Pulmonary Rehabilitation in End-Stage Liver Disease

Inclusion Criteria: * wait listed for liver transplantation with poor 6 MWT Exclusion Criteria: * age \< 18 years * recent hospitalization (within 14 days) due to decompensation, variceal bleeding in the previous 1 month * large esophageal varices without primary prophylaxis * active excessive alcohol intake (in the previous 3 months) * current overt uncontrolled hepatic encephalopathy * hepatopulmonary syndrome with uncontrolled hypoxia * portopulmonary hypertension * inability to perform exercise * marked symptomatic comorbidities (cardiac, pulmonary, renal).