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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...

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

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Anaerobic spinal epidural abscess. Case report.

I C Guerrero, G B Slap, R R MacGregor

Journal of Neurosurgery

|March 1, 1978

Summary

A rare spinal epidural abscess caused by Fusobacterium necrophorum, an anaerobe, was identified. This case highlights unique infection routes and the importance of considering anaerobic bacteria in epidural infections.

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Area of Science:

Neurology
Infectious Diseases
Microbiology

Background:

Spinal epidural abscesses (SEAs) are serious infections.
Bacteriology of SEAs typically involves aerobic organisms.
Anaerobic infections of the epidural space are uncommon.

Observation:

A unique case of acute spinal epidural abscess is presented.
The abscess yielded a pure culture of Fusobacterium necrophorum.
Fusobacterium necrophorum is an anaerobic bacterium.

Findings:

The causative pathogen, Fusobacterium necrophorum, is unusual for epidural abscesses.
The mode of infection leading to this abscess was unique.
This case underscores the potential for anaerobic pathogens in SEAs.

Implications:

Highlights the need to consider anaerobic organisms in the differential diagnosis of SEAs.
May prompt further research into the epidemiology and treatment of anaerobic epidural infections.
Emphasizes the importance of appropriate diagnostic methods for isolating anaerobic bacteria.