{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T11:24:32Z","timestamp":1788780272375,"version":"build-2803163510"},"reference-count":35,"publisher":"BMJ","issue":"5","license":[{"start":{"date-parts":[[2025,5,6]],"date-time":"2025-05-06T00:00:00Z","timestamp":1746489600000},"content-version":"unspecified","delay-in-days":5,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Grant from the Youth Fund of National Natural Science Foundation of China.","award":["72304261"],"award-info":[{"award-number":["72304261"]}]},{"name":"Regional Science Fund of National Natural Science Foundation of China","award":["72064037"],"award-info":[{"award-number":["72064037"]}]},{"DOI":"10.13039\/100014718","name":"Innovative Research Group Project of the National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["72064037"],"award-info":[{"award-number":["72064037"]}],"id":[{"id":"10.13039\/100014718","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2025,3,25]]},"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>This study aims to identify factors influencing medication adherence for deep vein thrombosis (DVT) prophylaxis in post-discharge patients after joint replacement surgery using Protection Motivation Theory (PMT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>This study employed qualitative semi-structured interviews with patients discharged after hip or knee replacement surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Using purposive sampling to ensure a diverse representation of patient profiles, participants were recruited from patients who underwent total knee replacement surgery from April 2024 to May 2024 and were discharged 1-month prior.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>12 patients who had undergone total knee replacement surgery participated in the study. The median (IQR) age of participants was 57.5 (55\u201367.25) years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Analysis<\/jats:title>\n                    <jats:p>Semi-structured interviews were conducted via online video calls. These interviews were audio recorded and transcribed verbatim. Data were analysed using Colaizzi\u2019s seven-step method. Themes were identified based on the dimensions of the PMT: susceptibility, severity, internal rewards, external rewards, response efficacy, self-efficacy and response costs. Two researchers independently coded and extracted themes, with discrepancies resolved through team discussions and verification with respondents.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Participants acknowledged the importance of adhering to anticoagulant medication to prevent DVT and its complications, understanding the severe consequences, such as the life-threatening nature of pulmonary embolism and the impact on daily activities. Perceived health status influenced adherence, with some participants feeling their good health negated the need for anticoagulants. External factors, including the desire to avoid side effects and financial constraints, also played significant roles in adherence decisions. Belief in the effectiveness of anticoagulants motivated adherence, but confidence in managing medication varied among participants. Practical barriers such as physical limitations and psychological burdens significantly impacted adherence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Improving medication adherence requires a multifaceted approach addressing cognitive, motivational and practical barriers. Continuous education, financial assistance, support systems and tailored interventions are crucial. PMT provides a robust framework for understanding and enhancing adherence behaviours, ultimately improving health outcomes in post-discharge joint replacement patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2024-090983","type":"journal-article","created":{"date-parts":[[2025,5,7]],"date-time":"2025-05-07T07:15:22Z","timestamp":1746602122000},"page":"e090983","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":10,"title":["Factors influencing medication adherence for deep vein thrombosis prevention in post-discharge patients after joint replacement surgery: a qualitative study based on Protection Motivation Theory"],"prefix":"10.1136","volume":"15","author":[{"given":"Feng","family":"Fu","sequence":"first","affiliation":[{"name":"Nursing Department of Xinjiang Medical University, 567 Shangde North Road, Urumgi, Xinjiang Uygur Autonomous Region, 830000, China"},{"name":"Health Care Research Center for 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