Article Text


COPD systemic manifestations and cardiovascular disease
S95 Effect of pulmonary rehabilitation on cardiovascular risk factors in COPD
  1. S S C Kon1,
  2. A L Clark2,
  3. K A Ingram2,
  4. R P Fowler2,
  5. P Marns2,
  6. J L Canavan1,
  7. M S Patel1,
  8. M I Polkey1,
  9. W D C Man1
  1. 1Respiratory Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, Harefield, Middlesex, UK
  2. 2Harefield Pulmonary Rehabilitation Team, Harefield Hospital, Harefield, Middlesex, UK


Background Cardiovascular disease accounts for 27% of excess mortality seen in patients with chronic obstructive pulmonary disease (COPD). This may be attributed to the coexistence of cardiovascular risk factors such as smoking exposure and physical inactivity. Increased arterial stiffness has been demonstrated in patients with COPD, and this is an independent predictor of adverse cardiovascular events. Recent studies have shown that pulmonary rehabilitation (PR) can reduce blood pressure and arterial stiffness in COPD patients (Vivodtzev et al, 2009; Gale et al, 2011). However these studies comprised small numbers of highly selected patients. We investigated the effect of PR on resting blood pressure and heart rate in an unselected COPD population.

Methods 179 consecutive COPD patients completing an 8-week outpatient pulmonary rehabilitation programme were recruited. Resting blood pressure, heart rate, incremental shuttle walk (ISW) and Chronic Respiratory Disease Questionnaire (CRDQ) were measured immediately before and after PR. Paired t test (or non-parametric equivalent) was used to test the effect of PR.

Results Following PR, there was no significant change in systolic, diastolic, mean arterial pressure and heart rate in all patients with COPD, although ISW and CRDQ improved significantly (see Abstract S95 table 1). Subset analysis in 124 COPD patients with no coexisting cardiovascular disease, diabetes or malignancy, and 31 patients with known hypertension also showed no significant change in blood pressure or heart rate.

Abstract S95 Table 1

Effect of PR on haemodynamic variables in patients with COPD

Conclusions An 8-week outpatient PR programme has no effect upon resting heart rate or blood pressure in unselected patients with COPD.

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