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An Anatomical Study of Nerves at Risk During Minimally Invasive Hallux Valgus Surgery
Published on: February 17, 2018
Comparison of Radiographic and Clinical Results After Extended Distal Chevron Osteotomy With Distal Soft Tissue
Jae Hwang Song1, Chan Kang2, Deuk Soo Hwang2
11 Department of Orthopedic Surgery, Konyang University Hospital, Daejeon, South Korea.
Background::
We compared the radiographic and clinical outcomes of moderate and severe hallux valgus treated by extended distal chevron osteotomy (EDCO) and distal soft tissue release (DSTR).
Methods::
We performed a retrospective analysis comparing the utility of EDCO for the treatment of moderate (36 patients, 46 feet) and severe (36 patients, 42 feet) hallux valgus. The radiologic outcomes were evaluated based on the preoperative and 3-year follow-up x-rays. The clinical results were investigated based on the 3-year follow-up Manchester-Oxford Foot Questionnaire (MOXFQ), patient satisfaction, and postoperative complications.
Results::
The mean postoperative intermetatarsal angle, hallux valgus angle, tibial sesamoid position, and relative metatarsal bone length were significantly different compared with the preoperative values for both the moderate and severe groups ( P < .001). At 3-year follow-up, intergroup differences were observed in the mean postoperative intermetatarsal angle ( P = .001), hallux valgus angle ( P = .003), and tibial sesamoid position ( P = .013); however, mean radiographic results were within the normal range for both groups. There were no intergroup differences for either the first metatarsal bone length ( P = .172) or shortening ( P = .621). No significant difference in MOXFQ ( P = .525) was evident between the groups at 3-year follow-up. In satisfaction analysis, 82.6% of the moderate group reported good to excellent results, as did 81.0% of the severe group ( P = .815). A total of 7 complications were reported in each group ( P = 1.000).
Conclusion::
The present study showed that midterm mean radiographic results of both moderate and severe hallux valgus treated by EDCO with DSTR were favorable, and those values were within the normal range. Clinical outcomes were comparable between the 2 groups, including overall efficacy. Based on these results, we recommend EDCO with DSTR as an efficient and reliable operative option for both moderate and severe hallux valgus.
Level Of Evidence::
Level III, retrospective comparative study.
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