ArticleArchives of orthopaedic and trauma surgery2025
What effect does a perioperative aspiration event have on total joint arthroplasty outcomes?
Article in Archives of orthopaedic and trauma surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionPrevious studies have identified perioperative gastric aspiration events as a contributor to varying outcomes following orthopedic trauma patients. However, current literature does not report on the effect an aspiration event has on outcomes for patients undergoing total hip arthroplasty (THA) or total knee arthroplasty (TKA), nor do current studies identify risk factors for perioperative aspiration events. MATERIALS AND
methodsWe retrospectively reviewed patients who underwent primary, unilateral total joint arthroplasty (TJA) from May 2011 to December 2021. Patients undergoing primary THA/TKA for fracture and oncological indications were excluded. A total of 35,108 patients were stratified according to no aspiration event (35,077 patients) or perioperative aspiration event (intraoperative, day zero, to day seven, 31 patients). Patient demographics and clinical outcomes data were collected and compared.
resultsThe perioperative aspiration group had a higher average Charlson Comorbidity Index (CCI) (4.03 vs. 2.96, p = 0.008). The aspiration group was more likely to be placed in a lateral decubitus position (54.8% vs. 30.5%, p = 0.003). Patients experiencing an aspiration event had a longer length of stay (LOS) (5.74 vs. 2.66, p < 0.001) and lower rates of home discharge (58.1% vs. 82.5%; p < 0.001). No difference in adverse outcomes such as rate of readmission, revision, and mortality were observed between groups. Multivariable regressions did not show significantly higher odds of aspiration based on surgery type, positioning, or any other demographic factors.
conclusionThis study demonstrates that patients experiencing a perioperative aspiration event during or immediately following TJA do not incur higher rates of readmission, revision, or mortality if treated in a timely manner. However, they do incur longer LOS and higher non-home discharge rates. Further research can explore non-demographic risk factors for perioperative aspiration.
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