Data were collected from a retrospective audit in anaesthetists members of the French Association of Anaesthetists in Paediatrics (ADARPEF) and from the prospective study of the author's practice of appendectomy using open or laparoscopic surgery. Retrospective data obtained in 9 of the 16 answering centres show that contraindications include respiratory disability, cardiopathy and age lower than 5 years when surgical instruments of proper size are not available. Monitoring included electrocardioscope, non invasive arterial pressure, pulse oximetry and capnography. Three centres excluded halothane due to possible cardiovascular concern. In two institutions N2O was omitted to limit the size of potential gas embolism. Intraoperative events included high PETCO2 (37%), high arterial pressure (10%), low arterial pressure (3%), bradycardia (1%), hypoxia (0.5%) and one case of pneumothorax. In the appendectomy series, laparoscopy increased the duration of the procedure, and therefore intraoperative opioids requirements. Arterial pressure was higher in this group, irrespective to intraabdominal pressure and to PETCO2. No significant improvement in postoperative analgesia was found. It is therefore recommended to pay special attention to intraoperative anaesthetic and surgical management of children undergoing laparoscopic surgery, particularly in newborns and infants. The high incidence of minor intraoperative adverse events should be balanced by increased postoperative benefit to the patient which has not yet been demonstrated in children.