Question of the Month – August 2021
Membrane stabilizers are commonly used to treat both acute and chronic pain in children and adolescents. Which of the following is the MOST likely mechanism of gabapentin?
Correct!
Wrong!
Question of the Month - August 2021
Correct Answer: B. Selective inhibition on voltage-gated calcium channels containing the α2δ-1 subunit
Although early proposed mechanisms of gabapentin were interaction by activation of the GABAB receptors containing the GABAB1a and GABAB2 subunits, thereby enhancing NMDA current or inhibiting AMPA-receptor-mediated transmission to the spinal cord, more recent studies have instead favored selective inhibition at the α2δ-1 subunit of spinal N-type Ca (2+) channels.
References:
1. Chen J, Li L, Chen SR, et al. The α2δ-1-NMDA Receptor Complex Is Critically Involved in Neuropathic Pain Development and Gabapentin Therapeutic Actions. Cell Rep. 2018;22(9):2307-2321. doi:10.1016/j.celrep.2018.02.021
2. Cheng JK, Chiou LC. Mechanisms of the antinociceptive action of gabapentin. J Pharmacol Sci. 2006;100(5):471-86. doi: 10.1254/jphs.cr0050020. Epub 2006 Feb 11. PMID: 16474201.
3. Li G, Li P. (2020, Summer) The use of membrane stabilizers in acute and chronic pain. SPPM Newsletter. Retrieved from https://pedspainmedicine.org/wp- content/uploads/newsletters/2020/summer/nonopioid/Membrane%20Stabilizers%20.html
4. Sills GJ, Rogawski MA. Mechanisms of action of currently used antiseizure drugs. Neuropharmacology. 2020 May 15;168:107966. doi: 10.1016/j.neuropharm.2020.107966. Epub 2020 Jan 14. PMID: 32120063.
Although early proposed mechanisms of gabapentin were interaction by activation of the GABAB receptors containing the GABAB1a and GABAB2 subunits, thereby enhancing NMDA current or inhibiting AMPA-receptor-mediated transmission to the spinal cord, more recent studies have instead favored selective inhibition at the α2δ-1 subunit of spinal N-type Ca (2+) channels.
References:
1. Chen J, Li L, Chen SR, et al. The α2δ-1-NMDA Receptor Complex Is Critically Involved in Neuropathic Pain Development and Gabapentin Therapeutic Actions. Cell Rep. 2018;22(9):2307-2321. doi:10.1016/j.celrep.2018.02.021
2. Cheng JK, Chiou LC. Mechanisms of the antinociceptive action of gabapentin. J Pharmacol Sci. 2006;100(5):471-86. doi: 10.1254/jphs.cr0050020. Epub 2006 Feb 11. PMID: 16474201.
3. Li G, Li P. (2020, Summer) The use of membrane stabilizers in acute and chronic pain. SPPM Newsletter. Retrieved from https://pedspainmedicine.org/wp- content/uploads/newsletters/2020/summer/nonopioid/Membrane%20Stabilizers%20.html
4. Sills GJ, Rogawski MA. Mechanisms of action of currently used antiseizure drugs. Neuropharmacology. 2020 May 15;168:107966. doi: 10.1016/j.neuropharm.2020.107966. Epub 2020 Jan 14. PMID: 32120063.
Question of the Month – July 2021
July's Question Submitted By:
Jamie Kitzman, MD
Pediatric Anesthesiologist
Assistant Professor
Department of Anesthesiology
Children's Healthcare of Atlanta
Yintang is an acupuncture point that has been shown to decrease preoperative anxiety in children and adults. Which of the following statements is true about Yintang?
Correct!
Wrong!
Question of the Month - July 2021
CORRECT ANSWER: E. All of the above statements are true.
RATIONALE:
Yintang is a very commonly used acupuncture point used in the treatment of pain and anxiety. It is an easy point to locate making it a very teachable point for others to use. Medical providers can learn how to apply acupressure to this point and, in turn, teach their patients and/or parents of patients how to use this point. It is located at the glabella, or midpoint between the eyebrows. To perform acupressure, sit/lay down in a comfortable position. Then, apply firm, deep pressure for 5 seconds in a circular motion and release. Allow the muscles in your face to relax. Repeat as needed. There are many studies demonstrating its effectiveness in the treatment of preprocedural anxiety. It is also commonly used in the treatment of pain, headache, agitation, nasal/sinus ailments, and insomnia.
Picture from https://jinshinjyutsuheleneiliste.wordpress.com/tag/yin-tang/
REFERENCES
1. Kwon CY, Lee B. Acupuncture or Acupressure on Yintang (EX-HN 3) for Anxiety: A Preliminary Review. Med Acupunct. 2018 Apr 1;30(2):73-79. doi: 10.1089/acu.2017.1268. PMID: 29682147; PMCID: PMC5908420.
2. Wiles MD, Mamdani J, Pullman M, Andrzejowski JC. A randomised controlled trial examining the effect of acupuncture at the EX-HN3 (Yintang) point on pre-operative anxiety levels in neurosurgical patients. Anaesthesia. 2017 Mar;72(3):335-342. doi: 10.1111/anae.13785. Epub 2017 Jan 16. PMID: 28092106.
3. Wang SM, Escalera S, Lin EC, Maranets I, Kain ZN. Extra-1 acupressure for children undergoing anesthesia. Anesth Analg. 2008 Sep;107(3):811-6. doi: 10.1213/ane.0b013e3181804441. PMID: 18713889.
RATIONALE:
Yintang is a very commonly used acupuncture point used in the treatment of pain and anxiety. It is an easy point to locate making it a very teachable point for others to use. Medical providers can learn how to apply acupressure to this point and, in turn, teach their patients and/or parents of patients how to use this point. It is located at the glabella, or midpoint between the eyebrows. To perform acupressure, sit/lay down in a comfortable position. Then, apply firm, deep pressure for 5 seconds in a circular motion and release. Allow the muscles in your face to relax. Repeat as needed. There are many studies demonstrating its effectiveness in the treatment of preprocedural anxiety. It is also commonly used in the treatment of pain, headache, agitation, nasal/sinus ailments, and insomnia.

REFERENCES
1. Kwon CY, Lee B. Acupuncture or Acupressure on Yintang (EX-HN 3) for Anxiety: A Preliminary Review. Med Acupunct. 2018 Apr 1;30(2):73-79. doi: 10.1089/acu.2017.1268. PMID: 29682147; PMCID: PMC5908420.
2. Wiles MD, Mamdani J, Pullman M, Andrzejowski JC. A randomised controlled trial examining the effect of acupuncture at the EX-HN3 (Yintang) point on pre-operative anxiety levels in neurosurgical patients. Anaesthesia. 2017 Mar;72(3):335-342. doi: 10.1111/anae.13785. Epub 2017 Jan 16. PMID: 28092106.
3. Wang SM, Escalera S, Lin EC, Maranets I, Kain ZN. Extra-1 acupressure for children undergoing anesthesia. Anesth Analg. 2008 Sep;107(3):811-6. doi: 10.1213/ane.0b013e3181804441. PMID: 18713889.
Question of the Month – April 2021
Question of the Month – March 2021
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