Shortened hospital length of stay and lower costs associated with rivaroxaban in patients with pulmonary embolism managed as observation status.

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Shortened hospital length of stay and lower costs associated with rivaroxaban in patients with pulmonary embolism managed as observation status.

Int J Clin Pract. 2017 Jan;71(1):

Authors: Weeda ER, Peacock WF, Fermann GJ, Baugh CW, Wells PS, Ashton V, Crivera C, Wildgoose P, Schein JR, Coleman CI

Abstract
BACKGROUND: Unlike rivaroxaban, treatment of patients with pulmonary embolism (PE) with warfarin requires parenteral bridging and coagulation monitoring that may prolong length-of-stay (LOS) and increase hospital costs.
AIMS: The aim of this study was to compare LOS, hospital costs and readmissions in PE patients managed through observation stays treated with rivaroxaban or parenterally bridged warfarin.
METHODS: Premier Hospital claims data from November 2012 to March 2015 were used to identify patients with a primary diagnosis code for PE managed through an observation stay and with ≥1 claim for a PE-related diagnostic test on day 0-2. Rivaroxaban users, allowing ≤2 days of prior parenteral therapy, were 1:1 propensity-score matched to patients receiving parenterally bridged warfarin. LOS, the proportion of encounters lasting >2 midnights, total hospital costs of the index visit and risk of readmission for venous thromboembolism (VTE) or major bleeding during the same month or 2 months subsequent to the index event were compared between matched cohorts using multivariable regression.
RESULTS: A total of 312 rivaroxaban users were matched to 312 patients receiving parenterally bridged warfarin. Rivaroxaban was associated with an average of 0.27-day shorter LOS, a 52% decreased odds of an encounter lasting >2 midnights and a $403 mean reduction in costs vs parenterally bridged warfarin (P≤.002 for all). The readmission rate for VTE during the same or subsequent 2 months following the index PE was similar between cohorts (P=.75). No patient in either cohort was readmitted for major bleeding.
CONCLUSION: Rivaroxaban was associated with shortened LOS and lowered cost vs parenterally bridged warfarin in PE observation stay patients, without increases in the short-term rate of complications or readmission.

PMID: 28097761 [PubMed - in process]

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