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Topical anesthetic

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https://www.readbyqxmd.com/read/28935596/animal-models-for-evaluation-of-oral-delivery-of-biopharmaceuticals
#1
REVIEW
Stine Harloff-Helleberg, Line Hagner Nielsen, Hanne Mørck Nielsen
Biopharmaceuticals are increasingly important for patients and the pharmaceutical industry due to their ability to treat and, in some cases, even cure chronic and potentially life-threatening diseases. Most biopharmaceuticals are administered by injection, but intensive focus on development of systems for oral delivery of biopharmaceuticals may result in new treatment modalities to increase patient compliance and reduce product cost. In the preclinical development phase, use of experimental animal models is essential for evaluation of new formulation designs...
September 18, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28933696/a-novel-topical-wound-therapy-delivery-system
#2
Ingrid Herskovitz, Flor E MacQuhae, Luis J Borda, Stephanie Bhagwandin, Juan A Paredes, Thais Polanco, John C Lantis, Paul J Kim, Tania J Phillips, Robert S Kirsner
INTRODUCTION: Wound care dressings have evolved over time, from bandaging to the development of occlusive dressings to negative pressure wound therapy. A novel therapeutic delivery system dressing has been cleared by the United States Food and Drug Administration. This semi occlusive wound dressing has been developed to provide local, continuous delivery of aqueous topical agents, such as therapeutics (anesthetics, antiseptics, antibiotics, steroids, topical beta-blockers, immune modulatory agents, growth factors, and fibrinolytic agents, among others), at a rate of about ¾ mL per day, thus maintaining a hydrated environment and providing topical treatment...
September 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28919152/erector-spinae-plane-esp-block-in-the-management-of-post-thoracotomy-pain-syndrome-a-case-series
#3
Mauricio Forero, Manikandan Rajarathinam, Sanjib Adhikary, Ki Jinn Chin
BACKGROUND AND AIMS: Post thoracotomy pain syndrome (PTPS) remains a common complication of thoracic surgery with significant impact on patients' quality of life. Management usually involves a multidisciplinary approach that includes oral and topical analgesics, performing appropriate interventional techniques, and coordinating additional care such as physiotherapy, psychotherapy and rehabilitation. A variety of interventional procedures have been described to treat PTPS that is inadequately managed with systemic or topical analgesics...
September 11, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28879311/recent-advances-in-topical-anesthesia
#4
REVIEW
Hyo-Seol Lee
Topical anesthetics act on the peripheral nerves and reduce the sensation of pain at the site of application. In dentistry, they are used to control local pain caused by needling, placement of orthodontic bands, the vomiting reflex, oral mucositis, and rubber-dam clamp placement. Traditional topical anesthetics contain lidocaine or benzocaine as active ingredients and are used in the form of solutions, creams, gels, and sprays. Eutectic mixtures of local anesthesia cream, a mixture of various topical anesthetics, has been reported to be more potent than other anesthetics...
December 2016: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28874945/pediatric-exposures-to-topical-benzocaine-preparations-reported-to-a-statewide-poison-control-system
#5
Rais Vohra, Serena Huntington, Jennifer Koike, Kevin Le, Richard J Geller
INTRODUCTION: Topical benzocaine is a local anesthetic commonly used to relieve pain caused by teething, periodontal irritation, burns, wounds, and insect bites. Oral preparations may contain benzocaine concentrations ranging from 7.5% to 20%. Pediatric exposure to such large concentrations may result in methemoglobinemia and secondarily cause anemia, cyanosis, and hypoxia. METHODS: This is a retrospective study of exposures reported to a statewide poison control system...
August 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28860910/success-rate-of-placement-of-a-bicanalicular-stent-for-partial-nasolacrimal-obstruction-in-adults-under-local-monitored-anesthesia-care-and-general-anesthesia
#6
David I Silbert
PURPOSE: To study The Kaneka Lacriflow Stent, a self-retaining bicanalicular intubation set that can be placed under local anesthetic, providing a new option to treat epiphora and partial NLDO. DESIGN: Retrospective chart review. SUBJECTS: 93 adult patients requiring treatment for a partial NLDO were evaluated. Stents were placed in office setting under local/topical anesthetic or in OR (MAC or GEN). The stent is placed with a stylet, and self-retains due to a widened portion sitting distal to the common canaliculis...
July 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28843499/intrapocket-topical-anesthetic-versus-injected-anesthetic-for-pain-control-during-scaling-and-root-planing-in-adult-patients-systematic-review-and-meta-analysis
#7
REVIEW
Letícia M Wambier, Juliana L de Geus, Thaynara Faelly Boing, Ana Claudia Rodrigues Chibinski, Denise S Wambier, Rodrigo O Rego, Alessandro D Loguercio, Alessandra Reis
BACKGROUND: In this systematic review and meta-analysis, the authors evaluated the pain during scaling and root planing with use of topical anesthetic versus that with the use of injected anesthetic in adult patients. TYPES OF STUDIES REVIEWED: The authors searched 6 databases for randomized clinical trials in which the investigators compared the clinical effectiveness of intrapocket and injectable anesthetics. The primary outcome was the risk of developing pain or intensity of pain...
August 23, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28830623/remifentanil-a-help-in-topical-strabismus-surgery
#8
I Sánchez-Guillén, R López, M A Calle, A B Diez-Lobo
OBJECTIVE: To analyze the analgesic effect of remifentanil, side effects and complications in topical strabismus surgery. To study the results of strabismus surgery with this type of anesthesia. MATERIAL AND METHOD: Retrospective descriptive study. We included 39 patients undergoing strabismus surgery with topical anesthesia and analgesia-based sedation with remifentanil. The data of the anesthetic and surgical technique, surgical results and stability of the deviation angle were analyzed...
August 19, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28805984/self-medication-misuse-in-the-middle-east-a-systematic-literature-review
#9
REVIEW
Malak M Khalifeh, Nicholas D Moore, Pascale R Salameh
Regulations usually distinguish between prescription-only (POM) and over-the-counter (OTC) medicines. The former requires medical prescription; the latter are available for SM of common minor or easily treated ailments. However, in the Eastern Mediterranean countries, theoretical prescription medicines can easily be purchased without a prescription, as self-medication (SM) resulting in potential misuse and unnecessary risk for patients. The magnitude of this activity is uncertain. The aim of this article, therefore, is to undertake a comprehensive review to identify the different types of medicines that can easily be purchased as SM in Middle East and recognized as misused...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28803519/a-case-report-of-benzocaine-induced-methemoglobinemia
#10
Chaundra R Sewell, Michael P Rivey
Methemoglobinemia is a serious medical condition characterized by the disrupted binding of oxygen to iron on hemoglobin, with a consequent impaired oxygen delivery to body tissues. Various drugs including the local anesthetics such as benzocaine can cause acquired methemoglobinemia. The reported case describes methemoglobinemia that occurred in association with the use of topical benzocaine spray and lozenges in a previously healthy 51-year-old female who had undergone colon surgery to remove a bleeding polyp...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28794654/retrospective-study-to-identify-trigeminal-cervical-ocular-referred-pain-as-a-new-causative-entity-of-ocular-pain
#11
Scheffer Cg Tseng, Anny Ms Cheng, Yao Fu
PURPOSE: To determine the prevalence and clinical characteristics of trigeminal-cervical (TC) ocular referred pain. METHODS: A retrospective study of 1,680 patients seen during 2002-2010 was performed in an ocular surface specialty center to identify patients with or without TC pain defined as ocular pain with ipsilateral trigger points located at the occipital region. Patients with refractory TC pain despite topical anesthetics and conventional treatments received interventional injection to each trigger point...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28776686/contralateral-r1-and-r2-components-of-the-laryngeal-adductor-reflex-in-humans-under-general-anesthesia
#12
Catherine F Sinclair, Maria J Téllez, Oscar R Tapia, Sedat Ulkatan
OBJECTIVES: To demonstrate that under total intravenous general anesthesia (TIVA), the contralateral R1 (cRI) and contralateral R2 (cR2) components of the laryngeal adductor reflex (LAR) can be reliably elicited; to determine effects of topical anesthesia and inhalational anesthesia on the LAR; and to discuss how this technique may be utilized to continuously monitor the vagus nerve reflex arc. STUDY DESIGN: Case series. METHODS: Vocal fold mucosa was electrically stimulated via endotracheal tube surface-based electrodes to elicit a LAR...
August 4, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28769868/hydrogen-sulfide-mediating-both-excitatory-and-inhibitory-effects-in-a-rat-model-of-meningeal-nociception-and-headache-generation
#13
Christiane Teicher, Roberto De Col, Karl Messlinger
BACKGROUND/PURPOSE: Hydrogen sulfide (H2S) is a neuromodulator acting through nitroxyl (HNO) when it reacts with nitric oxide (NO). HNO activates transient receptor potential channels of the ankyrin type 1 (TRPA1) causing release of calcitonin gene-related peptide from primary afferents. Activation of meningeal nociceptors projecting to the human spinal trigeminal nucleus (STN) may lead to headaches. In a rat model of meningeal nociception, the activity of spinal trigeminal neurons was used as read-out for the interaction between H2S and NO...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28759487/aortocaval-compression-syndrome-time-to-revisit-certain-dogmas
#14
Allison J Lee, Ruth Landau
More than 70 years ago, the phenomenon of "postural shock" in the supine position was described in healthy women in late pregnancy. Since then, avoidance of the supine position has become a key component of clinical practice. Indeed, performing pelvic tilt in mothers at term to avoid aortocaval compression is a universally adopted measure, particularly during cesarean delivery. The studies on which this practice is based are largely nonrandomized, utilized a mix of anesthetic techniques, and were conducted decades ago in the setting of avoidance of vasopressors...
July 27, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28758247/pulsed-dye-laser-treatment-of-port-wine-stains-in-children-useful-tips-to-avoid-general-anesthesia
#15
Adrián Alegre-Sánchez, Bibiana Pérez-García, Pablo Boixeda
Pulsed dye laser (PDL) treatment of port-wine stains (PWSs) in children is a common procedure performed in most laser units. Pain assessment in our younger patients is a major concern, especially in those with extensive PWSs. The use of general anesthesia (GA) results in pain-free treatment, but its effects on the developing brain are far from totally understood. Thus we propose some tips that avoid the use of GA in most of our young patients, including the use of topical anesthetics and cooling systems, large laser spot size and high frequencies, early and frequent treatment with parents present, and the "introduction" and "pressure" techniques, among others...
July 30, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28719485/does-the-application-of-heat-gel-pack-after-eutectic-mixture-of-local-anesthetic-cream-improve-venipuncture-or-intravenous-cannulation-success-rate-in-children-a-randomized-control-trial
#16
Silvana Schreiber, Giorgio Cozzi, Giuseppa Patti, Andrea Taddio, Marcella Montico, Chiara Pierobon, Egidio Barbi
OBJECTIVE: Needle-related procedures are the most common sources of pain for children in the hospital setting. The most used topical anesthetic, eutectic mixture of local anesthetic (EMLA) cream, may cause transient vasoconstriction. It has been postulated that this vasoconstriction may decrease vein visualization. The application of heat gel pack after removal of EMLA cream in the site of venipuncture counteracts the vasoconstriction, improving vein visualization. We assessed using a prospective randomized controlled trial whether the application of heat gel pack increases the needle procedure success rate...
July 17, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28719234/the-in-vivo-effects-of-the-cb1-positive-allosteric-modulator-gat229-on-intraocular-pressure-in-ocular-normotensive-and-hypertensive-mice
#17
Elizabeth A Cairns, Anna-Maria Szczesniak, Alex J Straiker, Pushkar M Kulkarni, Roger G Pertwee, Ganesh A Thakur, William H Baldridge, Melanie E M Kelly
PURPOSE: Orthosteric cannabinoid receptor 1 (CB1) activation leads to decreases in intraocular pressure (IOP). However, use of orthosteric CB1 agonists chronically has several disadvantages, limiting their usefulness as clinically relevant drugs. Allosteric modulators interact with topographically distinct sites to orthosteric ligands and may be useful to circumvent some of these disadvantages. The purpose of this study was to investigate the effects of the novel CB1-positive allosteric modulator (PAM) GAT229 on IOP...
July 18, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28717616/topical-polidocanol-application-in-combination-with-static-stretching-in-tendinopathies-a-prospective-pilot-study
#18
Matthias Gatz, Simone Schrading, Timm Dirrichs, Marcel Betsch, Markus Tingart, Björn Rath, Christiane Kuhl, Valentin Quack
BACKGROUND: Highly operator-based injection therapy with vasosclerosing and anesthetic polidocanol is used for tendinopathies. This pilot-study evaluates the topical application of polidocanol gel. METHODS: Prospective case series. 39 patients with tendinopathies (14 Achilles, 14 patella, 11 wrist extensors) with a symptom duration > 6 months were included. Polidocanol and static stretching were the therapy in the first 2 weeks, while static stretching was continuously performed for 6 months...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28716738/photodynamic-therapy-and-pain-a-systematic-review
#19
Jennifer Maria Ang, Irbaz Bin Riaz, Muhammad Umar Kamal, Gyorgy Paragh, Nathalie C Zeitouni
Photodynamic therapy (PDT) is an effective treatment for actinic keratoses and early skin cancers, and the only office procedure to control field cancerization. Procedure-associated pain limits widespread PDT use and by early termination of treatment can decrease overall therapeutic efficacy. Here we review and assess reported interventions on PDT-associated pain, in order to identify the most promising methods to manage treatment-associated pain and identify focus for future studies. Literature search was performed using MEDLINE, EMBASE, and the Cochrane Library by two independent reviewers to select publications that assessed and compared pain quantitatively during PDT treatment for actinic keratoses, basal cell carcinomas, and/or in situ squamous cell carcinomas...
July 14, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28712478/comparison-of-effects-of-local-anesthesia-and-two-point-acupressure-on-the-severity-of-venipuncture-pain-among-hospitalized-6-12-year-old-children
#20
RANDOMIZED CONTROLLED TRIAL
Parisa Shahmohammadi Pour, Golnaz Foroogh Ameri, Majid Kazemi, Yones Jahani
The aim of the present study was to compare the effects of topical anesthesia and acupressure at the Yintang (Extra 1) and the Laogong (P-8) points on the severity of venipuncture pain among hospitalized 6-12-year-old children. A sample (n = 120) of 6-12-year-old hospitalized children was recruited from two teaching hospitals located in Rafsanjan, Iran. The children were allocated to the topical anesthesia, acupressure, and control groups. For children in the topical anesthesia and the acupressure groups, eutectic mixture of local anesthetic (EMLA) cream and two-point acupressure were used, respectively, prior to performing venipuncture, whereas children in the control group only received routine prevenipuncture care...
June 2017: Journal of Acupuncture and Meridian Studies
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