Observational studyBMC musculoskeletal disorders2024
Modified scarf osteotomy has a possible capability to be indicated against very severe hallux valgus deformity.
Observational study in BMC musculoskeletal disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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10 authors.
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Abstract
backgroundGenerally, scarf osteotomy is recommended for moderate-severe hallux valgus (HV) deformity. Although severe HV deformity is defined to be more than 40 degree (°), this definition of angular setting includes broad range of HV angle (HVA). Actually, very severe HV deformity such as more than 60° of the HVA is often seen. At present, whether scarf osteotomy would truly contribute to maintaining the correction status against such very severe deformity is elusive. Then, in this study corrective effectiveness of modified scarf osteotomy including very severe deformity (HVA ≥ 60°) was evaluated.
methodsA retrospective, observational study of 93 feet [mean follow-up: 56.0 months after the surgery] was performed. Hallux scores of the Japanese Society for Surgery of the Foot (JSSF), a self-administered foot evaluation questionnaire (SAFE-Q), and pre-postoperative radiographic parameters were evaluated. The patients were categorized into three groups [44 feet: (mildly severe) 40° ≤ HVA < 50°, 30 feet: (moderately severe) 50° ≤ HVA < 60°, 19 feet: (very severe) HVA ≥ 60°].
resultsBoth JSSF hallux and SAFE-Q score showed significant improvement in all groups, except social activity score in SAFE-Q, in very severe cases (P = 0.08). HVA also significantly improved in all groups without significant change of the HVA between post 1-month and final follow-up in each groups. No difference was seen among the three groups in complications after surgery and frequency of recurrence of HV deformity.
conclusionModified scarf osteotomy has sufficient potential to be indicated for very severe (HVA ≥ 60°) deformity, but it might be recommended before the HVA reaches > 60° from the perspective of clinical score improvement. LEVEL OF EVIDENCE: Level III.
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