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Keywords

coronary artery disease, mortality, nurse-led clinic

 

Authors

  1. Al-Mallah, Mouaz H. MD, MSc, FACC, FAHA, FESC
  2. Farah, Iyad RN
  3. Al-Madani, Wedad MSc
  4. Bdeir, Bassam MD
  5. Al Habib, Samia MD, PhD
  6. Bigelow, Maureen L. RN
  7. Murad, Mohammad Hassan MD, MPH
  8. Ferwana, Mazen MD, PhD

Abstract

Background: Nurse-led clinics (NLCs) have been developed in several health specialties in recent years. The aim of this analysis is to summarize and appraise the available evidence about the effectiveness of NLCs on the morbidity and mortality outcomes in patients with cardiovascular diseases (CVDs).

 

Methods: We searched Cochrane databases, MEDLINE, Web of Science, PubMed, EMBASE, Google Scholar, BIOSIS, and bibliography of secondary sources from inception through February 20, 2013. Studies were selected and data were extracted independently by 2 investigators. Eligible studies were randomized trials of NLCs of patients with CVD. Of 56 potentially relevant articles screened initially, 12 trials met the inclusion criteria. The outcomes of interest were all-cause mortality, cardiovascular mortality, nonfatal myocardial infarction, major adverse cardiac events, revascularization, lipids control, and adherence to antiplatelet medications. We performed random-effects meta-analysis to estimate summary risk ratios and quantified between-studies heterogeneity with the I2 statistic.

 

Results: The 12 trials allocated 4886 patients to NLCs and 4954 patients to usual care. The NLC patients had decreased all-cause mortality (odds ratio, 0.78; 95% confidence interval [CI], 0.65-0.95; P < .01) and myocardial infarction (odds ratio, 0.63; 95% CI, 0.39-1.00; P = .05) and had higher adherence to lipid-lowering medication (odds ratio, 1.57; 95% CI, 1.14-2.17; P = .006) compared with controls. They also had increased adherence to antiplatelet therapy compared with controls (odds ratio, 1.42; 95% CI, 1.01-1.98; P = .04). There was no statistically significant difference in the risk of cardiovascular death (odds ratio, 0.68; 95% CI, 0.40-1.15; P = .68), major adverse cardiac events (odds ratio, 0.79; 95% CI, 0.55-1.14; P = .21),or revascularization (odds ratio, 0.87; 95% CI, 0.66-1.16; P = .36) between NLC patients and controls.

 

Conclusions: The available evidence suggests a favorable effect of NLCs on all-cause mortality, rate of major adverse cardiac events, and adherence to medications in patients with CVD.