ArticleFoot & ankle orthopaedics2025
Minimally Invasive Fifth Metatarsal Osteotomy and Bunionette Removal for Recurrent Diabetic Foot Ulcers: A Case Series.
Article in Foot & ankle orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Diabetic forefoot ulcers often result from increased pressure on bony prominences, neuropathy, and poor limb perfusion. The management of these ulcers, particularly when infected, is challenging and can often lead to minor or even major amputation. This study aims to evaluate the efficacy and safety of minimally invasive surgical offloading of recurrent diabetic ulcers of the fifth metatarsal by minimally invasive fifth metatarsal osteotomy and bunionette removal. Methods: A retrospective case series study was conducted of patients who underwent surgical treatment for diabetic foot ulcers on the lateral or plantar side of the fifth metatarsal head between January 2020 and May 2025. Outcomes included time to healing of the primary ulcer and surgical wound, ulcer recurrence, postoperative complications, and reoperation rates. Clinical and radiologic parameters of the feet were assessed, and patient satisfaction Coughlin scores were collected. Results: Ten feet from 9 patients who did not respond successfully to conservative offloading were included. The mean age of the patients was 69.5 years. Five feet were classified as Wagner grade 3 wounds, and 4 as Wagner grade 2 wounds. The ulcers healed completely in a mean time of 9.8 weeks postoperatively. Two patients required 6 weeks of antibiotic treatment because of preexisting osteomyelitis. One postoperative infection occurred. There were no corrective failures, and all patients returned to wearing orthopaedic shoes postoperatively. The overall patient satisfaction using the Coughlin satisfaction score was "good" to "excellent." Conclusion: Minimally invasive fifth metatarsal osteotomy with bunionette removal appears safe and effective for treating refractory diabetic ulcers of the fifth metatarsal head, including cases with active infection. However, larger studies with functional outcomes are needed to establish definitive treatment guidelines. Level of Evidence: Level IV, case series.
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