Explanipedia

Outcomes of Coronary Artery Bypass Grafting in Patients With ST-Elevation Myocardial Infarction and the Impact of Impella: A Retrospective Single-Center Study Open

Kazuyoshi Takagi, Takahiro Shojima, T. Kono, Yasuyuki Zaima, Kosuke Saku , et al. · 2025

Preoperative management using Impella support for acute aortic dissection with left coronary malperfusion: a case report Open

Takahiro Shojima, Kazuyoshi Takagi, Kosuke Saku, Tomofumi Fukuda, Eiki Tayama · 2024

Mitral valve repair using a semi-rigid posterior band: a 10-year Japanese single-center experience of 244 patients Open

Kazuyoshi Takagi, Koichi Arinaga, Tohru Takaseya, Hiroyuki Otsuka, Takahiro Shojima , et al. · 2024

The CGFB demonstrates satisfactory quality and durability in MVr for PMR. Other advantages include a low occurrence of SAM and acceptable hemodynamic outcomes, particularly in patients requiring a smaller annuloplasty device.

Cell Type-Specific Relationships Among Immune Cells in Human Aortic Dissection Tissue Open

Shinya Negoto, Hiroki Aoki, Koichi Ohshima, Eiji Nakamura, Takahiro Shojima , et al. · 2023

These findings indicate the existence of cell type-specific and site-specific interactions among immune cell types in human AD tissues.

A Case of Aortoesophageal Fistula in Advanced Esophageal Cancer Treated with SB-Tube and TEVAR Open

Shinya Negoto, Hiroyuki Otsuka, Tomoyuki Anegawa, Yasuyuki Zaima, Takanori Kono , et al. · 2023

症例は71歳の男性.切除不能食道癌に対して化学放射線療法(chemoradiotherapy: CRTx)施行後,経過観察中に突然の吐血を認めた.造影CTにて,下行大動脈から食道への造影剤の漏出を認め,大動脈食道瘻(aortoesophageal fistula: AEF)と診断し,緊急胸部大動脈ステントグラフト内挿術(thoracic endovascular aortic repair: TEVAR)を予定したが,手術準備中に大量吐血し心肺停止となった.心肺蘇生開始後,…

Neurosurgical Treatment of Patients with Posterior Fossa Acute Subdural Hematoma Right after Cardiac Surgery Open

Jin Kikuchi, Kimihiko Orito, Kiyohiko Sakata, Masafumi Yamamoto, Yu Hasegawa , et al. · 2022

As posterior fossa acute subdural hematoma (ASDH) right after cardiac surgery is extremely rare, the clinical course and optimal treatment strategy remain undetermined. We performed a retrospective analysis of patients with posterior fossa…

Intimo-Intimal Intussusception due to Stanford Type A Acute Aortic Dissection Presenting as Cerebral Infarction Open

Takanori Kono, Takahiro Shojima, Tomoyuki Anegawa, Hiroyuki Otsuka, Eiki Tayama · 2022

Complete circumferential dissection is a rare clinical presentation of aortic dissection, wherein the dissected flap has the potential to cause intimo-intimal intussusception, which can lead to several catastrophic complications. We report…

Review of Implantable Left Ventricular Assist Devices Open

Eiki Tayama, Kazuyoshi Takagi, Takahiro Shojima, Hiroyuki Otsuka, Tohru Takaseya , et al. · 2021

Mechanical circulatory support has been an indispensable treatment for severe heart failure. While the development of a total artificial heart has failed, left ventricular assist devices (LVAD) have evolved from extracorporeal to implantab…

Multimodal imaging of quadricuspid aortic valve in elderly patient Open

Akihiro Honda, Nobuhiro Tahara, Takahiro Shojima, Yoshihiro Fukumoto · 2021

Effective Management with IMPELLA CP<sup>®</sup> and Hypothermia Therapy for a Case of Severe Ischemic Coronary Disease after Cardiopulmonary Arrest Open

A Oryoji, Takanori Kono, Kazuyoshi Takagi, Kosuke Saku, Satoshi Kikusaki , et al. · 2021

症例は67歳の男性，仕事中に心肺停止（Cardiopulmonary arrest : CPA）となり当院に搬送された．心肺停止蘇生後，冠動脈造影検査にて3枝病変を認めた．冠血行再建の適応があると判断されたが，神経学的予後が不明のためIMPELLA CP®を留置した後に低体温療法を含めた全身管理を行った．24時間後に復温を開始し，従命可能で，四肢麻痺がないことを確認できたため準緊急でIMPELLA CP®使用下に心拍動下冠動脈バイパス術を施行した．吻合操作中，血行動態は安定…

Aortic Valve Stenosis with Black Pigmentation Due to Alkaptonuria: A Case Report Open

Takahiro Shojima, Yasuyuki Zaima, Kazuyoshi Takagi, Tohru Takaseya, Hiroyuki Otsuka , et al. · 2021

We report about a 78-year-old woman with severe aortic valve stenosis (AS). She had heavily calcified and thickened aortic valve leaflets with black pigmentation. After excision of the aortic valve leaflets, biological aortic valve replace…

Prevention of postoperative intrapericardial adhesion by dextrin hydrogel Open

Satoshi Kikusaki, Kazuyoshi Takagi, Takahiro Shojima, Kosuke Saku, Tomofumi Fukuda , et al. · 2021

Life-threatening huge right atrial diverticulum Open

Akihiro Honda, Takahiro Shojima, Nobuhiro Tahara, Kosuke Morita, Takaharu Nakayoshi , et al. · 2020

Pathological Role of Receptor for Advanced Glycation End Products in Calcified Aortic Valve Stenosis Open

Kosuke Saku, Nobuhiro Tahara, Tohru Takaseya, Hiroyuki Otsuka, Kazuyoshi Takagi , et al. · 2020

Background Aortic stenosis ( AS ) is highly prevalent in patients with atherosclerotic cardiovascular disease. Advanced glycation end products ( AGE s) and the receptor for AGE s ( RAGE ) play a pivotal role for vascular calcification in a…

Florida sleeve technique for a right sinus of Valsalva aneurysm: a case report Open

Kosuke Saku, Satoru Tobinaga, A Oryoji, Tomofumi Fukuda, Yasuyuki Zaima , et al. · 2019

We performed valve-sparing aortic root replacement with the Florida sleeve technique. It could reduce surgical risks and prevent a dilatation of the residual sinus of Valsalva through coverage with a graft for a long term.

STAT3 Activation Correlates with Adventitial Neutrophil Infiltration in Human Aortic Dissection Open

Shohei Yoshida, Mai Yamamoto, Hiroki Aoki, Hayato Fukuda, Koji Akasu , et al. · 2019

Objective: Aortic dissection (AD) is a fatal disease that is caused by the rapid destruction of the aortic wall. Although recent studies in animal models indicate an important relationship between inflammation and tissue destruction…

Surgical Outcome of Infective Aortic Valve Endocarditis Involving Valve Annulus. Comparison between Native Valve Endocarditis and Prosthetic Valve Endocarditis Open

Tomofumi Fukuda, Kazuyoshi Takagi, Koichi Arinaga, Tohru Takaseya, Takahiro Shojima , et al. · 2019

Objective: We investigated our surgical outcomes in patients with infective aortic valve endocarditis involving valve annulus and compared surgical results between native and prosthetic valve endocarditis. Methods: Between April 2003 and O…

Mitral Valve Dysfunction Caused by Pannus Overgrowth After Mitral Valve Repair Using Carpentier Edwards Physio Ring Open

A Oryoji, Kazuyoshi Takagi, Tomofumi Fukuda, Yasuyuki Zaima, Hiroyuki Saisho , et al. · 2019

Objective: Mitral valve stenosis after ring annuloplasty has been reported to be mostly caused by pannus formation from the annuloplasty ring. This reaction after insertion of the Duran annuloplasty ring has been observed frequently, but w…

Long-term Durability of the “Edge to Edge Technique” for Mitral Valve Repair Open

Kazuyoshi Takagi, Koichi Arinaga, Tohru Takaseya, Takahiro Shojima, Yasuyuki Zaima , et al. · 2019

Objective: The "Edge to Edge technique" (E to E) is a simple and feasible technique for repair of mitral regurgitation (MR). The durability is a major concern in "E to E". The aim of this study was to assess the long-term outcome and durab…

Activation of the AKT Pathway in the Ascending Aorta With Bicuspid Aortic Valve Open

Yuichiro Hirata, Hiroki Aoki, Takahiro Shojima, Kazuyoshi Takagi, Tohru Takaseya , et al. · 2018

The results showed that the RTK-AKT pathway in the medial layer of the ascending aorta is activated in aortae with BAV. Activation of this pathway may be associated with fragility and dilatation of the ascending aorta with BAV.

A Case of Massive Bleeding from Esophageal Varices during Off-pump Coronary Artery Bypass Surgery and Transcatheter Aortic Valve Implantation Open

Kosuke Saku, Tomohumi FUKUDA, Satoshi Kikusaki, Takahiro Shojima, Shinichi Hiromatsu , et al. · 2018

症例は83歳，男性．C型肝硬変に対して近医に通院中であり，3年前から中等度大動脈弁狭窄症（AS）を指摘されていた．労作時の息切れが出現し，精査の結果，重症ASおよび冠動脈狭窄症を認めた．Child pugh分類Grade Bの肝硬変合併症例であることから経カテーテル的大動脈弁植え込み術（TAVI）の適応とし，冠動脈狭窄症に対してオフポンプ冠動脈バイパス術（OPCAB）を同時に行う方針とした．冠動脈バイパス中に口腔内より大量の出血を認めた．術前の上部消化管内視鏡検査で食道静脈…

Characterization of SMAD2 Activation in Human Thoracic Aortic Aneurysm Open

Hayato Fukuda, Hiroki Aoki, Shohei Yoshida, Satoru Tobinaga, Hiroyuki Otsuka , et al. · 2018

Objective: Thoracic aortic aneurysm (TAA) reflects the local expansion of the thoracic aorta; the underlying causal molecular mechanism of TAA is not well understood. Recent studies have shown the importance of transforming growth f…

Popliteal Artery Adventitia Cyst Open

Shohei Yoshida, Shinichi Hiromatsu, Kentaro Sawada, Takahiro Shojima, Ryo Kanamoto , et al. · 2017

症例は60歳の男性で主訴は右下肢の200 m歩行での間歇性跛行であった．Ankle-brachial pressure index（ABI）は0.60と低下を認めたが，心血管疾患の危険因子や下肢の外傷の既往は認めなかった．右膝窩動脈以下の拍動触知は不能で，CT検査では右膝窩部に造影効果のない多房性の腫瘤があり，膝窩動脈が圧排されている所見を認めた．MRI検査ではT1強調像で低信号，T2強調像で高信号に描出される膝窩動脈を圧迫する嚢腫性病変を認めた．さらに下肢血管造影では右膝…

A Case of One-Stage Surgical Treatment for Chronic Mesenteric Ischemia Associated with Severe Aortic Valve Regurgitation and Stenosis Open

Ryo Kanamoto, Takahiro Shojima, Kanako Sakurai, Mau Amako, Hiroyuki Otsuka , et al. · 2017

重症大動脈弁閉鎖不全症兼狭窄症（severe ASR）に合併した慢性腸間膜動脈閉塞症（CMI）の1例を経験した．症例は76歳男性．40歳代よりASRを指摘されていたが，放置していた．1年前に維持透析が導入された．その頃より食後の腹痛があり，3年間で10 kgの体重減少を認めた．腹部症状の原因精査およびASRに対する心精査が行われた．C.I. 2.00 L/min/m2 の低心拍出量症候群（LOS）を呈するsevere ASRを認め，腹部血管造影で上腸間膜動脈（SMA）の完全…

Double Right Atrial Blood Cysts Open

Hiroyuki Otsuka, Kouichi Arinaga, Toshifumi Fukuda, Tohru Takaseya, Takahiro Shojima , et al. · 2016

A Suspected Case of Heyde Syndrome with Bleeding of the Small Intestine before Aortic Valve Replacement for Severe Aortic Valve Stenosis Open

Takanori Kono, Tohru Takaseya, Yuichiro Hirata, Kumiko Wada, Takahiro Shojima , et al. · 2015

ハイド症候群と思われる症例に対して大動脈弁置換術を施行し，良好な結果を得たので報告する．症例は74歳女性．60歳時にリウマチ性僧帽弁狭窄症に対して機械弁による僧帽弁置換術を施行し経過観察されていた．今回重症大動脈狭窄症に対して弁置換術を予定していたが，手術待機中に貧血の著明な進行（Hb : 9.3 g/dl→4.0 g/dl）を認めた．上部下部消化管内視鏡にて出血性病変がなかったため，カプセル内視鏡を施行したところ小腸に出血性のangiodysplasiaを認め，貧血の原因…

Takahiro Shojima YOU? Author Swipe