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Systemic effects of chronic obstructive pulmonary disease.

A G Agustí1

  • 1Institut de Medicina Respiratoria, Hospital Universitari Son Dureta, Andrea Doria 55, 07014 Palma de Mallorca, Spain.

Novartis Foundation Symposium
|February 24, 2001
PubMed
Summary

Chronic obstructive pulmonary disease (COPD) involves systemic inflammation, leading to skeletal muscle loss. This impacts exercise capacity and prognosis, independent of lung function, and may be treatable.

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Area of Science:

  • Pulmonary Medicine
  • Systemic Inflammation
  • Skeletal Muscle Physiology

Background:

  • Chronic obstructive pulmonary disease (COPD) is traditionally viewed as a lung-specific condition.
  • Pulmonary inflammation in COPD, often from smoking, is increasingly recognized in systemic circulation.
  • Systemic inflammation in COPD has significant clinical implications beyond the lungs.

Purpose of the Study:

  • To explore the concept of COPD as a systemic disease.
  • To review evidence of systemic effects in COPD patients.
  • To identify potential cellular mechanisms and therapeutic targets for systemic manifestations of COPD.

Main Methods:

  • Literature review of studies on COPD and systemic inflammation.
  • Analysis of evidence linking pulmonary inflammation to systemic effects.
  • Discussion of cellular mechanisms underlying skeletal muscle loss in COPD.

Main Results:

  • Systemic inflammation is present in COPD patients.
  • Skeletal muscle mass loss is a significant consequence, affecting exercise capacity and prognosis.
  • Prognostic impact of muscle loss is independent of airflow obstruction severity.

Conclusions:

  • COPD extends beyond the lungs, encompassing systemic effects.
  • Skeletal muscle wasting is a key systemic manifestation of COPD with prognostic significance.
  • Targeting cellular mechanisms may offer reversible therapeutic strategies for systemic COPD effects.

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