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- W2528292145 abstract "Category: Bunion Introduction/Purpose: Male hallux valgus (HV) is less common and more severe than in females, and has been reported to be associated with higher Distal Metaphyseal Articular Angle (DMAA). Although valgus-producing osteotomies should increase DMAA, this has not been documented. This study evaluated the results of a translational osteotomy that counter-rotates the distal metatarsal articular surface in a varus direction to re-align the articular surface, and correct the DMAA. Methods: Prospectively collected pre-op and post-op data on 26 males with HV were retrospectively reviewed, at a minimum one-year followup. Radiographic data included hallux valgus (HVA), first-second intermetatarsal (IMA) angles, DMAA, medial sesamoid position (MSP), and first MTPJ congruence. Clinical outcomes included Visual Analog Score (VAS), SF-36, and AOFAS forefoot score. MTP range of motion (ROM) was measured. Preoperative radiographic and clinical data were compared to previously published cohort of female patients for the same measures. Paired t-tests compared clinical and radiographic outcomes pre- and postoperatively. Bowker’s Test was used to compare the rate of joint congruence. An alpha of 0.05 was considered significant. Student t-test and Fisher’s Exact Test were for comparison between males and females. Mean age of males with HV was 53.8 (SD=17.7), mean follow-up was 1.68 years. Results: Mean radiographic improvement: HVA 36.5º to 15.3º (P=0.0001); IMA 15.9 to 8.1 (P=0.0001); DMAA 13.3º to 6.4º (P=0.0003); MSP 2.8 to 1.2 (P=0.0001); congruence 4/26 to 22/26 (P=0.0001). Mean clinical improvements: VAS 5.7 to 1.0 (P=0.0001); AOFAS 49.6 to 84.7 (P=0.0001); SF36-P 44.7 to 51.2 (P=0.0004). MTP dorsiflexion decreased 58.3º to 51.8º (P=0.0276); plantarflexion 5.8º to 3.0º (P=0.0217). Higher mean preoperative angles in males versus females: HVA 35.8º versus 29º (P=0.0016); IMA 15.9º versus 13.0º, (P=0.0002), MSP 2.7 versus 2.5 (P=0.2012). No difference in DMAA, 13.6 versus 16.4 (P=0.2551). Congruence in males lower (5/27 versus 22/40, P=0.0048). No difference in VAS (5.6 versus 6.3, P=0.1767), AOFAS (50 versus 47.9, P=0.5085), SF-36p (45.1 versus 42.4, P=0.2656), dorsiflexion (57.9º versus 49.4º, P=0.0728), plantarflexion (5.8º versus 4.8º, P=0.7204). Conclusion: Prior studies reported the results of mixes of surgical procedures. This is the first large series of adult male HV treated with a single procedure, and the first using this counter-rotational modification of the Scarf osteotomy. The modified Scarf osteotomy combines translation varus counter-rotation to direct the articular surface more medially, explaining decreased DMAA, and with excellent radiographic and clinical outcomes. We demonstrate excellent radiographic and clinical outcomes in a large group of male HV treated with translational osteotomies." @default.
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- W2528292145 date "2016-08-01" @default.
- W2528292145 modified "2023-09-26" @default.
- W2528292145 title "Male Hallux Valgus Corrected by Translational Osteotomy of First Metatarsal" @default.
- W2528292145 doi "https://doi.org/10.1177/2473011416s00059" @default.
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