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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: Clinical Application as Epidural Anesthesia01:29

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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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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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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.
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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.
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Regional anesthesia practice in China: a survey.

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A survey of Chinese anesthesiologists reveals regional anesthesia practices and safety concerns. Many practitioners lack peripheral nerve block training and essential safety equipment, highlighting areas for improvement in regional anesthesia care in China.

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Area of Science:

  • Anesthesiology
  • Regional Anesthesia
  • Surgical Safety

Background:

  • Neuraxial anesthesia is common in China.
  • Peripheral nerve blocks with nerve stimulator and ultrasound guidance are emerging.
  • Nationwide data on regional anesthesia practices in China are limited.

Purpose of the Study:

  • To survey Chinese anesthesiologists on regional anesthesia techniques.
  • To assess drug selections, complications, and treatments.
  • To establish a benchmark for regional anesthesia practices in China.

Main Methods:

  • A nationwide survey distributed via WeChat to anesthesiologist members.
  • Respondents completed the survey on mobile or desktop devices.
  • Each IP address allowed one submission to ensure data integrity.

Main Results:

  • A 40% response rate from 2654 anesthesiologists.
  • 41% reported over 50% of surgeries used regional anesthesia.
  • Most used test doses; 2.6% reported epidural hematoma.
  • 68.2% performed blind peripheral nerve blocks.
  • 80% of hospitals lacked Intralipid; 61% had no PNB training.

Conclusions:

  • The survey provides a benchmark for regional anesthesia in China.
  • Identified potential safety issues in regional anesthesia practices.
  • Highlights a need for improved training and resource availability.