Ventilatory support or respiratory muscle training as adjuncts to exercise in obese CPAP-treated patients with obstructive sleep apnoea: a randomised controlled trial

Thorax
Isabelle VivodtzevJean-Louis Pépin

Abstract

Obstructive sleep apnoea (OSA) and obesity are interdependent chronic diseases sharing reduced exercise tolerance and high cardiovascular risk. A 3-month intervention with innovative training modalities would further improve functional capacity and cardiovascular health than usual cycle exercise training in already continuous positive airway pressure (CPAP)-treated obese patients with OSA. Fifty three patients (35<body mass index (BMI) <45 kg/m2) were randomly allocated to exercise training on a cycle ergometer, either alone (ERGO) or with respiratory muscle training (ERGO+RMT) or non-invasive ventilation (ERGO+NIV). Changes in 6 min walking distance (primary outcome), aerobic capacity (VO2peak), cardiovascular parameters, body composition and sleep quality were evaluated. All training modalities increased 6 min walking distance without differences between groups (P=0.97). ERGO+NIV and ERGO+RMT led to significantly higher improvement in VO2peakcompared with ERGO (3.1 (95% CI 1.6 to 4.6) vs 2.3 (0.8 to 3.7) vs 0.5(-1.0 to 1.9) mL/min/kg, respectively, P=0.04) and ERGO+NIV significantly reduced self-measured blood pressure compared with ERGO+RMT and ERGO (systolic: -9.5 (95% CI -14.1 to -4.9) vs -13 (-5.8 to 3.1) vs -0.7 (-5.1 to...Continue Reading

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Citations

Mar 2, 2018·Journal of Applied Physiology·James W MorganIsabelle Vivodtzev
Mar 16, 2019·European Respiratory Review : an Official Journal of the European Respiratory Society·Juan F MasaMaria Ángeles Sánchez-Quiroga
Jun 28, 2019·European Respiratory Review : an Official Journal of the European Respiratory Society·Silke RyanJean-Louis Pépin
Nov 1, 2018·Respiration; International Review of Thoracic Diseases·Michele Vitacca, Nicolino Ambrosino

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