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- Title
Risk factors for reoperation due to periprosthetic joint infection after elective total hip arthroplasty: a study of 35,056 patients using linked data of the Swedish Hip Arthroplasty Registry (SHAR) and Swedish Perioperative Registry (SPOR).
- Authors
Qvistgaard, Maria; Nåtman, Jonatan; Lovebo, Jenny; Almerud-Österberg, Sofia; Rolfson, Ola
- Abstract
<bold>Background: </bold>In Sweden, the incidence of a prosthetic joint infection (PJI) after a planned Total Hip Arthroplasty (THA) is 1.3%, but the worldwide incidence of PJI after THA is unknown. This study explores associations between reoperation due to PJI and potential risk factors.<bold>Methods: </bold>Primary elective THA surgery registered in both the Swedish Hip Arthroplasty Registry (SHAR) and the Swedish Perioperative Registry (SPOR) between 1 January 2015 and 31 December 2019 were included in this registry study, resulting in a total study population of 35,056 cases. The outcome variable was reoperation as the result of PJI within a year after surgery. Data were analysed using a multivariable Cox regression model.<bold>Results: </bold>Reoperation due to PJI occurred in 460 cases (i.e., 1.3% of the study population). Each year of age increased the risk with 2% (HR 1.02 Cl 1.01, 1.03 P = < 0.001). Compared to men, women had significantly less risk for reoperation (HR 2.17 Cl 1.79, 2.53 P = < 0.001). For patients with obesity (BMI > 30), the risk increased considerably compared to underweight, normal weight, or overweight patients (HR 1.89 Cl 1.43, 2.51 P = < 0.001). The risk also increased by 6% for every 10 min of operative time (HR 1.06 Cl 1.02, 1.09 P = < 0.001). Patients having general anaesthesia had greater risk compared to those with spinal anaesthesia (HR 1.34 Cl 1.04, 1.73 P = 0.024). Finally, a lateral approach showed higher risk of reoperation than a posterior approach (HR 1.43 Cl 1.18, 1.73 P = < 0.001).<bold>Conclusion: </bold>Recognition of the several risk factors identified in this study will be important for the perioperative management of patients undergoing THA.
- Subjects
SWEDEN; TOTAL hip replacement; REOPERATION; JOINT infections; ELECTIVE surgery; ARTIFICIAL joints; ACQUISITION of data; INFECTION; QUESTIONNAIRES; PROSTHESIS-related infections
- Publication
BMC Musculoskeletal Disorders, 2022, Vol 23, Issue 1, p1
- ISSN
1471-2474
- Publication type
journal article
- DOI
10.1186/s12891-022-05209-9