2,417 results match your criteria: "Toxicity Lidocaine"

Local anesthetics are commonly used in ophthalmic surgery. However, their use can affect the healing process. This study aimed to investigate the potential impact of anesthetic substances at clinically relevant concentrations and incubation times (3 min), specifically oxybuprocaine (OBPC, 0.

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Sickle cell disease (SCD) vaso-occlusive episode (VOE) pain is treated with opioids, and non-opioid adjuvants may reduce pain severity without opioid side effects. We retrospectively investigated the safety and tolerability of intravenous lidocaine infusions as an adjunct to opioids in children and adolescents during VOE hospitalizations. In 2 years, lidocaine was administered in 64.

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Development and application of a quantitative LC-MS/MS assay for the analysis of four dental local anesthetics in human plasma and breast milk.

J Chromatogr B Analyt Technol Biomed Life Sci

January 2025

Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing 100730, China. Electronic address:

Local anesthetics (LAs: articaine, lidocaine, bupivacaine, and mepivacaine) are essential for dental pain management. However, there are concerns that the lipophilic LAs could cross into breast milk causing toxicity to the infant. Our objective was to establish a multi-analyte LC-MS/MS method for the concurrent quantification of local anesthetics (LAs) in human plasma and breast milk, clarifying the transfer of LAs from plasma to breast milk, thereby offering crucial data for the safe assessment of LAs during the nursing period.

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Capsaicin-Loaded Melanin Nanoparticles for Long-Lasting Nociceptive-Selective Nerve Blockade.

Langmuir

November 2024

Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama 35487, United States.

Article Synopsis
  • Clinically used local anesthetics like bupivacaine and lidocaine have issues with short duration and affecting both pain and motor functions, leading to unwanted muscle weakness.
  • Researchers developed capsaicin-loaded melanin nanoparticles (Cap-MNPs) that selectively target sensory neurons, aiming for effective pain relief without impacting motor function.
  • Cap-MNPs demonstrated high drug loading efficiency and sustained release, providing a 6-hour sciatic sensory nerve block in rats without local or systemic toxicity, suggesting potential for future clinical pain management.
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Purpose: Intravenous lidocaine is a non-opioid analgesic adjunct for perioperative pain relief. The aim of our study was to explore whether concurrent administration of intravenous lidocaine prolongs the duration of sensory block during total knee replacement (TKR) under spinal anaesthesia.

Methods: This prospective randomized double blind controlled trial was conducted on 28 patients (14 in lidocaine group and 14 in the control group) undergoing unilateral TKR under spinal anesthesia.

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Pharmacokinetics and Safety of Endotracheal Lidocaine for Endotracheal Intubation in Critically Ill Children.

Paediatr Drugs

November 2024

Division of Pediatric Critical Care, Department of Pediatrics, University of Louisville, Norton Children's Hospital, Louisville, KY, 40202, USA.

Introduction: Critically ill pediatric patients are endotracheally intubated in pediatric intensive care units for a variety of illnesses and indications. Management of an endotracheal tube (ETT) requires suctioning to remove patient secretions and prevent occlusion, but this practice can be associated with adverse events, such as hemodynamic deterioration or increases in intracranial pressure. Instillation of lidocaine into the ETT before suctioning may be beneficial in preventing these events.

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Background: With an aging population, knee arthroplasty is increasingly common; however, chronic postsurgical pain (CPSP) affects up to 30% of patients. This study aims to evaluate the efficacy of 5% lidocaine-medicated plaster (LP5) in preventing CPSP among patients undergoing knee arthroplasty.

Methods: This is a dual-center, randomized, double-blind, placebo-controlled trial involving 128 adult patients scheduled for knee arthroplasty.

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Although rare, local anesthetic use has been associated with adverse central nervous system and cardiovascular adverse events. One complication is local anesthetic systemic toxicity (LAST), wherein the anesthetic agent inadvertently enters systemic circulation resulting in widespread inhibition of fast-gated sodium channels. Organs dependent on aerobic metabolism, such as the heart and brain, are especially susceptible to toxic injury resulting in cardiovascular collapse.

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Peripheral nerve injuries (PNIs) are common, costly, and cause significant pain. Effective management of PNIs involves tailoring medications to the injury type as well as understanding the pharmacokinetics/pharmacodynamics to support nerve regeneration and reduce pain. Opioids act on opioid receptors to significantly reduce pain for many patients, but there are significant addiction risks and side effects.

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: Tumescent local anesthesia (TLA) is widely used in esthetic surgery due to its ability to reduce complications, eliminate the need for general anesthesia, provide effective pain control, and shorten hospitalization times. : This study evaluates the use of TLA in 80 patients who underwent augmentation mastopexy between 2010 and 2022. A tumescent solution containing 500 mg lidocaine, 672 mg sodium bicarbonate, and 1 mg epinephrine in 1000 mL of saline was infiltrated, with an average of 300 mL per breast.

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This project is conceived to reveal the role of lidocaine in the process of Alzheimer's disease (AD) and its possible downstream targets. After the employment of AD cell model in mice hippocampal neuronal HT-22 cells in the presence of amyloid-β1-42 (Aβ1-42), Cell Counting Kit-8 method investigated cell viability. Oxidative damage was assayed based on a dichloro-dihydro-fluorescein diacetate fluorescent probe and commercially available kits.

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Advancing Reduction Mammaplasty Surgery: Advancements and Outcomes with Tumescent Local Anaesthesia.

Aesthetic Plast Surg

September 2024

Plastic Surgery Unit, Department of Surgical, Microsurgical and Medical Sciences, University of Sassari, Sassari, Italy.

Background: Tumescent local anaesthesia (TLA) is a method of anaesthesia used for surgical procedures that involves the infusion of a saline solution containing lidocaine, sodium bicarbonate, and epinephrine. This anaesthetic technique is designed to achieve both vasoconstriction and anaesthesia. In this article, we present a modified TLA protocol specifically adapted for reduction mammaplasty, based on an analysis of clinical case histories collected over the past few years.

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Optimizing Gynecomastia Correction Surgery: Efficacy and Safety of Tumescent Local Anesthesia Approach.

Aesthetic Plast Surg

September 2024

Department of Surgical, Microsurgical and Medical Sciences, Plastic Surgery Unit, University of Sassari, Sassari, Italy.

Article Synopsis
  • * A total of 60 male patients underwent the procedure (2010-2023), where liposuction and periareolar excision were performed, with an average of 300 mL of tumescent solution used per breast, resulting in minimal complications.
  • * The findings indicate that this outpatient method is both effective and safe, with a low rate of major (6.7%) and minor (5%) postoperative complications, and patients reported no pain during the surgery.
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Study Objective: To simulate bupivacaine pharmacokinetics in scenarios of labor epidural analgesia (LEA) extended for intrapartum cesarean delivery (CD) with epidural or intrathecal boluses, followed by transversus abdominis plane (TAP) block with liposomal bupivacaine (LB) for postcesarean analgesia.

Design: Bupivacaine plasma concentrations were simulated using a 2-compartment distribution model fit to previous study data.

Setting: Virtual pharmacokinetic simulations.

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Clinical suspicion, clinical presentation, and electrocardiogram can help clinicians diagnose flecainide toxicity. Currently, there are no guidelines for the management of patients with flecainide toxicity. Sodium bicarbonate, lipid emulsion therapy, and extracorporeal life support have been used in this setting.

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Lidocaine hydrochloride (HCl) 2% with 1:100,000 epinephrine (LW/E) is widely used to prevent pain during dental procedures and has been associated with injection sting, jittering effects, slow onset, and a bitter aftertaste. Since LW/E's introduction in 1948, no significant modifications have been proposed. This study aims to design and characterize an improved dental lidocaine HCl injectable formulation without epinephrine (LW/O/E) via buffers, sweeteners, and amino acids.

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Methotrexate (MTX) is a common medication used to treat rheumatoid arthritis (RA). MTX inhibits rapid cell turnover throughout the body which can lead to significant side effects. Patients who present with oral lesions may have suffered severe acute toxicity from MTX.

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We present a 25-year-old, gravida 2, para 1 woman who developed apparent local anesthetic systemic toxicity (LAST) following activation of an epidural catheter for an urgent cesarean delivery. The patient had a height of 150 cm, weight of 92 kg, body mass index of 41 kg/m, and calculated ideal body weight of 40 kg. A combined spinal epidural anesthetic was placed and the spinal component did not provide anesthesia to clamping of the abdomen.

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We performed a systematic review and network meta-analysis (NMA) to assist clinicians in determining the optimal patient-specific method of analgesia during radial artery puncture by comparing radial artery puncture procedural pain. We included randomized controlled trials that assessed the prophylactic efficacy of local anesthesia for radial artery puncture-associated pain. We searched the Medical Literature Analysis and Retrieval System Online in January 2023, the Cochrane Central Register of Controlled Trials in January 2023, the Excerpta Medica Database in December 2022, the World Health Organization International Clinical Trials Platform Search Portal in January 2023, and ClinicalTrials.

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Background: Lidocaine/prilocaine (EMLA) cream is a local anesthetic that is applied to the skin or mucosa during painful therapeutic procedures with few reported side effects.

Case Summary: Here, we report the use of dermatoscopy to identify a case of erythema with purpura, a rare side effect, after the application of 5% EMLA cream.

Conclusion: We conclude that erythema with purpura is caused by irritation and toxicity associated with EMLA, but the specific mechanism by which the toxic substance affects skin blood vessels is unclear.

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Propofol does not alter the protein binding and unbound concentration of lidocaine at clinically targeted plasma concentrations in vitro - A short communication.

Anaesth Crit Care Pain Med

October 2024

Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Butterfield St, Herston 4006, Queensland, Australia; Faculty of Medicine, The University of Queensland, St Lucia 4067, Queensland, Australia.

Article Synopsis
  • This study investigates how different concentrations of propofol affect the protein binding and concentration of lidocaine in human plasma used during general anesthesia.! -
  • The research involved adding specific concentrations of propofol and lidocaine to drug-free human plasma and analyzing the results using advanced chromatography techniques.! -
  • Findings showed that propofol does not significantly change the binding of lidocaine, maintaining a consistent level of protein binding similar to previous studies.!
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