Foot Surgery Using Resorbable Magnesium Screws

Tomer Gazit*, Dror Robinson, Kefah Khawalde, Mohammed Eisa, Khaled Qassem, Eyal Heller, Mustafa Yassin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The use of bioabsorbable magnesium (Mg) screws is new in foot surgery. Their relative merit over conventional titanium screws has not yet been proven. This prospective case series study was conducted to compare the clinical and radiological outcomes of bioabsorbable Mg screws and titanium screws. A consecutive series of patients (n = 60; 11 men and 49 women) underwent corrective hallux valgus surgery. The minimum follow-up period was 1 year. The assessment was based on a patient questionnaire, including the American Orthopedic Foot and Ankle Society (AOFAS) hallux valgus score, visual analog scale, patient's global impression of change (PGIC), and fifth metatarsus circumference (IF5C). The radiographic assessment included the intermetatarsal and hallux valgus angles, as well as time to osteotomy union and hardware failure. At 1 year, similar results were obtained radiographically. The healing of the osteotomies was significantly faster in the Mg group. Hardware failure was common in the Mg group (5/26) than in the TI group (0/34) but hardware removal was more common in the TI group (6/34) versus the MG group (0/26). IF5C increased by 8 ± 2 mm in the Mg group. The AOFAS and PGIC scores at 6 months were similar. Validated foot scores and radiographic analysis indicated that there was no detectable difference between the groups. The fast achievement of osteotomy union compensates for a high rate of hardware failure, resulting in patient satisfaction and avoiding reoperation for hardware removal.

Original languageEnglish
Pages (from-to)79-84
Number of pages6
JournalJournal of Foot and Ankle Surgery
Volume63
Issue number1
DOIs
StatePublished - 1 Jan 2024

Keywords

  • 3
  • hallux valgus
  • magnesium
  • osteotomy
  • resorbable

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