{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T19:38:34Z","timestamp":1790192314439,"version":"4.1.0"},"reference-count":43,"publisher":"American Medical Association (AMA)","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"<jats:sec>\n                    <jats:title>Importance<\/jats:title>\n                    <jats:p>Stroke increases the risk of cognitive impairment and dementia without proven prevention therapies. Cardiorespiratory exercise (CRX) preserves brain health.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine whether a CRX intervention preserves hippocampal volume (HV) and cognition in patients after ischemic stroke.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design, Setting, and Participants<\/jats:title>\n                    <jats:p>The Post-Ischemic Stroke Cardiovascular Exercise Study (PISCES)\u2013Zoom Delivered Intervention Against Cognitive Decline (ZODIAC) is a phase 2b assessor-blinded randomized clinical trial performed at 4 metropolitan health care services in Melbourne, Australia. Eligible participants included adult patients who survived ischemic stroke without comorbidities prohibiting exercise or diagnosed cognitive disorder. Participants were recruited from May 26, 2016, to March 20, 2020, for PISCES in-person training and from November 9, 2020, to February 12, 2024, for ZODIAC remotely delivered home training. A total of 6921 participants were screened for eligibility, 130 were recruited, 107 were randomized (34 in PISCES and 73 in ZODIAC), and 104 continued to intervention. Study visits at 2, 4, and 12 months post stroke included brain magnetic resonance imaging and cognitive testing. Participants were randomized (1:1), stratified by baseline function (modified Rankin Scale score of 0-1 vs 2-3) and total brain volume. Primary, secondary efficacy, and safety outcome analyses were conducted using modified intention-to-treat (mITT) principle and per protocol.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Intervention<\/jats:title>\n                    <jats:p>Participants received 8 weeks of three 60-minute sessions\/wk. Participants in the CRX group received prescribed intensity progressive aerobic and resistance training; the control group received balance and stretching training.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main Outcomes and Measures<\/jats:title>\n                    <jats:p>The primary outcome was relative change in HV calculated as the difference between HV at times 1 and 2 divided by HV at time 1. Secondary outcome consisted of 12-month executive function test results (Trial Making Test, Part B [TMT-B]), adjusted for baseline TMT-B and mRS score.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The 104 participants included in primary outcome mITT analysis (55 in the control and 49 in the CRX groups; mean [SD] age, 64\u2009[14] years; 67 [64.4%] male; equivalent baseline mRS score). One hundred participants (33 in PISCES and 67 in ZODIAC) completed 4-month assessments, and 97 (31 in PISCES and 66 in ZODIAC) completed 12-month assessments. There were no intervention-related serious adverse events. Mean (SD) difference in relative change in HV between the CRX (\u22120.26% [2.12%]) and control (\u22120.11% [2.35%]) groups was \u22120.10% (95% CI, \u22121.10% to 0.87%;\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.83). The CRX group (n\u2009=\u200943) performed better than the control group (n\u2009=\u200951) on the adjusted TMT-B at 12 months (adjusted mean difference, \u22123.75 [95% CI, \u22125.02 to \u22122.49] seconds).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions and Relevance<\/jats:title>\n                    <jats:p>In this randomized clinical trial of fitness training, CRX was safe but did not preserve HV more than a control condition. CRX may benefit cognitive preservation following ischemic stroke.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial Registration<\/jats:title>\n                    <jats:p>\n                      anzcrt.org Identifier:\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.anzctr.org.au\/Trial\/Registration\/TrialReview.aspx?id=370997&amp;amp;amp;isReview=true\">ACTRN12616000942459<\/jats:ext-link>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2025.28907","type":"journal-article","created":{"date-parts":[[2025,8,26]],"date-time":"2025-08-26T15:00:24Z","timestamp":1756220424000},"page":"e2528907","source":"Crossref","is-referenced-by-count":11,"title":["Poststroke Cardiorespiratory Exercise for Brain Volume and Cognition"],"prefix":"10.1001","volume":"8","author":[{"given":"Amy","family":"Brodtmann","sequence":"first","affiliation":[{"name":"Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, Australia"},{"name":"Department of Medicine, University of Melbourne, Melbourne, Australia"},{"name":"The Florey Institute for Neuroscience and Mental Health, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonid","family":"Churilov","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Melbourne, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kimberley","family":"Adkins","sequence":"additional","affiliation":[{"name":"Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruwayda","family":"Haibe","sequence":"additional","affiliation":[{"name":"Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephanie","family":"Tucker","sequence":"additional","affiliation":[{"name":"Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed Salah","family":"Khlif","sequence":"additional","affiliation":[{"name":"Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emilio","family":"Werden","sequence":"additional","affiliation":[{"name":"The Florey Institute for Neuroscience and Mental Health, Melbourne, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura J. 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