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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

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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Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

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Related Experiment Video

Updated: Jul 18, 2026

Intraoperative Ultrasound in Spinal Surgery
05:53

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

Transverse myelitis following spinal anesthesia.

Sanjeev Jha1, Rajesh Kumar

  • 1Department of Neurology, Sanjay Gandhi PGIMS, Lucknow, UP, India. sjha@sgpgi.ac.in

Neurology India
|November 23, 2006
PubMed
Summary

A rare case of paraplegia after spinal anesthesia highlights risks. This complication, hemorrhagic myelitis, occurred despite the procedure

Area of Science:

  • Anesthesiology
  • Neurology
  • Spinal Cord Medicine

Background:

  • Spinal anesthesia is a common and generally safe anesthetic technique.
  • Severe neurological complications are rare, but potential risks exist.

Observation:

  • A 29-year-old male developed acute flaccid paraplegia with sensory and motor deficits, including bladder and bowel dysfunction, immediately after inguinal hernia repair under spinal anesthesia.
  • Magnetic resonance imaging revealed hemorrhagic myelitis in the conus medullaris at the D12 level.

Findings:

  • The patient did not respond to a 10-day course of intravenous methylprednisolone.
  • The case underscores challenges in identifying the precise interspace used for spinal anesthesia.
  • It highlights the potential for direct traumatic injury to the spinal cord during the procedure.

Related Experiment Videos

Last Updated: Jul 18, 2026

Intraoperative Ultrasound in Spinal Surgery
05:53

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

Implications:

  • This case emphasizes the critical importance of adhering to established guidelines for spinal anesthesia administration.
  • Violations of standard procedures can lead to devastating neurological outcomes.
  • It highlights the need for vigilance and careful technique to minimize the risk of spinal cord injury.