Failure to wean from cardiopulmonary bypass after myocardial revascularization: successful treatment with verapamil via the aortic root.
case_report · Level V
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Abstract
Severe ventricular dysfunction in a patient prevented weaning from cardiopulmonary bypass after myocardial revascularization. Calcium chloride and increasing doses of dopamine had no effect. Coronary vasospasm was diagnosed based on ST elevation and myocardial failure. Verapamil 0.5 mg, injected into the aortic root, was followed by a dramatic improvement in cardiac contractility and successful weaning from cardiopulmonary bypass without inotropic support.
Medical subject headings
- Cardiopulmonary Bypass
- Coronary Vasospasm
- Myocardial Revascularization
- Postoperative Complications
- Verapamil