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1.
Article in Japanese | WPRIM | ID: wpr-688475

ABSTRACT

Most renal artery aneurysms are asymptomatic and the indication of surgery for renal artery aneurysm is controversial. We encountered 3 cases of renal artery aneurysms that were found incidentally during imaging studies. We used urological approach to undergo renal or adrenal surgery and we injected renal protection solution into the kidney after clamping the renal artery, later we underwent renal artery aneurysmectomy. In all cases, we got good operative field, and they went an uneventful postoperative course without deterioration of renal function. In surgical treatment of renal artery aneurysm, this approach method, reconstructive procedure, and renal protection are satisfied enough.

2.
Article in Japanese | WPRIM | ID: wpr-375629

ABSTRACT

Persistent massive air leak after pediatric cardiac surgery is a rare and possibly life-threatening complication which is difficult to treat. We report a 3-month-old boy with hypoplastic left heart syndrome that underwent Glenn take-down, suffered from pulmonary hemorrhage during surgery and needed mechanical ventilation with high airway pressure that caused bilateral pneumothorax. After pulmonary hemorrhage improved, pneumothorax with persistent air leaks did not resolve under prolonged chest tubes. This patient underwent an autologous “blood patch” pleurodesis on postoperative day 32. The procedure was repeated a second time 48 h after the application of the first blood patch. After these procedures, air leaks dramatically ceased. The patient was successfully weaned from the ventilator on postoperative day 70. Pleurodesis with an autologous blood patch is a safe and an effective technique for the treatment of persistent air leaks, even for a 3-month-old boy with hypoplastic left heart syndrome.

3.
Article in Japanese | WPRIM | ID: wpr-375256

ABSTRACT

We report a case of Takotsubo cardiomyopathy that developed after elective coronary artery bypass grafting (CABG) in an 80-year-old woman. She had been given a diagnosis of unstable angina complicated with mild hypertrophic obstructive cardiomyopathy (HOCM). Her cardiac index began to fall 7 h postoperatively, and we needed to infuse fluids and increase dopamine dose (up to 5 µg/kg/min) to maintain cardiac index and blood pressure. CPK-MB level increased up to 140 IU/<i>l </i>at 12 h postoperatively. Transthoracic echocardiography showed akinesis and ballooning of the apex and hyperkinesis of the base with accelerated left ventricular outflow tract (LVOT) flow and increased mitral regurgitation (MR). Emergency coronary artery angiography showed good patency of all bypass grafts and no new coronary lesion. We diagnosed Takotsubo cardiomyopathy. To improve the hemodynamic status, we started intra-aortic balloon pumping (IABP) instead of adding catecholamines. Blood pressure and cardiac index had improved temporarily, but became unstable again because of increased LVOT pressure gradient and moderate-to-severe MR. LV wall motion gradually improved, but the hemodynamic status stayed unstable, but improved after removal of IABP. In general, the prognosis of Takotsubo cardiomyopathy is favorable with supportive care. However, when it is associated with LVOT stenosis and significant MR, low cardiac output syndrome can become intractable, thus we should manage critical conditions with extreme caution.

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