Revista española de anestesiología y reanimación
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Rev Esp Anestesiol Reanim · Aug 2007
[Imprecise status allocation by users of the American Society of Anesthesiologists classification system: survey of Catalan anesthesiologists].
To study precision in American Society of Anesthesiologists (ASA) physical status classification by Catalan anesthesiologists. ⋯ The use of the ASA physical status scale is somewhat imprecise. There are small differences between specialists and residents and the current version is not very well known.
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Rev Esp Anestesiol Reanim · Aug 2007
Randomized Controlled Trial Comparative Study[Influence of neostigmine on the course of neuromuscular blockade with rocuronium or cisatracurium: a randomized, double-blind trial].
To compare the time-course of neuromuscular blockade with rocuronium or cisatracurium during intravenous anesthesia, in terms of both the time to spontaneous recovery or time to reversal after administration of neostigmine. ⋯ Not antagonizing a rocuronium- or cisatracurium-induced neuromuscular blockade in surgical procedures lasting less than 90 minutes can lead to a high percentaje of residual blockade (TOF ratio <80%).
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Rev Esp Anestesiol Reanim · Aug 2007
Randomized Controlled Trial[Intrathecal fentanyl reduces the dose of propofol required for sedation during spinal anesthesia].
To assess the effects of 2 dosages of intrathecal fentanyl on the requirement for propofol infused intravenously for the sedation of patients under spinal anesthesia. ⋯ Adding 15 or 25 microg of fentanyl to hyperbaric bupivacaine lowers the dose of intravenous propofol required for sedation of patients under spinal anesthesia.
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Rev Esp Anestesiol Reanim · Aug 2007
Case Reports[Intraoperative transesophageal echocardiography and systolic anterior motion of the mitral valve: findings during noncardiac surgery].
Systolic anterior motion is an under-recognized cause of acute systemic hypotension during noncardiac surgery. This dynamic event has come to light with the introduction of intraoperative transesophageal echocardiography, which provides anatomic and functional images in real time. The cause of this abnormal motion is still uncertain, although it is thought that changes in the shape and function of the left ventricle allow displacement of the mitral valve annulus so that 1 or more leaflets can be pulled toward the outflow tract and obstruct it during the systole. ⋯ The results of such measures can be monitored on intraoperative echocardiographic images. Volume replacement should increase the size of the ventricle and the beta-blockers should decrease the hyperdynamic state. We report a case of abnormal systolic motion during noncardiac surgery that was managed with the help of echocardiography.