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Affiliation |
Hospital Cardio-Vascular Surgery |
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Date of Birth |
1989 |
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Homepage URL |
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Mail Address |
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KIRYU Kentaro
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Graduating School 【 display / non-display 】
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-2008.04
Akita University Faculty of Medicine Graduated
Graduate School 【 display / non-display 】
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2016.04-2021.03
Akita University Graduate School, Division of Medicine Doctor's Course Completed
Campus Career 【 display / non-display 】
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2022.05-Now
Akita University Hospital Cardio-Vascular Surgery Assistant Professor
Thesis for a degree 【 display / non-display 】
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Risk factors for spinal cord ischemia in frozen elephant trunk-induced upper spinal cord ischemia in patients with combination of degenerative arch aneurysms and peripheral artery diseases: a possible mechanism
Kentaro Kiryu, Hiroshi Yamamoto, Takayuki Kadohama, Daichi Takagi, Yoshinori Itagaki, Takuya Wada, Itaru Igarashi
The Cardiothoracic Surgeon 29 ( 22 ) 1 - 7 2021.03 [Refereed]
Domestic Co-author
Research Achievements 【 display / non-display 】
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Subvalvular tissue mimicking valve detachment-like pathology by vertical aneurysm in Takayasu’s arteritis
Kentaro Kiryu, Itaru Igarashi, Takuya Wada, Hiroshi Yamamoto
Interactive CardioVascular and Thoracic Surgery 2021.12 [Refereed]
Research paper (journal) Domestic Co-author
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Surgical treatment for accidentally discovered pseudoaneurysm of the mitralaortic intervalvular fibrosa with bicuspid aortic valve, ascending aortic aneurysm, and myocardial ischemia: a case report
Kentaro Kiryu* , Gembu Yamaura, Itaru Igarashi, Takayuki Kadohama, Fuminobu Tanaka, Daichi Takagi, Yoshinori Itagaki, Takeshi Arai, Takuya Wada, Hiroshi Yamamoto
The Cardiothoracic Surgeon 29 ( 12 ) 1 - 5 2021.06 [Refereed]
Research paper (journal) Domestic Co-author
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Avoiding anticoagulation drugs for postoperative atrial fibrillation enabled successful conservative treatment of left atrial dissection: a case report
Kentaro Kiryu, Takayuki Kadohama , Yoshinori Itagaki, Gembu Yamaura, Fuminobu Tanaka, Daichi Takagi, Takuya Wada, Itaru Igarashi, YuYa Yamazaki, Hiroshi Yamamoto
Surgical Case Reports 7 ( 120 ) 1 - 4 2021.05 [Refereed]
Research paper (journal) Domestic Co-author
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Modified Protocol of Cardiac Surgery Advanced Life Support
Takagi Daichi, Kadohama Takayuki, Kiriu Kentaro, Itagaki Yoshinori, Wada Takuya, Arai Takeshi, Igarashi Itaru, Yamazaki Yuya, Igarashi Wataru, Yamamoto Hiroshi
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 52 ( 4 ) 239 - 243 2023.07
<p>Cardiac Surgery Advanced Life Support (CALS) has been introduced as a cardiopulmonary resuscitation (CPR) after cardiac surgery since 2006, and has been recommended by Society of Thoracic Surgeons (STS) since 2017 and by the AHA (American Heart Association) guideline since 2020. The modified CALS protocol, which was partially revised to fit Japanese medical situations, was introduced to our hospital in 2019. Of 550 patients who underwent cardiac surgeries from April 2019 through May 2021, 6 patients (1.1%) (mean age: 51.8±27.2 years.) were resuscitated by the CALS protocol. We describe a case of repeated ventricular fibrillation (VF) due to R on T caused by ischemia-reperfusion injury. A 67-year-old man underwent aortic root replacement, total aortic arch repair, and coronary artery bypass surgery for a Stanford A type acute aortic dissection with right coronary artery malperfusion and cardiac tamponade. On the day of surgery, the patient was in VF and returned to sinus rhythm by prompt defibrillation by the ICU staff, but VF repeated every few minutes. Repeated VF was resolved by timely resternotomy, cardiac massage, and percutaneous extracorporeal circulatory support. Chest compression was avoided and the patient was discharged without neurological complications. The CALS protocol has enabled us to perform rapid CPR and resternotomy for cardiac arrest after cardiac surgery.</p>
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Significance of Surgical Therapy for Right Heart Malignant Tumors: A 5-case Report
Kiryu Kentaro, Kadohama Takayuki, Tanaka Fuminobu, Takagi Daichi, Yamamoto Hiroshi
The Japanese Journal of Phlebology ( Japanese Society of Phlebology ) 31 ( 2 ) 57 - 63 2020.05
<p>Cardiac tumors are rare, and if malignant, the prognosis is often poor. Specific complications occur depending on the site, and pulmonary tumor embolism is most fatal when the tumor site is in the right heart. Although, surgical intervention does not necessarily improve the prognosis of the tumor itself or survival, surgery can prevent sudden death and improve heart failure symptoms, which in turn is expected to improve the activities of daily living (ADL) and maintain the quality of life (QOL) by allowing hospital discharge. In cases of metastatic tumors or tumors due to progression of liver or kidney cancer, resection of the tumor not only improves ADL and QOL but may also prolong survival and improve prognosis. This study presents five cases of right cardiac malignant tumors in which surgical intervention using cardiopulmonary bypass was performed. In two cases, the patients died early but in the remaining three, relatively longer survival was observed. The patients were discharged and returned home but died later. Postoperative adjuvant chemotherapy may be effective in such cases depending on the tumor morphology. We conclude that surgical intervention was able to prevent sudden death, and a diagnosis followed by adjuvant chemotherapy might extend the survival. On the other hand, early postoperative lung and pulmonary circulatory disorders may be at risk of progressing to DIC and MOF and impairing survival.</p>
◆Original paper【 display / non-display 】
◆Other【 display / non-display 】
Academic Awards Received 【 display / non-display 】
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Academic award
2022.09.24 The Japanese Association for Thoracic Surgery Relationship between TEVAR timing and improvement of true lumen area in Stanford type B aortic dissection.
Winner： Akita University, Department of Cardiovascular Surgery