Intérêt de l'épreuve fonctionnelle d'exercice au cours des myopathies inflammatoires avec atteinte pulmonaire

 CPET provides useful information in the understanding of mechanisms of dyspnoea and might be an effective tool in treatment decision making: in patients with inflammatory myopathy and associated ILD abnormal oxygen pulse may reflect cardiac disorder or muscular abnormalities (inflammatory or steroid myopathy).