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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...

Local Anesthetics: Clinical Application as Epidural Anesthesia

Local Anesthetics: Clinical Application as Epidural Anesthesia

Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...

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Updated: May 12, 2025

Author Spotlight: Enhancing Success of Ultrasound-Guided Neuraxial Anesthesia in Cases with Difficult Anatomy

Author Spotlight: Enhancing Success of Ultrasound-Guided Neuraxial Anesthesia in Cases with Difficult Anatomy

Published on: January 31, 2025

Should Spinal Anesthesia Be Used for Spine Surgery: A Case Report.

Gabrielle A White-Dzuro¹, Xiaodong Bao¹, Francis McGovern²

¹Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.

Case Reports in Anesthesiology

|May 7, 2025

Summary

This summary is machine-generated.

Spinal anesthesia (SA) is a reasonable choice for lumbar spine surgery, but relying solely on review conclusions may be misleading. Further analysis of primary research is recommended for informed decisions.

Keywords:

lumbar spine surgery spinal anesthesia

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Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review

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Published on: November 8, 2024

Area of Science:

Anesthesiology
Neurosurgery
Spinal Surgery

Background:

Lumbar spine stenosis frequently requires surgical decompression.
Spinal anesthesia (SA) is an alternative to general anesthesia (GA) for such procedures.
Patient preference for SA is a key consideration in anesthetic choice.

Observation:

A patient with lumbar spine stenosis elected SA over GA for decompression.
The surgery proceeded uneventfully under SA without sedation.
The patient experienced rapid recovery with no need for postoperative opioids.

Findings:

A literature review identified nine recent reviews favoring SA over GA for lumbar surgery.
These reviews predominantly cited older, potentially flawed primary studies.
While SA was appropriate in this case, over-reliance on review summaries can be deceptive.

Implications:

Careful evaluation of primary research is crucial when interpreting review conclusions.
Anesthetic choice for spinal surgery should balance patient preference with evidence quality.
This case highlights the need for critical appraisal of meta-analyses and systematic reviews.