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The effect of day of discharge on hospital readmission after minimally invasive partial nephrectomy
Lahey Hospital and Medical Center, Burlington, Massachusetts, USA // University of Michigan, Ann Arbor, Michigan, USA
Apr  2022 (Vol.  29, Issue  2, Pages( 11080 - 11086)
PMID: 35429426


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  • Introduction:

    To assess the association between postoperative discharge day after minimally invasive partial nephrectomy with 30-day readmission rates, and specifically compare postoperative day 1 to postoperative day 2 discharge. We hypothesized that discharge on earlier postoperative days would be associated with higher rates of readmission after partial nephrectomy.

    Materials and methods:

    The National Cancer Database was queried for patients undergoing minimally invasive partial nephrectomy for non-metastatic disease without chemo or radiation therapy from 2010-2014. Readmission rates were compared between postoperative discharge days. Multivariable logistic regression was used to analyze variables associated with 30-day readmission.


    A total of 19,300 patients undergoing minimally invasive partial nephrectomy were included, comprising patients discharged on postoperative day 0 (POD0) (n = 601, 3%), POD1 (n = 2,999, 16%), POD2 (n = 6,866, 36%), POD3 (n = 4,568, 24%), POD4 (n = 2,068, 11%), and POD5 or later (n = 2,198, 11%). Rates of 30-day readmission were similar between POD0, POD1 and POD2 discharges (1.8%, 1.9%, 2.2%, respectively), but were higher for discharges on POD3 or later (POD3 3.0%, POD4 4.9%, POD5 or greater 5.5%). On multivariable analysis, odds of 30-day readmission were similar between POD0 (OR 0.83 [95%CI 0.45-1.55], p = 0.56) and POD1 (OR 0.84 [95%CI 0.62-1.15], p = 0.28) compared to discharge on POD2.


    Patients discharged on POD2 are not readmitted any less frequently than patients discharged on POD0 or POD1. Implementing protocols with POD1 as the default discharge day after partial nephrectomy should be considered. Future studies designing and evaluating safe and acceptable implementation strategies for these protocols are necessary.