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  • Title: Emergency coronary bypass for cardiogenic shock.
    Author: Guyton RA, Arcidi JM, Langford DA, Morris DC, Liberman HA, Hatcher CR.
    Journal: Circulation; 1987 Nov; 76(5 Pt 2):V22-7. PubMed ID: 3499257.
    Abstract:
    Emergency coronary bypass for cardiogenic shock has been associated with a high operative mortality. From January 1983 through March 1986, 69 patients at Crawford W. Long Hospital underwent emergency coronary artery bypass. Seventeen of 69 were in shock, 15 with hypotension requiring treatment (intra-aortic balloon pump in 10; catecholamines in six). The other two patients had a low cardiac index and a pulmonary capillary wedge pressure greater than 25 mm Hg. Of these patients, nine presented with acute infarction, four with failed angioplasty, and four with uncontrollable angina. Four patients required cardiopulmonary resuscitation. After operation, 94% of the patients required catecholamine support and 71% were treated with an intra-aortic balloon pump. There were two hospital deaths (12%). The median postoperative stay for survivors was 9 days. Major complications occurred in 47%. Follow-up (100%, mean 20.5 months) revealed no late deaths, a 3 year survival of 88 +/- 8%, and a functional class of I in six patients, II in seven patients, and III in two patients. The nine patients who were working before operation all returned to work. Of the 52 emergency coronary bypass patients without shock, one patient died in the hospital (2%), 52% required catecholamines (p less than .05 vs shock group by chi-square analysis), and 12% required an intra-aortic balloon pump after operation (p less than .05 vs shock group by chi-square analysis). Median stay was 8 days. Complications occurred in 13% (p less than .05 vs shock group by chi-square analysis). Three year survival was 91 +/- 4%.(ABSTRACT TRUNCATED AT 250 WORDS)
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