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Related Experiment Videos

Death in a catheterization laboratory

B C Morton1, L A Higginson, D S Beanlands

  • 1Division of Cardiology, University of Ottawa Heart Institute, Ont.

CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne
|July 15, 1993
PubMed
Summary
This summary is machine-generated.

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The death rate from cardiac catheterization has remained stable since 1977. Patients with unstable coronary syndromes face the highest risk during angiography and percutaneous transluminal coronary angioplasty (PTCA).

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Public Health

Background:

  • Cardiac catheterization is a common diagnostic and therapeutic procedure.
  • Assessing procedural mortality is crucial for patient safety and quality improvement.
  • Understanding trends in cardiac catheterization outcomes is important for clinical practice.

Purpose of the Study:

  • To evaluate the mortality rates associated with diagnostic and therapeutic cardiac catheterization.
  • To determine if these mortality rates have changed between 1977 and 1991.

Main Methods:

  • A prospective descriptive study was conducted at the University of Ottawa Heart Institute.
  • Data were collected from consecutive patients undergoing cardiac catheterization (angiography, PTCA, valvuloplasty) between 1977 and 1991.

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  • Mortality was assessed within 24 hours post-procedure or later if causally related, excluding endomyocardial biopsy and electrophysiologic studies.

    • Main Results:

    • The overall death rate for 30,838 diagnostic catheterizations was 0.10% and remained consistent throughout the study period.
    • Most deaths (75%) were linked to coronary angiography in patients with left main-stem or triple-vessel disease.
    • Deaths from PTCA were primarily observed in patients with unstable coronary syndromes; the rate for elective PTCA was approximately 0.1%.

    Conclusions:

    • Mortality rates for cardiac catheterization at this institution have remained stable from 1977 to 1991.
    • Patients with unstable and global myocardial ischemia are at the highest risk during angiography.
    • Elective PTCA carries a low risk of death, particularly for patients with unstable coronary artery syndromes.