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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
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Microvascular Decompression: Salient Surgical Principles and Technical Nuances
10:35

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

How I do it: microvascular decompression for classical trigeminal neuralgia by arterial compression.

M Sindou1,2, C Son3, A Brinzeu1,4

  • 1University of Lyon, Lyon, France.

Acta Neurochirurgica
|June 27, 2026
PubMed
Summary

Microvascular decompression offers lasting pain relief for most patients with trigeminal neuralgia caused by blood vessel compression. This surgical technique effectively relieves pressure on the trigeminal nerve for durable pain freedom.

Keywords:
Cerebellopontine angle arteriesClassical trigeminal neuralgiaCranial nerve disordersMicrovascular decompressionNeurovascular conflictVascular compression syndrome

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Minimally Invasive Surgical Decompression of Occipital Nerves
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Minimally Invasive Surgical Decompression of Occipital Nerves

Published on: September 13, 2024

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Last Updated: Jun 29, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances
10:35

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Minimally Invasive Surgical Decompression of Occipital Nerves
04:06

Minimally Invasive Surgical Decompression of Occipital Nerves

Published on: September 13, 2024

Area of Science:

  • Neurosurgery
  • Neurology
  • Medical Imaging

Background:

  • Classical trigeminal neuralgia involves severe facial pain due to neurovascular conflict.
  • Microvascular decompression (MVD) is a primary surgical treatment for this condition.
  • High success rates depend on precise identification of the neurovascular conflict.

Purpose of the Study:

  • To demonstrate the step-by-step surgical technique of microvascular decompression.
  • To illustrate the application of MVD in patients with preoperatively identified neurovascular conflicts.
  • To highlight the importance of accurate MRI in surgical planning.

Main Methods:

  • Keyhole retrosigmoid (retromastoid) craniectomy.
  • Infratentorial, supracerebellar surgical corridor.
  • Displacement of offending arteries to decompress the trigeminal nerve.
  • Minimizing traction on adjacent cranial nerves.

Main Results:

  • MVD provides durable pain freedom in 75-95% of patients with classical trigeminal neuralgia.
  • Effective decompression is achieved by repositioning arteries.
  • Avoiding secondary compression from implanted materials is crucial for success.

Conclusions:

  • Microvascular decompression is an effective treatment for trigeminal neuralgia.
  • The described surgical technique ensures safe and effective nerve decompression.
  • Preoperative MRI is essential for identifying the neurovascular conflict and guiding surgical strategy.