{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T14:40:04Z","timestamp":1755873604000,"version":"3.44.0"},"reference-count":38,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:sec>\n            <jats:title>Background:<\/jats:title>\n            <jats:p>Chronic kidney disease (CKD) is a global health concern associated with an elevated risk of cardiovascular (CV) and all-cause mortality. The ankle-brachial index (ABI), a noninvasive diagnostic tool, is widely recognized for detecting peripheral arterial disease. This meta-analysis aims to assess whether abnormally low or high ABI values independently predict CV and all-cause mortality in CKD patients, including those on hemodialysis.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>A systematic review and meta-analysis was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, using PubMed, Cochrane, and Google Scholar databases through September 2024 to identify studies on abnormal ABI and mortality outcomes in CKD patients with or without hemodialysis. Data was analyzed with random-effects models, and subgroup analyses evaluated variations by patient characteristics, region, sample size, and follow-up duration.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>The analysis included 10 cohort studies comprising 13,378 participants. ABI values between 0.9 and 1.3 were defined as normal. Individuals with abnormally low ABI (&lt;0.9) demonstrated a significantly higher incidence in CV mortality [hazard ratio (HR) = 2.23; confidence interval (CI), 1.75\u20132.83) and all-cause mortality (HR = 1.78; CI, 1.55\u20132.05). Those with high ABI \u22651.3 were associated with a 2.77-fold increase in CV mortality (HR = 2.77; CI, 1.74\u20134.41) and a 1.49 higher risk of all-cause mortality (HR = 1.49; CI, 1.09\u20132.02). Overall, abnormal ABI values were linked to a 1.74 higher risk of all-cause mortality (HR = 1.74; CI, 1.54\u20131.96) and a 2.34-fold increase in CV mortality (HR = 2.34; CI, 1.93\u20132.85). Subgroup analyses revealed higher mortality risks in hemodialysis patients compared with nondialysis CKD patients and in studies conducted in Asia.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>Abnormal ABI values show a U-shaped relationship with mortality, serving as strong predictors of CV and all-cause mortality in CKD patients, particularly those on hemodialysis. Since CV and all-cause mortality are high in CKD patients, these findings suggest that ABI measurement is a useful screening technique to assist in prognosticating such patients. Further studies are warranted to validate these findings and to better understand the prognostic utility of ABI across different CKD stages, including both dialysis-dependent and nondialysis CKD patients.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/hpc.0000000000000396","type":"journal-article","created":{"date-parts":[[2025,5,21]],"date-time":"2025-05-21T14:01:49Z","timestamp":1747836109000},"page":"e0396","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Abnormal Ankle-Brachial Index and Risk of Cardiovascular and all-cause mortality in Patients With Chronic Kidney Disease: An Updated Systematic Review and Meta-analysis"],"prefix":"10.1097","volume":"24","author":[{"given":"Mohammad","family":"Hazique","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Vassar Brothers Medical Center\/Nuvance Health, Poughkeepsie, NY"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arihant","family":"Surana","sequence":"additional","affiliation":[{"name":"Departemnt of Medicine, Saint Vincent Hospital, Worcester, MA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kunal N.","family":"Patel","sequence":"additional","affiliation":[{"name":"Department of Cardiology, University of Kansas Medical Center, Kansas, MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jawad","family":"Basit","sequence":"additional","affiliation":[{"name":"Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason M.","family":"Lazar","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, State University of New York Downstate Medical Center, Brooklyn, NY"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Timir K.","family":"Paul","sequence":"additional","affiliation":[{"name":"Department of Interventional Cardiology, University of Tennessee Health Sciences Center at Nashville, Ascension St. Thomas Hospital, Nashville, TN"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. 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