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Coronary heart disease and related procedures. National Hospital Discharge Survey data

M Feinleib1, R J Havlik, R F Gillum

  • 1National Center for Health Statistics, Centers for Disease Control, Hyattsville, Maryland 20782.

Circulation
|June 1, 1989
PubMed

Insights

Hospital discharges for coronary artery disease diagnoses increased from 1984-1986, with a notable rise in unstable angina and surgical procedures like coronary artery bypass graft and angioplasty.

Area of Science:

  • Cardiovascular disease epidemiology
  • Health services research
  • Medical procedure trends

Background:

  • National Hospital Discharge Survey data offers insights into cardiovascular disease (CVD) trends.
  • Overall hospital discharge rates declined, but coronary artery disease (CAD) related diagnoses saw an increase.
  • Understanding these trends is crucial for public health and healthcare resource allocation.

Purpose of the Study:

  • To analyze trends in hospital discharges for cardiovascular diseases requiring procedures.
  • To examine changes in specific diagnoses like unstable angina pectoris and acute myocardial infarction.
  • To track the utilization of surgical interventions such as coronary artery bypass graft (CABG) and coronary angioplasty.

Main Methods:

  • Utilized cross-sectional and trend data from the National Hospital Discharge Survey (NHDS).
  • Analyzed discharge data for specific cardiovascular diagnoses and procedures between 1979 and 1986.
  • Examined demographic variations, such as the male-female ratio in older age groups for angina diagnoses.

Main Results:

  • Coronary artery-related diagnoses increased, particularly unstable angina, while chronic ischemic heart disease decreased.
  • Discharges for coronary artery bypass graft surgery doubled, and coronary angioplasty saw a dramatic rise.
  • Acute myocardial infarction discharge rates remained stable, but average length of stay decreased.
  • Dysrhythmias and heart failure were common complications; older women showed a higher discharge ratio for angina.

Conclusions:

  • Hospitalization trends indicate a shift towards interventional procedures for coronary heart disease.
  • The rise in unstable angina warrants further investigation into potential causes, including diagnostic practices.
  • Continued monitoring of CAD discharge trends and procedural utilization is essential for healthcare planning.

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