Articles: nerve-block.
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To study the efficacy and complications of a parascalene block over a period of 10 years of experience. ⋯ The parascalene block is a simple, safe, and effective technique. The probability of serious complications is lower than with most known supraclavicular techniques, mainly because the puncture is perpendicular to the horizontal plane. A neurostimulator or aponeurotic click technique is used and the nerve trunks can be found between 1,5 and 2 cm deep when the plexus is located in reference to the transverse processes.
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Comment Letter Comparative Study
Intrathecal morphine vs psoas compartment block for hip surgery.
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Reg Anesth Pain Med · Jan 2004
Comparative Study Clinical TrialThigh rotation and the anterior approach to the sciatic nerve: a magnetic resonance imaging study.
The anterior approach to the sciatic nerve block may be associated with a high failure rate because the nerve lies posterior to the lesser trochanter of the femur at the level of needle insertion. However, previous work using cadavers demonstrated that internal rotation of the leg renders the nerve more accessible to the anterior approach. ⋯ The results confirm that, as the thigh is moved from an externally to an internally rotated position, the sciatic nerve becomes more accessible by the anterior approach at the level of the lesser trochanter, and the risk of femoral artery or nerve puncture is reduced but not eliminated.