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Affiliation |
Hospital Cardio-Vascular Surgery |
Graduating School 【 display / non-display 】
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-2011.03
Akita University Faculty of Medicine Graduated
Graduate School 【 display / non-display 】
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-2020.03
Akita University Graduate School, Division of Medicine Doctor's Course Completed
Campus Career 【 display / non-display 】
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2022.12-Now
Akita University Hospital Cardio-Vascular Surgery Lecturer
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2020.06-2022.11
Akita University Graduate School of Medicine Doctorial Course in Medicine Organ Function-Oriented Medicine Assistant Professor
Thesis for a degree 【 display / non-display 】
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Comparative study of hyperpolarization-activated currents in pulmonary vein cardiomyocytes isolated from rat, guinea pig, and rabbit
Daichi Takagi, Yosuke Okamoto, Takayoshi Ohba, Hiroshi Yamamoto,Kyoichi Ono
2020.03 [Refereed]
Single author
Research Achievements 【 display / non-display 】
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Yamazaki Yuya, Takagi Daichi, Niitsuma Ken, Naganuma Masaaki, Takeda Miki, Imamura Yuki, Tabayashi Azuma, Ishida Keiichi, Ishizawa Ai, Kowatari Ryousuke
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 53 ( 6 ) 6-U1 - 6-U5 2024.11 [Refereed]
Research paper (journal) Domestic Co-author
<p>The transition to the new specialist certification system has progressed in cardiovascular surgery, enabling many surgeons to obtain specialist certification earlier than before. This study focuses on conditions that are particularly easy to overlook factors in the application process, namely academic activities, surgical experience, and Off-the-Job Training (OJT). This report summarizes these changes to facilitate efficient specialist certification applications for trainees.</p>
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Study Protocol and Mission for the Tohoku Registry of Acute Aortic Dissection (TRAD)
Itagaki Kota, Katahira Shintaro, Sasaki Konosuke, Miyatake Midori, Ito Koki, Kumagai Kiichiro, Kondo Norihiro, Masuda Shinya, Takagi Daichi, Tabayashi Azuma, Kanda Keisuke, Ishizawa Ai, Yamashita Atsushi, Kim Cholsu, Kawamoto Shunsuke, Naganuma Masaaki, Ishida Keiichi, Ueno Kyohei, Saiki Yoshikatsu, on behalf of the TRAD Investigators
Circulation Reports ( 一般社団法人 日本循環器学会 ) 6 ( 10 ) 465 - 468 2024.10 [Refereed]
Research paper (journal) Domestic Co-author
<p><b><i>Background:</i></b> Acute aortic dissection (AAD) is a life-threatening condition that imposes a significant socioeconomic burden on society. The Tohoku Registry of Acute Aortic Dissection (TRAD) is a collaboration of 13 tertiary referral hospitals in the Tohoku region of Japan designed to investigate all aspects of AAD treatment in this district, and to address significant clinical questions to help understand its dynamic pathology and develop optimal strategies for treating AAD.</p><p><b><i>Methods and Results:</i></b> Comprehensive cases developing type A and type B AAD, including those with prehospital cardiopulmonary arrest transported to TRAD centers, over 5 years from 2017 to 2022 are registered. The TRAD dataset encompasses prehospital information, diagnostic imaging findings, treatment modalities, and outcomes for each case. After discharge, patients will be followed up for 10 years for survival, aortic events and inspection data.</p><p><b><i>Conclusions:</i></b> We believe that this multicenter registry of AAD analyses will clarify the current short-term outcomes of recent surgical, endovascular, and medical treatments in the Tohoku region, and provide insights into the long-term outcomes of different treatment modalities to achieve extended life expectancy in reasonably good health.</p>
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Takagi D.
Journal of Thoracic and Cardiovascular Surgery ( Journal of Thoracic and Cardiovascular Surgery ) 167 ( 1 ) 15 - 25.e2 2024.07 [Refereed]
Research paper (journal)
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Takagi Daichi, Namiguchi Kenji, Inoue Yoshinori, Hoshino Satoshi, Takahashi Kenichiro
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 53 ( 3 ) 3-U1 - 3-U4 2024.05 [Refereed]
Research paper (journal) Domestic Co-author
<p>Many cardiovascular surgeons are well aware of the importance of non-technical skills but don't know what behaviors with high quality non-technical skills are in the operating room. The Non-Technical Skills for Surgeons (NOTSS) system was developed to be used as a debriefing tool for supervisors to assess the non-technical skills of trainee surgeons and provide feedback immediately after surgery. The NOTSS system has the four categories containing three elements respectively, with "good behavior" and "bad behavior" indicated for each element. The purpose of this column is to introduce the NOTSS and to provide an opportunity to think about how cardiovascular surgeons should behave in the operating room. Jpn. J. Cardiovasc. Surg. 53(3): U1-U4 (2024)</p>
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Igarashi W., Takagi D.
International Journal of Molecular Sciences ( International Journal of Molecular Sciences ) 24 ( 13 ) 2023.07 [Refereed]
Research paper (journal) Domestic Co-author
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Translocation of the Isolated Left Vertebral Artery during Thoracic Endovascular Stent-Graft Repair
Arai Takeshi, Takagi Daichi, Wada Takuya, Igarashi Itaru, Yamazaki Yuya, Igarashi Wataru, Kadohama Takayuki, Yamamoto Hiroshi
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 51 ( 4 ) 240 - 244 2022.07
<p>Spinal cord injury (SCI) is a main concern in patients who undergo thoracic endovascular therapy (TEVAR), because the blood flow of the vertebro-basilar artery may be reduced due to the left subclavian artery (LSA) occlusion. If the left vertebral artery originates directly from the aorta, which is called the isolated left vertebral artery (ILVA), a technical consideration for strategies regarding blood perfusion of the ILVA during TEVARs is required. We hereby aim to report three patients (No.1, No.2, and No.3) who underwent an ILVA translocation and TEVAR with Zone 2 landing for aortic dissection. The diameter of the ILVA was 4.2, 2.3, and 2.2 mm, respectively, and the right vertebral artery (RVA) was dominant in all cases. In Patient No.1 and No.2 (ILVA diameter: 4.2 and 2.3 mm, respectively), the ILVA was anastomosed directly to the left common carotid artery. In Patient No.2, the translocated ILVA was occluded resulting in SCI, but the SCI improved when blood pressure was augmented. In Patient No.3 (ILVA diameter: 2.2 mm), the saphenous vein graft was interposed between the ILVA and the bypass artery because the ILVA diameter was small, but postoperatively, the ILVA remained patent, and no paraplegia was observed. The occlusion of ILVA could cause SCI, even if the RVA is larger than the LVA. Reconstruction of the ILVA is a critical procedure to prevent postoperative SCIs in patients undergoing TEVARs.</p>
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Recent Progress in Cardiovascular Surgery 2020
Takagi Daichi, Yamamoto Hiroshi
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 50 ( 5 ) 351 - 353 2021.09
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Role of the Japanese Board of Cardiovascular Surgery for Young Surgeons No.1
Tanaka Chiharu, Takagi Daichi
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 49 ( 5 ) 5-U1 - 5-U5 2020.09
<p>Japanese board of cardiovascular surgery is changing to new system. To discuss about future education, the cardiovascular surgeons should know more about the new system. The present article demonstrated the questionnaire survey about the board, and evaluated its outcome. This is the first article of the column series about the board. We hope the article is useful information for the young surgeons, and the surgeons will discuss about better environment for training in new era.</p>
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Role of the Japanese Board of Cardiovascular Surgery for Young Surgeons No.1
Tanaka Chiharu, Takagi Daichi
Japanese Journal of Cardiovascular Surgery ( The Japanese Society for Cardiovascular Surgery ) 49 ( 5 ) 5 - U1-5-U5 2020
<p>Japanese board of cardiovascular surgery is changing to new system. To discuss about future education, the cardiovascular surgeons should know more about the new system. The present article demonstrated the questionnaire survey about the board, and evaluated its outcome. This is the first article of the column series about the board. We hope the article is useful information for the young surgeons, and the surgeons will discuss about better environment for training in new era.</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
<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 】
Grant-in-Aid for Scientific Research 【 display / non-display 】
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Grant-in-Aid for Early-Career Scientists
Project Year： 2021.04 - 2024.03