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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

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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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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
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Updated: Oct 25, 2025

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Image-guided spinal injection for pain management.

Osanna Wong1, George Zhang2, Hayden Matthews1

  • 1Australian National University Medical School, Canberra, Australian Capital Territory, Australia.

Journal of Medical Imaging and Radiation Oncology
|August 9, 2021
PubMed
Summary

Minimally invasive corticosteroid injections are crucial for radiculopathy and spinal pain unresponsive to conservative care. Imaging guidance, like fluoroscopy and CT scans, ensures accurate needle placement for targeted treatment.

Keywords:
imaging guidanceinjection techniquespain managementradiculopathyspinal injectionspinal pain

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Area of Science:

  • Pain Management
  • Interventional Radiology
  • Neurosurgery

Background:

  • Radiculopathy and spinal pain are widespread, debilitating conditions.
  • Conservative treatments like physiotherapy and NSAIDs are common first-line options.
  • Minimally invasive corticosteroid injections are a key intervention for refractory cases.

Purpose of the Study:

  • To highlight the importance of imaging guidance in spinal injections.
  • To emphasize the role of fluoroscopy and CT in targeted interventions.
  • To underscore the benefits of precise needle placement in treating spinal pathologies.

Main Methods:

  • Review of historical and current practices in spinal injections.
  • Emphasis on the utilization of imaging modalities (fluoroscopy, CT).
  • Discussion of accurate needle placement and targeted pathology identification.

Main Results:

  • Imaging guidance has become the standard of care for spinal injections.
  • Fluoroscopy and CT enable precise needle localization.
  • Targeted delivery of corticosteroids improves treatment efficacy.

Conclusions:

  • Imaging-guided spinal injections are essential for effective radiculopathy and spinal pain management.
  • Fluoroscopy and CT significantly enhance the safety and accuracy of these procedures.
  • Precise targeting of pathologies under imaging guidance optimizes patient outcomes.