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Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

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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...
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Stages of General Anesthesia01:22

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Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
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Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

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Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
164
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

690
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...
690
Local Anesthetics: Pharmacokinetics01:13

Local Anesthetics: Pharmacokinetics

812
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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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

462
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...
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Anesthesia in the Korean War.

Elizabeth Zhao1, Justin Barr2

  • 1From the Duke University School of Medicine, Durham, North Carolina.

Anesthesia and Analgesia
|May 19, 2023
PubMed
Summary
This summary is machine-generated.

Anesthesia during the Korean War saw 12.9% of patients receive spinal anesthesia, contrary to recommendations. General anesthesia was most common, though newer techniques like endotracheal intubation were underutilized.

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Area of Science:

  • Military Medicine
  • Anesthesiology
  • History of Medicine

Background:

  • Anesthesia practices in military settings during wartime are critical for casualty care.
  • Understanding historical anesthetic techniques provides insights into medical advancements and their adoption.

Purpose of the Study:

  • To describe the practice of anesthesia in Mobile Army Surgical Hospital (MASH) units and the 171st Evacuation Hospital during the Korean War in 1953.
  • To analyze the utilization of different anesthetic techniques based on primary source documentation.

Main Methods:

  • Analysis of original, primary source documentation from the National Archives, specifically Essential Technical Medical Data Sheets from 1953.
  • Quantitative reporting of anesthetic practices as percentages.

Main Results:

  • General anesthesia was administered to 69.2% of wounded soldiers, primarily using thiopental and nitrous oxide.
  • Despite recommendations, 12.9% received spinal anesthetics.
  • Endotracheal intubation was used in only 20.6% of cases, and curare-based drugs in 6%.

Conclusions:

  • General anesthesia dominated military practice during the Korean War, with limited adoption of newer anesthetic techniques like endotracheal intubation.
  • Anesthetic care mirrored World War II practices but spurred reforms in the 1950s for future military conflicts.
  • This study is the first English-language article detailing Korean War anesthesia practices using primary sources.