Der Anaesthesist
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Randomized Controlled Trial Clinical Trial
[Does fentanyl or midazolam improve patient's comfort and cooperation when given for regional catheter placement? A randomized, controlled and double-blind trial].
The procedure of placing a catheter for continuous regional anaesthesia is often associated with fear and pain in the patient. Thus, we evaluated the use of midazolam and fentanyl to improve patient's comfort and cooperation. ⋯ As patient's comfort and cooperation were significantly improved by fentanyl, we recommend fentanyl to facilitate catheter placement for regional anaesthesia.
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Randomized Controlled Trial Multicenter Study Clinical Trial
[Preconditioning with sevoflurane reduces biochemical markers for myocardial and renal dysfunction after aortocoronary procedures].
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Randomized Controlled Trial Comparative Study Clinical Trial
[Laryngeal tube versus laryngeal mask airway in anaesthetised non-paralysed patientsA comparison of handling and postoperative morbidity].
The purpose of this study was to compare the classical laryngeal mask airway (LMA) with the laryngeal tube (LT) in anaesthetised non-paralysed patients. ⋯ In anaesthetised non-paralysed patients the LT compares favourably to the LMA in terms of ease of insertion and postoperative morbidity.
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Randomized Controlled Trial Clinical Trial
[Cuff pressure monitoring and regulation in adults].
In adults the use of cuffed endotracheal tubes is the standard technique. Nitrous oxide increases the cuff pressure secondary to diffusion through the cuff membrane. The aim of the study was to verify a newly designed cuff pressure regulating device and comparison of postoperative complications. ⋯ In conclusion our data demonstrate that the automatic cuff pressure and regulation device was useful and reliable in an adult population of intubated patients in the studied pressure range.
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Randomized Controlled Trial Clinical Trial
[Methemoglobinemia due to prilocaine after plexus anesthesia. Reduction by prophylactic administration of ascorbic acid?].
This study investigated in vivo and in vitro kinetics of o-toluidine-induced methemoglobinemia and the influence of ascorbic acid on resulting methemoglobin concentrations. o-Toluidine is a metabolite of prilocaline and ascorbic acid is recommended for treatment of methemoglobinemia as an alternative to methylene blue. ⋯ In vitro high concentrations of ascorbic acid are able to reduce the resulting methemoglobin concentration 360 min after addition of 50 micrograms/ml o-toluidine. The application of 2,000 mg ascorbic acid i.v. before plexus anesthesia with prilocaine does not reduce the concentration of methemoglobin.