Articles: intubation.
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Randomized Controlled Trial Clinical Trial
Postoperative sore throat related to the use of a Guedel airway.
Eighty-eight patients in ASA classes 1 or 2 and aged between 18-65 years, who were to undergo anaesthesia, were allocated randomly to a group with or without an airway. Methohexitone, nitrous oxide, alfentanil and enflurane were used, with the patients breathing spontaneously. This study showed that there was no significant difference between the two groups in the incidence of sore throat, or any other related symptom, and concludes that the use of an oropharyngeal airway does not increase morbidity among nonintubated patients.
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Case Reports
[Tube wall herniation in an Ulmer system as a cause of an intraoperative ventilation disorder].
We report an intraoperative complication caused by nitrous oxide diffusion through the inner layer of a tube of the Ulmer breathing system, which has been developed for ventilation of small children and neonates (Fig. 2a). About 40 min after intubation and mechanical ventilation with oxygen, nitrous oxide, and halothane a sudden rise in PETCO2 was noticed (Fig. 1). ⋯ Thorough inspection of the tubes of the Ulmer breathing system revealed a herniation that nearly occluded the lumen (Fig. 2b). After changing the anesthetic system, the operation and anesthesia were continued uneventfully.
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Clinical Trial Controlled Clinical Trial
Sore throat following short term endotracheal intubation.