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The results of a prospective assessment of cardiorespiratory changes related to anaesthesia and laparoscopic Nissen fundoplication are described in 25 children aged 1.2 to 14.3 years, weighing 9.0 to 64.0 kg. Respiratory disease or oesophagitis were present in 68% cases. During balanced inhalational anaesthesia, hypotension or bradycardia occurred prior to peritoneal insufflation in three cases of reverse Trendelenburg position. During surgery, intra-abdominal pressure was in the 6-10 mmHg range. Transiently, two patients were hypotensive while ten were hypertensive. PETCO2 gradually increased but only two patients required increased minute ventilation. One bronchial intubation episode developed. Airway complications were related to isoflurane administration. Postoperatively, transient hypoxia (25% cases) was observed during the first 3 h. Analgesia duration was in the 40-1440 min range. Hospital stay was 5.6 +/- 1.5 days (mean +/- SD). Laparoscopic paediatric fundoplication is safe when hypovolaemia and postoperative hypoxia are prevented.

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