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Laparoceles are diseases of the abdominal wall and their repair does not usually involve technical problems which are difficult to resolve. The use of classic surgical methods, such as direct suture and plastic surgery, enables the parietal defect to be easily repaired in most case. However, cases do occur in which the surgeon is faced with considerable technical and tactical difficulties largely due to anatomopathological causes: the "loss of the right of domicile" of herniated viscera and the loss of musculo-aponeurotic substance. In the former case it is necessary to prepare the peritoneal cavity using pneumoperitoneum. In the event of the extensive destruction of the muscular component, or when the parietal breech is located next to bone or cartilagenous structures, it is essential to use a prosthesis. The paper goes on to describe the indications for the use of various techniques and their respective methods of use under different anatomo-clinical conditions.

Reparative surgery of ventral hernia may be relatively simple or, on the other hand, the surgeon may be confronted with a number of tactical and technical problems. Many of these are caused by the "loss of the right of domicile". In order to avoid this particular condition it is useful to resort to preoperative pneumoperitoneum. This method entails the gradual and progressive introduction of air into the peritoneal cavity. In this way abdominal capacity is increased and it is therefore possible to re-insert all the viscera into their natural cavities avoiding all the harmful consequences for respiratory and cardio-circulatory organs following forced replacement. Preoperative pneumo-peritoneum is a relatively well consolidated surgical technique in large scale eventration. The methods is simple to perform and has a low incidence of complications.