Ceramic bearings with bilayer coating in cementless total hip arthroplasty. A safe solution. A retrospective study of one hundred and twenty six cases with more than ten years' follow-up.

Purpose: Using a ceramic-ceramic bearings, cementless total hip arthroplasty (THA) has provided good clinical results. To ensure longevity a good quality fixation of the implants is mandatory. Different surface treatments had been used, with inconsistent results.

Nitrous oxide analgesia for intubating preterm neonates: a pilot study.

Aim: To evaluate the administration of an equimolar mixture of N2O and O2 for intratracheal intubation in preterm neonates with respiratory distress syndrome (RDS).

Design: Prospective evaluation of N2O/O2 in premature neonates with RDS.

Setting: Tertiary neonatal unit from March to August 2003.