Study	Reason for exclusion
Blue 2001	There was no outcome data about the titration of medications by the heart failure nurses
Doyon 2010	We were unable to obtain a copy of the dissertation, and the results had not been published in an article
Kasper 2002	There was no outcome data about the titration of medications by the heart failure nurses
Lowery 2012	Quasi‐experimental design
Spaeder 2006	Both arms titrated medications
Thompson 2005	There was no outcome data about the titration of medications by the heart failure nurses