Explanipedia

Clinical characteristics and outcomes of surgery for renal artery aneurysms: analysis from a single institute in Japan Open

Yu Tadokoro, Katsuyuki Hoshina, Kazuhiro Miyahara, Mutsumi Kimura, Takuro Shirasu , et al. · 2025

Purpose We investigated the clinical characteristics of renal artery aneurysm (RAA) and the outcome of surgical intervention. Methods The subjects of this retrospective analysis were 105 patients who were admitted to our department between…

Preservation of the Internal Iliac Artery Bifurcation May Maintain Pelvic Arterial Volume after Endovascular Aneurysm Repair Open

K. Matsubara, Ryosuke Taniguchi, Mutsumi Kimura, Takuro Shirasu, Toshio Takayama , et al. · 2025

Recurrent Tumor in Colorectal Cancer Requiring Combined Resection of Iliac or Femoral Vessels: Report of Four Cases Open

Kentaro Abe, Hiroaki Nozawa, Katsuyuki Hoshina, Toshio Takayama, Kazuhito Sasaki , et al. · 2025

It is difficult to accurately evaluate whether a recurrent tumor from colorectal cancer directly invades vessels using preoperative imaging. However, the combined resection of recurrent tumor and vessels may be required to achieve R0 resec…

Development of a dry-lab vascular anastomosis training model using a surgical robot system Open

Takashi Endo, Toshio Takayama, Kazumasa Hanada, Mutsumi Kimura, Takuro Shirasu , et al. · 2025

Curative Resection of Locally Advanced Colon Cancer that Invading the Common Iliac Artery by Creating an Extra-Anatomical Arterial Bypass: A Case Report Open

Tatsuki Noguchi, Yosuke Fukunaga, Toshio Takayama, Takashi Sakamoto, Shimpei Matsui , et al. · 2025

This case demonstrates the potential of systemic chemotherapy followed by radical resection with extra-anatomical arterial bypass in achieving favorable long-term outcomes and satisfactory short-term results.

Trans-arterial omental flap protection for infected femoral artery aneurysm in a patient with Parkes-Weber syndrome Open

Natsumi Iijima, Ryosuke Taniguchi, Masaru Kimura, Takuro Shirasu, Toshio Takayama , et al. · 2024

We report a case of a 75-year-old man diagnosed with Parkes-Weber syndrome with an infected common femoral artery aneurysm secondary to chronic venous ulcers and groin infection. Given the symptomatic and rapid enlargement of the aneurysm,…

Prediction of Renal Function Decline After Endovascular Aortic Repair Using Three-Dimensional Image Analysis Open

K. Matsubara, Takuro Shirasu, Mutsumi Kimura, Ryosuke Taniguchi, Toshio Takayama , et al. · 2024

Validation of the Diagnostic Criteria for IgG4-Related Periaortitis/Periarteritis and Retroperitoneal Fibrosis (IgG4PA/RPF) 2018, and Proposal of a Revised 2023 Version for IgG4-Related Cardiovascular/Retroperitoneal Disease Open

Ichiro Mizushima, Noriyasu Morikage, Eisaku Ito, Fuminori Kasashima, Yasushi Matsumoto , et al. · 2024

Proposed 2023 revised IgG4-related cardiovascular/retroperitoneal disease criteria show significantly enhanced sensitivity while preserving high specificity, achieved through the inclusion of new items in radiologic, pathological, and extr…

Poor Limb Prognosis of Patients with Chronic Limb-Threatening Ischemia on Hemodialysis: A Retrospective Observational Study Based on the Global Limb Anatomic Staging System Open

Takashi Endo, Toshio Takayama, Kazuhiro Miyahara, Takuro Shirasu, Yasuaki Mochizuki , et al. · 2024

Patients with CLTI who were receiving HD had a worse limb prognosis than those not receiving, even when considering the same GLASS classification. Furthermore, there is a need for an ideal guideline focused on ESKD-directed peripheral arte…

Subacute Limb Ischemia Suspected from COVID-19-Related Arterial Thrombosis Presenting with Local Occlusion Site Tenderness Open

Kenshiroh Kawabe, Masamitsu Suhara, Ryosuke Taniguchi, Yasuaki Mochizuki, Toshio Takayama , et al. · 2024

A 59-year-old man was admitted to our hospital with severe popliteal fossa pain and mild left calf claudication. He had had an episode of pyrexia and dyspnea approximately 3 weeks prior. Contrast-enhanced computed tomography revealed acute…

Giant Coeliac Artery Aneurysm Treated with a Hybrid Approach: A Case Report Open

K. Matsubara, Ryosuke Taniguchi, Takuro Shirasu, Kazuhiro Miyahara, Yasuaki Mochizuki , et al. · 2023

A case of endovascular treatment for iatrogenic left vertebral artery injury due to central line catheter placement Open

Takashi Endo, Toshio Takayama, Masaru Kimura, Yasuaki Mochizuki, Ryosuke Taniguchi , et al. · 2023

Update of 2022 in Peripheral Arterial Disease Open

Toshio Takayama · 2023

Motion capture device reveals a quick learning curve in vascular anastomosis training Open

Shota Tsuyuki, Kazuhiro Miyahara, Katsuyuki Hoshina, Takuya Kawahara, Masamitsu Suhara , et al. · 2023

Purpose Surgical procedures are often evaluated subjectively, and an objective evaluation has been considered difficult to make and rarely reported, especially in open surgery, where the range of motion is wide. This study evaluated the ef…

A Summary of European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs: Japanese Translation by Japanese Society of Phlebology and Japanese Society for Vascular Surgery Open

Masayuki Hirokawa, Kunihiro Shigematsu, Makoto Mo, Nobuyoshi Azuma, Hiroko Kume , et al. · 2023

Area reduction of perforation with a small-size sheath technique for iatrogenic femoral artery pseudoaneurysm with a large perforation Open

Ryohei Maeno, Ryosuke Taniguchi, Masamitsu Suhara, Yasuaki Mochizuki, Toshio Takayama , et al. · 2023

Open surgery for femoral artery pseudoaneurysms is invasive, and complications can be detrimental. Several cases of treatment of iatrogenic femoral artery pseudoaneurysms using percutaneous suture-mediated closure devices have been reporte…

Table of contents Open

Matthew R. Smeds, Bernardo C. Mendes, Ann O'banion, Sherene Shalhub, Diego Vinnicyus , et al. · 2023

A case of popliteal artery rupture in an 11-year-old patient with vascular Ehlers-Danlos syndrome Open

Takashi Endo, Toshio Takayama, Masamitsu Suhara, Yasuaki Mochizuki, Ryosuke Taniguchi , et al. · 2023

Supplementary Material for: Impact of tumor shrinkage pattern with biweekly triplet gemcitabine+cisplatin+S-1 regimen for biliary tract cancers: Implications for neoadjuvant therapy from the data of KHBO1401 (KHBO1401-1A study) Open

Shogo Kobayashi, Hiroshi Wada, Daisuke Sakai, Baba H, Masashi Kanai , et al. · 2023

Background: The multicenter randomized phase III KHBO1401 study (gemcitabine+cisplatin+S-1 [GCS] versus GC in biliary tract cancers [BTC]) demonstrated that GCS not only prolonged patient survival but also achieved a high response rate and…

Criteria for Liver Resection for Metastasis from Bile Duct Cancer Open

Shintaro Yamazaki, Yukiyasu Okamura, Soichi Inagaki, Yusuke Mitsuka, Toshio Takayama · 2023

Risk Factors for Incisional Hernia After Open Abdominal Aortic Aneurysm Repair Open

Takashi Endo, Kazuhiro Miyahara, Takuro Shirasu, Yasuaki Mochizuki, Ryosuke Taniguchi , et al. · 2023

In addition to diabetes mellitus, abdominal aortic aneurysm is a significant risk factor for incisional hernia after abdominal aortic aneurysm repair. Therefore, employing the barbed suture technique may effectively prevent incisional hern…

Midterm outcomes of AFX2 endografts used in combination with aortic cuffs Open

Katsuyuki Hoshina, Masamitsu Suhara, Kazuhiro Miyahara, Yasuaki Mochizuki, Ryosuke Taniguchi , et al. · 2022

Midterm outcomes of the AFX2 used in combination with an aortic cuff were acceptable, considering the rates of types I and III endoleaks. However, there were cases of sideways displacement that could cause future type IIIa endoleaks. When …

Table of Contents Open

W Exelmans, L. Knaapen, Ljm Boonman-De Winter, P H W E Vriens, Trung Quang Vo , et al. · 2022

Popliteal artery aneurysm in a 14-year-old boy with tuberous sclerosis complex Open

Ryohei Maeno, Toshihiko Isaji, Toshio Takayama, Katsuyuki Hoshina · 2022

Tuberous sclerosis complex (TSC) is rarely associated with aneurysms. We have described a patient with a popliteal artery aneurysm that was associated with TSC and occlusion of the right posterior tibial artery. The patient underwent aneur…

Volumetric computed tomography analysis for gastroduodenal and pancreaticoduodenal artery aneurysm formation Open

Ryohei Maeno, Katsuyuki Hoshina, Kazuhiro Miyahara, Masamitsu Suhara, Mitsuru Matsukura , et al. · 2022

Gastroduodenal artery aneurysms (GDAA) and pancreaticoduodenal artery aneurysms (PDAA) are rare, have high rupture risks, and are located in the arcade between the celiac artery and the superior mesenteric artery. Pancreaticoduodenal arter…

Motion analysis of suturing technique with Leap Motion Controller<sup>TM</sup>. Proof-of-concept Open

Shota Tsuyuki, Katsuyuki Hoshina, Kazuhiro Miyahara, Masamitsu Suhara, Mitsuru Matsukura , et al. · 2022

Purpose Leap Motion Controller is a device that can capture hand gestures and reproduce these as data comprising several parametric elements. We analyzed surgical suture motion using this device and investigated the optical methodology for…

Specific Features of Patients Under 40 Years Old With Small-to-Medium-Sized Arterial Deterioration Open

K. Matsubara, N Fukuhara, Katsuyuki Hoshina, Kazuhiro Miyahara, Masamitsu Suhara , et al. · 2022

Background Arterial deterioration is mostly caused by atherosclerosis, which progresses with age. However, we have observed serious backgrounds or etiologies in younger patients with non-atherosclerotic diseases and deterioration of small-…

Sac enlargement due to perigraft seroma and back-bleeding from the remnant wall 11 years after open surgical repair of an infected abdominal aortic aneurysm Open

Kazumasa Hanada, Katsuyuki Hoshina, Masamitsu Suhara, Ryosuke Taniguchi, Mitsuru Matsukura , et al. · 2022

We describe a case of sac enlargement that occurred 11 years after emergent open surgical repair of an infected abdominal aortic aneurysm. The diameter of the sac covering the Dacron graft had gradually expanded to 80 mm, and the flow of c…

Ten-Hour Simulation Training Improved the Suturing Performance of Medical Students Open

Kazumasa Hanada, Katsuyuki Hoshina, Shota Tsuyuki, Kazuhiro Miyahara, Masamitsu Suhara , et al. · 2022

Ten-hour training improved all factors, including bite, pitch, skewness, and time. Our simple and inexpensive training system and web application for calculating anastomosis scores can be a useful open educational resource.

Haemosuccus Pancreaticus Caused by Splenic Artery Aneurysm Derived from Isolated Spontaneous Coeliac Artery Dissection: Two Case Reports Open

K. Matsubara, Mitsuru Matsukura, Toshio Takayama, Katsuyuki Hoshina, Hideyuki Kanemoto · 2022

Toshio Takayama YOU? Author Swipe