Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Interscalene nerve blocks provide adequate analgesia, but there are no objective criteria for early assessment of correct catheter placement. In the present study, pulse oximetry technology was used to evaluate changes in the perfusion index (PI) in both blocked and unblocked arms, and changes in the plethysmographic variability index (PVI) were evaluated once mechanical ventilation was instituted. ⋯ The perfusion index increases after successful interscalene nerve blockade and may be used as an indicator for successful block placement in awake patients. The PVI values before and after a fluid challenge can be useful to detect changes in preload, and this can be performed in both blocked and unblocked arms.
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Case Reports
Cardiac output monitoring during Cesarean delivery in a patient with palliated tetralogy of Fallot.
Tetralogy of Fallot (TOF) is one of the most common causes of cyanotic congenital heart disease. The anesthetic management of parturients with uncorrected TOF is challenging and controversial, especially for Cesarean delivery (CD). We describe the use of noninvasive cardiac output (CO) monitoring to assist the management of CD for a woman with palliated TOF under general anesthesia. ⋯ Balanced general anesthesia and careful titration of uterotonic agents provided stable hemodynamic conditions during CD in a patient with a palliated TOF, as assessed by a continuous noninvasive CO monitor. Noninvasive CO monitoring may improve our understanding of the hemodynamic implications of various anesthetic techniques for CD in cardiac patients.
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Letter Case Reports
Bullae after rapid blood transfusion through a warming system.
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Retraction Of Publication
Retraction note to: Granisetron reduces vomiting after strabismus surgery and tonsillectomy in children. Can J Anaesth 1996; 43: 35-8,DOI 10.1007/BF03015955.
Further to the Expression of Concern posted online on March 13th, 2012, it is with considerable regret that the Canadian Journal of Anesthesia hereby retracts the above-cited article by Dr. Yoshitaka Fujii as a result of:(1) overwhelming evidence of fabrication relating to the fact that the distributions of many variables reported by Dr. ⋯ We extend our sincere appreciation to Toride Kyodo General Hospital for their review of the status of Dr. Fujii’s research and to the investigating committee for their review of his research findings.