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  • Title: Selective Early Hospital Discharge Does Not Increase Readmission but Unnecessary Return to the Emergency Department Is Excessive Across Groups After Primary Total Knee Arthroplasty.
    Author: Rossman SR, Reb CW, Danowski RM, Maltenfort MG, Mariani JK, Lonner JH.
    Journal: J Arthroplasty; 2016 Jun; 31(6):1175-1178. PubMed ID: 26775064.
    Abstract:
    BACKGROUND: There has been much attention paid to the ability to optimize outcomes, limit complications, and reduce costs within the episode of care after total joint arthroplasty. Limiting the duration of postoperative hospitalization as well as reducing emergency department (ED) visits and readmissions are additional considerations in the paradigm of cost containment. Our purpose was to evaluate the safety of early hospital discharge after primary total knee arthroplasty (TKA) and to identify the diagnoses responsible for ED visits and readmissions in the postoperative period. METHODS: We investigated risk factors for readmission in 995 patients undergoing primary TKA. We compared 2 groups: length of hospital stay (LOS) ≤2 or ≥3 days. Analysis included LOS, Charlson score, history of DVT, discharge disposition, and postdischarge ED visits. RESULTS: Patients who stayed ≤2 postoperative days had a significantly lower mean Charlson score and more likely discharged home. Charlson score and history of DVT were predictive of return events. Patients discharged to home were less likely to have return events. More than half of the patients evaluated in the ED were not readmitted. CONCLUSION: Among patients undergoing primary TKA, it is the health of the patient, and not their resultant LOS, that correlates to return events. The ED is overused for complaints that may otherwise be managed as effectively and more cost efficiently in outpatient settings. Cost containment must include unnecessary utilization of the ED.
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