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https://www.readbyqxmd.com/read/28723837/minimum-effective-volume-of-lidocaine-for-ultrasound-guided-costoclavicular-block
#1
Thitipan Sotthisopha, Maria Francisca Elgueta, Artid Samerchua, Prangmalee Leurcharusmee, Worakamol Tiyaprasertkul, Aida Gordon, Roderick J Finlayson, De Q Tran
BACKGROUND AND OBJECTIVES: This dose-finding study aimed to determine the minimum effective volume in 90% of patients (MEV90) of lidocaine 1.5% with epinephrine 5 μg/mL for ultrasound-guided costoclavicular block. METHODS: Using an in-plane technique and a lateral-to-medial direction, the block needle was positioned in the middle of the 3 cords of the brachial plexus in the costoclavicular space. The entire volume of lidocaine was deposited in this location. Dose assignment was carried out using a biased-coin-design up-and-down sequential method, where the total volume of local anesthetic administered to each patient depended on the response of the previous one...
July 19, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28721219/two-rare-manifestations-of-primary-hyperparathyroidism-paralysis-and-peptic-ulcer-bleeding
#2
Maryam Heidarpour, Mehdi Karami, Pegah Hedayat, Ashraf Aminorroaya
Primary hyperparathyroidism revealed by thoracic spine brown tumor and peptic ulcer bleeding is rare. We presented a case of 33-year-old male patient who was admitted with paraplegia. Thoracic spine magnetic resonance imaging (MRI) showed extradural lesion at T4 level. He underwent surgical decompression in T4. According to histopathologic finding and elevated serum parathormone (PTH) and hypercalcemia (total serum calcium 12.1 mg/dL), the diagnosis of brown tumor was down. Ultrasonography of his neck showed a well-defined lesion of 26 × 14 × 6 mm...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28719388/what-is-new-in-managing-patients-with-food-allergy-almost-everything
#3
Brian Schroer, Jaclyn Bjelac, Mandy Leonard
PURPOSE OF REVIEW: This review aims to describe current concepts in managing patients with food allergy. There have been many recent advances in the management of patients with IgE-mediated reactions to food, including diagnosis, prevention, management, and ongoing research in the field. Food allergy is increasing in prevalence and may be life threatening. This review aims to highlight changes in recommended practice when diagnosing and managing patients with food allergy. RECENT FINDINGS: Early introduction of highly allergenic foods, particularly peanut, has been shown to decrease the risk for development of food allergy in patients who are at elevated risk...
July 14, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28717028/the-norepinephrine-metabolite-3-4-dihydroxymandelic-acid-is-produced-by-the-commensal-microbiota-and-promotes-chemotaxis-and-virulence-gene-expression-in-enterohemorrhagic-escherichia-coli
#4
Nitesh Sule, Sasi Pasupuleti, Nandita Kohli, Rani Menon, Lawrence J Dangott, Michael D Manson, Arul Jayaraman
Enterohemorrhagic E. coli (EHEC) is a commonly occuring foodborne pathogen responsible for numerous multistate outbreaks in the US. It is known to infect the host gastrointestinal tract, specifically in locations associated with lymphoid tissue. These niches serve as sources of enteric neurotransmitters such as epinephrine and norepinephrine that are known to increase virulence in several pathogens, including enterohemorrhagic E. coli The mechanisms that allow pathogens to target these niches are poorly understood...
July 17, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28711194/factors-associated-with-epinephrine-administration-for-anaphylaxis-in-children-before-arrival-to-the-emergency-department
#5
Melissa Robinson, Matthew Greenhawt, David R Stukus
BACKGROUND: Epinephrine is the first-line treatment for anaphylaxis but may be underused by patients and medical personnel. OBJECTIVE: To evaluate factors associated with anaphylaxis management before arrival at the emergency department (ED) or urgent care center (UCC). METHODS: We performed a retrospective review of electronic medical records for all patients aged 0 to 25 years presenting with anaphylaxis to the ED or UCC at a pediatric academic referral center during 2009 to 2013...
June 30, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28710180/dipeptidyl-peptidase-4-regulates-hematopoietic-stem-cell-activation-in-response-to-chronic-stress
#6
Enbo Zhu, Lina Hu, Hongxian Wu, Limei Piao, Guangxian Zhao, Aiko Inoue, Weon Kim, Chenglin Yu, Wenhu Xu, Yasuko K Bando, Xiang Li, Yanna Lei, Chang-Ning Hao, Kyosuke Takeshita, Woo-Shik Kim, Kenji Okumura, Toyoaki Murohara, Masafumi Kuzuya, Xian Wu Cheng
BACKGROUND: DPP4 (Dipeptidyl peptidase-4)-GLP-1 (glucagon-like peptide-1) and its receptor (GLP-1R) axis has been involved in several intracellular signaling pathways. The Adrβ3 (β3-adrenergic receptor)/CXCL12 (C-X-C motif chemokine 12) signal was required for the hematopoiesis. We investigated the novel molecular requirements between DPP4-GLP-1/GLP-1 and Adrβ3/CXCL12 signals in bone marrow (BM) hematopoietic stem cell (HSC) activation in response to chronic stress. METHODS AND RESULTS: Male 8-week-old mice were subjected to 4-week intermittent restrain stress and orally treated with vehicle or the DPP4 inhibitor anagliptin (30 mg/kg per day)...
July 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28709033/vegetated-land-cover-near-residence-is-associated-with-reduced-allostatic-load-and-improved-biomarkers-of-neuroendocrine-metabolic-and-immune-functions
#7
Andrey I Egorov, Shannon M Griffin, Reagan R Converse, Jennifer N Styles, Elizabeth A Sams, Anthony Wilson, Laura E Jackson, Timothy J Wade
BACKGROUND: Greater exposure to urban green spaces has been linked to reduced risks of depression, cardiovascular disease, diabetes and premature death. Alleviation of chronic stress is a hypothesized pathway to improved health. Previous studies linked chronic stress with a biomarker-based composite measure of physiological dysregulation known as allostatic load. OBJECTIVE: This study's objective was to assess the relationship between vegetated land cover near residences and allostatic load...
July 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28708713/platelet-aggregation-in-direct-oral-factor-xa-inhibitors-treated-patients-with-atrial-fibrillation-a-pilot-study
#8
Peter Bánovčin, Ingrid Škorňová, Matej Samoš, Martin Schnierer, Tomáš Bolek, František Kovář, Ján Staško, Peter Kubisz, Marián Mokáň
BACKGROUND: Activated factor X (factor Xa) plays an important role in regulation of platelets. The aim of this study was to test the effect of direct oral factor Xa inhibitors - rivaroxaban and apixaban - on platelet aggregation in patients with non-valvular atrial fibrillation (NV-AF). PATIENTS AND METHODS: This single-centre pilot study enrolled 21 factor Xa inhibitors-treated (9 rivaroxaban-treated and 12 apixaban-treated) patients with NV-AF. The trough and peak samples of these patients were tested for adenosinediphosphate-induced (ADP), epinephrine-induced, and collagen-induced platelet aggregation with light transmission aggregometry (LTA), and with factor Xa-calibrated anti-Xa chromogenic analysis...
July 13, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28705229/brugada-syndrome-in-a-patient-with-amyotrophic-lateral-sclerosis-a-case-report
#9
Anusha Battineni, Rohit Gummi, Naresh Mullaguri, Raghav Govindarajan
BACKGROUND: Amyotrophic lateral sclerosis is a fatal neuromuscular disorder characterized by progressive death of the upper and lower motor neurons in the central nervous system. Patients with this disease die mostly as a result of respiratory failure; however, owing to prolonged survival through assisted ventilation, cardiovascular causes are increasingly responsible for mortality. We report what is to the best of our knowledge the first case of type 2 Brugada syndrome causing ventricular tachyarrhythmia and cardiac arrest in a patient with upper limb onset amyotrophic lateral sclerosis...
July 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28701251/recognition-and-management-of-anaphylaxis-in-older-adults
#10
Anastasiya Plagova, Diane Nykamp
OBJECTIVES: To discuss medications that cause anaphylaxis in older adults and its treatment, with a focus on epinephrine. DATA SOURCE: A search of PubMed using the terms "anaphylaxis," "drug-induced anaphylaxis," "epinephrine autoinjectable," "anaphylaxis diagnosis," "anaphylaxis treatment," and "epinephrine cost" was performed. English-language articles from January 2000 to August 2016 appearing in these searches were reviewed. STUDY SELECTION/DATA EXTRACTION: Relevant review articles, consensus statements, practice parameters, task force recommendations, and original articles were assessed for recognition and treatment of drug-induced anaphylaxis...
July 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28698134/effects-of-advanced-life-support-on-patients-who-suffered-cardiac-arrest-outside-of-hospital-and-were-defibrillated
#11
Akihito Hagihara, Daisuke Onozuka, Takashi Nagata, Manabu Hasegawa
BACKGROUND: The effects and relative benefits of advanced airway management and epinephrine on patients with out-of-hospital cardiac arrest (OHCA) who were defibrillated are not well understood. METHODS: This was a prospective observational study. Using data of all out-of-hospital cardiac arrest cases occurring between 2005 and 2013 in Japan, hierarchical logistic regression and conditional logistic regression along with time-dependent propensity matching were performed...
July 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28697413/using-size-exclusion-chromatography-to-monitor-the-synthesis-of-melanins-from-catecholamines
#12
Koen P Vercruysse, Astiney M Clark, Paola A F Bello, Majidah Alhumaidi
We have employed size exclusion chromatography (SEC) to the study of the auto- and Cu(2+)-mediated oxidation of the catecholamines, dopamine, epinephrine and norepinephrine, into melanins. We observed that, due to non-size exclusion-mediated effects, the catecholamines and some of the low molecular mass intermediates generated during the oxidation reactions, could be resolved from each other and from the high molecular mass pigment generated. Thus, SEC allowed us to monitor the disappearance of the catecholamine starting compounds, the appearance and subsequent disappearance of the low molecular mass chromophores generated in the initial phase of the reactions and the appearance of the high molecular mass melanins...
July 3, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28694830/erratum-to-do-epinephrine-auto-injectors-have-an-unsuitable-needle-length-in-children-and-adolescents-at-risk-for-anaphylaxis-from-food-allergy
#13
Sten Dreborg, Xia Wen, Laura Kim, Gina Tsai, Immaculate Nevis, Ryan Potts, Jack Chiu, Arunmozhi Dominic, Harold Kim
[This corrects the article DOI: 10.1186/s13223-016-0110-8.].
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28694714/sensitivity-specificity-predictive-values-and-accuracy-of-three-diagnostic-tests-to-predict-inferior-alveolar-nerve-blockade-failure-in-symptomatic-irreversible-pulpitis
#14
Daniel Chavarría-Bolaños, Laura Rodríguez-Wong, Danny Noguera-González, Vicente Esparza-Villalpando, Mauricio Montero-Aguilar, Amaury Pozos-Guillén
INTRODUCTION: The inferior alveolar nerve block (IANB) is the most common anesthetic technique used on mandibular teeth during root canal treatment. Its success in the presence of preoperative inflammation is still controversial. The aim of this study was to evaluate the sensitivity, specificity, predictive values, and accuracy of three diagnostic tests used to predict IANB failure in symptomatic irreversible pulpitis (SIP). METHODOLOGY: A cross-sectional study was carried out on the mandibular molars of 53 patients with SIP...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28690542/systematic-review-and-meta-analysis-of-the-efficacy-and-safety-of-combined-epinephrine-and-corticosteroid-therapy-for-acute-bronchiolitis-in-infants
#15
REVIEW
Kok P Kua, Shaun W H Lee
Objective: To evaluate the effectiveness of combined epinephrine and corticosteroid therapy for acute bronchiolitis in infants. Methods: Four electronic databases (MEDLINE, EMBASE, CINAHL, and CENTRAL) were searched from their inception to February 28, 2017 for studies involving infants aged less than 24 months with bronchiolitis which assessed the use of epinephrine and corticosteroid combination therapy. The methodological quality of the included studies was assessed using the Cochrane Collaboration's Risk of Bias Tool...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28689427/duodenal-hematoma-caused-by-endoscopic-hemostatic-procedures-sclerotherapy
#16
Rebeca Irisarri Garde, Juan José Vila Costas
Endoscopic hemostatic procedures such as local injection of epinephrine are commonly used for the treatment of bleeding ulcers. Although the risks are usually considered to be minimal, there are reports describing that duodenal intramural hematomas may develop as a complication after endoscopy especially in patients susceptible to hemorrhage such as those with anticoagulants therapy or blood dyscrasia.
July 10, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28687103/histaminergic-angioedema
#17
REVIEW
Paula J Busse, Tukisa Smith
Angioedema is frequently categorized into histamine- or bradykinin-mediated disease. It is critical to determine the underlying mediator of symptoms as it directs treatment. Histaminergic angioedema is the most frequent cause of angioedema. It is classified as either acute (lasting <6 weeks) or chronic (symptoms >6 weeks). It is further classified into angioedema presenting with or without urticaria. Some patients with acute angioedema may have disease that becomes chronic. Mast cells and basophils are central to the underlying pathophysiology of histamine-mediated angioedema...
August 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28684134/exercise-training-reduces-alcohol-consumption-but-does-not-affect-hpa-axis-activity-in-heavy-drinkers
#18
Kalliopi Georgakouli, Eirini Manthou, Panagiotis Georgoulias, Anastasia Ziaka, Ioannis G Fatouros, Georgios Mastorakos, Yiannis Koutedakis, Yannis Theodorakis, Athanasios Z Jamurtas
BACKGROUND: It has been suggested that physical exercise could have potential beneficial effects in substance abusers, which are based on both physiological and psychological theories. Although a few studies have examined the effect of exercise on alcohol intake and fitness in individuals with alcohol use disorders (AUDs), there is a gap in the literature concerning the physiological and biochemical mechanisms that could be affected by physical exercise in this population. PURPOSE: The purpose of the present study was to examine physiological and biochemical responses to exercise after an 8-week supervised exercise training (ET) intervention in heavy drinkers...
July 3, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28682477/preclinical-safety-and-efficacy-of-andexanet-alfa-in-animal-models
#19
G Lu, S J Hollenbach, D C Baker, S Tan, A Hutchaleelaha, J T Curnutte, P B Conley
BACKGROUND: Andexanet is a recombinant modified form of factor Xa (FXa), designed to bind to and reverse the anticoagulant activity of FXa inhibitors. OBJECTIVES: To evaluate the ability of andexanet to reverse the anticoagulant activity of rivaroxaban, and assess its pharmacokinetics (PK) and toxicity in animal models. METHODS: The effects of andexanet on blood loss, anti-FXa activity, rivaroxaban unbound plasma concentrations, and other coagulation parameters were assessed in a rabbit liver laceration 'treatment' model...
July 6, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28681604/sequential-proton-loss-electron-transfer-in-deactivation-of-iron-iv-binding-protein-by-tyrosine-based-food-components
#20
Ning Tang, Leif H Skibsted
The iron(IV) binding protein ferrylmyoglobin, MbFe(IV)═O, was found to be reduced by tyrosine based food components in aqueous solution through a sequential proton loss electron transfer reaction mechanism without binding to the protein as confirmed by isothermal titration calorimetry. Dopamine and epinephrine are the most efficient food components reducing ferrylmyoglobin to oxymyoglobin, MbFe(II)O2, and metmyoglobin, MbFe(III), as revealed by multivariate curve resolution alternating least-squares with second order rate constants of 33...
July 18, 2017: Journal of Agricultural and Food Chemistry
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