Ayaka Arihara

Progress and Future Perspectives of the U-40 Basic Lecture Course Hands-on Seminar in the Post-COVID-19 Era: Experience from the Hokkaido Branch

Hiroki Uchiyama, Masato Fusegawa, Takamitsu Tatsukawa, Ayaka Arihara et autres

本学会U-40における支部単位の主要活動として，Basic Lecture Courseハンズオンセミナーが開催されてきた．しかし，新型コロナウイルス感染症の流行に伴い，長期間にわたり対面開催が不可能となった．2022年より段階的に再開され，2025年からは各支部開催体制に移行したものの，コロナ禍を経た開催においては多くの課題が明らかとなった．北海道支部では2024年7月および2025年8月にハンズオンセミナーを実施した．本報告では，これら2回の概要と運営経過，参加者アンケート結果を示し，今後のハンズオンセミナー運営に向けた課題と展望について検討する．

Left atrial appendage blood flow analysis using four-dimensional flow magnetic resonance imaging

Akihito Ohkawa, Tomohiro Nakajima, Shingo Tsushima, Itaru Hosaka et autres

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Superiority of antegrade cardioplegia over continuous hypothermic retrograde cardioplegia in myocardial protection during isolated aortic valve replacement

Junji Nakazawa, Yutaka Iba, Tomohiro Nakajima, Tsuyoshi Shibata et autres

Objectives: The efficacy of antegrade cardioplegia delivery (ACD) versus retrograde cardioplegia delivery remains controversial. This study aimed to compare the efficacy of intermittent and isothermic ACD (IIACD) with continuous and hypothermic retrograde cardioplegia delivery (CHRCD) in patients undergoing isolated aortic valve replacement …

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Effects of Intercostal Nerve Cryoablation on Pain Control and Pulmonary Recovery after Open Aortic Repair via Left Thoracotomy

Junji Nakazawa, Yutaka Iba, Tomohiro Nakajima, Tsuyoshi Shibata et autres

PURPOSE: The aim of this study was to evaluate the impact of intercostal nerve cryoablation on postoperative pain, opioid usage, and lung expansion after open aortic repair via left thoracotomy. METHODS: This retrospective study included 62 patients who underwent aortic repair via …

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Initial Outcomes of Physician-Modified Inner-Branched Endovascular Repair for Distal Aortic Arch Aneurysm

Shingo Tsushima, Tsuyoshi Shibata, Yutaka Iba, Tomohiro Nakajima et autres

Background/Objectives: Few clinical studies have reported on physician-modified inner-branched endovascular repair (PMiBEVAR) for aortic arch aneurysm. Herein, we evaluate the outcomes of proximal landing zone 2 PMiBEVAR. Methods: This retrospective study analyzed data from six patients who underwent zone 2 PMiBEVAR for …

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Initial Outcomes of Physician-Modified Inner-Branched Endovascular Repair for Distal Aortic Arch Aneurysm

Shingo Tsushima, Tsuyoshi Shibata, Yutaka Iba, Tomohiro Nakajima et autres

Background/Objectives: Although acceptable initial outcomes after physician-modified inner-branched endovascular repair (PMiBEVAR) for thoracoabdominal aortic aneurysm have been reported, few clinical studies have reported on PMiBEVAR for aortic arch aneurysm. Herein, we evaluate the initial outcomes of six cases of proximal landing zone …

Virtual Reality Simulation for Minimally Invasive Coronary Artery Bypass Grafting With Aortic No-Touch Total Arterial Grafting Technique

Kazutoshi Tachibana, Keita Kikuchi, Maki Sugimoto, Koichi Osuda et autres

OBJECTIVE: Virtual reality can be applied preoperatively by surgeons to gain precise insights into a patient's anatomy for planning minimally invasive coronary artery bypass grafting (CABG) with in situ arterial grafts. This study aimed to examine virtual reality simulation for minimally invasive …

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Minimally invasive coronary artery bypass grafting with ultrasonically skeletonized internal thoracic artery

Kazutoshi Tachibana, Keita Kikuchi, Kouhei Narayama, Akihito Okawa et autres

Objective: This study aimed to examine the feasibility and safety of minimally invasive cardiac surgery coronary artery bypass grafting using an ultrasonically skeletonized internal thoracic artery in the authors' initial experience. Methods: From February 2012 to May 2021, 247 consecutive patients who …

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