elevated(4) Guillain-Barré syndrome(4) affecting(4) predict(4) Oxygenation(4) Corticosteroid(4) Respiratory failure(4) severe sepsis(4) Pneumonia(4) ventilatory failure(4) weakness(4) virus(4) limb(4) Chest(4) suggested(4) Patient(4) creatinine(4) High dose(4) respiratory distress(4) mechanical ventilation(4) Skeletal muscle(4) severe SARS(4) Sepsis(4) CPK(4) Case report(4) indicate(4) Nerve conduction(4) creatinine phosphokinase(4) acute respiratory distress(4) muscle(4)