Regional anesthesia and pain medicine
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Reg Anesth Pain Med · May 2009
Randomized Controlled Trial Comparative StudyUltrasound improves the success rate of a tibial nerve block at the ankle.
The tibial nerve provides the majority of sensation to the foot. Although multiple techniques have been described, there exists little evidence-based medicine evaluating different techniques for blocking the tibial nerve at the ankle. We hypothesized that an ultrasound (US)-guided tibial nerve block at the ankle would prove more successful than a conventional approach based on surface landmarks. ⋯ In healthy volunteers, US guidance results in a more successful tibial nerve block at the ankle than does a traditional approach using surface landmarks.
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Reg Anesth Pain Med · May 2009
Survey of the utilization of regional and general anesthesia in a tertiary teaching hospital.
Although the subspecialty of regional anesthesiology has become an important focus during residency training, there are many factors that might influence a resident's experience in regional anesthesia (RA). There are few data examining the utilization of regional techniques in an anesthesiology residency program. We undertook a prospective observational study to determine the frequency and reasons for not choosing RA in cases for which it was considered an option. ⋯ Our prospective observational study suggests that anesthesiology-related reasons may be an important factor for not undertaking these techniques. Although we did not specifically examine the effect on resident education, our study does provide some evidence to support program directors and department chiefs to set up their regional rotations with faculty most likely to perform RA.
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Progress continues on American Society of Regional Anesthesia (ASRA) AcutePOP. Highlights include selection of data fields and creation of definitions for complications jointly accepted by clinical registries for ASRA, American Society of Anesthesiologists, Regional Anesthesia Surveillance System, Society for Obstetric Anesthesia and Perinatology, and Society for Pediatric Anesthesia. Development of a Web site and applications continues, and a demonstration is planned for the ASRA 2009 meeting.
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Reg Anesth Pain Med · May 2009
Randomized Controlled Trial Comparative StudyThe rectus sheath block: accuracy of local anesthetic placement by trainee anesthesiologists using loss of resistance or ultrasound guidance.
The aim of this study was to compare the accuracy of local anesthetic placement in the rectus sheath block when performed by trainee anesthetists using loss of resistance (LOR) or ultrasound guidance. ⋯ Ultrasound guidance improves the accuracy of local anesthetic placement when undertaking the rectus sheath block. An additional fascial plane above the anterior layer of the rectus sheath may be wrongly perceived as the anterior layer of the rectus sheath when the block is undertaken without the aid of ultrasound.
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Reg Anesth Pain Med · May 2009
Multicenter StudyOutcome predictors for sacroiliac joint (lateral branch) radiofrequency denervation.
Sacroiliac (SI) joint pain is a challenging condition characterized by limited treatment options. Recently, numerous studies have reported excellent intermediate-term outcomes after lateral-branch radiofrequency (RF) denervation, but these studies are characterized by wide variability in technique, selection criteria, and patient characteristics. The purpose of this study was to determine whether any demographic or clinical variables can be used to predict SI joint RF denervation outcome. ⋯ Whereas several factors were found to influence outcome, no single clinical variable reliably predicted treatment results. The use of more stringent selection criteria was not associated with better outcomes.