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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

744
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...
744
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

552
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.
One of the advantages of...
552
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

490
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...
490

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Related Experiment Video

Updated: Sep 2, 2025

Author Spotlight: Enhancing Success of Ultrasound-Guided Neuraxial Anesthesia in Cases with Difficult Anatomy
03:14

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Published on: January 31, 2025

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White Cane Approach to Teaching Spinal Anesthesia.

Donald H Lambert1,2, BobbieJean Sweitzer3,4

  • 1From the Department of Anesthesiology, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts.

A&A Practice
|August 8, 2022
PubMed
Summary
This summary is machine-generated.

This teaching tool suggests using a spinal needle like a white cane to improve lumbar puncture success for anesthesiology trainees. Practicing this technique enhances efficiency and trainee confidence in performing spinal anesthesia.

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Area of Science:

  • Anesthesiology
  • Medical Education
  • Neurosurgery

Background:

  • Aging-associated obesity and osteoarthritis present challenges for spinal anesthesia.
  • Identifying surface anatomy and landmarks for lumbar puncture is difficult for trainees.

Purpose of the Study:

  • To introduce a novel teaching tool for spinal anesthesia.
  • To improve trainee success in performing lumbar punctures.

Main Methods:

  • A teaching tool using illustrations and instructions is presented.
  • The technique involves using a spinal needle analogously to a blind person's white cane.
  • Pre-procedure review of technique is emphasized.

Main Results:

  • The proposed method aims to enhance a trainee's ability to locate the intrathecal space.
  • Improved efficiency and success rates in performing lumbar punctures are anticipated.

Conclusions:

  • This tactile approach may significantly improve spinal anesthesia training.
  • Pre-procedure instruction and practice can optimize patient care and trainee outcomes.