We studied, retrospectively, postoperative infectious complications following paediatric liver transplantation at a single university centre. The objectives were to characterize the epidemiology of infection and to determine the associated risk factors during the early postoperative period, either the first postoperative month or the entire duration of paediatric intensive care unit (PICU) stay. Forty-eight liver transplants were performed on 46 patients. Sixty-three infections occurred in 32 patients who underwent 34 liver transplantations (1.36 infection/patient); 47 were bacterial, 6 fungal and 10 viral. The most common sites of infection were bloodstream (36.5%) and abdomen (30%). Gram-positive bacteria (78%) predominated over gram-negative bacteria (22%). Initial analysis revealed infection risk factors to be age <1 year, body weight <10 kg, extrahepatic biliary atresia, intraoperative transfusion > 160 ml x kg(-1), mechanical ventilation > 8 days and PICU stay > 19 days. After stratified analysis, the main risk factor for infection was low body weight of the recipient.

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Ex-premature infants, before 45 weeks postconceptional age, are at high-risk of apnoea after surgery. General anaesthesia increases the risk of apnoea. We evaluated the tolerance and the efficiency of caudal anaesthesia performed in 25 consecutive conscious ex-premature infants for inguinal herniotomies. N2O/O2 and EMLA cream are used to facilitate caudal puncture. Anaesthesia procedure, patient comfort and complications following the 24 postoperative hours were studied. We report good anaesthesia conditions without compromising the baby's comfort and few perioperative complications. Only two infants with a prior history of apnoea or bronchopulmonary dysplasia had apnoea during and after surgery. A total spinal anaesthesia was the major complication in one infant and prolonged surgery requiring general anaesthesia was the main limitation of this technique in another child. The principal advantage of the procedure is to facilitate and simplify the postoperative management of the babies. The anaesthetic technique does not alter surgical conditions. Caudal epidural anaesthesia performed in awake high-risk preterm infants is beneficial for these infants but requires experienced operators.

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