Role of pulsed electromagnetic fields in recalcitrant non-unions.
Twenty-nine patients of recalcitrant nonunion of long bones were treated by pulsed electromagnetic fields in an attempt to bring about osteogenesis. The pulse used was rectangular, equal mark space wave in the astable, continuous mode operating at a frequency of 40 Hertz. The success rate was 82.5%. The result was not dependent on the age, sex, time of nonunion or the presence of infection. However, the results were uniformly poor when infection and fracture instability were coexistent in the same patient.
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D000328:Adult; D000368:Aged; D004574:Electromagnetic Fields; D055590:Electromagnetic Phenomena; D005069:Evaluation Studies as Topic; D005260:Female; D005599:Fractures, Ununited / Q000000981:diagnostic imaging / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010012:Osteogenesis; D011859:Radiography