Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Randomized Controlled Trial Comparative Study Clinical Trial
The McCoy straight blade does not improve laryngoscopy and intubation in normal infants.
The McCoy curved blade laryngoscope has been demonstrated to improve view at laryngoscopy in adults. A straight-bladed version of this laryngoscope has recently been introduced into pediatric practice. The objective of this prospective, randomized study was to compare the intubating conditions afforded by the McCoy (#1) straight blade laryngoscope with the conventional Miller (#1) blade in neonates and infants. ⋯ Our data indicate that the McCoy blade has no advantage over the conventional pediatric Miller blade in normal infants.
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Randomized Controlled Trial Clinical Trial
Drinking 300 mL of clear fluid two hours before surgery has no effect on gastric fluid volume and pH in fasting and non-fasting obese patients.
To determine whether, in obese [body mass index (BMI) > 30 kg.m(2)] patients, oral intake of 300 mL clear liquid two hours before elective surgery affects the volume and pH of gastric contents at induction of anesthesia. ⋯ Obese patients without comorbid conditions should follow the same fasting guidelines as non-obese patients and be allowed to drink clear liquid until two hours before elective surgery, inasmuch as obesity per se is not considered a risk factor for pulmonary aspiration.
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Randomized Controlled Trial Comparative Study Clinical Trial
Vein pretreatment with magnesium sulfate to prevent pain on injection of propofol is not justified.
Propofol produces anesthesia with rapid recovery. However, it causes pain or discomfort on injection. A number of techniques have been tried for minimizing propofol-induced pain with variable results. We have compared the efficacy of magnesium and lidocaine for the prevention of propofol induced pain. ⋯ Intravenous magnesium and lidocaine pretreatment are equally effective in attenuating propofol-induced pain. However, magnesium pretreatment itself causes pain. Therefore, there is no justification in the use of magnesium pretreatment for attenuating pain associated with i.v. propofol.
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Randomized Controlled Trial Comparative Study Clinical Trial
[Remifentanil is an effective alternative to propofol for patient-controlled analgesia during digestive endoscopic procedures].
Unlike propofol, the self-administration of remifentanil for sedation in gastrointestinal endoscopies has never been evaluated formally. We wanted to compare the efficacy and tolerance of patient self-administration of remifentanil vs propofol during gastrointestinal endoscopy. ⋯ The self-administration of remifentanil for sedation during gastrointestinal endoscopies is as effective as the self-administration of propofol and can be offered to patients, especially when it is desirable that they remain conscious during the procedure.