Authors: Ryo Okubo
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Journal Article

Bentall procedure for giant unruptured right sinus of Valsalva aneurysm treated

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Jeonga Lee, Ryohei Ushioda, Hidenobu Akamatsu, Tasuku Kawarabayashi, Akito Inoue, Kaname Shimizu, Kentaro Shirakura, Yuki Setogawa, Ryo Okubo, Hiroyuki Miyamoto, Aina Hirofuji, Daisuke Takeyoshi, Shogo Takahashi, Shingo Kunioka, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2026, Issue 1, January 2026, rjag038, https://doi.org/10.1093/jscr/rjag038
Published: 30 January 2026
Journal Article

Total venous coronary artery bypass grafting for acute myocardial infarction with Leriche syndrome and porcelain aorta: a case report

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Hideki Isa, Kentaro Shirakura, Tasuku Kawarabayashi, Hidenobu Akamatsu, Koji Kagawa, Kazuki Miyatani, Nobuhiro Mochizuki, Fumitaka Suzuki, Ryohei Ushioda, Ryo Okubo, Aina Hirofuji, Shingo Kunioka, Masahiro Tsutsui, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2026, Issue 1, January 2026, rjaf1102, https://doi.org/10.1093/jscr/rjaf1102
Published: 20 January 2026
Journal Article

Successful double valve replacement with extensive annular enlargement using the Commando procedure in a patient with small aortic and mitral annuli after previous double valve surgery

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Akito Inoue, Daisuke Takeyoshi, Hidenobu Akamatsu, Tasuku Kawarabayashi, Jeonga Lee, Jun Maruoka, Kentaro Shirakura, Yuki Setogawa, Ryo Okubo, Hiroyuki Miyamoto, Ryohei Ushioda, Aina Hirofuji, Shogo Takahashi, Shingo Kunioka, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2026, Issue 1, January 2026, rjaf1025, https://doi.org/10.1093/jscr/rjaf1025
Published: 02 January 2026
Journal Article

Early structural valve deterioration of a pulmonary position Inspiris Resilia valve requiring redo pulmonary and tricuspid valve replacement

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Akito Inoue, Ryohei Ushioda, Hidenobu Akamatsu, Tasuku Kawarabayashi, Jeonga Lee, Jun Maruoka, Kentaro Shirakura, Yuki Setogawa, Ryo Okubo, Hiroyuki Miyamoto, Aina Hirofuji, Shogo Takahashi, Daisuke Takeyoshi, Shingo Kunioka, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2025, Issue 11, November 2025, rjaf898, https://doi.org/10.1093/jscr/rjaf898
Published: 12 November 2025
Journal Article

Successful limb salvage in acute type A aortic dissection with bilateral lower limb malperfusion by early cardiopulmonary bypass reperfusion and total arch replacement with frozen elephant trunk

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Hidenobu Akamatsu, Daisuke Takeyoshi, Tasuku Kawarabayashi, Akito Inoue, Jeonga Lee, Jun Maruoka, Yuki Setogawa, Ryohei Ushioda, Ryo Okubo, Hiroyuki Miyamoto, Shougo Takahashi, Shingo Kunioka, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2025, Issue 10, October 2025, rjaf837, https://doi.org/10.1093/jscr/rjaf837
Published: 17 October 2025
Journal Article

Minimally invasive mitral valve replacement for posterior leaflet tear following transcatheter edge-to-edge repair using the MitraClip system: a case report

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Hikaru Miyazaki, Ryohei Ushioda, Hidenobu Akamatsu, Tasuku Kawarabayashi, Akito Inoue, Jeonga Lee, Jun Maruoka, Yuki Setogawa, Ryo Okubo, Hiroyuki Miyamoto, Shougo Takahashi, Daisuke Takeyoshi, Shingo Kunioka, Yuya Kitani, Naoko Kawabata, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2025, Issue 7, July 2025, rjaf591, https://doi.org/10.1093/jscr/rjaf591
Published: 01 August 2025
Journal Article

A case of left main coronary artery to pulmonary fistula associated with vasospastic angina

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Kentaro Shirakura, Shougo Takahashi, Kaname Shimizu, Jun Maruoka, Yuki Setogawa, Ryo Okubo, Hiroyuki Miyamoto, Ryohei Ushioda, Daisuke Takeyoshi, Shingo Kunioka, Masahiro Tsutsui, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2025, Issue 4, April 2025, rjaf173, https://doi.org/10.1093/jscr/rjaf173
Published: 05 April 2025
Journal Article

Successful surgical repair of a huge left ventricular pseudoaneurysm after repair of left ventricular rupture during mitral valve replacement

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Kyoka Hayashi, Ryohei Ushioda, Jun Maruoka, Kaname Shimizu, Kentaro Shirakura, Nobuhiro Mochizuki, Yuki Setogawa, Ryo Okubo, Miyamoto Hiroyuki, Shougo Takahashi, Shingo Kunioka, Masahiro Tsutsui, Kamiya Hiroyuki
Journal of Surgical Case Reports, Volume 2024, Issue 10, October 2024, rjae636, https://doi.org/10.1093/jscr/rjae636
Published: 07 October 2024
Journal Article

A case of minimum invasive debranch thoracic endovascular aortic repair for isolated left vertebral artery: complete revascularization without artificial vessels via a single small incision

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Masahiro Tsutsui, Kazuki Miyatani, Kentaro Shirakura, Yuki Setogawa, Fumitaka Suzuki, Hiroyuki Miyamoto, Ryo Okubo, Ryohei Ushioda, Shingo Kunioka, Natsuya Ishikawa, Norihumi Otani, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2024, Issue 10, October 2024, rjae595, https://doi.org/10.1093/jscr/rjae595
Published: 05 October 2024
Journal Article

Fulminant respiratory failure due to severe pneumothorax after re-do coronary artery bypass grafting treated with veno-venous extracorporeal membrane oxygenation

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Akito Inoue, Ryohei Ushioda, Kazuki Miyatani, Kentaro Shirakura, Nobuhiro Mochizuki, Hideki Isa, Yuki Setogawa, Masahiko Narita, Fumitaka Suzuki, Aina Hirofuji, Ryo Okubo, Shingo Kunioka, Masahiro Tsutsui, Kamiya Hiroyuki
Journal of Surgical Case Reports, Volume 2024, Issue 5, May 2024, rjae360, https://doi.org/10.1093/jscr/rjae360
Published: 29 May 2024
Journal Article

A case of non-bacterial thrombotic endocarditis on the aortic valve following coronary angiography

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Nobuhiro Motiduki, Ryohei Ushioda, Sayaka Yuzawa, Kazuki Miyatani, Hideki Isa, Yuki Setogawa, Kohei Ishidou, Masahiko Narita, Fumitaka Suzuki, Aina Hirofuji, Ryo Okubo, Shingo Kunioka, Masahiro Tsutsui, Natsuya Ishikawa, Kamiya Hiroyuki
Journal of Surgical Case Reports, Volume 2024, Issue 4, April 2024, rjae212, https://doi.org/10.1093/jscr/rjae212
Published: 02 April 2024
Journal Article

Successful surgical correction of an incomplete atrioventricular septal defect in a 76-year-old female patient

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Kentaro Shirakura, Nobuyuki Akasaka, Daichi Mizushima, Masahiko Narita, Ryo Okubo, Tomoki Nakatsu, Daita Kobayashi, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2024, Issue 3, March 2024, rjae187, https://doi.org/10.1093/jscr/rjae187
Published: 27 March 2024
Journal Article

Two-stage repair for DeBakey type II acute aortic dissection and distal aortic arch aneurysm in a nonagenarian patient

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Kentaro Shirakura, Shingo Kunioka, Kazuki Miyatani, Nobuhiro Mochizuki, Hideki Isa, Yuki Setogawa, Fumitaka Suzuki, Ryo Okubo, Ryohei Ushioda, Aina Hirofuji, Masahiro Tsutsui, Natsuya Ishikawa, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2023, Issue 12, December 2023, rjad648, https://doi.org/10.1093/jscr/rjad648
Published: 05 December 2023
Journal Article

A word of caution: bilateral axillofemoral bypass could not provide sufficient blood flow in a patient who underwent aortic resection for aortoesophageal fistula: a case report

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Ryo Okubo, Tomonori Shirasaka, Keisuke Shibagaki, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2021, Issue 10, October 2021, rjab356, https://doi.org/10.1093/jscr/rjab356
Published: 25 October 2021
Journal Article

Simultaneous aortic and pulmonary valve replacement in a young patient after intracardiac repair for tetralogy of Fallot: mechanical or biological valve? A case report

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Ryo Okubo, Fumiaki Kimura, Hideyuki Harada, Daita Kobayashi, Tomonori Shirasaka, Hiroyuki Kamiya
Journal of Surgical Case Reports, Volume 2021, Issue 5, May 2021, rjab170, https://doi.org/10.1093/jscr/rjab170
Published: 17 May 2021