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Use of Intensive Care Services for Medicare Beneficiaries Undergoing Major Surgical Procedures.

ABSTRACT: Use of intensive care after major surgical procedures and whether routinely admitting patients to intensive care units (ICUs) improve outcomes or increase costs is unknown.The authors examined frequency of admission to an ICU during the hospital stay for Medicare beneficiaries undergoing selected major surgical procedures: elective endovascular abdominal aortic aneurysm (AAA) repair, cystectomy, pancreaticoduodenectomy, esophagectomy, and elective open AAA repair. The authors compared hospital mortality, length of stay, and Medicare payments for patients receiving each procedure in hospitals admitting patients to the ICU less than 50% of the time (low use), 50 to 89% (moderate use), and 90% or greater (high use), adjusting for patient and hospital factors.The cohort ranged from 7,878 patients in 162 hospitals for esophagectomies to 69,989 patients in 866 hospitals for endovascular AAA. Overall admission to ICU ranged from 35.6% (endovascular AAA) to 71.3% (open AAA). Admission to ICU across hospitals ranged from less than 5% to 100% of patients for each surgical procedure. There was no association between hospital use of intensive care and mortality for any of the five surgical procedures. There was a consistent association between high use of intensive care with longer length of hospital stay and higher Medicare payments only for endovascular AAA.There is little consensus regarding the need for intensive care for patients undergoing major surgical procedures and no relationship between a hospital's use of intensive care and hospital mortality. There is also no consistent relationship across surgical procedures between use of intensive care and either length of hospital stay or payments for care.

SUBMITTER: Wunsch H

PROVIDER: S-EPMC4792707 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Use of Intensive Care Services for Medicare Beneficiaries Undergoing Major Surgical Procedures.

Wunsch Hannah H Gershengorn Hayley B HB Cooke Colin R CR Guerra Carmen C Angus Derek C DC Rowe John W JW Li Guohua G

Anesthesiology 20160401 4

<h4>Background</h4>Use of intensive care after major surgical procedures and whether routinely admitting patients to intensive care units (ICUs) improve outcomes or increase costs is unknown.<h4>Methods</h4>The authors examined frequency of admission to an ICU during the hospital stay for Medicare beneficiaries undergoing selected major surgical procedures: elective endovascular abdominal aortic aneurysm (AAA) repair, cystectomy, pancreaticoduodenectomy, esophagectomy, and elective open AAA repa ...[more]

PMID: 26825149

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Project description:ImportanceThirty percent of Medicare accountable care organizations (ACOs) in the Shared Savings Program (SSP) have exited within five years of joining. Absent the potential for shared savings, exiting ACOs may choose to divest from costly resources needed to support population health, worsening clinical quality for beneficiaries aligned to these organizations.ObjectiveTo examine the associations of SSP exit with clinical quality.Design setting and participantsBetween 2019 and 2020 we conducted a retrospective cohort study with national Medicare claims from a 20% random sample of beneficiaries. We identified 1,713,237 beneficiaries aligned with an SSP ACO at some point between 2012 and 2016. We distinguished between those for whom the ACO to which they were aligned exited the SSP and those whose ACO stayed in the program. Comparing exiting ACOs with those who stayed in the SSP, we evaluated changes in the quality of care that a beneficiary received before and after the aligned ACO exited the SSP. We also examined whether findings associated with exit varied with respect to the number of years after exit.ExposuresSSP exit and the number of years after exit.Main outcomes and measuresAnnual preventive care services receipt and hospital utilization.ResultsThe cohort of 1,713,237 individuals (mean [standard deviation] age at enrollment: 75.20 [7.96] years) included 998,511 (58.3%) female, 126,123 (7.4%) Black, and 1,482,823 white (86.6%) beneficiaries. SSP exit was associated with significantly lower rates of annual glycated hemoglobin testing (odds ratio [OR], 0.74; 95% confidence interval [CI], 0.68 to 0.81), low-density lipoprotein cholesterol testing (OR, 0.86; 95% CI, 0.76 to 0.97), and all diabetes complication screening (OR, 0.90; 95% CI, 0.81 to 0.97), for beneficiaries with diabetes. The exit was not related to rates of hospital utilization, in terms of emergency department utilization and 30-day readmission after SSP exit. The associations with exit depended on the length of time since contracts end. For example, the baseline rate of annual glycated hemoglobin testing was 89.8% (95% CI, 89.5% to 90.1%) but fell to 86.9% (95% CI, 85.9% to 88.0%) and 86.8% (95% CI, 85.0% to 88.5%) in years 1 and 2 after exit, respectively, but it then rose to 91.9% (95% CI, 85.3% to 98.5%) in year 3.Conclusions and relevanceIn this cohort study of Medicare beneficiaries, SSP exit was associated with modest declines in clinical quality. These findings were timely given recent SSP changes that could accelerate program exit.

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Dataset Information

Use of Intensive Care Services for Medicare Beneficiaries Undergoing Major Surgical Procedures.

Publications

Use of Intensive Care Services for Medicare Beneficiaries Undergoing Major Surgical Procedures.

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