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. 2022 Jul;142(7):1613-1622.
doi: 10.1007/s00402-021-04100-x. Epub 2021 Aug 17.

Surgeons' expectations of osteotomies around the knee

Thekla Esser  1 , Tim Saier  2   3 , Christina Valle  4 , Marcus Schmitt-Sody  4 , Matthias J Feucht  5 , Peter M Prodinger  1   3 , Philipp Minzlaff  6   7
Affiliations

Surgeons' expectations of osteotomies around the knee

Thekla Esser et al. Arch Orthop Trauma Surg. 2022 Jul.

Abstract

Introduction: High tibial osteotomy (HTO) is a valid and joint preserving surgical technique to treat medial degenerative osteoarthritis (OA) in young and active patients. A recent study shows that patients' expectations of osteotomy around the knee are high, but OA progression and potential conversion to a total knee arthroplasty (TKA) were underestimated. The aim of this study was to investigate surgeons' expectations of HTO and to compare the results to the patients' expectations and actual outcomes reported in the literature.

Methods: 461 surgeons were questioned online using the 'Hospital for Special Surgery Knee Surgery Expectations Survey (HFSS-KSES)' and a ten-item non-validated questionnaire to investigate the expectations of HTO. Two subgroups were formed to investigate differences regarding the surgeons' experience. Statistical analysis was performed using IBM SPSS Statistics.

Results: Surgeons' expectations of HTO were rated between very and little important with pain reduction being the most important item on the HFSS-KSES. Furthermore, 'improving the ability to walk', 'to perform daily activities', 'having confidence in the knee', and 'avoiding future degeneration' were rated of high importance. An important difference regarding the experience was the lower expectations on delay/prevention of TKA of less-experienced surgeons.

Conclusion: Surgeons' expectations of HTO are high but nevertheless different to the patients' expectations reported in the literature. Also, expectations for the delay/prevention of TKA differed regarding the experience of surgeons. While pain reduction represents one of the most important items for surgeons and patients, the expected outcome regarding the delay/prevention of a TKA and returning to sports differs to the patients' expectations and to the actual outcome reported in the literature. This should be considered when performing the preoperative informed consent.

Keywords: Expectation; HTO; High tibial osteotomy; Malalignment; Osteoarthritis.

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