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Ann Thorac Surg 1977;23:421-428
© 1977 The Society of Thoracic Surgeons

Articles

Extracorporeal Membrane Oxygenation for Massive Pulmonary Thromboembolism

Daniel J. Krellenstein, M.D., Ph.D.*, Christopher W. Bryan-Brown, M.D., A. Olusegun Fayemi, M.D., Stephen A. Geller, M.D., Jennifer Hanns, R.N., Susan Barron, B.S., E. Converse Peirce, II, M.D.

Department of Surgery, Veterans Administration Hospital, Bronx, and the Departments of Surgery and Pathology, Mount Sinai School of Medicine of the City University of New York, New York, NY.

Accepted for publication September 27, 1976.

* Address reprint requests to Dr. Krellenstein, Department of Surgery, Mount Sinai Hospital, 100th St and Fifth Ave, New York, NY 10029.

This study was undertaken to determine whether extracorporeal membrane oxygenation (ECMO) could modify the effects of massive lethal thromboembolism and prevent death. Twenty anesthetized dogs were prepared for venoarterial perfusion with a demand pump and membrane lung and were perfused slowly for 1 1/2 hours to lessen homologous blood shock; 1 ml per kilogram of 24-hour-old tantalum-impregnated thrombus was injected intravenously. The dogs had profound systemic hypotension with an elevated mean pulmonary artery pressure (62.9 ± 4.5 mm Hg) immediately after embolization. Control animals generally died within 15 minutes. Four of the 10 ECMO-supported animals lived for six days, at which time they were restudied and killed.

Not only can ECMO maintain an animal that would otherwise die quickly of massive pulmonary thromboembolism, but such support, even though temporary, can greatly improve the chances of survival.




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Ann. Thorac. Surg., February 1, 1981; 31(2): 102 - 104.
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