Abstract

Prescribing of recommended medications for heart failure (HF) is suboptimal, leaving patients at a high risk of death or rehospitalization post discharge. Nurse-led titration (NLT) clinics are one strategy that could potentially improve the prescription of these medications. The aim of this article was to determine the effect of NLT clinics on all-cause mortality, all-cause or HF rehospitalizations, and adverse effects in patients with HF. We searched MEDLINE, EMBASE, Cochrane CENTRAL, International Clinical Trials Registry Platform, and ClinicalTrials.gov to identify randomized controlled trials comparing NLT of β-blocking agents, angiotensin receptor-neprilysin inhibitors, angiotensin-converting enzyme inhibitors, and/or angiotensin receptor blockers to optimization by another health professional in patients with HF. We used the fixed-effects Mantel-Haenszel method or meta-analyses. We assessed heterogeneity between studies using χ2 and I2. Eight studies with 2025 participants were included. Participants in the NLT group experienced a lower rate of all-cause rehospitalizations (relative risk, 0.76, 95% confidence interval, 0.68-0.85; moderate quality of evidence) and less HF-related rehospitalizations (relative risk, 0.47; 95% confidence interval, 0.33-0.66; high quality of evidence) compared with the usual care group. All-cause mortality was lower in the NLT group (relative risk, 0.67; 95% confidence interval, 0.48-0.92; moderate quality of evidence) compared with the usual care group. Authors of one study reported no adverse events, and another study found one adverse event. This meta-analysis indicates that NLT clinics may improve optimization of guideline-recommended medications with the potential to reduce rehospitalization and improve survival in a cohort of patients known for their poor outcomes.

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