Surgical Treatment of Mild to Severe Hallux Valgus Deformities With a Percutaneous Subcapital Osteotomy Combined With a Lateral Soft Tissue Procedure.

Maniglio, Mauro; Fornaciari, Paolo; Bäcker, Henrik; Gautier, Emanuel; Lottenbach, Marc (2019). Surgical Treatment of Mild to Severe Hallux Valgus Deformities With a Percutaneous Subcapital Osteotomy Combined With a Lateral Soft Tissue Procedure. Foot & ankle specialist - FAS, 12(2), pp. 138-145. Sage 10.1177/1938640018770582

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Distal metatarsal (MT) osteotomies have been used in mild or moderate cases of hallux valgus (HV) and proximal MT osteotomy has been considered the treatment of choice for severe deformities. A distal osteotomy could achieve a greater degree of correction by the addition of a distal soft-tissue procedure and be used to treat also severe deformity. Limited evidence about the use of the percutaneous subcapital osteotomy (SCOT); a type of MT osteotomy, in combination of a soft tissue procedure, is available. We evaluated this procedure routinely used in our clinic. A total of 30 consecutive patients treated in our hospital from September 2012 to April 2015 with SCOT combined with lateral soft tissue release were included in this retrospective review. Outcomes assessed included radiological parameters: HV angle (HVA) and intermetatarsal angle (IMA), clinical evaluation using the American Orthopaedic Foot and Ankle Society (AOFAS) score, and complication rate. In 12 of the 30 patients included, the pathology was bilateral, comprising a total of 42 cases. The overall correction of the angles was statistically significant (P < .001), changing from a HVA of 28.2° and IMA of 13.5° preoperatively to 8.0° and 6.0° postoperatively, respectively. The cases were divided into mild-moderate (34/42) and severe (8/42). Both groups showed a statistically significant correction in the angles, 3 months after surgery (P < .001). The AOFAS score showed a median of 49 points (n = 24) preoperatively and of 95 points (n = 40) at the end of follow-up. The complication rate at end of follow-up was 19% (8/42). After a minimum follow-up of 1 year, our technique for HV correction results in a clinically relevant improvement of the radiological parameters and AOFAS score in mild to severe deformities. Combination with lateral release could be a meaningful surgical alternative for the treatment of severe cases to help decrease the risk of recurrence. Levels of Evidence: Level IV.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Orthopaedic Surgery
UniBE Contributor:	Maniglio, Mauro
Subjects:	600 Technology > 610 Medicine & health
ISSN:	1938-7636
Publisher:	Sage
Language:	English
Submitter:	Kathrin Aeschlimann
Date Deposited:	20 Aug 2019 11:36
Last Modified:	05 Dec 2022 15:29
Publisher DOI:	10.1177/1938640018770582
PubMed ID:	29652186
Uncontrolled Keywords:	bunions diagnostic and therapeutic techniques foot surgery techniques forefoot hallux abducto valgus midfoot toe
URI:	https://boris.unibe.ch/id/eprint/132052