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Open-heart surgery.

P D Myerowitz, K Caswell, W G Lindsay

    Southern Medical Journal
    |October 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    In open-heart surgery, cephalothin antibiotic prophylaxis showed significantly lower rates of urinary tract infections, pneumonia, and sepsis compared to methicillin. Cephalothin is recommended for preventing infections in these procedures.

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    Area of Science:

    • Infectious Disease
    • Cardiovascular Surgery
    • Pharmacology

    Background:

    • Antibiotic prophylaxis is crucial in preventing surgical site infections following open-heart surgery.
    • The choice of antibiotic impacts efficacy and patient outcomes.
    • Previous studies suggested varying effectiveness of different antibiotic classes.

    Purpose of the Study:

    • To compare the effectiveness of broad-spectrum cephalothin versus specific antistaphylococcal methicillin for antibiotic prophylaxis in open-heart surgery.
    • To evaluate the incidence of postoperative infections, including urinary tract infections, pneumonia, sepsis, and endocarditis.

    Main Methods:

    • A randomized prospective study conducted between May 1972 and June 1973.
    • 132 patients received cephalothin (C) and 129 received methicillin (M) preoperatively.

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  • Patients were randomly assigned to antibiotic groups and monitored for postoperative complications.

    • Main Results:

    • The methicillin group had significantly higher rates of urinary tract infection (22 vs. 3), pneumonia (9 vs. 0), and sepsis/prosthetic endocarditis (11 vs. 0) compared to the cephalothin group.
    • No significant differences were observed in age, hospitalization duration, or cardiopulmonary bypass duration.
    • Slight differences in male patient ratio and operation duration were noted but were not the primary focus.

    Conclusions:

    • Cephalothin demonstrated superior efficacy in preventing serious postoperative infections compared to methicillin in open-heart surgery.
    • Cephalothin was adopted as the standard antibiotic prophylaxis for open-heart surgery at the institution.
    • Findings support the use of cephalothin for broad-spectrum coverage in cardiac surgical prophylaxis.