Conclusions  BTA application before abdominal wall hernia repair seems to be useful. The lateral muscles paralysis achieved and transverse hernia defect reduction allows a minimal tension closure. To our knowledge, this is the first report of BTA application before abdominal wall hernia reconstruction. Content Type Journal ArticleDOI 10.1007/s00268-009-0203-3Authors Tomas R. Ibarra-Hurtado, Antiguo Hospital Civil de Guadalajara Department of General Surgery Av. Circunvalación Dr. Atl No. 154. Col. Independencia Guadalajara Jalisco 44340 MéxicoCarlos M. Nuño-Guzmán, Antiguo Hospital Civil de Guadalajara Department of General Surgery Av. Circunvalación Dr. Atl No. 154. Col. Independencia Guadalajara Jalisco 44340 MéxicoJorge E. Echeagaray-Herrera, Antiguo Hospital ...