Exercise testing in survivors of intensive care—is there a role for cardiopulmonary exercise testing?

Patient demographics and CPET data presented in ascending order of length of mechanical ventilation. Abbreviations: AAA, abdominal aortic aneurysm; ARDS, acute respiratory distress syndrome; BR, breathing reserve; CCF, congestive cardiac failure; CMV, cytomegalovirus; CRF, chronic renal failure; CVD, cerebrovascular disease; Eqco2, ventilatory equivalents for CO2 at AT; HRR, heart rate reserve; IBD, inflammatory bowel disease; IHD, ischemic heart disease; LOS, hospital length of stay; MI, myocardial infarction; MOF, multiorgan failure; PVD, peripheral vascular disease; SOB, shortness of breath; STEMI, ST-elevation myocardial infarction; tx, transplant; ARS, advanced respiratory support.