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Infections after high tibial open wedge osteotomy: a case control study.
Nikolaus Reischl1, Peter Wahl, Matthias Jacobi
1Department of Orthopaedic Surgery, Cantonal Hospital, Fribourg, Switzerland. reischln@h-fr.ch
Archives of Orthopaedic and Trauma Surgery
|November 14, 2008
Summary
The oblique incision technique for high tibial osteotomy (HTO) is linked to a higher risk of surgical site infection. Surgeons should carefully weigh the benefits against the infection risk associated with this approach.
Area of Science:
- Orthopedic surgery
- Knee osteoarthritis treatment
Background:
- High tibial open wedge osteotomy (HTO) is common for knee osteoarthritis.
- The choice of skin incision (longitudinal vs. oblique) may impact outcomes.
Purpose of the Study:
- To analyze risk factors for surgical site infection after HTO.
- To compare infection rates between longitudinal and oblique skin incisions.
Main Methods:
- Retrospective analysis of 110 HTO cases from January 2000 to June 2006.
- Categorization of incisions into standard longitudinal and oblique approaches.
Main Results:
- Four surgical site infections occurred in 110 HTO procedures.
- All infections were associated with the oblique incision (20 cases).
- Oblique incision showed a statistically significant association with infection (P=0.001).
Conclusions:
- The oblique incision is significantly associated with increased infection risk after HTO.
- Causality cannot be proven, but careful risk-benefit evaluation is advised for oblique incisions.
