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Emergency myocardial revascularization.

C Dubost, A Deloche, A Carpentier

    Postgraduate Medical Journal
    |December 1, 1976
    PubMed
    Summary
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    Emergency saphenous vein bypass grafting (SVBG) for acute coronary insufficiency showed improved long-term survival and function in unstable angina patients. Acute myocardial infarction patients had higher mortality but some good outcomes.

    Area of Science:

    • Cardiovascular Surgery
    • Interventional Cardiology
    • Cardiac Surgery Outcomes

    Background:

    • Acute coronary insufficiency presents a critical challenge in cardiac care.
    • Emergency surgical intervention is sometimes necessary for specific patient subsets.
    • Saphenous vein bypass grafting (SVBG) is a established revascularization technique.

    Purpose of the Study:

    • To evaluate the efficacy and outcomes of emergency saphenous vein aorto-coronary bypass grafting (SVBG).
    • To assess results in patients with unstable angina versus acute evolving myocardial infarction.

    Main Methods:

    • Retrospective analysis of 175 patients undergoing emergency SVBG between 1969 and 1975.
    • Patients categorized into unstable angina (Group I) and acute evolving myocardial infarction (Group II).

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  • Evaluation of hospital mortality, post-operative complications, functional status, and long-term survival.

    • Main Results:

    • Group I (unstable angina): 8.4% hospital mortality, 10.3% post-operative myocardial infarction. Long-term follow-up (25 months avg.) showed functional improvement in most patients.
    • Actuarial survival for Group I reached 87% at 48 months.
    • Group II (acute myocardial infarction): 30% hospital mortality, with 70% achieving good results.

    Conclusions:

    • Emergency SVBG can lead to significant long-term functional improvement and survival in unstable angina patients.
    • While mortality is higher, emergency SVBG offers potential benefits for select acute myocardial infarction patients.
    • The study highlights the historical role and outcomes of emergency bypass grafting for acute coronary syndromes.