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Association of the 2011 ACGME resident duty hour reforms with mortality and readmissions among hospitalized Medicare patients.

ABSTRACT: Patient outcomes associated with the 2011 Accreditation Council for Graduate Medical Education (ACGME) duty hour reforms have not been evaluated at a national level.To evaluate the association of the 2011 ACGME duty hour reforms with mortality and readmissions.Observational study of Medicare patient admissions (6,384,273 admissions from 2,790,356 patients) to short-term, acute care, nonfederal hospitals (n?=?3104) with principal medical diagnoses of acute myocardial infarction, stroke, gastrointestinal bleeding, or congestive heart failure or a Diagnosis Related Group classification of general, orthopedic, or vascular surgery. Of the hospitals, 96 (3.1%) were very major teaching, 138 (4.4%) major teaching, 442 (14.2%) minor teaching, 443 (14.3%) very minor teaching, and 1985 (64.0%) nonteaching.Resident-to-bed ratio as a continuous measure of hospital teaching intensity.Change in 30-day all-location mortality and 30-day all-cause readmission, comparing patients in more intensive relative to less intensive teaching hospitals before (July 1, 2009-June 30, 2011) and after (July 1, 2011-June 30, 2012) duty hour reforms, adjusting for patient comorbidities, time trends, and hospital site.In the 2 years before duty hour reforms, there were 4,325,854 admissions with 288,422 deaths and 602,380 readmissions. In the first year after the reforms, accounting for teaching hospital intensity, there were 2,058,419 admissions with 133,547 deaths and 272,938 readmissions. There were no significant postreform differences in mortality accounting for teaching hospital intensity for combined medical conditions (odds ratio [OR], 1.00; 95% CI, 0.96-1.03), combined surgical categories (OR, 0.99; 95% CI, 0.94-1.04), or any of the individual medical conditions or surgical categories. There were no significant postreform differences in readmissions for combined medical conditions (OR, 1.00; 95% CI, 0.97-1.02) or combined surgical categories (OR, 1.00; 95% CI, 0.98-1.03). For the medical condition of stroke, there were higher odds of readmissions in the postreform period (OR, 1.06; 95% CI, 1.001-1.13). However, this finding was not supported by sensitivity analyses and there were no significant postreform differences for readmissions for any other individual medical condition or surgical category.Among Medicare beneficiaries, there were no significant differences in the change in 30-day mortality rates or 30-day all-cause readmission rates for those hospitalized in more intensive relative to less intensive teaching hospitals in the year after implementation of the 2011 ACGME duty hour reforms compared with those hospitalized in the 2 years before implementation.

SUBMITTER: Patel MS

PROVIDER: S-EPMC5546100 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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Association of the 2011 ACGME resident duty hour reforms with mortality and readmissions among hospitalized Medicare patients.

Patel Mitesh S MS Volpp Kevin G KG Small Dylan S DS Hill Alexander S AS Even-Shoshan Orit O Rosenbaum Lisa L Ross Richard N RN Bellini Lisa L Zhu Jingsan J Silber Jeffrey H JH

JAMA 20141201 22

<h4>Importance</h4>Patient outcomes associated with the 2011 Accreditation Council for Graduate Medical Education (ACGME) duty hour reforms have not been evaluated at a national level.<h4>Objective</h4>To evaluate the association of the 2011 ACGME duty hour reforms with mortality and readmissions.<h4>Design, setting, and participants</h4>Observational study of Medicare patient admissions (6,384,273 admissions from 2,790,356 patients) to short-term, acute care, nonfederal hospitals (n = 3104) wit ...[more]

PMID: 25490327

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Project description:ContextThe ACGME-released revisions to the 2003 duty hour standards.ObjectiveTo review the impact of the 2003 duty hour reform as it pertains to resident and patient outcomes.Data sourcesMedline (1989-May 2010), Embase (1989-June 2010), bibliographies, pertinent reviews, and meeting abstracts.Study selectionWe included studies examining the relationship between the pre- and post-2003 time periods and patient outcomes (mortality, complications, errors), resident education (standardized test scores, clinical experience), and well-being (as measured by the Maslach Burnout Inventory). We excluded non-US studies.Data extractionOne rater used structured data collection forms to abstract data on study design, quality, and outcomes. We synthesized the literature qualitatively and included a meta-analysis of patient mortality.ResultsOf 5,345 studies identified, 60 met eligibility criteria. Twenty-eight studies included an objective outcome related to patients; 10 assessed standardized resident examination scores; 26 assessed resident operative experience. Eight assessed resident burnout. Meta-analysis of the mortality studies revealed a significant improvement in mortality in the post-2003 time period with a pooled odds ratio (OR) of 0.9 (95% CI: 0.84, 0.95). These results were significant for medical (OR 0.91; 95% CI: 0.85, 0.98) and surgical patients (OR 0.86; 95% CI: 0.75, 0.97). However, significant heterogeneity was present (I(2) 83%). Patient complications were more nuanced. Some increased in frequency; others decreased. Outcomes for resident operative experience and standardized knowledge tests varied substantially across studies. Resident well-being improved in most studies.LimitationsMost studies were observational. Not all studies of mortality provided enough information to be included in the meta-analysis. We used unadjusted odds ratios in the meta-analysis; statistical heterogeneity was substantial. Publication bias is possible.ConclusionsSince 2003, patient mortality appears to have improved, although this could be due to secular trends. Resident well-being appears improved. Change in resident educational experience is less clear.

Project description:BackgroundConcern persists that extended shifts in medical residency programs may adversely affect patient safety.MethodsWe conducted a cluster-randomized noninferiority trial in 63 internal-medicine residency programs during the 2015-2016 academic year. Programs underwent randomization to a group with standard duty hours, as adopted by the Accreditation Council for Graduate Medical Education (ACGME) in July 2011, or to a group with more flexible duty-hour rules that did not specify limits on shift length or mandatory time off between shifts. The primary outcome for each program was the change in unadjusted 30-day mortality from the pretrial year to the trial year, as ascertained from Medicare claims. We hypothesized that the change in 30-day mortality in the flexible programs would not be worse than the change in the standard programs (difference-in-difference analysis) by more than 1 percentage point (noninferiority margin). Secondary outcomes were changes in five other patient safety measures and risk-adjusted outcomes for all measures.ResultsThe change in 30-day mortality (primary outcome) among the patients in the flexible programs (12.5% in the trial year vs. 12.6% in the pretrial year) was noninferior to that in the standard programs (12.2% in the trial year vs. 12.7% in the pretrial year). The test for noninferiority was significant (P = 0.03), with an estimate of the upper limit of the one-sided 95% confidence interval (0.93%) for a between-group difference in the change in mortality that was less than the prespecified noninferiority margin of 1 percentage point. Differences in changes between the flexible programs and the standard programs in the unadjusted rate of readmission at 7 days, patient safety indicators, and Medicare payments were also below 1 percentage point; the noninferiority criterion was not met for 30-day readmissions or prolonged length of hospital stay. Risk-adjusted measures generally showed similar findings.ConclusionsAllowing program directors flexibility in adjusting duty-hour schedules for trainees did not adversely affect 30-day mortality or several other measured outcomes of patient safety. (Funded by the National Heart, Lung, and Blood Institute and Accreditation Council for Graduate Medical Education; iCOMPARE ClinicalTrials.gov number, NCT02274818.).

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Association of the 2011 ACGME resident duty hour reforms with mortality and readmissions among hospitalized Medicare patients.

Publications

Association of the 2011 ACGME resident duty hour reforms with mortality and readmissions among hospitalized Medicare patients.

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