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https://www.readbyqxmd.com/read/29148111/being-overweight-or-obese-as-a-risk-factor-for-acute-liver-injury-secondary-to-acute-acetaminophen-overdose
#1
Summon Chomchai, Chulathida Chomchai
PURPOSE: Increased incidences of hepatotoxicity have been observed in obese patients with acute acetaminophen overdose. We evaluate whether the status of being overweight or obese is associated with increase in the development of hepatotoxicity and acute liver injury (ALI) in patients with acute acetaminophen overdose. METHODS: This was a retrospective cohort study comparing the risk of hepatotoxicity and ALI between overweight or obese patients (body mass index [BMI] ≥ 25) and normal BMI patients (BMI ≤ 24...
November 17, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29145989/pain-management-strategies-in-shoulder-arthroplasty
#2
REVIEW
Jason L Codding, Charles L Getz
Pain control in total shoulder arthroplasty demands a multidisciplinary approach with collaboration between patients, surgeon, and anesthetist. A multimodal approach with preemptive medication, regional blockade, local anesthetics, and a combination of acetaminophen, nonsteroidal antiinflammatory drugs, tramadol, and gabapentinoids postoperatively leads to pain control and patient satisfaction. Assessment of patients' expectations constitutes a vital aspect of the preoperative patient evaluation. Educating and psychologically preparing patients reduces postoperative pain...
January 2018: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/29145272/the-efficiency-of-intravenous-acetaminophen-for-pain-control-following-total-knee-and-hip-arthroplasty-a-systematic-review-and-meta-analysis
#3
Limin Liang, Ying Cai, Aixiang Li, Chuangen Ma
BACKGROUND: This meta-analysis aimed to evaluate the efficiency and safety of intravenous acetaminophen as an adjunct to multimodal analgesia for pain control after total joint arthroplasty (TJA). METHODS: PubMed, Embase, Web of science, Medline, and Cochrane library databases were systematically searched. Randomized controlled trials (RCTs) and non-RCTs were included. Fixed/random effect model was used according to the heterogeneity tested by I statistic. Meta-analysis was performed using Stata 11...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29139592/single-dose-systemic-acetaminophen-to-improve-patient-reported-quality-of-recovery-after-ambulatory-segmental-mastectomy-a-prospective-randomized-double-blinded-placebo-controlled-clinical-trial
#4
Gildasio S De Oliveira, Meghan E Rodes, Jane Bialek, Mark C Kendall, Robert J McCarthy
Few systemic drug interventions are efficacious to improve patient reported quality of recovery after ambulatory surgery. We aimed to evaluate whether a single dose systemic acetaminophen improve quality of recovery in female patients undergoing ambulatory breast surgery. We hypothesized that patients receiving a single dose systemic acetaminophen at the end of the surgical procedure would have a better global quality of postsurgical recovery compared to the ones receiving saline. The study was a prospective randomized double blinded, placebo controlled, clinical trial...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29136811/electrochemical-sensor-based-on-palladium-reduced-graphene-oxide-modified-with-gold-nanoparticles-for-simultaneous-determination-of-acetaminophen-and-4-aminophenol
#5
Huijuan Wang, Siyu Zhang, Shufang Li, Jianying Qu
Herein, a newly developed electrochemical sensor base on the nanohybrid of palladium-reduced graphene oxide modified with gold nanoparticles (Au/Pd/rGO) was established, which was prepared by electrodeposing Au nanoparticles on Pd/rGO modified on a glass carbon electrode. The morphologies and microstructures of the as-prepared nanohybrid were characterized by X-ray photoelectron spectroscopy, Scanning electron microscopy and Infrared spectroscopy. And, experiment results showed that the prepared Au/Pd/rGO nanohybrid exhibited excellent electrocatalytic- activity toward the redox of acetaminophen (PA) and 4-aminophenol (4-AP) simultaneously...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136249/natural-polyphenol-chlorogenic-acid-protects-against-acetaminophen-induced-hepatotoxicity-by-activating-erk-nrf2-antioxidative-pathway
#6
Mengjuan Wei, Zhiyong Zheng, Liang Shi, Yao Jin, Lili Ji
Hepatotoxicity due to acetaminophen (APAP) overdose is a leading cause of drug-induced acute liver failure in clinic. Chlorogenic acid (CGA), a dietary polyphenol, was reported to prevent APAP-induced liver injury in our previous studies. This study aims to investigate the protection provided by CGA against APAP-induced hepatotoxicity via focusing on nuclear factor erythroid 2-related factor 2 (Nrf2) and extracellular regulated protein kinases (ERK)1/2. CGA prevented APAP-induced oxidative liver injury and enhanced Nrf2 activation in mice and in hepatocytes in vitro...
November 10, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29135664/pain-relief-after-operative-treatment-of-an-extremity-fracture-a-noninferiority-randomized-controlled-trial
#7
Gijs T T Helmerhorst, Ruben Zwiers, David Ring, Peter Kloen
BACKGROUND: Opioid pain medication is frequently given to patients recovering from a surgical procedure for an extremity fracture in spite of evidence that acetaminophen may be adequate. The aim of this study was to determine whether prescription of step 1 pain medication (acetaminophen) is noninferior to step 2 pain medication (acetaminophen and tramadol) after operative treatment of an extremity fracture. METHODS: Fifty-two patients with a single extremity fracture were randomized from July 2012 to March 2015 in this 2-week follow-up, noninferiority trial in a level-I trauma center in the Netherlands...
November 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29133240/prediction-of-human-cns-pharmacokinetics-using-a-physiologically-based-pharmacokinetic-modeling-approach
#8
Yumi Yamamoto, Pyry A Välitalo, Yin Cheong Wong, Dymphy R Huntjens, Johannes H Proost, An Vermeulen, Walter Krauwinkel, Margot W Beukers, Hannu Kokki, Merja Kokki, Meindert Danhof, Johan G C van Hasselt, Elizabeth C M de Lange
Knowledge of drug concentration-time profiles at the central nervous system (CNS) target-site is critically important for rational development of CNS targeted drugs. Our aim was to translate a recently published comprehensive CNS physiologically-based pharmacokinetic (PBPK) model from rat to human, and to predict drug concentration-time profiles in multiple CNS compartments on available human data of four drugs (acetaminophen, oxycodone, morphine and phenytoin). Values of the system-specific parameters in the rat CNS PBPK model were replaced by corresponding human values...
November 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29128422/ampholytic-starch-excipients-for-high-loaded-drug-formulations-mechanistic-insights
#9
Khalil Sakeer, Pompilia Ispas-Szabo, Nassim Benyerbah, Mircea Alexandru Mateescu
Ampholytic starch derivatives are proposed as a new class of excipients carrying simultaneously anionic carboxymethyl (CM) and cationic aminoethyl (AE) groups on starch (St) polymeric chains. Three different types of derivatives were obtained by using the same reagents and varying only the order of their addition in the reaction medium: in one step method (OS) the two reactants were added simultaneously, whereas in two steps method (TS) either CMSt or AESt were prepared separately in the first step, followed by subsequent addition of the second reactant...
November 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29121327/short-acting-opioids-are-associated-with-comparable-analgesia-to-long-acting-opioids-in-patients-with-chronic-osteoarthritis-with-a-reduced-opioid-equivalence-dosing
#10
Ameer Ghodke, Stephanie Barquero, Paul R Chelminski, Timothy J Ives
Setting: There are no studies that exist within the primary care setting that address optimal opioid therapy in osteoarthritis patients. In light of the recently released US Centers for Disease Control and Prevention guidelines on opioid use in chronic noncancer pain, there is a pressing need to better characterize the effectiveness of long- and short-acting opioids. Objective: To examine the effectiveness of short-acting opioids (SAO) vs long-acting opioids (LAO) and combination therapies (SAO and LAO) for treating chronic osteoarthritis pain in a retrospective trial...
November 7, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29121158/opioid-use-by-patients-after-rhinoplasty
#11
Sagar Patel, Angela Sturm, Michael Bobian, Peter F Svider, Giancarlo Zuliani, Russell Kridel
Importance: Given the increase in opioid addiction and overdose in the United States, reasoned opioid use after outpatient surgery may affect prescription medication abuse. Objectives: To examine patient use of opioids after rhinoplasty and establish an optimal postrhinoplasty pain management regimen. Design, Setting, and Participants: In this case series, opioid use was evaluated in 62 patients who underwent rhinoplasty performed by 3 fellowship-trained facial plastic surgeons, 2 in private practice in Texas and 1 in an academic setting in Michigan, from February 2016 to September 2016...
November 9, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29121137/sweet-syndrome-induced-by-oral-acetaminophen-codeine-following-repair-of-a-facial-fracture
#12
Laurence M Bradley, Shauna P Higgins, Monee M Thomas, Ife J Rodney, Rebat M Halder
Sweet syndrome (SS), also known as acute febrile neutrophilic dermatosis, is an uncommon condition that is clinically characterized by painful, well-demarcated, indurated, erythematous plaques or nodules that typically favor the head, neck, and arms, and are accompanied by fever. The disease is divided into several categories based on the underlying etiology, with the drug-induced variant comprising a rising number of the total cases and being reported in association with an increasing number of medications...
September 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29120676/glutamine-protection-in-an-experimental-model-of-acetaminophen-nephrotoxicity
#13
Marco Brovedan, Sara María Molinas, Gerardo Pisani, Liliana Alicia Monasterolo, Laura Trumper
Acetaminophen (APAP) is a widely prescribed analgesic - antipyretic drug. In the present work we studied the effects of glutamine (Gln) in an "in vivo" model of APAP-induced nephrotoxicity in male Wistar rats. Renal function, histological characteristics and Na+, K+ ATPase cortical abundance and distribution were analyzed. The appearance of HSP70 and actin in urine were also evaluated. Mieloperoxidase activity in cortical tissue was measured as an index of the inflammatory response. Gln administration 30 min before APAP protected from the renal functional and histological damage promoted by APAP...
November 9, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29117012/scheduled-intravenous-acetaminophen-improves-patient-satisfaction-with-postcraniotomy-pain-management-a-prospective-randomized-placebo-controlled-double-blind-study
#14
Carlos A Artime, Hassan Aijazi, Haijun Zhang, Tariq Syed, Chunyan Cai, Sam D Gumbert, Lara Ferrario, Katherine C Normand, George W Williams, Carin A Hagberg
BACKGROUND: Postcraniotomy pain can be difficult to manage with opioids due to opioid-related side effects, including drowsiness, nausea/vomiting, confusion, and pupillary changes, potentially masking the signs of postoperative neurological deterioration. Intravenous (IV) acetaminophen, a nonopioid analgesic, has been reported to have opioid-sparing effects after abdominal and orthopedic surgeries. This study investigates whether IV acetaminophen has similar effects after craniotomy. MATERIALS AND METHODS: In this prospective, randomized, placebo-controlled, double-blind clinical trial, 100 adult patients scheduled to undergo supratentorial craniotomy for excision of a brain mass were randomized to receive either IV acetaminophen or placebo preincision and then every 6 hours for a total of 24 hours after surgery...
November 7, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/29114833/effect-of-a-single-dose-of-oral-opioid-and-nonopioid-analgesics-on-acute-extremity-pain-in-the-emergency-department-a-randomized-clinical-trial
#15
Andrew K Chang, Polly E Bijur, David Esses, Douglas P Barnaby, Jesse Baer
Importance: The choice of analgesic to treat acute pain in the emergency department (ED) lacks a clear evidence base. The combination of ibuprofen and acetaminophen (paracetamol) may represent a viable nonopioid alternative. Objectives: To compare the efficacy of 4 oral analgesics. Design, Settings, and Participants: Randomized clinical trial conducted at 2 urban EDs in the Bronx, New York, that included 416 patients aged 21 to 64 years with moderate to severe acute extremity pain enrolled from July 2015 to August 2016...
November 7, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29114635/early-efficacy-of-intra-articular-hyadd%C3%A2-4-hymovis%C3%A2-injections-for-symptomatic-knee-osteoarthritis
#16
Ferdinando Priano
Purpose  The aim of the study was to evaluate the clinical effects of HYADD® 4, an hydrogel based on a hyaluronic acid derivative, in patients with symptomatic knee osteoarthritis, on symptoms, and joint function. Methods  This retrospective study of patients with Kellgren-Lawrence grade II to IV knee osteoarthritis (American College of Rheumatology criteria) enrolled patients who had received two infiltrations of HYADD® 4, (24 mg/3 mL) 1 week apart, and evaluated: pain at rest, pain with movement, change in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score; change in nonsteroidal anti-inflammatory drugs (NSAIDs)/acetaminophen use; satisfaction with therapy; tolerability...
June 2017: Joints
https://www.readbyqxmd.com/read/29114224/chlorpheniramine-potentiates-the-analgesic-effect-in-migraine-of-usual-caffeine-acetaminophen-and-acetylsalicylic-acid-combination
#17
Victor A Voicu, Ion Mircioiu, Roxana Sandulovici, Constantin Mircioiu, Cristina Plesa, Bruno S Velescu, Valentina Anuta
Previous studies indicated that addition of the antihistaminic chlorpheniramine to the usual combination of acetylsalicylic acid, acetaminophen, and caffeine further increases their synergism both in terms of anti-inflammatory and analgesic effect. The present non-interventional study tested the superiority of two Algopirin® tablets, containing a total of 250 mg acetylsalicylic acid (ASA), 150 mg acetaminophen (paracetamol, PAR), 30 mg caffeine (CAF) and 4 mg chlorpheniramine (CLF) vs. a combination containing 250 mg ASA, 250 mg PAR, and 65 mg CAF recognized as "safe and effective" by FDA in treating migraine...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29109520/a-perfusion-incubator-liver-chip-for-3d-cell-culture-with-application-on-chronic-hepatotoxicity-testing
#18
Fang Yu, Rensheng Deng, Wen Hao Tong, Li Huan, Ng Chan Way, Anik IslamBadhan, Ciprian Iliescu, Hanry Yu
Liver chips have been developed to recapitulate in vivo physiological conditions to enhance hepatocyte functions for assessing acute responses to drugs. To develop liver chips that can assess repeated dosing chronic hepatotoxicity, we need to ensure that hepatocyte functions be maintained at constant values over two weeks in stable culture conditions of sterility, temperature, pH, fluidic-flow of culture media and drugs. We have designed a perfusion-incubator-liver-chip (PIC) for 3D cell culture, that assures a tangential flow of the media over the spheroids culture...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29109123/a-protective-function-of-il-22bp-in-ischemia-reperfusion-and-acetaminophen-induced-liver-injury
#19
Dörte Kleinschmidt, Anastasios D Giannou, Heather M McGee, Jan Kempski, Babett Steglich, Francis Jessica Huber, Thomas Michael Ernst, Ahmad Mustafa Shiri, Claudia Wegscheid, Elena Tasika, Peter Hübener, Philipp Huber, Tanja Bedke, Niklas Steffens, Theodora Agalioti, Tobias Fuchs, Jill Noll, Hannelore Lotter, Gisa Tiegs, Ansgar W Lohse, Jonathan H Axelrod, Eithan Galun, Richard A Flavell, Nicola Gagliani, Samuel Huber
Acute liver injury can be secondary to a variety of causes, including infections, intoxication, and ischemia. All of these insults induce hepatocyte death and subsequent inflammation, which can make acute liver injury a life-threatening event. IL-22 is a dual natured cytokine which has context-dependent protective and pathogenic properties during tissue damage. Accordingly, IL-22 was shown to promote liver regeneration upon acute liver damage. However, other studies suggest pathogenic properties of IL-22 during chronic liver injury...
November 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29107792/caffeine-and-acetaminophen-association-effects-on-mitochondrial-bioenergetics
#20
Débora F Gonçalves, Nelson R de Carvalho, Martim B Leite, Aline A Courtes, Diane D Hartmann, Sílvio T Stefanello, Ingrid K da Silva, Jéferson L Franco, Félix A A Soares, Cristiane L Dalla Corte
AIMS: Many studies have been demonstrating the role of mitochondrial function in acetaminophen (APAP) hepatotoxicity. Since APAP is commonly consumed with caffeine, this work evaluated the effects of the combination of APAP and caffeine on hepatic mitochondrial bioenergetic function in mice. MAIN METHODS: Mice were treated with caffeine (20mg/kg, intraperitoneal (i.p.)) or its vehicle and, after 30min, APAP (250mg/kg, i.p.) or its vehicle. Four hours later, livers were removed, and the parameters associated with mitochondrial function and oxidative stress were evaluated...
October 28, 2017: Life Sciences
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