Ultrasound Evaluation of the Quadriceps Muscle Contractile Index in Patients with Stable Chronic Obstructive Pulmonary Disease: Relationships with Clinical Symptoms, Disease Severity and Diaphragm Contractility
Anne-Catherine Maynard-Paquette,1 Claude Poirier,2 Carl Chartrand-Lefebvre,3,4 Bruno-Pierre Dubé2,5 1Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada; 2Centre Hospitalier de l’Université de Montréal (CHUM), Department of Medicine, Respiratory Medicine Division, Montreal,