In Grunds series the major complications were perforations which occurred in 6 of 1062 patients. Smaller complications were also reported, the most frequent being subcutaneous emphysema 22, 24.
En la serie de Grund se presentaron perforaciones en 6 de 1.062 pacientes como complicación mayor; reportaron complicaciones menores, siendo la más frecuente el enfisema subcutáneo 22, 24.