Long-term outcomes and costs of ventricular assist devices among Medicare beneficiaries.
Long-term outcomes and costs of ventricular assist devices among Medicare beneficiaries.
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DOI:
10.1001/jama.2008.716
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发表时间:
2008-11-26
影响因子:
120.7
通讯作者:
Curtis, Lesley H.
中科院分区:
文献类型:
--
作者:
Hernandez, Adrian F.;Shea, Alisa M.;Milano, Carmelo A.;Rogers, Joseph G.;Hammill, Bradley G.;O'Connor, Christopher M.;Schulman, Kevin A.;Peterson, Eric D.;Curtis, Lesley H.
In 2003, Medicare expanded coverage of ventricular assist devices as destination, or permanent, therapy for end-stage heart failure. Little is known about long-term outcomes and costs associated with these devices. To examine acute and long-term outcomes of Medicare beneficiaries receiving ventricular assist devices alone or after open-heart surgery. Analysis of all inpatient claims from the Centers for Medicare & Medicaid Services for the period 2000 through 2006. Patients were Medicare fee-for-service beneficiaries who received a ventricular assist device between February 2000 and June 2006 alone (n = 1476) or after cardiotomy in the previous 30 days (n = 1467). Cumulative incidence of device replacement, device removal, heart transplantation, readmission, and death, accounting for censoring and competing risks. We followed patients for at least 6 months and identified factors independently associated with long-term survival. We used Medicare payments to calculate total inpatient costs and costs per day outside the hospital. Overall 1-year survival was 51.6% (n = 669) in the primary device group and 30.8% (n = 424) in the postcardiotomy group. Among primary device patients, 815 (55.2%) were discharged alive with a device. Of those, 450 (55.6%) were readmitted within 6 months and 504 (73.2%) were alive at 1 year. Of the 493 (33.6%) postcardiotomy patients discharged alive with a device, 237 (48.3%) were readmitted within 6 months and 355 (76.6%) were alive at 1 year. Mean 1-year Medicare payments for inpatient care for patients in the 2000–2005 cohorts were $178 714 (SD, $142 549) in the primary device group and $111 769 (SD, $95 413) in the postcardiotomy group. Among Medicare beneficiaries receiving a ventricular assist device, early mortality, morbidity, and costs remain high. Improving patient selection and reducing perioperative mortality will be critical for improving overall outcomes.
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