Membrane interactivity of charged local anesthetic derivative and stereoselectivity in membrane interaction of local anesthetic enantiomers

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Membrane interactivity of charged local anesthetic derivative and stereoselectivity in membrane interaction of local anesthetic enantiomers

With respect to the membrane lipid theory as a molecular mechanism for local anesthetics, two critical subjects, the negligible effects of charged drugs when applied extracellularly and the stereoselective effects of enantiomers, were verified by paying particular attention to membrane components, phospholipids with the anionic property, and cholesterol with several chiral carbons. The membrane...

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Subcutaneous emphysema following trans-cricothyroid membrane injection of local anesthetic.

PURPOSE To present a case of preoperative subcutaneous emphysema (SCE) as a complication of trans-cricothyroid membrane (TCM) injection of lidocaine for awake intubation. CLINICAL FEATURES A 48-yr-old man with cervical myelopathy was scheduled for elective cervical discectomy. Airway topical anesthesia consisted of lidocaine pledgets and TCM injection. After successful awake fibreoptic intuba...

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Platelet membrane alterations induced by the local anesthetic dibucaine.

Tertiary amine local anesthetics modify a variety of platelet membrane-related functions. The present study explored dibucaine (DB)-induced inhibition of platelet cohesion by examining structural and functional alterations of the human platelet membrane glycoprotein IIb-IIIa complex (GPIIb-IIIa) and platelet Ca2+ homeostasis. Complete inhibition of ADP-induced aggregation was achieved five minu...

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Point mutations at N434 in D1-S6 of mu1 Na(+) channels modulate binding affinity and stereoselectivity of local anesthetic enantiomers.

Voltage-gated Na(+) channels are the primary targets of local anesthetics (LAs). Amino acid residues in domain 4, transmembrane segment 6 (D4-S6) form part of the LA binding site. LAs inhibit binding of the neurotoxin batrachotoxin (BTX). Parts of the BTX binding site are located in D1-S6 and D4-S6. The affinity of BTX-resistant Na(+) channels mutated in D1-S6 (mu1-N434K, mu1-N437K) toward seve...

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Hypersensitivity Reaction to Local Anesthetic in Dentistry: A Case Report

Background and Aim: Local anesthesia plays an important role in dentistry. Although hypersensitivity reactions to local anesthetic drugs are rare,but they are more common in dental cartridge components. This study reports a rare case of hypersensitivity to components of local anesthesia cartridge. Case Report: A 61-year-old female patient referred to The Medical Council to complain the dentist ...

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ژورنال

عنوان ژورنال: Local and Regional Anesthesia

سال: 2008

ISSN: 1178-7112

DOI: 10.2147/lra.s3876