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Cardiovascular morbidity and mortality in COPD

Laetitia Huiart1, Pierre Ernst, Samy Suissa

  • 1Division of Clinical Epidemiology, Royal Victoria Hospital and Department of Epidemiology and Biostatistics, McGill University, 687 Pine Ave West, Ross 4.29, Montreal, QC, Canada, H3A 1A1.

Chest
|October 21, 2005
PubMed

Insights

Patients with chronic obstructive pulmonary disease (COPD) have a higher risk of cardiovascular disease (CVD) hospitalization and death compared to the general population. CVD may pose a greater health burden than COPD itself.

Area of Science:

  • Pulmonary Medicine
  • Cardiology
  • Epidemiology

Background:

  • Chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) share common risk factors.
  • Understanding the comparative burden of CVD in COPD patients is crucial for comprehensive patient management.

Purpose of the Study:

  • To estimate and compare hospitalization and mortality rates for CVD in COPD patients versus the general population.
  • To identify specific CVDs contributing significantly to morbidity and mortality in COPD.

Main Methods:

  • A cohort of 5,648 patients aged 55+ receiving initial COPD treatment (1990-1997) was identified from Saskatchewan Health databases.
  • Hospitalizations and deaths were tracked through 1999, generating 23,426 person-years of follow-up.
  • Standardized rate ratios were calculated to compare COPD patients with the general population.

Main Results:

  • COPD patients exhibited higher rates of cardiovascular morbidity (177.2/1000 PY) and mortality (41/1000 PY) compared to the general population (SRRs of 1.9 and 2.0, respectively).
  • Cardiovascular disease hospitalizations exceeded those for COPD.
  • Heart failure was the most frequent CVD hospitalization cause, while ischemic heart disease was a more common cause of death than COPD.

Conclusions:

  • Cardiovascular disease is significantly more prevalent in COPD patients than in the general population.
  • The health burden of CVD in COPD patients may surpass that of the lung disease itself.
  • Highlights the need for integrated management of COPD and cardiovascular conditions.
Abstract

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