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Japanese Journal of Cardiovascular Surgery ; : 1-xxvi-1-xxix, 2021.
Article in Japanese | WPRIM | ID: wpr-873923


Off-pump coronary artery bypass grating (OPCAB) is a standard procedure in Japan. This widespread use of OPCAB in Japan is supported by a number of studies that have been performed in the Japanese population, although most of these studies are retrospective singleinstitutions. Several clinical trials have been conducted worldwide and have demonstrated no benefit of OPCAB over traditional CABG with respect to these outcomes. Ultimately, OPCAB is associated with less effective myocardial revascularization and does not entirely prevent complications traditionally associated with cardiopulmonary bypass. Even so, OPCAB may improve operative outcomes by reducing the rates of perioperative myocardial injury, stroke, neurocognitive impairment, and cardiac-related mortality for elderly high-risk patients with co-morbidities. We will continue to polish this effective procedure in an aging society.

Japanese Journal of Cardiovascular Surgery ; : 193-196, 2004.
Article in Japanese | WPRIM | ID: wpr-366966


Aneurysms of the inferior left ventricular wall comprise only a small fraction of all aneurysms that have been reported in surgical series. Pseudo-false ventricular aneurysm is very rare and communicates with the left ventricule through a small orifice, and its wall contains myocardial tissue, unlike false ventricular aneurysm. A 53-year-old man was admitted to our hospital with chest pain. Echocardiography revealed left ventricular aneurysm, and the coronary arteriography subsequently revealed a complete occlusion of right coronary #2 and 75% and 90% stenosis of left anterior descending artery #7 and #8, respectively. Left ventriculography revealed an aneurysm of the inferior left ventricular wall, which communicated with the left ventricle through a small orifice and exhibited contraction. Surgical repair was indicated. Endoventricular circular patch repair (Dor operation) of the aneurysm of the inferior left ventricular wall and coronary artery bypass grafting to the left anterior descending artery and the right coronary artery were simultaneously performed under cardiopulmonary bypass with moderate hypothermia. The postoperative course was uneventful and the patient was discharged on the 22th day after surgery. Pseudo-false ventricular aneurysm of the inferior left ventricular wall was diagnosed by pathologic examination.