{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T06:03:45Z","timestamp":1768457025510,"version":"3.49.0"},"reference-count":30,"publisher":"Korean Academy of Rehabilitation Medicine","issue":"2","license":[{"start":{"date-parts":[[2021,4,30]],"date-time":"2021-04-30T00:00:00Z","timestamp":1619740800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["www.e-arm.org"],"crossmark-restriction":true},"short-container-title":["Ann Rehabil Med"],"published-print":{"date-parts":[[2021,4,30]]},"abstract":"<jats:p>Objective To examine whether patients who participated in a cardiac rehabilitation (CR) program after hospitalization for acute coronary syndrome maintained cardiorespiratory fitness (CRF) in the community.Methods We conducted a retrospective study including 78 patients who underwent percutaneous coronary intervention or coronary artery bypass graft surgery at our hospital\u2019s cardiovascular center and participated in a CR program and a 5-year follow-up evaluation. Patients were divided into a center-based CR (CBCR) group, participating in an electrocardiography-monitored exercise training in a hospital setting, and a home-based CR (HBCR) group, receiving aerobic exercise training and performed self-exercise at home.Results No significant differences were found between groups (p&gt;0.05), except the proportion of non-smokers (CBCR 59.5% vs. HBCR 31.7%; p=0.01). In both groups, the maximal oxygen consumption (VO&lt;sub&gt;2max&lt;\/sub&gt;) increased significantly during the first 12 weeks of follow-up and remained at a steady state for the first year, but it decreased after the 1-year follow-up. Particularly, VO&lt;sub&gt;2max&lt;\/sub&gt; at 5 years decreased below the baseline value in the HBCR group. In the low CRF group, the CRF level significantly improved at 12 weeks, peaked at 1 year, and was still significantly different from the baseline value after 5 years. The high CRF group did not show any significant increase over time relative to the baseline value, but most patients in the high CRF group maintained relatively appropriate CRF levels after 5 years.Conclusion Continuous support should be provided to patients to maintain optimal CRF levels after completing a CR program.<\/jats:p>","DOI":"10.5535\/arm.20123","type":"journal-article","created":{"date-parts":[[2021,5,3]],"date-time":"2021-05-03T07:38:29Z","timestamp":1620027509000},"page":"150-159","update-policy":"https:\/\/doi.org\/10.5535\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Do Patients Maintain Proper Long-Term Cardiopulmonary Fitness Levels After Cardiac Rehabilitation? A Retrospective Study Using Medical Records"],"prefix":"10.5535","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8223-2945","authenticated-orcid":true,"given":"Chul","family":"Kim","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8753-929X","authenticated-orcid":true,"given":"Hee Eun","family":"Choi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2190-1054","authenticated-orcid":true,"given":"Jin Hyuk","family":"Jang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9003-0032","authenticated-orcid":true,"given":"Jun Hyeong","family":"Song","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7920-2750","authenticated-orcid":true,"given":"Byung-Ok","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"3481","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.260.7.945"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.cd001800"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjmed.2004.01.009"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijcard.2008.03.052"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1253\/circj.cj-16-0061"},{"key":"ref6","first-page":"2432","volume-title":"AHA\/ACCF secondary prevention and risk reduction therapy for patients with coronary and other atherosclerotic vascular disease: 2011 update: a guideline from the American Heart Association and 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