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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

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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.
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Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
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Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

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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...
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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...
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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

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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.
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Patient-Reported Quality of Recovery after Local Anesthesia versus Brachial Plexus Block in Hand Surgery: A

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Local anesthesia (LA) is as effective as brachial plexus (BP) block for hand surgery recovery. This study found LA noninferior to BP block for quality of recovery, pain, and opioid use.

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Area of Science:

  • Anesthesiology
  • Orthopedic Surgery
  • Patient Outcomes

Background:

  • Local anesthesia (LA) and brachial plexus (BP) anesthesia are common in hand surgery.
  • LA offers increased efficiency and reduced costs.
  • BP block is often preferred for complex procedures despite higher resource utilization.

Purpose of the Study:

  • To assess the quality of recovery in patients undergoing hand surgery with LA versus BP block.
  • To compare postoperative pain and opioid consumption between the two anesthesia types.

Main Methods:

  • A randomized, controlled, noninferiority study.
  • Patients received either LA (wrist or digital block) or BP block (infraclavicular block).
  • Quality of Recovery-15 questionnaire, numeric pain rating scale, and narcotic consumption were assessed postoperatively.

Main Results:

  • No statistically significant difference in Quality of Recovery-15 scores between LA and BP block groups.
  • LA demonstrated noninferiority to BP block, with the inferiority margin below the minimal clinically important difference.
  • No significant differences in postoperative pain or narcotic consumption were observed between groups.

Conclusions:

  • Local anesthesia is noninferior to brachial plexus block for hand surgery.
  • LA provides comparable quality of recovery, pain management, and opioid use to BP block.