[Risk evaluation of oxygen desaturation after buprenorphine or morphine administration during the early postoperative period].

The purpose of this study, conducted in a PACU in the early recovery period of orthopaedic procedures under general anaesthesia, was to compare the time course of O2 arterial saturation (SpO2), measured by pulse oximetry, after the intramuscular administration of either buprenorphine (0.30 mg) or morphine (10 mg). The rate of patients who had an episode of O2 desaturation (defined as a SpO2 under 95%) was similar in both groups: 73% after buprenorphine vs 67% after morphine.

[Doppler preoperative evaluation of the prevalence of functional abnormalities of palmar arches in children].

Thromboembolic events and inadequate palmar collateral circulation are the two main mechanisms of hand ischaemia following radial artery cannulation. The latter cause may be detected in adults with Allen's test, which is difficult to perform and to interpret in children. Therefore we investigated preoperatively in children the permeability of palmar arches with doppler ultrasound, prior to radial artery cannulation.