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Article Abstract
Background: Autism spectrum disorder (ASD) is a neurodevelopmental disorder associated with osteoarthritis for which total knee arthroplasty (TKA) may be considered. The safety and efficacy of TKA in patients with ASD had been poorly characterized.
Methods: Total knee arthroplasty patients were identified using the M157 PearlDiver database. Patients with autism spectrum disorder were matched 1:4 with control TKA patients based on age, sex, and Elixhauser Comorbidity Index (ECI). 90-day adverse events were compared by multivariable regression, controlling for age, sex, and ECI. 5-year rates of revision were compared using Kaplan-Meier survival analyses.
Results: Of 1,194,063 TKA patients, ASD was identified in 352 (0.02%). Patients with autism spectrum disorder were younger (60.0 vs. 65.8 years, P < 0.001) with higher ECIs (7.8 vs. 4.2, P < 0.001) than control patients. Patients with autism spectrum disorder had higher odds of aggregated adverse events driven by sepsis (odds ratio [OR] 3.11), pneumonia (OR 3.55), and urinary tract infection (OR 3.02) (P < 0.0036 for each). 5-year revision rates were not significantly different for the matched cohorts (P = 0.8000).
Conclusion: Total knee arthroplasty patients with ASD had elevated odds of several infectious adverse events and may warrant additional perioperative precautions. No notable differences were observed in most adverse outcomes investigated, nor in 5-year implant survival, suggesting that patients with ASD can safely be considered for TKA.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11627478 | PMC |
| http://dx.doi.org/10.5435/JAAOSGlobal-D-24-00134 | DOI Listing |
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