Short Term Radiographic and Patient Outcomes of a Biplanar Plating System for Triplanar Hallux Valgus Correction

Kshitij Manchanda, Alice Chang, Blake Wallace, Junho Ahn, Yin Xi, George T. Liu, Katherine Raspovic, Michael Van Pelt, Avneesh Chhabra, Dane Wukich, Trapper Lalli

Research output: Contribution to journalArticlepeer-review

Abstract

Hallux valgus is a complex deformity with a variety of techniques described for correction. A biplanar plating system for triplanar correction system has been developed to address both the translation and rotational component of the hallux valgus deformity and allow an accelerated weightbearing protocol. The purpose of this study was to determine the correction and complications using radiographic parameters and patient reported outcomes. We sought to determine prognostic factors for successful correction, including age, gender, and preoperative deformity. From the medical records, we collected preoperative data. Patient-reported outcomes were obtained using AOFAS Hallux Metatarsophalangeal-Interphalangeal score, FAAM, and SF-12 scores preoperatively and postoperatively. Imaging was reviewed at preoperative and postoperative visits to determine hallux valgus angle, intermetatarsal angle, and tibial sesamoid position. Fifty-seven procedures, in 55 patients, were performed. There were 7 complications and mean follow-up time was 45.7 weeks (+ 28.3 weeks). Age over 62.5 years were associated with an increased risk of complications (p = .018). Males had an increased rate of complications (71%) compared with females. Radiographic parameters were significantly improved from preoperative values at alltime points (p < .05). Only the AOFAS Hallux Metatarsophalangeal-Interphalangeal score was statistically significant at 3, 6 and 12 months. We sought to determine the effectiveness of biplanar plating and triplanar correction procedure with early weightbearing. Over a 12 month follow-up period, our results showed significant improvement in deformity and maintained correction. AOFAS Hallux Metatarsophalangeal-Interphalangeal scores significantly improved from the preoperative to the postoperative state. Our results show a nonunion rate of 5.2%, which is comparable to prior studies.

Original languageEnglish (US)
Pages (from-to)461-465
Number of pages5
JournalJournal of Foot and Ankle Surgery
Volume60
Issue number3
DOIs
StatePublished - May 1 2021

Keywords

  • 4
  • bunion
  • hallux valgus
  • lapidus
  • metatarsus primus varus
  • triplane correction

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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