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Functional evaluation of a physical rehabilitation program including breathing exercises and bicycle training in chronic obstructive lung disease
Sergysels R, de Coster A, Degre S, Denolin H
Respiration 1979;38(2):105-111
clinical trial
3/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

20 patients suffering from chronic obstructive lung disease (COLD) were submitted to a 6-month rehabilitation program including breathing exercises only (A) or coupled with bicycle training (B). Functional results obtained at rest were the following: for A: nonsignificant changes in FRC, RV, FEV1, Raw, PaO2, pH, Pp, VO2max SL but significant changes (p < 0.05) for TLC (+214 cm3), VC (+171 cm3), DL CO (+1.79 ml), PaCO2 (-2.9 mmHg). For B: similar changes as for A with additional significant changes in PaO2 (+7.4 mmHg) VO2max SL (+250 ml) and Pp (-4 mmHg). These results, although minimal, are attributed to improved respiratory muscle strength and improved alveolar ventilation. Exercise training adds an increased ability to sustain higher loads.

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