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Foot & Ankle

OUTCOME OF STRESS METATARSAL FRACTURES IN PERIPHERAL NEUROPATHIC PATIENTS

British Orthopaedic Foot & Ankle Society (BOFAS)



Abstract

Background and objective

Metatarsals stress fractures are common in athletes and dancers. Occasionally, such fractures could occur without trauma in peripheral neuropathic patients. There is no published series describing outcome of stress fractures in these patients. This study analyse these fractures, treatment and outcome.

Material and Method

Retrospective study, January 2005 to December 2010. From a total of 324 patients with metatarsal fractures, 8 patients with peripheral neuropathy presented with second metatarsal non-traumatic fractures. Fractures were initially treated in cast for more than three months but failed to heal. Subsequently, this led to fractures of 3rd, 4th and 5th metatarsals.

All patients remained clinically symptomatic due to fracture non-union. Operative treatment with bone graft and plating was used. Postoperatively below knee plaster and partial weight bearing for 12 weeks. Clinical and radiological surveillance continued until bone union.

Results

There were 2 male and 6 female patients, age (24–83). 22 metatarsals had clinical and radiological union. 1 patient needed 1st tarsometatarsal joint fusion along with metatarsals fractures fixation. This patient developed deep infection and required below knee amputation. 2 patients required metalwork removal. Patient's satisfaction score was 8/10.

Conclusion

Our review suggests low energy metatarsal stress fractures treated nonoperatively provide limited success. Timely surgical intervention and internal fixation proved to be a valid treatment option.