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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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 Epidural Anesthesia

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 Spinal Anesthesia

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: Overview

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: Common Agents and Their Applications

Local Anesthetics: Common Agents and Their Applications

Local anesthetics (LAs) are commonly used for various applications in medical and dental procedures. Some of the common agents used are cocaine, lidocaine, and bupivacaine.
Cocaine is an ester of benzoic acid and methylecgogine. It is used to anesthetize and vasoconstrict locally. Currently, it is used primarily for topical applications. It is beneficial for surgeries on the upper respiratory tract, providing anesthesia and shrinking the mucosa. Cocaine in the form of cocaine hydrochloride is...

Local Anesthetics: Pharmacokinetics

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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Related Experiment Video

Updated: May 24, 2026

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers

Published on: January 13, 2018

Rural anaesthetic audit 2006 to 2010.

P D Mills¹, J Newbury

¹Ceduna Hospital, South Australia, Australia. pdavis.mills@adelaide.edu.au

Anaesthesia and Intensive Care

|March 16, 2012

Summary

This summary is machine-generated.

General practitioner anaesthetists provided safe anesthesia in a remote rural hospital, with no deaths or serious adverse events reported. Key factors included careful case selection and experienced staff, highlighting the importance of quality assurance in remote anesthesia services.

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Area of Science:

Anesthesiology
Rural Health
Quality Improvement

Background:

Assessing anesthetic morbidity is crucial for patient safety, especially in remote settings.
General practitioner (GP) anaesthetists often provide essential services in rural hospitals.
Auditing anesthetic outcomes is a key component of quality assurance.

Purpose of the Study:

To review anesthetic morbidity and outcomes over a five-year period in a remote rural hospital.
To evaluate the safety and effectiveness of anesthesia provided by GP anaesthetists.
To identify factors contributing to adverse events and inform quality improvement initiatives.

Main Methods:

Retrospective audit of 889 anesthetic records from 2006-2010.
Inclusion of patients with American Society of Anaesthesiologists physical status I to III.
Analysis of intraoperative and postoperative problems, including difficult intubation and respiratory depression.

Main Results:

No anesthetic deaths or serious adverse outcomes were reported.
16 intraoperative and 7 postoperative problems occurred, all resolved uneventfully.
Difficult intubation (n=9) and respiratory depression (n=3) were the most common issues.

Conclusions:

GP anaesthetists provided safe anesthesia in a remote rural hospital.
Factors contributing to safety include case selection, experienced staff, and established protocols.
Regular auditing of anesthetic services is recommended for ongoing quality assurance, particularly in remote areas.