Résumé
The sciatic nerve injury due to buttock injection is a serious complication. This study is assessment of sciatic nerve injury after glouteal injection and results of measures taken by government and medical centers for prevention in Mashhad. This is a descriptive study in electrodignostic center of imarn Reza Hospital and hassan Abady clinic. During 72 months [1999.3.21-2005.3.21], which was divided into four stages [18 months x4], there were 83 injection-induced sciatic nerve injuries.Diagnostic tests were E.M.G and N.C.V. Data was analyzed by chi and T tests and utilizing SPSS software. The most common medicines for injection were unknown for patient [40%] Diclofenac and Piroxicam [38%] and 33.5% of patients were below 5 years old. 56.5% in left side and 62.5% in males. The damage 'was severe in 53% and in 60% proneal branch was affected. The number of patients from first to 4th stage was: 30-25-16-12. Significant decrease of damage for all ages specially in children under 5 years old was seen. The continuation of instruction by government and prevention of gluteal injection in children less than 5 years is necessary