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Spinal Sonography for Ultrasound-Guided Lumbar Neuraxial Anesthesia
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Spinal Sonography for Ultrasound-Guided Lumbar Neuraxial Anesthesia

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[Imaging-guided injection techniques of the lumbar spine]

J Artner1, B Cakir, H Reichel

  • 1Orthopädische Universitätsklinik, Universitäts- und Rehabilitationskliniken Ulm RKU, Oberer Eselsberg 45, 89081 Ulm, Deutschland. j.artner@gmail.com

Der Orthopade
|April 12, 2013
PubMed

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Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...