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https://www.readbyqxmd.com/read/28822559/antibiotic-therapy-for-prevention-of-fistula-in-ano-after-incision-and-drainage-of-simple-perianal-abscess-a-randomized-single-blind-clinical-trial
#1
Leila Ghahramani, Mohammad Reza Minaie, Peyman Arasteh, Seyed Vahid Hosseini, Ahmad Izadpanah, Ali Mohammad Bananzadeh, Mahboobe Ahmadbeigi, Zahra Hooshanginejad
BACKGROUND: Much controversy exists regarding the role of antibiotics in the development of fistula in-ano after incision and drainage. We evaluated the role of postoperative antibiotics in the prevention of fistula in-ano after incision and drainage of perianal abscess. METHODS: In a randomized single blind clinical trial study, 307 patients were randomly selected from those referring for incision and drainage of perianal abscess at Shahid Faghihi Hospital, Shiraz, Iran, during September 2013 to September 2014...
August 16, 2017: Surgery
https://www.readbyqxmd.com/read/28820699/in-vitro-testing-of-potential-entamoeba-histolytica-pyruvate-phosphate-dikinase-inhibitors
#2
Syazwan Saidin, Nurulhasanah Othman, Rahmah Noordin
Adverse effects and resistance to metronidazole have motivated the search for new antiamoebic agents against Entamoeba histolytica. Control of amoeba growth may be achieved by inhibiting the function of the glycolytic enzyme and pyruvate phosphate dikinase (PPDK). In this study, we screened 10 compounds using an in vitro PPDK enzyme assay. These compounds were selected from a virtual screening of compounds in the National Cancer Institute database. The antiamoebic activity of the selected compounds was also evaluated by determining minimal inhibitory concentrations (MICs) and IC50 values using the nitro-blue tetrazolium reduction assay...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820321/non-surgical-therapy-reduces-presence-of-jp2-clone-in-localized-aggressive-periodontitis
#3
Danielle K Burgess, Hong Huang, Peter Harrison, Theodora Kompotiati, Ikramuddin Aukhil, Luciana M Shaddox
BACKGROUND: Previous studies have provided substantial evidence on the association of Aggregatibacter actinomycetemcomitans (Aa), and its highly leukotoxic JP2 genotype, with localized aggressive periodontitis (LAP). The present study aims to evaluate the presence of JP2 in LAP individuals following periodontal treatment. METHODS: Sixty African American LAP patients between ages 5 and 25 years were examined. At baseline, pocket depth (PD), clinical attachment level (CAL), bleeding on probing (BoP) and plaque index were measured and subgingival plaque was collected from both LAP diseased sites and healthy sites for each participant...
August 18, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28814829/antibiotic-susceptibility-heteroresistance-and-updated-treatment-strategies-in-helicobacter-pylori-infection
#4
REVIEW
Maria Teresa Mascellino, Barbara Porowska, Massimiliano De Angelis, Alessandra Oliva
In this review, we discuss the problem of antibiotic resistance, heteroresistance, the utility of cultures and antibiotic susceptibility tests in Helicobacter pylori (Hp) eradication, as well as the updated treatment strategies for this infection. The prevalence of antibiotic resistance is increasing all over the world, especially for metronidazole and clarithromycin, because of their heavy use in some geographical areas. Heteroresistance (simultaneous presence of both susceptible and resistant strains in different sites of a single stomach) is another important issue, as an isolate could be mistakenly considered susceptible if a single biopsy is used for antimicrobial tests...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28814112/an-injectable-in-situ-gel-with-cubic-and-hexagonal-nanostructures-for-local-treatment-of-chronic-periodontitis
#5
Liling Mei, Yecheng Xie, Xintian Huang, Jintian Chen, Ying Huang, Bei Wang, Hui Wang, Xin Pan, Chuanbin Wu
Periodontitis is a chronic bacterial infection, and its effective treatment is dependent on the retention of antibiotics of effective concentrations at the periodontal pockets. In this study, a solution-gel based inverse lyotropic liquid crystalline (LLC) system was explored to deliver metronidazole to the periodontal pockets for local treatment of periodontitis. It was found that the metronidazole-loaded LLC precursor spontaneously transformed into gel in the presence of water in the oral cavity. The low viscosity of the precursor would allow its penetration to the rather difficult to reach infection sites, while the adhesiveness and crystalline nanostructures (inverse bicontinuous cubic Pn3m phase and inverse hexagonal phase) of the formed gel would permit its firm adhesion to the periodontal pockets...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28812416/role-of-branchiomotor-neurons-in-controlling-food-intake-of-zebrafish-larvae
#6
James R Allen, Kiran D Bhattacharyya, Emilia Asante, Badr Almadi, Kyle Schafer, Jeremy Davis, Jane Cox, Mark Voigt, John A Viator, Anand Chandrasekhar
The physical act of eating or feeding involves the coordinated action of several organs like eyes and jaws, and associated neural networks. Moreover, the activity of the neural networks controlling jaw movements (branchiomotor circuits) is regulated by the visual, olfactory, gustatory and hypothalamic systems, which are largely well characterized at the physiological level. By contrast, the behavioral output of the branchiomotor circuits and the functional consequences of disruption of these circuits by abnormal neural development are poorly understood...
August 16, 2017: Journal of Neurogenetics
https://www.readbyqxmd.com/read/28807915/both-14-day-hybrid-and-bismuth-quadruple-therapies-cure-most-patients-with-helicobacter-pylori-infection-in-populations-with-moderate-antibiotic-resistance-a-randomized-controlled-trial
#7
Feng-Woei Tsay, Deng-Chyang Wu, Hsien-Chung Yu, Sung-Shuo Kao, Kung-Hung Lin, Jin-Shiung Cheng, Huay-Min Wang, Wen-Chi Chen, Wei-Chih Sun, Kuo-Wang Tsai, Ping-I Hsu
BACKGROUND & AIM: Hybrid therapy is a novel two-step treatment achieving a high eradication rate for H. pylori infection. Currently, whether this new therapy achieves a higher eradication rate than bismuth quadruple therapy remains an unanswered question. The aim of this prospective, randomized, comparive study was to investigate the efficacies of 14-day hybrid therapy and bismuth quadruple therapy in the treatment of H. pylori infection.METHODS: From July 2013 to June 2015, eligible H. pylori-infected subjects were randomly assigned to receive either 14-day bismuth quadruple therapy (pantoprazole, bismuth subcitrate, tetracycline, and metronidazole for 14 days) or 14-day hybrid therapy (a 7-day dual therapy with pantoprazole plus amoxicillin, followed by a 7-day quadraple therapy with pantoprazole plus amoxicillin, clarithromycin and metronidazole)...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28807017/the-urinary-microbiota-of-men-and-women-and-its-changes-in-women-during-bacterial-vaginosis-and-antibiotic-treatment
#8
Cornelia Gottschick, Zhi-Luo Deng, Marius Vital, Clarissa Masur, Christoph Abels, Dietmar H Pieper, Irene Wagner-Döbler
BACKGROUND: The urinary microbiota is similarly complex as the vaginal and penile microbiota, yet its role as a reservoir for pathogens and for recurrent polymicrobial biofilm diseases like bacterial vaginosis (BV) is not clear. RESULTS: Here, we analysed the urinary microbiota of healthy men and women and compared it with that of women during BV and after antibiotic treatment using next-generation sequencing of the 16S rRNA gene V1-V2 regions. Eight different community types, so called urotypes (UT), were identified in healthy humans, all of which were shared between men and women, except UT 7, dominated in relative abundance by Lactobacillus crispatus, which was found in healthy women only...
August 14, 2017: Microbiome
https://www.readbyqxmd.com/read/28806959/second-line-therapy-for-helicobacter-pylori-eradication-causing-antibiotic-associated-hemorrhagic-colitis
#9
Kazuyuki Tanaka, Mikihiro Fujiya, Aki Sakatani, Shugo Fujibayashi, Yoshiki Nomura, Nobuhiro Ueno, Shin Kashima, Takuma Goto, Junpei Sasajima, Kentaro Moriichi, Toshikatsu Okumura
OBJECTIVE: Helicobacter pylori (H. pylori) eradication rarely develops into antibiotic-associated hemorrhagic colitis (AAHC), in which the etiology of colitis remains unclear. We herein report a rare case of AAHC caused by second-line therapy for H. pylori eradication. RESULTS: A 65-year-old female was administered second-line therapy for H. pylori composed of 1500 mg of amoxicillin, 500 mg of metronidazole and 40 mg of vonoprazan for 7 days because of first-line therapy failure...
August 14, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28796888/a-double-masked-rct-comparing-four-periodontitis-treatment-strategies-5-year-clinical-results
#10
Hans R Preus, Per Gjermo, Vibeke Baelum
AIM: To test the hypothesis of no difference in the 5-year clinical outcome of therapy between groups of patients treated with conventional over-weeks scaling and root planing or same-day full-mouth-disinfection, with or without adjunctive metronidazole. MATERIALS AND METHODS: Following a three-month oral hygiene phase, 184 periodontitis patients were randomly allocated to one of four treatment regimens 1) full mouth disinfection+metronidazole, 2) full mouth disinfection+placebo, 3) scaling and root planing+metronidazole, 4) scaling and root planing+placebo...
August 10, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28796742/metronidazole-for-posthemorrhoidectomy-pain-does-no-statistical-significance-mean-insignificant-effect-on-pain-relief
#11
Hui-Zi Li, Yu-Sheng Cheng, Xue-Fei Liu, Xiang-Nan Zhu
No abstract text is available yet for this article.
September 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28795395/modulation-of-periodontitis-progression-using-ph-responsive-nanosphere-encapsulating-metronidazole-or-n-phenacylthialzolium-bromide
#12
J-H Lin, F Feng, M-C Yu, C-H Wang, P-C Chang
BACKGROUND AND OBJECTIVE: This study aimed to develop pH-responsive polylactide-glycolic acid co-polymer and chitosan (PLGA/chitosan) nanosphere as an inflammation-responsive vehicle and evaluate the potential of the nanosphere encapsulating metronidazole, an antibiotic, and N-phenacylthiazolium bromide (PTB), a host modulator, for treating periodontitis. MATERIAL AND METHODS: PLGA/chitosan nanospheres were fabricated using oil-in-water emulsion method. Experimental periodontitis was induced on the rat maxillae, and the sites were randomly allocated to four treatment categories, including periodontitis alone (PR), periodontitis with nanospheres alone, nanospheres encapsulating metronidazole (MT) and nanospheres encapsulating PTB (PB)...
August 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28792372/treatment-failure-of-bacterial-vaginosis-is-not-associated-with-higher-loads-of-atopobium-vaginae-and-gardnerella-vaginalis
#13
Carolina Sanitá Tafner Ferreira, Gilbert Gerard Donders, Cristina Maria Garcia de Lima Parada, Andrea da Rocha Tristão, Thaiz Fernandes, Márcia Guimarães da Silva, Camila Marconi
PURPOSE: Cervicovaginal Atopobium vaginae and Gardnerella vaginalis are strongly associated with bacterial vaginosis (BV) and are the main components of vaginal biofilms. The low efficacy of BV treatment with metronidazole may be due to the presence of such biofilms. Thus, the aim of this study was to compare the pretreatment cervicovaginal loads of A. vaginae and G. vaginalis for women who restored normal flora and those who persisted with BV after a full course of oral metronidazole...
August 10, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28791844/frequency-of-infection-with-helicobacter-pylori-isolates-of-different-antimicrobial-profiles-in-children-and-adolescents-a-preliminary-study
#14
Grażyna Gościniak, Monika M Biernat, Aldona Bińkowska, Agnieszka Kus, Barbara Iwańczak
BACKGROUND: Helicobacter pylori (H. pylori) infection can occur as a mixed infection caused by several strains of H. pylori. OBJECTIVES: The aim of the study was to determine the frequency of colonization of the gastric mucosa by strains of H. pylori with different susceptibility to antimicrobial agents. MATERIAL AND METHODS: The study was carried out on gastric biopsies taken from 54 previously untreated Polish children and adolescents. Of the 15 positive cultures, from each primary medium, 6 single H...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791215/clostridium-difficile-infections-in-young-infants-case-presentations-and-literature-review
#15
Gé-Ann Kuiper, Joffrey van Prehn, Wim Ang, Frank Kneepkens, Sophie van der Schoor, Tim de Meij
It has been assumed that symptomatic Clostridium difficile infections do not occur in young infants, as this specific group would lack specific C. difficile toxin receptors. As a consequence, it is often current practice not to test for C. difficile in neonates and young infants up to 2 years of age presenting with (bloody) diarrhea. The evidence to support this is, however, weak and largely based on small, poorly designed animal studies. We present two young infants with recurrent bloody diarrhea following antimicrobial therapy, positive testing for toxigenic C...
2017: IDCases
https://www.readbyqxmd.com/read/28791044/adding-bismuth-to-rabeprazole-based-first-line-triple-therapy-does-not-improve-the-eradication-of-helicobacter-pylori
#16
Meng-Chieh Wu, Yao-Kuang Wang, Chung-Jung Liu, Fang-Jung Yu, Fu-Chen Kuo, Min-Li Liu, Chao-Hung Kuo, Deng-Chyang Wu, Yao-Kang Huang, I-Chen Wu
This randomized controlled study aimed to evaluate whether adding bismuth to the standard first-line triple therapy could improve the eradication rate of Helicobacter pylori. A total of 162 patients with Helicobacter pylori infection were randomly assigned to either the 7-day triple therapy group (RAK regimen: rabeprazole 20 mg, amoxicillin 1 g, and clarithromycin 500 mg bid; n = 81) or the bismuth plus triple therapy group (n = 81). In the RBAK group, bismuth subcitrate 360 mg twice daily was added to the RAK regimen...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28781119/primary-antibiotic-resistance-in-helicobacter-pylori-in-the-asia-pacific-region-a-systematic-review-and-meta-analysis
#17
Yu-Ting Kuo, Jyh-Ming Liou, Emad M El-Omar, Jeng-Yih Wu, Alex Hwong Ruey Leow, Khean Lee Goh, Rajashree Das, Hong Lu, Jaw-Town Lin, Yu-Kang Tu, Yoshio Yamaoka, Ming-Shiang Wu
BACKGROUND: So far, a comprehensive systematic review and meta-analysis has not been done of the prevalence of primary antibiotic resistance in Helicobacter pylori in the Asia-Pacific region. We aimed to assess the trends and regional differences in primary antibiotic resistance to H pylori in the Asia-Pacific region and to examine the relation between resistance and first-line eradication. METHODS: We did a systematic review and meta-analysis of primary antibiotic resistance to H pylori and the efficacy of first-line regimens in the Asia-Pacific region...
August 3, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28776518/fighting-tuberculosis-by-drugs-targeting-nonreplicating-mycobacterium-tuberculosis-bacilli
#18
REVIEW
Angelo Iacobino, Giovanni Piccaro, Federico Giannoni, Alessandro Mustazzolu, Lanfranco Fattorini
Current tuberculosis (TB) treatment requires 6 months of combination therapy with isoniazid (INH), rifampin (RIF), pyrazinamide (PZA), and ethambutol for active TB and 9 months of INH or 3 months of rifapentine (RFP) + INH for latent TB. The lungs of patients with active and latent TB contain heterogeneous mixtures of cellular and caseous granulomas harboring Mycobacterium tuberculosis bacilli ranging from actively replicating (AR) to nonreplicating (NR), phenotypically drug-resistant stages. Several in vitro models to obtain NR cells were reported, including exposure to hypoxia, nutrient starvation, acid + nitric oxide, and stationary phase...
July 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28775313/disposition-and-residue-depletion-of-metronidazole-in-pigs-and-broilers
#19
Yuanhu Pan, Jiliang Yi, Bo Zhou, Shuyu Xie, Dongmei Chen, Yanfei Tao, Wei Qu, Zhenli Liu, Lingli Huang, Zonghui Yuan
Metronidazole (MNZ) is used in veterinary medicine for the treatment of anaerobic infections and a variety of protozoal and parasitic diseases. Current study has been conducted to examine the disposition and residue depletion studies of MNZ and its main metabolites in pigs and broilers. After a single oral administration of MNZ, the concentrations of MNZ and its main metabolites in the excreta of pigs and broilers were determined by LC-MS/MS. More than 75% of the drug was recovered within 14 days, of which MNZ accounted for about 40%, MNZ-OH 20-25% and MAA less than 10%...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28775311/a-selective-electrochemical-sensor-for-caffeic-acid-and-photocatalyst-for-metronidazole-drug-pollutant-a-dual-role-by-rod-like-srv2o6
#20
R Karthik, J Vinoth Kumar, Shen-Ming Chen, P Senthil Kumar, V Selvam, V Muthuraj
In the present study, well-defined one-dimensional (1D) rod-like strontium vanadate (SrV2O6) was prepared by simple hydrothermal method without using any other surfactants/templates. The successful formation of rod-like SrV2O6 was confirmed by various analytical and spectroscopic techniques. Interestingly, for the first time the dual role of as-prepared rod-like SrV2O6 were employed as an electrochemical sensor for the detection of caffeic acid (CA) as well as visible light active photocatalyst for the degradation of metronidazole (MNZ) antibiotic drug...
August 3, 2017: Scientific Reports
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