Canadian journal of anaesthesia = Journal canadien d'anesthésie
-
Perioperative hypothermia is still a common occurrence, and it can be difficult to measure a patient's core temperature accurately, especially during regional anesthesia, with placement of a laryngeal mask airway device, or postoperatively. We evaluated a new disposable double-sensor thermometer and compared the resulting temperatures with those of a distal esophageal thermometer and a bladder thermometer in patients undergoing general and regional anesthesia, respectively. Furthermore, we compared the accuracy of the thermometer between regional and general anesthesia, since forehead microcirculation might differ between the two types of anesthesia. ⋯ In a perioperative patient population undergoing general or regional anesthesia, the accuracy of the noninvasive disposable double-sensor thermometer is comparable with that of the distal esophageal and bladder thermometers in routine clinical practice. Furthermore, the sensor performed comparably in patients undergoing regional and general anesthesia.
-
Letter Randomized Controlled Trial Comparative Study
The catheter-over-needle assembly offers greater stability and less leakage compared with the traditional counterpart in continuous interscalene nerve blocks: a randomized patient-blinded study.
-
We present the case of a parturient diagnosed with primary ciliary dyskinesia with secondary bronchiectasis who developed significant hypoxemia following administration of intravenous oxytocin during Cesarean delivery under spinal anesthesia. This case suggests that oxytocin can affect pulmonary vascular tone and interfere with the protective effects of hypoxic vasoconstriction. ⋯ The vasodilatory effects of intravenous oxytocin on the pulmonary vasculature may worsen shunting and interfere with hypoxic pulmonary vasoconstriction, producing clinically significant hypoxemia in patients with comorbid lung disease. Oxytocin should be used with caution in patients with compromised lung function.
-
Randomized Controlled Trial Comparative Study
Carbetocin at elective Cesarean delivery: a randomized controlled trial to determine the effective dose, part 2.
The aim of this study was to determine the intravenous dose of carbetocin required to produce effective uterine contraction in 95% of women (ED95) undergoing elective Cesarean delivery under spinal anesthesia. ⋯ In women at low risk for PPH undergoing elective Cesarean delivery under spinal anesthesia, carbetocin is similarly effective in doses of 20-100 μg. There is a high incidence of hypotension associated with carbetocin in these doses. Further dose-finding studies are warranted, including doses lower than 20 μg. This trial was registered at www.clinicaltrials.gov (NCT01428817).