We use epidural anaesthesia (T7-T8) for chole-lap, to avoid the omalgia -shoulder pain- we spray the diaphragm with lidocaine 2% without epinephrine (5cc + SF 15 cc). Patients don't have pain and there are not changes in AGA and their hemodinamic state are good; they compensate the hipercarbia with light increase in the respiratory rate. Our experiency is very good and the patients are satisfy.