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Ann Thorac Surg 1979;27:181-182
© 1979 The Society of Thoracic Surgeons

Articles

Prevention of Air Embolism after Mitral Valve Replacement with a Porcine Heterograft Prosthesis

Giacomo A. DeLaria, M.D., David O. Monson, M.D., Milton Weinberg, Jr., M.D.*

From the Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL

Accepted for publication April 10, 1978.

* Address reprint requests to Dr. Weinberg, 1725 W Harrison St, Chicago, IL 60612

The production of prosthetic valve incompetence during atriotomy closure is among the operative maneuvers utilized to prevent air embolism in mitral valve replacement. The leaflets of a porcine bioprosthesis may be retracted safely and effectively, thereby producing temporary valve incompetence, by placing three polypropylene sutures through the valve orifice and around the sewing ring to encircle the leaflets. These traction sutures are easily pulled out through the atriotomy suture line after all air has been displaced from the heart. The technique has been effective, easily accomplished, and without complications.






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