Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population

Abstract Purpose Despite increased utilization of unicompartmental knee arthroplasty (UKA) for unicompartmental knee osteoarthritis, outcomes in Medicare patients are not well-reported. The purpose of this study is to analyze practice patterns and outcome differences between UKA and TKA in the Medic...

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Autores principales: Brandon L. Morris, Jack M. Ayres, Daniel Reinhardt, Armin Tarakemeh, Scott Mullen, J. Paul Schroeppel, Bryan G. Vopat
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Publicado: SpringerOpen 2021
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spelling oai:doaj.org-article:a57361fbc00c4052a10fb42f3327d57e2021-11-14T12:27:28ZUnicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population10.1186/s40634-021-00390-72197-1153https://doaj.org/article/a57361fbc00c4052a10fb42f3327d57e2021-11-01T00:00:00Zhttps://doi.org/10.1186/s40634-021-00390-7https://doaj.org/toc/2197-1153Abstract Purpose Despite increased utilization of unicompartmental knee arthroplasty (UKA) for unicompartmental knee osteoarthritis, outcomes in Medicare patients are not well-reported. The purpose of this study is to analyze practice patterns and outcome differences between UKA and TKA in the Medicare population. It is hypothesized that UKA utilization will have increased over the course of the study period and that UKA will be associated with reduced opioid use and lower complication rates compared to TKA. Methods Using PearlDiver, the Humana Claims dataset and the Medicare Standard Analytic File (SAF) were analyzed. Patients who underwent UKA and TKA were identified by CPT codes. Postoperative complications were identified by ICD-9/ICD-10 codes. Opioid use was analyzed by the number of days patients were prescribed opioids postoperatively. Survivorship was defined as conversion to TKA. Results In the Humana dataset, 7,808 UKA and 150,680 TKA patients were identified. 8-year survivorship was 87.7% (95% CI [0.861,0.894]). Postoperative opioid use was significantly higher after TKA (186.1 days) compared to UKA (144.7 days) (p < 0.01, Δ = 41.1, 95% CI = [30.41, 52.39]). In the SAF dataset, 20,592 UKA patients and 110,562 TKA patients were identified. Survivorship was highest in patients > 80 years old and lowest in patients < 70 years old. In both datasets, postoperative complication rates were higher in TKA patients compared to UKA patients in nearly all categories. Conclusions UKA represents an increasingly utilized treatment for osteoarthritis in the Medicare population and may be comparatively advantageous to TKA due to reduced opioid use and complication rates after surgery. Level of evidence Level IIIBrandon L. MorrisJack M. AyresDaniel ReinhardtArmin TarakemehScott MullenJ. Paul SchroeppelBryan G. VopatSpringerOpenarticleUnicompartmental knee arthroplastyTotal knee arthroplastyOpioidPostoperative complicationMedicareDatabaseOrthopedic surgeryRD701-811ENJournal of Experimental Orthopaedics, Vol 8, Iss 1, Pp 1-18 (2021)
institution DOAJ
collection DOAJ
language EN
topic Unicompartmental knee arthroplasty
Total knee arthroplasty
Opioid
Postoperative complication
Medicare
Database
Orthopedic surgery
RD701-811
spellingShingle Unicompartmental knee arthroplasty
Total knee arthroplasty
Opioid
Postoperative complication
Medicare
Database
Orthopedic surgery
RD701-811
Brandon L. Morris
Jack M. Ayres
Daniel Reinhardt
Armin Tarakemeh
Scott Mullen
J. Paul Schroeppel
Bryan G. Vopat
Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
description Abstract Purpose Despite increased utilization of unicompartmental knee arthroplasty (UKA) for unicompartmental knee osteoarthritis, outcomes in Medicare patients are not well-reported. The purpose of this study is to analyze practice patterns and outcome differences between UKA and TKA in the Medicare population. It is hypothesized that UKA utilization will have increased over the course of the study period and that UKA will be associated with reduced opioid use and lower complication rates compared to TKA. Methods Using PearlDiver, the Humana Claims dataset and the Medicare Standard Analytic File (SAF) were analyzed. Patients who underwent UKA and TKA were identified by CPT codes. Postoperative complications were identified by ICD-9/ICD-10 codes. Opioid use was analyzed by the number of days patients were prescribed opioids postoperatively. Survivorship was defined as conversion to TKA. Results In the Humana dataset, 7,808 UKA and 150,680 TKA patients were identified. 8-year survivorship was 87.7% (95% CI [0.861,0.894]). Postoperative opioid use was significantly higher after TKA (186.1 days) compared to UKA (144.7 days) (p < 0.01, Δ = 41.1, 95% CI = [30.41, 52.39]). In the SAF dataset, 20,592 UKA patients and 110,562 TKA patients were identified. Survivorship was highest in patients > 80 years old and lowest in patients < 70 years old. In both datasets, postoperative complication rates were higher in TKA patients compared to UKA patients in nearly all categories. Conclusions UKA represents an increasingly utilized treatment for osteoarthritis in the Medicare population and may be comparatively advantageous to TKA due to reduced opioid use and complication rates after surgery. Level of evidence Level III
format article
author Brandon L. Morris
Jack M. Ayres
Daniel Reinhardt
Armin Tarakemeh
Scott Mullen
J. Paul Schroeppel
Bryan G. Vopat
author_facet Brandon L. Morris
Jack M. Ayres
Daniel Reinhardt
Armin Tarakemeh
Scott Mullen
J. Paul Schroeppel
Bryan G. Vopat
author_sort Brandon L. Morris
title Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
title_short Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
title_full Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
title_fullStr Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
title_full_unstemmed Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population
title_sort unicompartmental knee arthroplasty: a pearldiver study evaluating complications rates, opioid use and utilization in the medicare population
publisher SpringerOpen
publishDate 2021
url https://doaj.org/article/a57361fbc00c4052a10fb42f3327d57e
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