Long-Term Mortality Trends After Total Hip and Knee Arthroplasties: A Population-Based Study

The Journal of Arthroplasty
Hilal Maradit KremersDaniel J Berry

Abstract

Mortality after total hip and knee arthroplasty is lower than that in the general population, but it is unknown whether there are differences by surgery type, demographics, and calendar year. Our objective was to evaluate trends and determinants of long-term mortality among patients with total hip and knee arthroplasties. Using a historical cohort study design, we passively followed up population-based cohorts of total hip and total knee arthroplasty patients with degenerative arthritis who underwent surgery between January 1, 1969 and December 31, 2008. Patients were followed up until death or August 31, 2014. Observed and expected survival was compared using standardized mortality ratios (SMRs). Poisson regression models were used to examine relative mortality patterns by surgery type, age, sex, calendar year, and time since surgery. The overall age- and sex-adjusted mortality was significantly lower than that in the general population after both total hip (SMR: 0.82, 95% CI: 0.76-0.88) and total knee (SMR = 0.80, 95% CI: 0.75-0.86) arthroplasties. Despite the low relative mortality within the first 8 years of surgery, we observed a worsening of relative mortality beyond 15 years after total knee arthroplasty surgery. Both sh...Continue Reading

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Sep 4, 2015·The Journal of Bone and Joint Surgery. American Volume·Hilal Maradit KremersDaniel J Berry

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Citations

Feb 2, 2018·Clinical Orthopaedics and Related Research·Jie J YaoDavid G Lewallen
Aug 11, 2017·International Journal of Environmental Research and Public Health·Peter CnuddeOla Rolfson
Jul 22, 2018·Revista Brasileira De Ortopedia·Marcio de Castro FerreiraRene Jorge Abdalla
Oct 12, 2018·Age and Ageing·Seung Hee WooSeung Ju Kim
May 29, 2019·Clinical Orthopaedics and Related Research·Ian A HarrisStephen E Graves
Mar 1, 2018·Clinical Orthopaedics and Related Research·Peter CnuddeSzilard Nemes
Feb 10, 2021·The Journal of Arthroplasty·Mitzi S LaughlinAnay R Patel

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