Falls in people with chronic obstructive pulmonary disease: An observational cohort study - 02/08/11
, J.J. Eng a, c, D.L. MacIntyre a, c, J.D. Road d, J.M. FitzGerald d, J. Burns e, W.D. Reid a, b
Corresponding author. Muscle Biophysics Laboratory, Rm 617 – 828 West 10th Avenue, University of British Columbia, Vancouver, Canada V5Z 1M9. Tel.: +1 604 875 4111x66056; fax: +1 604 875 4376.Summary |
Study objective |
To investigate incidence, risk factors and impact of falls on health related quality of life (HRQoL) in patients with chronic obstructive pulmonary disease (COPD).
Design |
Observational cohort study.
Methods |
Patients completed these questionnaires at baseline and at 6-months: Medical Outcomes Study Short Form 36 (SF-36), Chronic Respiratory Questionnaire (CRQ), Activities Balance Confidence (ABC) Scale and a form to record demographic data, medications, co-morbidities, oxygen use, acute exacerbations, fall history and assistive device use. Physical activity was measured with the Physical Activity Scale for the Elderly (PASE) only at baseline. Fall incidence was monitored through monthly fall diaries. Patients were categorized as non-fallers (0 falls) or fallers (≥1 falls).
Results |
Data from 101 patients with a forced expiratory volume in 1 s of 46.4 ± 21.6% predicted were analyzed. Thirty-two patients (31.7%) reported at least one fall during the 6-months. Fall incidence rate was 0.1 (95% CI: 0.06–0.14) falls per person-month. Fallers tended to be older (p = 0.04), female (p = 0.04) and oxygen dependent (p = 0.02), have a history of previous falls (p < 0.001), more co-morbidities (p = 0.007) and take more medications (p = 0.001). Previous falls (OR = 7.36; 95% CI: 2.39–22.69) and diagnosis of coronary heart disease (OR = 7.07; 95% CI: 2.14–23.36) were the most important predictors of falls. The Dyspnea Domain of the CRQ declined significantly more (p = 0.02) in the fallers group at 6-months.
Conclusions |
Patients with COPD have a high susceptibility to falls, which is associated with a worsening of dyspnea perception as related to HRQoL. Fall prevention programs in COPD are recommended.
Le texte complet de cet article est disponible en PDF.Keywords : Falls, Prevention, Risk factors, COPD, Quality of life
Plan
Vol 105 - N° 3
P. 461-469 - mars 2011 Retour au numéro
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