AI Article Synopsis

  • The study investigates the risk factors for developing deep vein thrombosis (DVT) in patients over 60 who underwent total knee arthroplasty (TKA) between 2015 and 2022.
  • It analyzes personal and clinical data from 661 patients and finds that factors like preoperative hematocrit levels, anesthesia mode, and diabetes are significant independent risk factors for postoperative DVT.
  • The research concludes that using neuraxial anesthesia for high hematocrit patients may help lower the risk of DVT after surgery.

Article Abstract

Purpose: There is a significant risk of DVT after TKA. We aim to evaluate the potential risk factors for postoperative DVT in the lower extremities in TKA patients over 60 years of age and provide a reference for the effective prevention of DVT.

Methods: This retrospective study included patients older than 60 who underwent TKA surgery in our hospital from May 2015 to May 2022 and compared and analyzed patients' personal characteristics and clinical data with or without postoperative DVT. Logistic regression analysis was performed to determine the potential risk factors for DVT after TKA. The sensitivity and specificity of each risk factor in the diagnosis of DVT were compared by the ROC curve, and the value of this model in the diagnosis of DVT was further investigated using a multivariable combined diagnosis ROC curve model.

Results: A total of 661 patients over 60 who underwent TKA were included. Preoperative Hematocrit (HCT), platelet count, anesthesia mode, postoperative D-dimer, ESR, diabetes mellitus, and other aspects of the DVT group and non-DVT group were statistically significant after TKA (P < 0.05). Multivariate logistics regression analysis showed that preoperative HCT, anesthesia mode, and diabetes were independent risk factors for DVT in patients over 60 years old after TKA. Compared with the univariate ROC model, the multivariable combined ROC curve analysis model has a higher diagnostic value for the diagnosis of DVT.

Conclusion: DVT is common in patients over 60 years of age after TKA, and there is a multivariable influence on its pathogenesis. For patients over 60 with diabetes, neuraxial anesthesia is recommended for patients with high preoperative HCT levels, which may reduce the incidence of postoperative DVT.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10644587PMC
http://dx.doi.org/10.1186/s13018-023-04339-7DOI Listing

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