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At 2.5 metabolic equivalents, he suddenly went into cardiac arrest, and percutaneous cardiopulmonary support was initiated. Echocardiography revealed the presence of a large amount of pericardial effusion, and emergency cardiac surgery was performed to repair the free-wall rupture. This highlights the importance of careful monitoring of patients with percutaneous coronary intervention during cardiopulmonary exercise testing.<\/jats:p>","DOI":"10.1136\/bcr-2017-222742","type":"journal-article","created":{"date-parts":[[2018,1,24]],"date-time":"2018-01-24T06:15:34Z","timestamp":1516774534000},"page":"bcr-2017-222742","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Left ventricular free-wall rupture that occurred during a cardiopulmonary exercise test"],"prefix":"10.1136","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7293-617X","authenticated-orcid":false,"given":"Masaki","family":"Kodaira","sequence":"first","affiliation":[{"name":"Department of Cardiology, Japanese Red Cross Ashikaga Hospital, Ashikaga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takahito","family":"Itoh","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Japanese Red Cross Ashikaga Hospital, Ashikaga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiyoshi","family":"Koizumi","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Japanese Red Cross Ashikaga Hospital, Ashikaga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yohei","family":"Numasawa","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Japanese Red Cross Ashikaga Hospital, Ashikaga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2018,1,24]]},"reference":[{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2010.03.093"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000034670.06526.15"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.3","first-page":"308","article-title":"Early exercise-based rehabilitation improves health-related quality of life and functional capacity after acute myocardial infarction: a randomized controlled trial","volume":"31","author":"Peixoto","year":"2015","journal-title":"Can J Cardiol"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.4","doi-asserted-by":"publisher","DOI":"10.1016\/j.ahj.2011.07.017"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.5","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.166.21.2329"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.6","doi-asserted-by":"publisher","DOI":"10.1253\/circj.66.930"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.7","doi-asserted-by":"publisher","DOI":"10.1161\/CIR.0b013e318212bb8b"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.8","doi-asserted-by":"publisher","DOI":"10.1161\/CIR.0b013e31829b5b44"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.9","doi-asserted-by":"publisher","DOI":"10.1016\/j.jjcc.2013.06.012"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.10","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(98)00180-6"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.11","doi-asserted-by":"publisher","DOI":"10.1378\/chest.92.2.219"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.12","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199311113292002"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.13","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9149(99)80151-9"},{"key":"2025082801265854000_2018.jan24_1.bcr-2017-222742.14","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjcard.2014.10.004"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2017-222742","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T08:27:04Z","timestamp":1756369624000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2017-222742"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,1,24]]},"references-count":14,"alternative-id":["10.1136\/bcr-2017-222742"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2017-222742","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2018,1,24]]}}}