Acta anaesthesiologica Scandinavica
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Acta Anaesthesiol Scand · Feb 2010
Comparative StudyComparison of desaturation and resaturation response times between transmission and reflectance pulse oximeters.
In general, there is a response time between actual arterial hypoxemia and its detection by pulse oximeters. We compared the desaturation and resaturation response times between two types of pulse oximeters, transmission and reflectance pulse oximeters, to find out which oximeter has a more rapid response time. ⋯ In clinical situations in which rapid changes in oxygen saturation are expected, we recommend the forehead reflectance pulse oximeter because it responds more quickly in detecting oxygen desaturation and resaturation compared with the transmission pulse oximeter.
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Acta Anaesthesiol Scand · Feb 2010
Randomized Controlled Trial Comparative StudyEndotracheal tube size and sore throat following surgery: a randomized-controlled study.
Women experience less frequent and less severe sore throat postoperatively after intubation with a size 6.0 ETT versus size 7.0.
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Acta Anaesthesiol Scand · Feb 2010
Randomized Controlled Trial Comparative StudySparing the larynx during gynecological laparoscopy: a randomized trial comparing the LMA Supreme and the ETT.
We designed a prospective randomized single-blind study to compare efficiency and post-operative upper airway morbidity when the laryngeal mask airway (LMA) Supreme is used as an alternative to the endotracheal tube (ETT). ⋯ We demonstrated that choosing an LMA Supreme was an efficient pharyngolaryngeal morbidity-sparing strategy. Moreover, we showed that the LMA Supreme and the ETT were equally effective airways for a routine gynecological laparoscopy procedure.
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Acta Anaesthesiol Scand · Feb 2010
Randomized Controlled Trial Comparative StudyLate sensory function after intraoperative capsaicin wound instillation.
Intense capsaicin-induced C-fiber stimulation results in reversible lysis of the nerve soma, thereby making capsaicin wound instillation of potential interest for the treatment of post-operative pain. Clinical histological and short-term sensory studies suggest that the C-fiber function is partly re-established after skin injection of capsaicin. However, no study has evaluated the long-term effects of wound instillation of purified capsaicin on sensory functions. ⋯ This small-volume study calls for further long-term safety studies of wound capsaicin instillation.
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Acta Anaesthesiol Scand · Feb 2010
Case ReportsReal-time ultrasound-guided spinal anesthesia in patients with a challenging spinal anatomy: two case reports.
Spinal anesthesia may be challenging in patients with poorly palpable surface landmarks or abnormal spinal anatomy. Pre-procedural ultrasound imaging of the lumbar spine can help by providing additional anatomical information, thus permitting a more accurate estimation of the appropriate needle insertion site and trajectory. ⋯ Successful dural puncture was subsequently achieved using a technique of real-time ultrasound-guided spinal anesthesia. This may be a useful option in patients in whom landmark-guided and ultrasound-assisted techniques have failed.