Incidence of Floating Toe After Distal Minimally Invasive Metatarsal Osteotomy with Pin Osteosynthesis for the Treatment of Metatarsalgia and Rigid Hammertoe
Abstract
Introduction: Central metatarsalgia is a common cause of forefoot pain. The most common surgical treatment is Weil osteotomy and the most popular percutaneous technique is distal minimally invasive metatarsal osteotomy (DMMO). However, the main disadvantage of these techniques is the appearance of floating toes, which is even greater when associated with proximal interphalangeal arthrodesis. In this series of cases, DMMO was combined with a pin to elevate the center of rotation of the metatarsal head with the aim of reducing the presence of floating toes. Our main hypothesis was that this technique would result in a lower presence of floating toes in patients diagnosed with mechanical metatarsalgia and rigid hammertoe, compared to Weil osteotomies. Materials and Methods: A retrospective observational study was carried out on consecutive adult patients diagnosed with mechanical metatarsalgia and rigid hammertoe. DMMO was performed with pin fixation in combination with proximal interphalangeal (PIP) arthrodesis. Finally, the presence of floating toes was compared with a group of patients operated on with the Weil technique and PIP arthrodesis. Results: A total of 39 DMMOs with PIP arthrodesis were performed. The percentage of floating toes was 31% . There was no statistically significant difference compared to the Weil technique (36%, p = 0.634). Conclusion: DMMO for elevation of the center of rotation associated with PIP arthrodesis fixed with a pin did not provide a lower incidence of floating toes compared to Weil osteotomy.Downloads
References
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