British journal of anaesthesia
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Randomized Controlled Trial Comparative Study Clinical Trial
IV anaesthesia with propofol using a target-controlled infusion system: comparison with inhalation anaesthesia for general surgical procedures in children.
We studied 40 children undergoing general surgical procedures. They were allocated randomly to receive induction of anaesthesia with propofol 3-5 mg kg-1 followed by maintenance with halothane and an appropriate regional block, or induction and maintenance of anaesthesia with a computerized, target-controlled infusion of propofol with a regional block. ⋯ There were no significant differences between the groups in heart rate, mean arterial pressure and end-expired carbon dioxide concentration during anaesthesia. There was no significant difference in the recovery times of the two groups.
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We describe a case of severe acute lung injury after attempted strangulation. The patient presented initially with cerebral irritability and florid, noncardiogenic pulmonary oedema which were followed by a prolonged period of the adult respiratory distress syndrome, severe sepsis and multiple system organ failure, although the patient eventually survived. The pulmonary injury following strangulation is proposed to be a result of the generation of marked subatmospheric pressures within the lungs during vigorous inspiration against an obstructed airway, although the processes involved in the so-called neurogenic pulmonary oedema are difficult to exclude.
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In 20 adult patients (18 male) who presented for thoracotomy, the trachea was intubated using Mallinckrodt disposable double-lumen tubes (18 large and two medium). The endobronchial cuff was inflated by a trained operating department assistant using an air-filled syringe. ⋯ Mean initial cuff pressure was 69.3 (SEM 6.0) mm Hg, whereas the mean minimum cuff pressure was 29.5 (4.0) mm Hg (P < 0.0001). The results suggest that the method described of inflating the endobronchial cuff may lead to overinflation and subsequent excessive pressure on the endobronchial wall.
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Randomized Controlled Trial Clinical Trial
Efficacy of continuous intercostal bupivacaine for pain relief after thoracotomy.
We studied 20 patients undergoing thoracotomy, in a double-blind, placebo-controlled crossover trial of intercostal bupivacaine. Bupivacaine 0.25% was infused at 5 ml h-1 through each of two catheters placed in the intercostal space at operation. ⋯ There were no adverse effects related to the intercostal infusion of bupivacaine. We conclude that bupivacaine, infused through catheters placed during thoracotomy in the adjacent intercostal spaces, is a useful adjunct to systemic opioid analgesia.