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1.
Article in Japanese | WPRIM | ID: wpr-361992

ABSTRACT

We described a patient with free wall rupture followed by papillary muscle rupture due to acute myocardial infarction. A 69-year-old man was transferred complaining of transient unconsciousness. His clinical history, electrocardiogram, and chest CT showed myocardial infarction with free wall rupture indicated that several days had passed since the onset. Coronary angiography showed occlusion of the right coronary artery and severe stenosis of the left anterior descending artery. Since cardiac rupture was at inferior wall and hemorrhage wasn't active, repair of the rupture using fibrin glue and fibrin sheet and coronary artery bypass grafting to the left anterior descending artery was performed without cardiopulmonary bypass. On the 10th postoperative day, his arterial oxygen saturation suddenly deteriorated. Transesophageal echocardiography revealed papillary muscle rupture and severe mitral regurgitation. Emergency mitral valve replacement was performed. After two emergency operations, he gradually recovered and were discharged to home. In three months after discharge, he was admitted again due to congestive heart failure with left ventricular aneurysm at inferior wall and recovered in response of conservative treatment. Surgical experience of double rupture is rare. Based on this case, it may be necessary to perform reperfusion therapy toward even this case of recent myocardial infarction, to prevent papillary muscle rupture. It also may be better to use a patch on free wall rupture to prevent cardiac aneurysm.

2.
Article in Japanese | WPRIM | ID: wpr-361842

ABSTRACT

A 54-year-old woman complained of prolonged fever. Echocardiography showed severe mitral regurgitation with vegetation, and computed tomography showed right coronary artery (RCA) fistula to the coronary sinus (CS). Blood culture revealed Strep. viridans, thus a diagnosis of active infective endocarditis was established. The patient underwent urgent surgery. Surgical findings showed that vegetation was located in A3 to P3 of the mitral valve. The patient underwent mitral valve repair using a glutalualdehyde-treated autologous pericardial patch and artificial chordea. Epicardial ligation for fistula was performed. Her postoperative course was uneventful.

3.
Article in Japanese | WPRIM | ID: wpr-367008

ABSTRACT

An 18-year-old man underwent a Ross operation for the treatment of prosthetic aortic valve endocarditis with extensive perivalvular tissue destruction. Postoperatively, he developed poststernotomy methicillin-resistant <i>Staphylococcus aureus</i> mediastinitis, which was treated with one-staged irrigation, debridement and omental transfer. After 3 years of follow-up, he is doing well without any sign of infection or a graft failure.

4.
Article in Japanese | WPRIM | ID: wpr-366824

ABSTRACT

A combined aortic and mitral valve replacement was performed in a 50-year-old man who had undergone living-related renal transplantation one year previously. The oral administration of tacrolimus was continued perioperatively while monitoring blood tacrolimus level. The postoperative administration of human atrial natriuretic peptide (hANP) was effective to maintain urine output was performed in addition to frosemide, mannitol, dopamin and prostaglandin E<sub>1</sub> infusions. He was discharged on the 37th postoperative day without rejection, infection or renal dysfunction. This is the first report in Japan describing successful combined aortic and mitral valve replacement after renal transplantation.

5.
Article in Japanese | WPRIM | ID: wpr-366820

ABSTRACT

A 71-year-old man with early-stage esophageal cancer underwent off-pump coronary artery bypass grafting (CABG) through left thoracotomy to avoid sternotomy to allow subsequent esophageal surgery. The patient had severe double vessel coronary artery disease (the left anterior descending artery and the right coronary artery). Esophageal pull-out resection and reconstruction with the transverse colon over the sternum were planned after recovery from CABG. Therefore, we performed off-pump CABG via left thoracotomy using a saphenous vein Y-graft. Proximal anastomosis was placed in the descending aorta, and the distal anastomoses were completed with a stabilizer and an apical retraction device. Postoperative angiograms showed both grafts were patent and had suitable layout for subsequent esophageal surgery. In conclusion, off-pump CABG via left thoracotomy is an appropriate option for myocardial revascularization, if median sternotomy is contraindicated.

6.
Article in Japanese | WPRIM | ID: wpr-366616

ABSTRACT

There have been many reports radial artery grafts (RA) are useful in CABG, but there were very few reports about hand grasping power (GP), edema and sensory disturbance after surgery. From January to April, 1999, RA were used for 14 patients (R group) and were not in 16 patients (C group) among a total of 30 coronary artery bypass grafting procedures. The patients in the two groups were statistically similar. RA were anastomosed to #12 in 9 patients and #14 in 5. GP and the circumference of forearms were examined and sensory disturbance was also checked preoperatively and at 1, 2 and 4 weeks postoperatively. In both groups, left GP decreased slightly after surgery but gradually recovered. Four weeks after surgery, it was 26.2±9.6kg in the R group and 26.2±7.5kg in the C group (NS). The difference between left and right circumference of forearms, which indicates the degree of edema, was significantly larger in the R group than in the C group (3.5±3.6mm vs. -0.5±3.8mm, 1 week postoperatively, <i>p</i><0.05). However, it gradually improved in the R group (2.1±2.6mm at 2 weeks and 1.9±2.6mm at 4 weeks postoperatively). No sensory disturbance was seen at any time. Therefore we conclude that using RA in CABG is not only useful but is also safe and does not increase postoperative risk.

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