Abstract
Introduction
Readmission to the hospital following a hip fracture is common, often involves an adverse event, and strains an already overburdened health care system.
Objectives
To assess the rate of 30-day readmission to the hospital after discharge for care of hip fracture. A secondary objective was measurement of the 30-day mortality rate for those patients readmitted versus those patients not readmitted to the hospital after discharge.
Materials and methods
Study design was a retrospective review of registry data comparing readmitted patients to those not readmitted after hip fracture. Setting was a university affiliated level 3 trauma center. Participants: 1,081 patients aged 65 and older. Measurements: rate of readmission, rate of mortality, predictors of readmission.
Results
129 patients (11.9 %) were readmitted to the hospital within 30 days of their initial discharge date. The primary causes of readmission were surgical in nature for 24/129 (18.6 %) patients and 105/129 (81.4 %) were readmitted for medical or other reasons. Twenty-four (18.6 %) patients who were readmitted died during readmission. The one-year mortality rate for patients readmitted within 30 days was 56.2 vs. a 21.8 % 1-year mortality rate for those patients not readmitted (p < 0.0001). Independent predictors of readmission were age >85 (OR = 1.52; p = 0.03), time to surgery >24 h (OR = 1.50; p = 0.05), Charlson score ≥4 (OR = 1.70; p = 0.04), delirium (OR = 1.65; p = 0.01), dementia (OR = 1.61; p = 0.01), history of arrhythmia with pacemaker placement (OR = 1.75; p = 0.02), and presence of a pre-op arrhythmia (OR = 1.62; p = 0.02).
Conclusion
Readmission after hip fracture is harmful and undesirable—18.6 % of readmitted patients died during their readmission and the average length of stay was 8.7 days. Approximately one of every six readmissions was identified as potentially preventable with interventions.
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Acknowledgments
The authors would like to acknowledge assistance provided by Mary Sears, LPN for data management and collection. There was no direct support provided for this study. Partial program support was provided by an unrestricted grant from Synthes Spine paid to the hospital.
Conflict of interest
The hospital program has received institutional support from Synthes Spine to assist with data collection. No direct support of any kind was received for this study.
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Kates, S.L., Behrend, C., Mendelson, D.A. et al. Hospital readmission after hip fracture. Arch Orthop Trauma Surg 135, 329–337 (2015). https://doi.org/10.1007/s00402-014-2141-2
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DOI: https://doi.org/10.1007/s00402-014-2141-2