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Evidence summaries

Patient Education in the Management of Coronary Heart Disease

Patient education of coronary heart disease patients might possibly be beneficial compared to control but the evidence is insufficient. Level of evidence: "D"

The quality of evidence is downgraded by study limitatons (unclear allocation concealment and lack of blinding), by inconsistency (variability in results), and by imprecise results (wide confidence intervals).

Summary

A Cochrane review [Abstract] 1 included 22 trials which randomised 76,864 people with CHD to an education intervention or a 'no education' comparator. There was evidence of no difference in effect of education-based interventions on total mortality (13 studies, 10,075 participants; 189/5187 (3.6%) versus 222/4888 (4.6%); random effects risk ratio (RR) 0.80, 95% CI 0.60 to 1.05; moderate quality evidence). Individual causes of mortality were reported rarely, and separate results were unable to report for cardiovascular mortality or non-cardiovascular mortality. There was evidence of no difference in effect of education-based interventions on fatal and/or non fatal myocardial infarction (MI) (2 studies, 209 participants; 7/107 (6.5%) versus 12/102 (11.8%); random effects RR 0.63, 95% CI 0.26 to 1.48; very low quality of evidence). However, there was some evidence of a reduction with education in fatal and/or non-fatal cardiovascular events (2 studies, 310 studies; 21/152 (13.8%) versus 61/158 (38.6%); random effects RR 0.36, 95% CI 0.23 to 0.56; low quality evidence). There was evidence of no difference in effect of education on the rate of total revascularisations (3 studies, 456 participants; 5/228 (2.2%) versus 8/228 (3.5%); random effects RR 0.58, 95% CI 0.19 to 1.71; very low quality evidence) or hospitalisations (5 studies, 14,849 participants; 656/10048 (6.5%) versus 381/4801 (7.9%); random effects RR 0.93, 95% CI 0.71 to 1.21; very low quality evidence). There was evidence of no difference between groups for all cause withdrawal (17 studies, 10,972 participants; 525/5632 (9.3%) versus 493/5340 (9.2%); random effects RR 1.04, 95% CI 0.88 to 1.22; low quality evidence). Although some health-related quality of life (HRQoL) domain scores were higher with education, there was no consistent evidence of superiority across all domains.

Clinical comments

Note

Date of latest search:

References

  • Anderson L, Brown JP, Clark AM et al. Patient education in the management of coronary heart disease. Cochrane Database Syst Rev 2017;(6):CD008895. [PubMed]

Primary/Secondary Keywords