Angiotensin-converting enzyme inhibitor/angiotensin II receptor blocker use prior to medical intensive care unit admission and in-hospital mortality: propensity score-matched cohort study

Background The aim of this study was to evaluate whether angiotensin-converting enzyme inhibitor/angiotensin II receptor blocker (ACEI/ARB) use prior to medical intensive care unit (ICU) admission was associated with in-hospital mortality and length of ICU stay.