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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.
One of the advantages of...
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

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...
General Anesthesia: Overview01:24

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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...
Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia01:30

Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia

Depending on the target organ, local anesthetics (LAs) can be administered via various routes. In surface anesthesia, LAs are applied directly to the surface of the skin or mucous membranes. It is widely used for topical skin numbing before venipuncture or minor surgical procedures. Commonly used surface local anesthetics are lidocaine or benzocaine sprays or creams. Surface anesthesia occurs within 5 minutes and lasts for about 60 minutes. One of the main disadvantages of topical anesthesia is...
Local Anesthetics: Pharmacokinetics01:13

Local Anesthetics: Pharmacokinetics

The potency and duration of action of local anesthetics (LAs) are determined by their pharmacokinetics. Pharmacokinetics describes how LAs are absorbed, distributed, metabolized, and eliminated from the body. When administered to the vascular tissues, LAs are quickly absorbed and enter the systemic circulation, reducing their localized effects. Adding vasoconstrictors such as epinephrine to LAs reduces their absorption into the systemic circulation, making them clinically effective. The...

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An Acupoint Catgut-embedding Therapy for Treating Obesity
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An Acupoint Catgut-embedding Therapy for Treating Obesity

Published on: April 4, 2025

Regional anesthesia and obesity.

Jay B Brodsky1, Harry J M Lemmens

  • 1Department of Anesthesia, Stanford University School of Medicine, Stanford, CA 94305, USA. Jbrodsky@stanford.edu

Obesity Surgery
|December 13, 2007
PubMed
Summary

Regional anesthesia offers benefits like better pain relief and faster recovery, especially for obese patients. More research is needed to confirm its effectiveness and outcomes in this population.

Area of Science:

  • Anesthesiology
  • Surgical Patient Care

Background:

  • Obesity presents unique challenges in surgical patient management.
  • Regional anesthesia offers potential benefits over general anesthesia for surgical patients.

Purpose of the Study:

  • To review the application of regional anesthetic techniques in obese surgical patients.
  • To highlight the advantages of regional anesthesia in the context of obesity.

Main Methods:

  • Literature review of regional anesthesia techniques in obesity.
  • Discussion of anesthetic considerations for obese patients.

Main Results:

  • Regional anesthesia may provide advantages such as minimal airway intervention and less cardiopulmonary depression.
  • Benefits include excellent postoperative analgesia and reduced postoperative nausea and vomiting.

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  • Shorter recovery room and hospital stays are potential outcomes.

    • Conclusions:

    • Regional anesthesia is a viable option for obese surgical patients.
    • Further clinical studies are required to establish definitive outcomes for regional anesthesia in obese and morbidly obese patients.