{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T03:41:23Z","timestamp":1790998883785,"version":"4.1.0"},"reference-count":64,"publisher":"Oxford University Press (OUP)","license":[{"start":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T00:00:00Z","timestamp":1745452800000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"SOLVE-CHD NHMRC Synergy","award":["GNT1182301"],"award-info":[{"award-number":["GNT1182301"]}]},{"name":"NHMRC Investigator","award":["GNT2007946"],"award-info":[{"award-number":["GNT2007946"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Aims<\/jats:title>\n                  <jats:p>The primary aim of this study was to investigate the effect of peer support interventions on psychosocial outcomes, self-management behaviours, and readmissions among people with coronary heart disease (CHD). The secondary aim was to characterize the peer support strategies being tested including the intervention initiation, method, dose, timing, format and content, and the characteristics and training of the peers providing the intervention.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods and results<\/jats:title>\n                  <jats:p>Systematic review and meta-analysis [MEDLINE, Embase, PsycINFO, CINAHL, Scopus, PubMed (non-MEDLINE), Web of Science, and Cochrane Central Register] and risk of bias appraisal were conducted on the above outcomes according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist and Cochrane Collaboration guidelines. Meta-analysis was undertaken in RevMan5.4 using the inverse variance method and random effects model. Intervention components and outcomes unsuitable for meta-analysis were narratively synthesized. Sixteen randomized controlled trials (n = 2013) were included. Peer support had no effect on anxiety [standardized mean difference (SMD) \u22120.73, 95% confidence interval (CI) \u22121.57, 0.10], depression (SMD \u22120.09, 95% CI \u22120.25, 0.06), health-related quality of life (SMD \u22120.38, 95% CI \u22121.84, 1.08), or perceived social support (SMD \u22120.05, 95% CI \u22120.31, 0.21). However, peer support interventions significantly improved self-management behaviours (SMD 1.49, 95% CI 0.66, 2.32) and self-efficacy up to 6 months (SMD 0.57, 95% CI 0.37, 0.77) and reduced readmissions (risk ratio 0.25, 95% CI 0.10, 0.60). Self-efficacy remained higher in those receiving peer support at 6\u201312 months post-intervention (SMD 0.67, 95% CI 0.29, 1.05). The characteristics of peer support interventions were diverse and varied widely, but the most commonly used strategies included in person (56%), group based (31%), and experience sharing (44%). Although subgroup analysis was not possible, narrative synthesis indicated that in-person strategies and peer support that was commenced during admission were the most effective for improving outcomes.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Peer support interventions for people with CHD may be used to improve self-management and self-efficacy and reduce readmission risk, but anxiety, depression, health-related quality of life, and social support did not reach statistical significance when meta-analysed. In person, group based, and experience sharing were the most common peer support categories, and strategies that were in person and initiated during admission demonstrated the most consistent improvements across outcomes.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Registration<\/jats:title>\n                  <jats:p>PROSPERO: CRD42024514564<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/eurjpc\/zwaf241","type":"journal-article","created":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T14:48:30Z","timestamp":1745506110000},"source":"Crossref","is-referenced-by-count":14,"title":["Effectiveness of coronary heart disease peer support interventions: a systematic review and meta-analysis"],"prefix":"10.1093","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7061-8015","authenticated-orcid":false,"given":"Joseph","family":"Weddell","sequence":"first","affiliation":[{"name":"Sydney Nursing School, Faculty of Medicine and 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Health, The University of Sydney , Level 2 2W11, Building D17, Sydney, NSW 2006 ,","place":["Australia"]},{"name":"Institute for Evidence-Based Healthcare, Faculty of Health Sciences and Medicine, Bond University , Gold Coast, QLD, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1902-9113","authenticated-orcid":false,"given":"Thomas","family":"Buckley","sequence":"additional","affiliation":[{"name":"Sydney Nursing School, Faculty of Medicine and Health, The University of Sydney , Level 2 2W11, Building D17, Sydney, NSW 2006 ,","place":["Australia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5588-9351","authenticated-orcid":false,"given":"Robyn","family":"Gallagher","sequence":"additional","affiliation":[{"name":"Sydney Nursing School, Faculty of Medicine and Health, The University of Sydney , Level 2 2W11, Building D17, Sydney, NSW 2006 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