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Related Concept Videos

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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Targeting Gray Rami Communicantes in Selective Chemical Lumbar Sympathectomy
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CT-guided percutaneous neurolytic celiac plexus block technique.

P J Wang1, M Y Shang, Z Qian

  • 1Department of Radiology, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China. Tongjipjwang@vip.sina.com

Abdominal Imaging
|December 8, 2006
PubMed
Summary

CT-guided percutaneous neurolytic celiac plexus block (PNCPB) offers valuable pain relief for cancer patients. Technical factors like patient cooperation and precise needle placement significantly influence the effectiveness of this analgesic procedure.

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Area of Science:

  • Interventional Radiology
  • Pain Management
  • Oncology

Background:

  • CT-guided percutaneous neurolytic celiac plexus block (PNCPB) is a key treatment for refractory cancer-related abdominal pain.
  • Reported efficacy of PNCPB for pain relief shows variability.

Purpose of the Study:

  • To explore technical considerations influencing the analgesic effects of PNCPB.
  • To provide an overview of PNCPB, including indications, contraindications, and management of complications.

Main Methods:

  • Discussion of patient cooperation, breathing techniques, and training.
  • Analysis of needle entry approaches (posterior vs. anterior) and combined blocking strategies.
  • Emphasis on pre-procedural simulation and accurate localization for safe and effective celiac plexus block.

Main Results:

  • Patient cooperation and precise needle placement are crucial for successful PNCPB.
  • Optimal analgesia may require bilateral blocking of the celiac plexus and splanchnic nerves.
  • Adequate blocking is indicated by maximal filling of the retropancreatic space with the neurolytic agent.

Conclusions:

  • PNCPB is an important therapeutic option for cancer pain, but its success hinges on meticulous technique.
  • Understanding and optimizing technical factors can improve analgesic outcomes.
  • Comprehensive patient preparation and procedural planning are essential for safe and effective PNCPB.