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Local Anesthetics: Clinical Application as Spinal Anesthesia

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...

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Related Experiment Video

Updated: May 9, 2026

Intraoperative Ultrasound in Spinal Surgery

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

When does a spinal surgeon need a plastic surgeon?

Nancy E Epstein¹

¹Department of Neurosurgery, The Albert Einstein College of Medicine, Bronx, NY, and Chief of Neurosurgical Spine and Education, Division of Neurosurgery, Winthrop University Hospital, Mineola, NY, USA.

Surgical Neurology International

|July 24, 2013

Summary

No abstract available in PubMed .

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