Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Letter Case Reports
Spinal anaesthesia for caesarean section in a patient with brain neoplasma.
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The popularity of the Residents' Competition at the annual meeting of the Canadian Anaesthetists' Society inspired this 25 yr review of the competitors and their presentations. Data were collected from a questionnaire survey of all participants and all current Anaesthesia programme directors, review of the Canadian Anaesthetists' Society records, and a Medline data-base search. ⋯ Over half of all the presentations (53.1%) subsequently were published as scientific papers, and 71.7% of all participants practised anaesthesia in an academic environment at some point in their career. The Residents' Competition appears to have been successful in encouraging scientific excellence in physician's training in anaesthesia in Canada.
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Editorial Comment
Respiratory depression with patient-controlled analgesia.
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Hypoxic pulmonary vasoconstriction (HPV) has not been demonstrated in human single lung anaesthesia in the lateral decubitus position (LDP). The purpose of this study was to determine whether (1) HPV occurs in the non-dependent, non-ventilated lung, and (2) if the infusion of sodium nitroprusside (SNP) inhibits HPV. During intravenous anaesthesia the tracheas of seven patients were intubated with double lumen endotracheal tubes. ⋯ With SNP infusion there was a 30% increase in cardiac index (CI) (P < 0.05). The SNP infusion was not associated with changes in Qs/Qt or PaO2. This model demonstrates changes in Qs/Qt and PaO2 associated with single-lung ventilation in ASA I and II patients in the LDP but we were unable to demonstrate inhibition of HPV by SNP.