Source: Annual Congress 2002 - Physiotherapy: assessment and outcome in healthy subjects and patients with chronic lung disease
Disease area: Airway diseases

Abstract

Patients with COPD experience a reduced capacity to perform ADL. Symptoms and reduced physiological capacity might contribute to this,but, determinants of ADL were never studied. Continuous unsupervised monitoring of ADL is a promising new method for assessment of ADL. A triaxial accelerometer ADL monitor (Dynaport McRoberts, The Hague, The Netherlands) registers 4 main ADL categories: sitting (SS), standing (ST), locomotion (walking WA), and lying (L) during 24 hours. We assessed 24-hour ADL with the Dynaport in 26 patients with COPD (FEV1 41±]17%pred) with complaints of dyspnea. Maximal exercise performance (Wmax 40±]17%pred), 6-minute walking distance (6MWD 53±]23%pred), quadriceps force (QF, 64±]27%pred), quality of life (CRDQ, 72±]18points) and Percieved Functional Status and Dyspnea Questionaire (PFSDQ-M, 5.3±]2.1) were assessed. Evaluation of ADL with the Dynaport revealed time for SS (481±]218min), ST (182±]110min), WA (41±]26min) and L (575±]217min). In single regression, significant relationships were observed between ST and WA on the one hand and FEV1, Wmax, 6MWD, and QF (0.38<R>0.74). No such relationship was observed for SS, and L. PFSDQ-M was inversely related to ST (-0.70, p<0.05) and WA (-0.52, p<0.05) and positively to SS (0.49, p=0.06). These findings suggest that active components of ADL (standing and walking) are related to physiological variables in patients with severe COPD. Improving these variables may therefore result in improved ADL.
Funded by the [dsquote]Fonds voor Wetenschappelijk Onderzoek-Vlaanderen[dsquote] grants Levenslijn #7.0007.00, #G. 0237.01 and Fondation Van Goethem-Brichant 2001.

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T. Troosters, M. A. Spruit, B. Wyffels, K. Schuffeleers, L. Herremans, M. Decramer, R. Gosselink (Leuven, Belgium). Determinants of activities of daily living (ADL) in COPD patients. Eur Respir J 2002; 20: Suppl. 38, 1165

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