url":null,"abstract":"<p><p>Knowledge of the anatomic variations of the supraduodenal artery (SDA) and right gastric artery (RGA) is necessary to reduce the procedure time and radiation exposure dose, as well as to avoid unexpected complications of catheter placement before hepatic arterial infusion chemotherapy. The SDA and RGA most commonly arise from the gastroduodenal artery (GDA) and the proper hepatic artery, respectively; however, they can branch from the left hepatic artery (LHA). In addition, the SDA frequently anastomoses with the RGA and occasionally with the GDA. We observed a rare anatomic variant of SDA and RGA originating from the LHA as a common trunk. The patient also had a variant of SDA communicating with the GDA. It is important for interventional radiologists to be aware of these variations.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 2","pages":"51-54"},"PeriodicalIF":0.0,"publicationDate":"2021-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/22/5e/2432-0935-6-2-0051.PMC9327299.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40658119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Percutaneous Image-guided Needle Biopsy of Musculoskeletal Tumors: Technical Tips.","authors":"Takaaki Hasegawa, Shohei Chatani, Yozo Sato, Shinichi Murata, Hidekazu Yamaura, Ryota Tsukii, Terutaka Yoshihara, Masanori Machida, Kyohei Nagasawa, Yoshitaka Inaba","doi":"10.22575/interventionalradiology.2020-0030","DOIUrl":"10.22575/interventionalradiology.2020-0030","url":null,"abstract":"<p><p>With recent advances in imaging technology, the frequency of detecting musculoskeletal lesions has also increased. Percutaneous image-guided needle biopsy is occasionally required for the diagnosis of such lesions. Moreover, in the era of personalized cancer care, chances in histopathological diagnosis and the importance of histopathological diagnosis by percutaneous needle biopsy are increasing. However, as percutaneous needle biopsy is not a common procedure for musculoskeletal lesions, careful planning and the application of adequate techniques such as hydrodissection and the trans-osseous approach are occasionally required. In this review, we have summarized the indications and techniques for percutaneous image-guided needle biopsy for musculoskeletal lesions, including lymphatic lesions.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 3","pages":"75-82"},"PeriodicalIF":0.0,"publicationDate":"2021-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/45/2e/2432-0935-6-3-0075.PMC9327433.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40591400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Toshihiro Iguchi, Yusuke Matsui, Koji Tomita, Mayu Uka, Toshiyuki Komaki, Soichiro Kajita, Noriyuki Umakoshi, Kazuaki Munetomo, Hideo Gobara, Susumu Kanazawa
{"title":"Computed Tomography-guided Core Needle Biopsy for Renal Tumors: A Review.","authors":"Toshihiro Iguchi, Yusuke Matsui, Koji Tomita, Mayu Uka, Toshiyuki Komaki, Soichiro Kajita, Noriyuki Umakoshi, Kazuaki Munetomo, Hideo Gobara, Susumu Kanazawa","doi":"10.22575/interventionalradiology.2020-0019","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0019","url":null,"abstract":"<p><p>Small renal tumors are sometimes challenging to diagnose accurately through imaging alone, and image-guided biopsies are performed when histological diagnoses are needed. Although ultrasound guidance is usually chosen for renal tumor biopsies, computed tomography guidance is preferred for selected cases; e.g., obese patients or when the target is undetectable by ultrasound (as those in the upper pole). In the 14 recently published studies covering ≥50 procedures, computed tomography-guided renal tumor biopsies had a wide range diagnostic yield (67.4%-97.4%). Complications often occurred; however, most were minor and asymptomatic. No biopsy-related deaths and tumor seeding occurred. This study aimed to review the advantages and disadvantages, procedure techniques, diagnostic yields, and complications of core needle biopsies for renal tumors under computed tomography guidance.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 3","pages":"69-74"},"PeriodicalIF":0.0,"publicationDate":"2021-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/51/5f/2432-0935-6-3-0069.PMC9327301.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40591405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Local Efficacy and Safety of Transarterial Chemoembolization for Hepatocellular Carcinoma: Epirubicin-Loaded DC Beads vs. Epirubicin-Lipiodol Emulsion with Gelatin Sponge (cTACE).","authors":"Yusuke Ono, Keigo Osuga, Keisuke Nagai, Hidenari Hongyo, Yasushi Kimura, Kaisyu Tanaka, Hiroki Higashihara, Noriyuki Tomiyama","doi":"10.22575/interventionalradiology.2020-0025","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0025","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the efficacy and safety between epirubicin-loaded DC Beads (DCB-TACE) and conventional TACE (cTACE) used in transarterial chemoembolization (TACE) for hepatocellular carcinoma (HCC).</p><p><strong>Materials and methods: </strong>This retrospective study enrolled 64 patients (mean age, 73.3 years; 44 men, 20 women) who underwent initial DCB-TACE between 2014 and 2015, and 66 patients (mean age, 71.3 years; 38 men, 28 women) who underwent initial cTACE between 2011 and 2013 as historical controls. Treatment effects on the target lesions at 3 months after TACE, the period until re-treatment of the target lesion, and adverse events after TACE were compared between the groups. Univariate and multivariate analyses were also performed to estimate the factors influencing the treatment effects.</p><p><strong>Results: </strong>Based on the Response Evaluation Criteria in Cancer of the Liver version 2015, treatment response of the target lesions equivalent to a complete response and termed as TE4, was 51.0% (53/104) in the DCB-TACE group and 74.4% (64/86) in the cTACE group (p<0.001). Multivariate analysis revealed that the TACE procedure, Child-Pugh score, serum aspartate aminotransferase (AST) level, alpha fetoprotein level, and tumor size were independent significant predictors of TE4. The frequencies of elevated serum AST and alanine transaminase levels after TACE were significantly lower in patients in the DCB-TACE group (p<0.001 each). No significant difference in biliary/liver damage was evident between the groups.</p><p><strong>Conclusion: </strong>The local efficacy of cTACE was higher than that of DCB-TACE. Adverse events were milder after DCB-TACE than after cTACE.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 1","pages":"14-20"},"PeriodicalIF":0.0,"publicationDate":"2021-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/da/5b/2432-0935-6-1-0014.PMC9327354.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40573425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cerebral Embolism as a Rare Complication of Balloon-Occluded Retrograde Transvenous Obliteration for Gastric Varices: A Case Report.","authors":"Shiro Miyayama, Masashi Yamashiro, Rie Ikeda, Junichi Matsumoto, Nobuhiko Ogawa, Naoko Sakuragawa, Teruyuki Ueda","doi":"10.22575/interventionalradiology.2020-0024","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0024","url":null,"abstract":"<p><p>We report a case of cerebral embolism caused by balloon-occluded retrograde transvenous obliteration (BRTO) for gastric varices in a 77-year-old woman with liver cirrhosis. Balloon-occluded retrograde venography demonstrated multiple collaterals between the efferent and systemic veins, and some of them could not be embolized with metallic coils. Therefore, they were embolized with ethanol, 50% glucose solution, gelatin sponge particles, and ethanolamine oleate, and BRTO was completed. After BRTO, however, the patient complained of mild aphagia and paralysis of the right fingers, and magnetic resonance imaging demonstrated cerebral embolism. The symptoms gradually improved after the administration of ozagrel sodium and rehabilitation. The varices were also completely thrombosed. Patent foramen ovale was suspected as a cause of cerebral embolism.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 1","pages":"9-13"},"PeriodicalIF":0.0,"publicationDate":"2021-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/cf/75/2432-0935-6-1-0009.PMC9327304.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40573427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Transcatheter Arterial Embolization Using Cone-beam Computed Tomography during Angiography and Automated Vessel Detection Software for Obscure Colonic Diverticular Hemorrhage after Unsuccessful Endoscopic Clipping: A Report of Two Cases.","authors":"Seiji Kamei, Takahiro Yamamoto, Hiroaki Okada, Yuki Kinbara, Kyohei Takahata, Yoshimi Horikawa, Kuniya Yamada, Yukiya Kitajima, Tesuya Hattori, Kojiro Suzuki","doi":"10.22575/interventionalradiology.2020-0017","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0017","url":null,"abstract":"<p><p>We report the usefulness of cone-beam computed tomography angiography (CBCTA) and automated vessel detection (AVD) software in transcatheter arterial embolization in two cases of obscure ascending colonic diverticular hemorrhage after unsuccessful endoscopic clipping. Arteriography of the superior mesenteric artery demonstrated no active bleeding. Considering the positional relationship of the clips, we could narrow the responsible vessel down to two candidates but could not definitively identify the responsible vessel. We performed CBCTA at the marginal artery of the right colic artery, and the responsible branch was identified using AVD. The responsible vessel could be embolized, and hemostasis was achieved with no ischemic complications. CBCTA and AVD software for colonic diverticular hemorrhage after endoscopic clipping were useful for identifying the responsible vessel and in performing selective embolization.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 1","pages":"4-8"},"PeriodicalIF":0.0,"publicationDate":"2021-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/97/a3/2432-0935-6-1-0004.PMC9327412.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40573426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Transcatheter Arterial Embolization of a Gluteal Pseudoaneurysm Due to Ground-Level Fall in an Elderly Woman Taking Apixaban.","authors":"Rakuhei Nakama, Takashi Kadoya, Takuya Kimura, Kazukiyo Arakawa, Takayuki Ogura, Kenichi Kase","doi":"10.22575/interventionalradiology.2020-0012","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2020-0012","url":null,"abstract":"<p><p>A 90-year-old woman prescribed with apixaban was admitted to a hospital after a ground-level fall. She was transferred to our hospital for advanced evaluation and treatment. Contrast-enhanced computed tomography showed a pseudoaneurysm inside the right gluteus maximus muscle. Angiography revealed an aneurysm of the peripheral branch of the inferior gluteal artery and multiple slight pseudoaneurysms of the peripheral branch of the internal iliac artery. We performed transcatheter arterial embolization using a gelatin sponge. After embolization, the hemoglobin stabilized. She was transferred to another hospital for rehabilitation. The use of direct oral anticoagulants in the elderly can lead to significant hemorrhage with minimal trauma. Transcatheter arterial embolization is a minimally invasive and safe procedure for such cases of trauma.</p>","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"6 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2021-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fe/bd/2432-0935-6-1-0001.PMC9327326.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40573428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Miyayama, M. Yamashiro, Natsuki Sugimori, R. Ikeda, T. Ishida, Naoko Sakuragawa, Y. Kamikawa, Tamayo Kato, Y. Ushiogi
{"title":"Transarterial Interventional Therapy for Non-functioning Hemodialysis Access","authors":"S. Miyayama, M. Yamashiro, Natsuki Sugimori, R. Ikeda, T. Ishida, Naoko Sakuragawa, Y. Kamikawa, Tamayo Kato, Y. Ushiogi","doi":"10.22575/interventionalradiology.2019-0013","DOIUrl":"https://doi.org/10.22575/interventionalradiology.2019-0013","url":null,"abstract":"Transarterial vascular access interventional therapy (VAIVT) for non-functioning hemodialysis access has advantages over the venous approach because natural venous outflow through the fistula as well as the stump at the fistula site in total occlusion can be observed, and most strictures and/or occlusions can be treated via one access route. The brachial arterial approach is essential, but the radial arterial approach at the wrist is also necessary for certain patients. The transarterial approach can be applied to all VAIVTs; however, additional venous access is necessary in cases requiring a large device and those with unsuccessful traversal of the occluded segment via the arterial route. The high origin of the radial artery is a disadvantage of the transbrachial approach, and local hematomas are the most frequent complications.","PeriodicalId":73503,"journal":{"name":"Interventional radiology (Higashimatsuyama-shi (Japan)","volume":"5 1","pages":"150 - 163"},"PeriodicalIF":0.0,"publicationDate":"2020-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43563959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}