BMC anesthesiology
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Randomized Controlled Trial
The influence of mild hypothermia on reversal of rocuronium-induced deep neuromuscular block with sugammadex.
Mild hypothermia may be frequently induced due to cool environments in the operating room. The study analyzed patient recovery time and response to sugammadex after a prolonged rocuronium-induced deep neuromuscular block (NMB) during mild hypothermia. ⋯ Sugammadex safely and securely reversed deep rocuronium-induced NMB during mild hypothermia. An additional 46 s was required for recovery from a deep NMB in hypothermia patients. Based on the results, we think this prolonged recovery time is clinically acceptable.
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Randomized Controlled Trial Multicenter Study
Effects of two different anesthesia-analgesia methods on incidence of postoperative delirium in elderly patients undergoing major thoracic and abdominal surgery: study rationale and protocol for a multicenter randomized controlled trial.
Delirium is a common complication in elderly patients after surgery and associated with increased morbidity and mortality. Studies suggest that deep anesthesia and intense pain are important precipitating factors of postoperative delirium. Neuraxial block is frequently used in combination with general anesthesia for patients undergoing major thoracic and abdominal surgery. Compared with general anesthesia alone and postoperative intravenous analgesia, combined epidural-general anesthesia and postoperative epidural analgesia decreases the requirement of general anesthetics during surgery and provided better pain relief after surgery. However, whether combined epidural-general anesthesia plus epidural analgesia is superior to general anesthesia plus intravenous analgesia in decreasing the incidence of postoperative delirium remains unknown. ⋯ Results of the present study will provide information to guide clinical practice in choosing appropriate anesthesia-analgesia method for elderly patients undergoing major thoracic and abdominal surgery.
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Randomized Controlled Trial
The effect of preoperative suggestions on perioperative dreams and dream recalls after administration of different general anesthetic combinations: a randomized trial in maxillofacial surgery.
A significant proportion of patients experience recallable dreams during anaesthesia, apparently higher with propofol induction & maintenance, and when pre-induction psychological suggestion is used.
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Randomized Controlled Trial
Effect of magnesium sulphate on bi-spectral index (BIS) values during general anesthesia in children.
Magnesium was reported to reduce both the anesthetic requirements and the period needed to reach a bi-spectral index value of 60 when used intra-operatively (Br J Anaesth 83:302-20, 1999; Anesth Analg 20:1273-5, 1988; Br J Anaesth 89:594-8, 2002; Anesth Analg 87:206-10, 1998; Br J Anaesth 89:594-8, 2002; Br J Anaesth 94:438-41, 2005) and to minimize the emergence agitation (Anaesthesia 61:1058-63, 2006). Previous studies examined the influence of magnesium on the anesthetic requirements while the bi-spectral Index values were kept within a constant range. We evaluated the effect of intraoperative magnesium on the bi-spectral index values during pediatric anesthesia while we kept other anesthetic variables unchanged. ⋯ Magnesium produced significantly lower BIS values, less time to reach BIS values below 60, lower tidal volume and lower respiratory rate during pediatric general anesthesia.
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Case Reports
Usefulness and growing need for intraoperative transthoracic echocardiography: a case series.
Physician-performed transthoracic echocardiography (TTE) is still seldom used during anesthesia. Despite its various advantages, there are only a few reports of intraoperative TTE. We report 3 cases in which intraoperative TTE was successfully used. ⋯ Intraoperative TTE is a potent tool for quick hemodynamic evaluation because it is noninvasive and has sufficient diagnostic capabilities. The successful outcomes of our cases suggest the great usefulness of intraoperative TTE, and more frequent use is to be encouraged.