Perioperative blood transfusions in hip and knee arthroplasty: a retrospective assessment of combined risk factors

Introduction Accurate identification of patients at risk of blood transfusion can reduce complications and improve institutional resource allocation. Probabilistic models are used to detect risk factors and formulate patient blood management strategies. Whether these predictors vary among institutio...

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Published in:Archives of orthopaedic and trauma surgery 2022-08, Vol.142 (8), p.1817-1822
Main Authors: Erben, Hans-Christoph, Hess, Florian, Welter, JoEllen, Graf, Nicole, Steurer, Marc P., Neff, Thomas A., Zettl, Ralph, Dullenkopf, Alexander
Format: Article
Language:English
Subjects:
Blood transfusions
Gender
Hemoglobin
Joint surgery
Medicine
Medicine & Public Health
Orthopaedic Surgery
Orthopedics
Patients
Risk factors
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Summary:Introduction Accurate identification of patients at risk of blood transfusion can reduce complications and improve institutional resource allocation. Probabilistic models are used to detect risk factors and formulate patient blood management strategies. Whether these predictors vary among institutions is unclear. We aimed to identify risk factors among our patients who underwent total hip (THA) or knee (TKA) arthroplasty, and combine these predictors to improve our model. Materials and methods We retrospectively assessed risk factors among 531 adults who underwent elective THA or TKA from January 2016 to November 2018. Using relevant surgical and patient characteristics gathered from electronic medical records, we conducted univariable and multivariable analyses. For our logistic regression model, we measured the impact of independent variables (age, gender, operation type (THA or TKA) and preoperative hemoglobin concentration) on the need for a transfusion. Results Of the 531 patients, 321 had THA (uncemented) and 210 had TKA. For the selected period, our transfusion rate of 8.1% (10.6% THA and 4.3% TKA) was low. Univariable analyses showed that lower BMI ( p  
ISSN:1434-3916
0936-8051
1434-3916
DOI:10.1007/s00402-021-03763-w