{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:54:00Z","timestamp":1787018040273,"version":"build-2736575974"},"reference-count":31,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circ: Cardiovascular Interventions"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Clinical event committees are commonly employed for event validation in clinical studies, but little is known about the comparative performance of administrative claims data versus clinician-triggered event adjudication for ascertainment of adverse events in structural heart disease studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and Results:<\/jats:title>\n                    <jats:p>Medicare claims were linked to 418 patients &gt;65 years of age who underwent transcatheter mitral valve repair (MitraClip) for severe mitral regurgitation from 2007 to 2013 as part of the EVEREST II (Endovascular Valve Edge-to-Edge Repair Study II) High-Risk Registry or the REALISM (Real World Expanded Multicenter Study of the MitraClip System) Continued-Access Registry. Each registry adjudicated mortality, heart failure hospitalization, renal failure, ventilation, and bleeding\/transfusion within 1 year. Concordance of claims-based outcomes with events was assessed in 3 ways: 1-year occurrence, cumulative incidence, and synchrony of first events. For event occurrence, positive predictive value (PPV) of claims versus adjudication was the highest for mortality (PPV=97%) and heart failure hospitalization (PPV=69%) but lower for bleeding (PPV=40%) and renal failure (PPV=19%). Whereas claims-based cumulative incidence for mortality, heart failure hospitalization, and renal failure were consistent with clinician-triggered adjudication, incidence curves for bleeding events and ventilation diverged, with claims identifying a greater number of events. When events were detected by both methods, however, over 75% of event dates matched exactly. Mitral valve reinterventions were identified through claims with perfect sensitivity and specificity relative to physician adjudication.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Ascertainment of mortality, heart failure hospitalization, and renal failure was highly concordant between physician adjudication and administrative claims. Further work is necessary to determine the role of administrative claims in event ascertainment in both prospective and retrospective studies of structural heart disease.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1161\/circinterventions.118.007451","type":"journal-article","created":{"date-parts":[[2019,5,14]],"date-time":"2019-05-14T05:00:17Z","timestamp":1557810017000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":23,"title":["Use of Medicare Claims to Identify Adverse Clinical Outcomes After Mitral Valve Repair"],"prefix":"10.1161","volume":"12","author":[{"given":"Angela","family":"Lowenstern","sequence":"first","affiliation":[{"name":"Division of Cardiology (A.L., J.M.B., T.Y.W., S.V.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven J.","family":"Lippmann","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences (S.J.L., L.H.C., B.G.H.), Duke University School of Medicine, Durham, NC."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. Matthew","family":"Brennan","sequence":"additional","affiliation":[{"name":"Division of Cardiology (A.L., J.M.B., T.Y.W., S.V.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tracy Y.","family":"Wang","sequence":"additional","affiliation":[{"name":"Division of Cardiology (A.L., J.M.B., T.Y.W., S.V.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lesley H.","family":"Curtis","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences (S.J.L., L.H.C., B.G.H.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ted","family":"Feldman","sequence":"additional","affiliation":[{"name":"Cardiology Division, Evanston Hospital, Northshore University Health System, IL (T.F.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donald D.","family":"Glower","sequence":"additional","affiliation":[{"name":"Division of Cardiothoracic Surgery (D.D.G.), Duke University School of Medicine, Durham, NC."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bradley G.","family":"Hammill","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences (S.J.L., L.H.C., B.G.H.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sreekanth","family":"Vemulapalli","sequence":"additional","affiliation":[{"name":"Division of Cardiology (A.L., J.M.B., T.Y.W., S.V.), Duke University School of Medicine, Durham, NC."},{"name":"Duke Clinical Research Institute, Durham, NC (A.L., J.M.B., T.Y.W., L.H.C., B.G.H., S.V.)."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/MLR.0b013e3181d991c4"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.AACN.0000330383.87507.d1"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2015.05.049"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2012.09.001"},{"key":"e_1_3_4_6_2","unstructured":"US Food and Drug Administration. 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