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https://www.readbyqxmd.com/read/28214647/fate-of-antimicrobials-in-duckweed-lemna-minor-wastewater-treatment-systems
#1
Evangelia I Iatrou, Georgia Gatidou, Dimitrios Damalas, Nikolaos S Thomaidis, Athanasios S Stasinakis
The fate of four antimicrobials (cefadroxil, CFD; metronidazole, METRO; trimethoprim, TRI; sulfamethoxazole, SMX) was studied in Lemna minor systems and the role of different mechanisms on their removal was evaluated. All micropollutants were significantly removed in batch experiments with active Lemna minor; the highest removal was observed for CFD (100% in 14 d), followed by METRO (96%), SMX (73%) and TRI (59%) during 24 d of the experiment. Calculation of kinetic constants for hydrolysis, photodegradation, sorption to biomass and plant uptake revealed significant differences depending on the compound and the studied mechanism...
February 13, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28211338/enhancement-of-the-adsorption-capacity-of-the-light-weight-expanded-clay-aggregate-surface-for-the-metronidazole-antibiotic-by-coating-with-mgo-nanoparticles-studies-on-the-kinetic-isotherm-and-effects-of-environmental-parameters
#2
Ebrahim Mohammadi Kalhori, Tariq J Al-Musawi, Esmaeil Ghahramani, Hossein Kazemian, Mansur Zarrabi
The synthesized MgO nanoparticles were used to coat the light-weight expanded clay aggregates (LECA) and as a metronidazole (MNZ) adsorbent. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Fourier-transformed infrared (FTIR) techniques were employed to study the surface morphology and characteristics of the adsorbents. MgO/LECA clearly revealed the advantages of the nanocomposite particles, showing high specific surface area (76.12 m(2)/g), significant adsorption sites and functional groups...
February 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28210450/repercussions-of-intraalveolar-placement-of-combination-of-0-2-chlorhexidine-10-mg-metronidazole-gel-on-the-occurrence-of-dry-sockets-a-randomized-control-trial
#3
Jasleen Kaur, Rushik Raval, Anupam Bansal, Vinod Kumawat
BACKGROUND: To evaluate the effects of intraalveolar placement of gel containing 0.2% chlorhexidine and 10gm of metronidazole on the incidence of alveolar osteitis. MATERIAL AND METHODS: A total of 300 impacted third molars were extracted in 150 patients enrolled in this trial. In each subject a socket was randomly selected and packed to the crest of alveolar ridge with the gel. The contralateral socket was packed with placebo dressing. The occurrence of dry socket was assessed during 3rd and 5th postoperative days ...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28204842/the-effect-of-nonsurgical-periodontal-therapy-on-hnp1-3-level-in-gingival-crevicular-fluid-of-chronic-periodontitis-patients
#4
Ewa Dolińska, Anna Skurska, Małgorzata Pietruska, Violetta Dymicka-Piekarska, Robert Milewski, Jan Pietruski, Anton Sculean
The rich bacterial flora of oral cavity is controlled by innate immune response, including antibacterial peptides and among them human neutrophil peptides 1-3 (HNP1-3). The knowledge of the involvement of HNPs in innate and acquired immunity of the periodontium is fragmentary. The aim of the study was to assess alterations in HNP1-3 levels in the gingival crevicular fluid (GCF) of chronic periodontitis patients before and after nonsurgical periodontal therapy. Nineteen patients with chronic periodontitis were qualified to the study...
February 15, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28202013/levofloxacin-or-clarithromycin-based-quadruple-regimens-what-is-the-best-alternative-as-first-line-treatment-for-helicobacter-pylori-eradication-in-a-country-with-high-resistance-rates-for-both-antibiotics
#5
Diogo Branquinho, Nuno Almeida, Carlos Gregório, José Eduardo Pina Cabral, Adriano Casela, Maria Manuel Donato, Luís Tomé
BACKGROUND: Helicobacter pylori eradication rates in Portugal are declining, due to increased resistance of this bacterium to antimicrobial agents, especially Clarithromycin. Quadruple Levofloxacin-containing regimens could be an option for first-line treatment, but its efficacy should be evaluated as fluoroquinolone resistance is rapidly increasing. Our aim was to compare the efficacy of Clarithromycin and Levofloxacin-based sequential quadruple therapies as first-line treatment options and determine factors associated with treatment failure...
February 15, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28198344/-a-woman-with-reversible-encephalopathy
#6
E M Boot, K H Hanny, F J A Meijer, J J J van Eijk
A 72-year-old woman who recently had been treated with metronidazole presented with subacute dysarthria, gait ataxia and encephalopathy with severe anxiety. Head MRI showed symmetrical T2-hyperintensities. Under suspicion of a metronidazole-induced encephalopathy, metronidazole was stopped immediately. The patient recovered completely and follow-up MRI showed complete resolution of T2-hyperintensities.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28197902/neuropsychiatric-effects-of-antimicrobial-agents
#7
REVIEW
Nicholas Zareifopoulos, George Panayiotakopoulos
Antimicrobial drugs used in clinical practice are selected on the basis of their selective toxicity against bacterial cells. However, all exhibit multiple offsite interactions with eukaryotic cell structures, resulting in adverse reactions during antimicrobial pharmacotherapy. A multitude of these side effects involve the nervous system as antimicrobials at clinically relevant concentrations seem to interact with many of the same molecules usually implicated in the action of psychotropic drugs. The importance of such events cannot be overstated, as the misdiagnosis of an adverse drug reaction as a symptom of a primary psychiatric or neurological disorder entails great suffering for the patient affected as well as significant costs for the healthcare system...
February 14, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28193745/clarithromycin-based-triple-therapy-is-still-useful-as-an-initial-treatment-for-helicobacter-pylori-infection-in-the-dominican-republic
#8
Muhammad Miftahussurur, Modesto Cruz, Phawinee Subsomwong, José A Jiménez Abreu, Celso Hosking, Hiroyuki Nagashima, Junko Akada, Yoshio Yamaoka
Helicobacter pylori antibiotic susceptibility in the Dominican Republic has not been monitored. We assessed Hpylori antibiotic susceptibility in the Dominican Republic, and analyzed Hpylori mutations associated with antibiotic resistance. We recruited 158 dyspeptic patients in Santo Domingo and used agar dilution to test susceptibility to five antibiotics. Polymerase chain reaction-based sequencing was used to assess gyrA, gyrB, rdxA, frxA, and 23S rRNA mutations; next-generation sequencing was used to identify other metronidazole resistance-associated genes...
February 13, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28193274/evaluation-of-medicines-dispensing-pattern-of-private-pharmacies-in-rajshahi-bangladesh
#9
Shuvashis Saha, Md Tawhid Hossain
BACKGROUND: In developing country like BANGLADESH, people depend more on pharmacies due to expediency, shorter waiting time, cost reduction, availability of credit and flexible opening hours. The aim of this study was to investigate medicines dispensing patterns of the pharmacies in RAJSHAHI, BANGLADESH and to identify and analyze contribution of drugsellers and quacks in irrational drug use. METHODS: This cross-sectional study was conducted during January 2016 - April, 2016 in 75 randomly selected private pharmacies including both licensed and unlicensed pharmacies of covering LAKSHMIPUR area...
February 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28187061/bronchopulmonary-disease-caused-by-flagellated-protozoa-infection-in-15-chinese-children
#10
Jinrong Liu, Shaogang Li, Huimin Li, Yimu Fan, Haiming Yang, Hui Xu, Yuelin Shen, Shunying Zhao
BACKGROUND: Bronchopulmonary disease caused by flagellated protozoa infection (BPFP) is thought to be rare in children but may be an emerging or underestimated disease, especially in developing countries. METHODS: In this study, we retrospectively reviewed records of 15 patients who presented with a cough, wheezing, or bronchopulmonary disease of unknown causes at admission and were finally diagnosed with BPFP from January 2014 to January 2015 were enrolled. Protozoa were observed in bronchoalveolar lavage fluid by light microscopy...
December 13, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28183731/c-septicum-complicating-hemolytic-uremic-syndrome-survival-without-surgical-intervention
#11
Rachel M Engen, Elizabeth Y Killien, Jessica L Davis, Jordan M Symons, Silvia M Hartmann
Clostridium septicum is an anaerobic bacterium that causes rapidly progressive myonecrosis, bacteremia, and central nervous system infection. It has been reported as a complication of Escherichia coli hemolytic uremic syndrome (HUS) in 8 children worldwide; 5 children died, and the 3 reported survivors had surgically treated disease. We present 3 cases of C septicum complicating HUS in children, including the first 2 reported cases of survival without surgical intervention. All patients presented with classic cases of HUS with initial clinical improvement followed by deterioration...
February 9, 2017: Pediatrics
https://www.readbyqxmd.com/read/28183241/metronidazole-and-norfloxacin-induced-generalized-fixed-drug-eruptions-in-an-adult-male-patient-a-case-report
#12
Nidhi S Patel, Bhavesh C Chavada, Viren N Naik, Hiteshkumar N Patel, C B Tripathi
INTRODUCTION: Fluoroquinolones are most widely used for empirical treatment of gastrointestinal disease due to emergence of drug resistant strains to other antimicrobials. They are also indulged in cutaneous adverse drug reactions with varying form of severity. CASE PRESENTATION: A 43 year old male patient developed fixed drug eruptions after administration of tablet norfloxacin and metronidazole for treatment of colicky abdominal pain with diarrhoea. Erythematous rashes involved whole body including buccal mucosa...
February 9, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28181177/outcomes-associated-with-generic-drugs-approved-using-product-specific-determinations-of-therapeutic-equivalence
#13
Joshua J Gagne, Jennifer M Polinski, Wenlei Jiang, Sarah K Dutcher, Jing Xie, Joyce Lii, Lisa A Fulchino, Aaron S Kesselheim
OBJECTIVE: We sought to examine rates of clinical outcomes among patients before and after market introduction of generic versions of five drugs approved using product-specific equivalence determinations. METHODS: We used data from a large national insurer to identify patients who initiated a study (acarbose tablets, salmon calcitonin nasal spray, enoxaparin injection, vancomycin capsules, venlafaxine extended-release tablets) or control drug (nateglinide, glimepiride, alendronate, fondaparinux, metronidazole, sertraline, paroxetine) in each calendar month between 2003 and 2012 and to determine rates of claims-based proxies for lack of effectiveness outcomes following initiation...
February 8, 2017: Drugs
https://www.readbyqxmd.com/read/28174164/improving-malodour-management-in-advanced-cancer-a-10-year-retrospective-study-of-topical-oral-and-maintenance-metronidazole
#14
Reena George, Thotampuri Shanthi Prasoona, Ramu Kandasamy, Renitha Cherian, Thangarathi Celine, Jenifer Jeba, Shakila Murali, David Mathew
OBJECTIVES: To explore the relative effectiveness of topical or oral metronidazole used for malodour in necrotic cancers and to propose a protocol for metronidazole usage in managing malodour. METHODS: A retrospective case note review of the management of malodour over 10 years comparing outcomes with topical, intermittent and maintenance oral metronidazole. RESULTS: Among 179 patients treated for malodour, the commonest primaries were cervical (45%), and head and neck cancers (40%)...
February 6, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28172978/p389-low-dose-metronidazole-is-associated-with-a-decreased-rate-of-endoscopic-recurrence-of-crohn-s-disease-after-ileal-resection
#15
L Glick, P H Sossenheimer, A Hirsch, R D Hurst, R D Cohen, N Hyman, D T Rubin
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28167960/addition-of-ceftriaxone-and-amikacin-to-a-ciprofloxacin-plus-metronidazole-regimen-for-preventing-infectious-complications-of-transrectal-ultrasound-guided-prostate-biopsy-a-randomized-controlled-trial
#16
Mohammad-Hossein Izadpanahi, Kia Nouri-Mahdavi, Seyed Mahmood Majidi, Mohammad-Hatef Khorrami, Farshid Alizadeh, Mehrdad Mohammadi-Sichani
Background. The objective of this study was to evaluate the efficacy of adding single doses of ceftriaxone and amikacin to a ciprofloxacin plus metronidazole regimen on the reduction of infectious complications following transrectal ultrasound-guided prostate biopsy (TRUS Bx). Materials and Methods. Four hundred and fifty patients who were candidates for TRUS Bx were divided into two groups of 225 each. The control group received ciprofloxacin 500 mg orally every 12 hours together with metronidazole 500 mg orally every 8 hours from the day prior to the procedure until the fifth postoperative day...
2017: Advances in Urology
https://www.readbyqxmd.com/read/28167563/phenotypic-and-molecular-antimicrobial-susceptibility-of-helicobacter-pylori
#17
Derrick Chen, Scott A Cunningham, Nicolynn C Cole, Peggy C Kohner, Jayawant N Mandrekar, Robin Patel
BACKGROUND: Failure to eradicate Helicobacter pylori infection is often a result of antimicrobial resistance, which for clarithromycin, is typically mediated by specific point mutations in the 23S rRNA gene. The purpose of this study was to define current patterns of antimicrobial susceptibility in H. pylori isolates derived primarily from the United States, and to survey for the presence of point mutations in the 23S rRNA gene and assess the ability of these mutations to predict phenotypic clarithromycin susceptibility...
February 6, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28167477/efficacy-and-safety-of-entoban-for-the-treatment-of-chronic-diarrhea
#18
Sadia Shakeel, Khan Usmanghani, Hafiz Muhammad Asif
The current randomized clinical trial was conducted to assess the safety and effectiveness of Entoban for treating patients of chronic diarrhea. The study enrolled 150 patients fulfilling the inclusion criteria, among them 95 were males and 55 were females. Written informed consent was obtained from all study participants. Metronidazole tablets (400 mg) were used in a control group for 7-10 days. The test group received Entoban capsule 400mg every 8 hours for five days. Primary outcome of the study was daily bowel frequency evaluation; the secondary outcome was evaluation of clinical symptoms including abdominal pain, distention, stool consistency and sensation of incomplete evacuation...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28166328/comparative-effectiveness-of-vancomycin-and-metronidazole-for-the-prevention-of-recurrence-and-death-in-patients-with-clostridium-difficile-infection
#19
Vanessa W Stevens, Richard E Nelson, Elyse M Schwab-Daugherty, Karim Khader, Makoto M Jones, Kevin A Brown, Tom Greene, Lindsay D Croft, Melinda Neuhauser, Peter Glassman, Matthew Bidwell Goetz, Matthew H Samore, Michael A Rubin
Importance: Metronidazole hydrochloride has historically been considered first-line therapy for patients with mild to moderate Clostridium difficile infection (CDI) but is inferior to vancomycin hydrochloride for clinical cure. The choice of therapy may likewise have substantial consequences on other downstream outcomes, such as recurrence and mortality, although these secondary outcomes have been less studied. Objective: To evaluate the risk of recurrence and all-cause 30-day mortality among patients receiving metronidazole or vancomycin for the treatment of mild to moderate and severe CDI...
February 6, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28163966/an-active-principle-of-nigella-sativa-l-thymoquinone-showing-significant-antimicrobial-activity-against-anaerobic-bacteria
#20
Mohammad Akram Randhawa, Awwad Khalaf Alenazy, Majed Gorayan Alrowaili, Jamith Basha
AIM/BACKGROUND: Thymoquinone (TQ) is the major active principle of Nigella sativa seed (black seed) and is known to control many fungi, bacteria, and some viruses. However, the activity of TQ against anaerobic bacteria is not well demonstrated. Anaerobic bacteria can cause severe infections, including diarrhea, aspiration pneumonia, and brain abscess, particularly in immunodeficient individuals. The present study aimed to investigate the in vitro antimicrobial activity of TQ against some anaerobic pathogens in comparison to metronidazole...
January 2017: Journal of Intercultural Ethnopharmacology
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