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Ann Thorac Surg 2000;69:1511-1514
© 2000 The Society of Thoracic Surgeons
a Texas Heart Institute at St. Luke’s Episcopal Hospital, Houston, Texas, USA
Address reprint requests to Dr Cooley, Texas Heart Institute, PO Box 20345, MC 3-258, Houston, TX 77225-0345
e-mail: dcooley{at}heart.thi.tmc.edu
Background. We have used a variety of techniques to correct left ventricular outflow tract obstructions, including, in the past, placement of an apicoaortic valved conduit to bypass the outflow tract. Because the operation was technically difficult, it had fallen into disuse. Recently, we used a simplified transthoracic approach to implant apicoaortic conduits in 7 patients with complex lesions of the left ventricular outflow tract.
Methods. The thoracic cavity was entered through the fifth intercostal space in all 7 patients. The distal end of the valve-containing conduit was attached to the aorta with continuous 3-0 or 4-0 polypropylene sutures after incising the pleura over the distal descending aorta. The pericardium was opened to expose the left ventricular apex, which was cored so that the proximal end of the conduit could be inserted into the left ventricular cavity.
Results. Five of the patients recovered completely. The 2 patients who died had severe heart disease and multiple comorbidities.
Conclusions. The transthoracic approach gives direct access to the descending aorta and avoids a redo sternotomy. The technique, which is simple to perform, does not compromise major coronary arteries, the conduction system, or other valves; and may be useful in patients who are not good candidates for other, more conventional procedures.
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