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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
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Bones of the Upper Limb: Ulna

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Surface Electromyographic Biofeedback as a Rehabilitation Tool for Patients with Global Brachial Plexus Injury Receiving Bionic Reconstruction
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Brachial plexus blockade in elbow, arm or hand surgeries.

M T Mortazavi1, M Niazi-Ghazani, M Ansari

  • 1Department of Anesthesiology, Shohada Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.

Pakistan Journal of Biological Sciences : PJBS
|February 5, 2010
PubMed
Summary

The paraarterial (P) approach for brachial plexus block offers a quicker onset of anesthesia and a higher success rate compared to the transarterial (T) method. This makes the paraarterial technique preferable for axillary blocks in surgical procedures.

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Area of Science:

  • Anesthesiology
  • Surgical Procedures
  • Regional Anesthesia

Background:

  • Brachial plexus blocks are crucial for anesthesia in upper limb surgeries.
  • Comparing different approaches to brachial plexus blockade is essential for optimizing patient outcomes.
  • The transarterial (T) and paraarterial (P) techniques are common methods for achieving brachial plexus anesthesia.

Purpose of the Study:

  • To compare the transarterial (T) and paraarterial (P) approaches for brachial plexus block.
  • To evaluate differences in success rate, onset time, duration of analgesia, and complications.
  • To determine the preferable technique for axillary blocks.

Main Methods:

  • A randomized controlled study involving 100 patients undergoing elbow, arm, or hand surgery.
  • Patients were allocated to either the transarterial (T) or paraarterial (P) brachial plexus block group (n=50 each).
  • Standardized local anesthesia (lidocaine with epinephrine) and sedation (fentanyl and midazolam) were administered.

Main Results:

  • The paraarterial technique demonstrated a significantly quicker onset of anesthesia (3.5 min) compared to the transarterial approach (13.4 min) (p < 0.001).
  • Success rates were higher with the paraarterial method (98%) versus the transarterial method (86%) (p = 0.03).
  • Complication rates were low, with 2% total failure in the paraarterial group and 6% in the transarterial group.

Conclusions:

  • The paraarterial approach for brachial plexus block is superior due to its faster onset and higher success rate.
  • This technique is recommended as the preferable method for axillary blocks.
  • Optimizing brachial plexus blockade techniques can enhance surgical anesthesia and patient recovery.