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Local anaesthetics

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https://www.readbyqxmd.com/read/28211640/complexation-of-oxethazaine-with-2-hydroxypropyl-%C3%AE-cyclodextrin-increased-drug-solubility-decreased-cytotoxicity-and-analgesia-at-inflamed-tissues
#1
Andressa R Prado, Fabiano Yokaichiya, Margareth Kazuyo Kobayashi Dias Franco, Camila Morais Gonçalves da Silva, Laura Oliveira-Nascimento, Michelle Franz-Montan, Maria C Volpato, Luís F Cabeça, Eneida de Paula
OBJECTIVES: Oxethazaine (OXZ) is one of the few local anaesthetics that provides analgesia at low pH, but presents poor solubility, cytotoxicity and no parenteral formulations. To address these issues, we aimed to prepare OXZ host-guest inclusion complex with hydroxypropyl-beta-cyclodextrin (HP-β-CD). METHODS: The inclusion complex was formed by co-solubilization, followed by a job plot analysis to determine stoichiometry of complexation and dialysis equilibrium analysis (based on UV/VIS absorption and fluorescence profiles of OXZ)...
February 17, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28208976/dexamethasone-as-an-adjuvant-to-bupivacaine-in-supraclavicular-brachial-plexus-block-in-paediatrics-for-post-operative-analgesia
#2
Karl Sa Ribeiro, Anjali Ollapally, Julie Misquith
INTRODUCTION: Sensory blockade of the brachial plexus with local anaesthetics for perioperative analgesia leads to stable haemodynamics intraoperatively, smoother emergence from general anaesthesia and decreased need for supplemental analgesics or suppositories in the Post-operative period. However, increasing the duration of local anaesthetic action is often desirable because it prolongs surgical anaesthesia and analgesia. Various studies in adults prove that steroids increase the duration of action of local anaesthetics when used as adjuncts...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28174153/a-prospective-randomised-double-masked-comparison-of-local-anaesthetic-agents-for-vitrectomy
#3
Ya-Li Zhou, Yao Tong, Yi-Xiao Wang, Pei-Quan Zhao, Zhao-Yang Wang
PURPOSE: To compare the intraoperative and postoperative clinical properties of 1% ropivacaine, 0.75% bupivacaine, 2% lidocaine and a mixture of 0.75% bupivacaine and 2% lidocaine (bupi+lido) administered for peribulbar anaesthesia during vitrectomy. METHODS: A total of 140 patients were randomly allocated to four groups. The time of onset of analgesia and akinesia was measured. The efficacy of anaesthesia, degree of postoperative pain and intraoperative and postoperative complications were recorded...
February 7, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28169411/-factors-related-with-post-surgical-complications-in-elderly-patients-with-glioblastoma-multiforme
#4
M Martin-Risco, V Rodrigo-Paradells, S Olivera-Gonzalez, C M Del Rio-Perez, L Bances-Florez, J B Calatayud-Perez, F J Villagrasa-Compaired
INTRODUCTION: Glioblastoma multiforme is the most frequent malignant tumour of the central nervous system, and its incidence reaches 80% in those over 50 years of age. Life expectancy has increased in the population in recent times and an analysis of the post-surgical complications affecting elderly patients is of great importance for a correct surgical indication. AIMS: To analyse the factors related with post-surgical complications in elderly patients. PATIENTS AND METHODS: A sample of 88 patients diagnosed with glioblastoma multiforme between 31 and 78 years of age was analysed retrospectively...
February 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28167178/chronic-pain-in-a-patient-with-ehlers-danlos-syndrome-hypermobility-type-the-role-of-myofascial-trigger-point-injections
#5
Saipriya Tewari, Rajashree Madabushi, Anil Agarwal, Sujeet K Gautam, Sandeep Khuba
Chronic widespread musculoskeletal pain is a cardinal symptom in hypermobility type of Ehler Danlos Syndrome (EDS type III). The management of pain in EDS, however, has not been studied in depth. A 30 year old female, known case of EDS, presented to the pain clinic with complaints of severe upper back pain for 6 months. Physical examination of the back revealed two myofascial trigger points over the left rhomboids and the left erector spinae. Local anaesthetic trigger point injections were given at these points, followed by stretching exercises under analgesic cover for the first week...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28164775/a-comparative-study-of-voice-outcomes-and-complication-rates-in-patients-undergoing-injection-laryngoplasty-performed-under-local-versus-general-anaesthesia-an-adelaide-voice-specialist-s-experience
#6
COMPARATIVE STUDY
D Chandran, C Woods, S Ullah, E Ooi, T Athanasiadis
OBJECTIVE: To compare clinical outcomes and complication rates in patients undergoing injection laryngoplasty performed under local versus general anaesthesia. METHODS: A retrospective review was conducted of patients who underwent injection laryngoplasty performed by a single laryngologist in a tertiary Australian laryngology centre, between February 2013 and December 2014. Patient demographics, anaesthetic modality and complications were recorded. Voice Handicap Index 10 and the Grade, Breathiness, Roughness, Asthenia, Strain scale were evaluated...
January 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28163460/diode-laser-ear-piercing-a-novel-technique
#7
Bibilash Babu Suseela, Preethitha Babu, Ravi Kumar Chittoria, Devi Prasad Mohapatra
Earlobe piercing is a common office room procedure done by a plastic surgeon. Various methods of ear piercing have been described. In this article, we describe a novel method of laser ear piercing using the diode laser. An 18-year-old female patient underwent an ear piercing using a diode laser with a power of 2.0 W in continuous mode after topical local anaesthetic and pre-cooling. The diode laser was fast, safe, easy to use and highly effective way of ear piercing. The advantages we noticed while using the diode laser over conventional methods were more precision, minimal trauma with less chances of hypertrophy and keloids, no bleeding with coagulation effect of laser, less time taken compared to conventional method and less chance of infection due to thermal heat effect of laser...
October 2016: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/28160767/investigation-and-diagnosis-of-an-immediate-allergy-to-amide-local-anaesthetic-in-a-paediatric-dental-patient
#8
Gabrielle Allen, Damien Chan, Sam Gue
Local anaesthetics remain the most common prescription medication utilised in dental practice. Adverse reactions following administration of local anaesthetic are somewhat common and are frequently reported as 'allergies'. However, of these events, it is estimated that only 1% are confirmed allergies to the local anaesthetic. This case presents the process of referral for investigation and testing to confirm an amide local anaesthetic allergy in a paediatric patient. Testing for a safe alternative was also completed to identify local anaesthetic agents also of the amide variety that can be utilised safely on this individual...
February 4, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28160271/topical-anaesthesia-for-needle-related-pain-in-newborn-infants
#9
REVIEW
Jann P Foster, Christine Taylor, Kaye Spence
BACKGROUND: Hospitalised newborn neonates frequently undergo painful invasive procedures that involve penetration of the skin and other tissues by a needle. One intervention that can be used prior to a needle insertion procedure is application of a topical local anaesthetic. OBJECTIVES: To evaluate the efficacy and safety of topical anaesthetics such as amethocaine and EMLA in newborn term or preterm infants requiring an invasive procedure involving puncture of skin and other tissues with a needle...
February 4, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28159688/altered-regional-connectivity-reflecting-effects-of-different-anaesthesia-protocols-in-the-mouse-brain
#10
Tong Wu, Joanes Grandjean, Simone C Bosshard, Markus Rudin, David Reutens, Tianzi Jiang
Studies in mice using resting-state functional magnetic resonance imaging (rs-fMRI) have provided opportunities to investigate the effects of pharmacological manipulations on brain function and map the phenotypes of mouse models of human brain disorders. Mouse rs-fMRI is typically performed under anaesthesia, which induces both regional suppression of brain activity and disruption of large-scale neural networks. Previous comparative studies using rodents investigating various drug effects on long-distance functional connectivity (FC) have reported agent-specific FC patterns, however, effects of regional suppression are sparsely explored...
February 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28148256/defining-reasonable-patient-standard-and-preference-for-shared-decision-making-among-patients-undergoing-anaesthesia-in-singapore
#11
J L J Yek, A K Y Lee, J A D Tan, G Y Lin, T Thamotharampillai, H R Abdullah
BACKGROUND: A cross-sectional study to ascertain what the Singapore population would regard as material risk in the anaesthesia consent-taking process and identify demographic factors that predict patient preferences in medical decision-making to tailor a more patient-centered informed consent. METHODS: A survey was performed involving patients 21 years old and above who attended the pre-operative evaluation clinic over a 1-month period in Singapore General Hospital...
February 2, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28146271/liposomal-bupivacaine-infiltration-at-the-surgical-site-for-the-management-of-postoperative-pain
#12
REVIEW
Thomas W Hamilton, Vassilis Athanassoglou, Stephen Mellon, Louise H Strickland, Marialena Trivella, David Murray, Hemant G Pandit
BACKGROUND: Despite multi-modal analgesic techniques, acute postoperative pain remains an unmet health need, with up to three quarters of people undergoing surgery reporting significant pain. Liposomal bupivacaine is an analgesic consisting of bupivacaine hydrochloride encapsulated within multiple, non-concentric lipid bi-layers offering a novel method of sustained-release analgesia. OBJECTIVES: To assess the analgesic efficacy and adverse effects of liposomal bupivacaine infiltration at the surgical site for the management of postoperative pain...
February 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28130888/first-time-success-with-needle-procedures-was-higher-with-a-warm-lidacaine-and-tetracaine-patch-than-an-eutectic-mixture-of-lidocaine-and-prilocaine-cream
#13
Giorgio Cozzi, Fabio Borrometi, Franca Benini, Elena Neri, Francesca Rusalen, Loredana Celentano, Davide Zanon, Silvana Schreiber, Luca Ronfani, Egidio Barbi
AIM: More than 50% of children report apian during venipuncture or intravenous cannulation and using local anaesthetics before needle procedures can lead to different success rates. This study examined how many needle procedures were successful at the first attempt when children received either a warm lidocaine and tetracaine patch or an eutectic mixture of lidocaine and prilocaine (EMLA) cream. METHODS: We conducted this multicentre randomised controlled trial at three tertiary-level children's hospitals in Italy in 2015...
January 27, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28128875/an-ultrasound-guided-tendon-sparing-lateral-approach-to-injection-of-the-navicular-bursa
#14
K Nottrott, C De Guio, A Khairoun, M Schramme
BACKGROUND: Navicular disease in the horse often requires injection of the navicular bursa. We have developed an ultrasound-guided, lateral needle approach to navicular bursocentesis, which avoids penetration of the deep digital flexor tendon (DDFT) and the need for radiographic control. OBJECTIVES: To describe and evaluate the feasibility and efficacy of an ultrasound-guided, lateral bursocentesis technique. STUDY DESIGN: Cadaveric and in vivo experiments...
January 27, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28127716/single-hospital-visit-elective-day-case-laparoscopic-cholecystectomy-without-prior-outpatient-attendance
#15
N J Curtis, P D Robinson, N J Carty
INTRODUCTION: Eighty percent of all UK elective laparoscopic cholecystectomies (LC) are performed as day-case procedures, but the pre-operative patient pathway has received little attention. In response to local patient feedback, we aimed to introduce a single hospital visit pathway for day-case LC. METHODS: A single hospital visit pathway for elective LC was piloted alongside standard services. Following telephone consultation, a pack containing procedure information, knowledge questionnaire and consent form were sent...
January 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28120104/adjuncts-to-local-anaesthetics-in-tonsillectomy-a-systematic-review-and-meta-analysis
#16
REVIEW
R Vlok, T M Melhuish, C Chong, T Ryan, Leigh D White
The infiltration of local anaesthetic agents has been shown to reduce post-tonsillectomy pain. A number of recent studies have shown that the addition of agents such as clonidine and dexamethasone improve the efficacy of nerve blocks and spinal anaesthesia. The aim of this review was to determine whether additives to local anaesthetic agents improve post-tonsillectomy outcomes. Four major databases were systematically searched for all relevant studies published up to August 2016. All study designs with a control group receiving local anaesthetic infiltration and an intervention receiving the same infiltration with an added agent were included in this review...
January 24, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28112062/the-doyle-saleh-blink-reflex
#17
P W Doyle, I Beegun, H A Saleh
OBJECTIVES: When performing septoplasty or septorhinoplasty, we have observed that patients blink on injection of local anaesthetic (lidocaine 1 per cent with adrenaline 1:80 000) into the nasal mucosa of the anterior septum or vestibular skin, despite appropriate general anaesthesia. This study sought to quantify this phenomenon by conducting a prospective audit of all patients undergoing septoplasty or septorhinoplasty. METHODS: Patients were observed for a blink reflex at the time of local anaesthetic infiltration into the nasal vestibule...
January 23, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28107215/metabolic-cardiac-and-renal-effects-of-the-slow-hydrogen-sulfide-releasing-molecule-gyy4137-during-resuscitated-septic-shock-in-swine-with-pre-existing-coronary-artery-disease
#18
Benedikt L Nubaum, Josef Vogt, Ulrich Wachter, Oscar McCook, Martin Wepler, José Matallo, Enrico Calzia, Michael Gröger, Michael Georgieff, Mark E Wood, Matthew Whiteman, Peter Radermacher, Sebastian Hafner
Decreased levels of endogenous hydrogen sulfide (H2S) contribute to atherosclerosis, whereas equivocal data are available on H2S effects during sepsis. Moreover, H2S improved glucose utilization in anaesthetized, ventilated, hypothermic mice, but normothermia and/or sepsis blunted this effect. The metabolic effects of H2S in large animals are controversial. Therefore, we investigated the effects of the H2S donor GYY4137 during resuscitated, fecal peritonitis-induced septic shock in swine with genetically and diet-induced coronary artery disease (CAD)...
January 19, 2017: Shock
https://www.readbyqxmd.com/read/28103372/the-effect-of-epidural-levobupivacaine-and-fentanyl-on-stress-response-and-pain-management-in-patients-undergoing-percutaneous-nephrolithotomy
#19
A Ahiskalioglu, O Ahiskalioglu, A Dostbil, C Abdullah, A Megnet, M Celik, I Ilker, K Husnu
Objective: The perioperative stress response of patients who were scheduled to have percutaneous nephrolithotomy under epidural anaesthesia with opioids and local anaesthetics has not been investigated in detail yet. Our hypothesis is that the stress response following percutaneous nephrolithotomy can be lessened by epidural analgesia. Methods: A total of 48 patients, between 18-65 years of age and ASA I-II, for whom elective percutaneous nephrolithotomy was planned, were randomly divided into two groups namely: Group GA (n = 24): general anaesthesia by sevoflurane and fentanyl and postoperative intravenous PCA; Group GE (n = 24): epidural anaesthesia and general anaesthesia together with postoperative epidural analgesia (0...
March 14, 2016: West Indian Medical Journal
https://www.readbyqxmd.com/read/28100520/evidence-basis-for-using-perineural-dexmedetomidine-to-enhance-the-quality-of-brachial-plexus-nerve-blocks-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#20
L Vorobeichik, R Brull, F W Abdallah
BACKGROUND: Dexmedetomidine has been proposed as a perineural local anaesthetic (LA) adjunct to prolong peripheral nerve block duration; however, results from our previous meta-analysis in the setting of brachial plexus block (BPB) did not support its use. Many additional randomized trials have since been published. We thus conducted an updated meta-analysis. METHODS: Randomized trials investigating the addition of dexmedetomidine to LA compared with LA alone (Control) in BPB for upper extremity surgery were sought...
February 2017: British Journal of Anaesthesia
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