Proximal fibular osteotomy: Systematic review on its outcomes

Munis Ashraf, Prabhudev Prasad Purudappa, Vishaal Sakthivelnathan, Senthilnathan Sambandam, Varatharaj Mounsamy

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND The morbidity and burden of knee osteoarthritis affecting millions of lives worldwide has created a constant pursuit in finding the ideal treatment for knee osteoarthritis. There has been a paradigm shift in the surgical treatment of osteoarthritis ever since the initial description of Volkmann’s tibial osteotomy. This review focuses on one such recent procedure, the proximal fibular osteotomy (PFO) for medial compartment knee osteoarthritis. This review encompasses the history, evidence, risk factors, outcomes and technical considerations of PFO. AIM To understand the evidence and its techniques, and whether this could be an alternative solution to the problem of knee osteoarthritis in the developing world. METHODS The phrases “proximal fibular osteotomy” and “knee osteoarthritis” were searched (date of search December 20, 2019) on PubMed to identify articles evaluating the biomechanical and clinical outcomes of PFO in patients with knee osteoarthritis. A total of 258 were retrieved. After reviewing the summary of the texts, 22 articles written in English were marked for abstract review. Articles that were case studies or cadaver experiments were excluded. The abstracts of the remaining articles were read, and only those that focused on the history, outcomes of case studies and technical considerations of PFO were included in the review. A total of 12 articles were included in this review. RESULTS At least six studies reported improvement in the visual analogue scale(VAS) from the average preoperative VAS score [6.32, 95% confidence interval (CI) = (4.05, 8.59)] to average postoperative VAS score [1.23, 95%CI: (-1.20, 3.71)], which was statistically significant. Similarly, the American Knee Society Score (KSS) functional score improved from an average preoperative KSS functional score [43.11, 95%CI: (37.83, 48.38)] to postoperative KSS functional score [66.145, 95%CI: (61.94, 70.35)], which was statistically significant. The femorotibial angle improved by around 7°, and the hip knee ankle angle improved by around 6°. CONCLUSION With the existing data, it seems that PFO is a viable option for treating medial joint osteoarthritis in selected patients. Long term outcome studies and progression of disease pathology are some of the important parameters that need to be addressed by use of multicenter randomized controlled trials.

Original languageEnglish (US)
Pages (from-to)499-506
Number of pages8
JournalWorld Journal of Orthopedics
Volume11
Issue number11
DOIs
StatePublished - Nov 2020
Externally publishedYes

Keywords

  • Functional outcome
  • High tibial osteotomy
  • Knee osteoarthritis
  • Orthopedic
  • Proximal fibular osteotomy

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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