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Infectious Diseases for Residents

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138 papers 25 to 100 followers
https://www.readbyqxmd.com/read/28055069/clarifying-a-penicillin-allergy-a-teachable-moment
#1
Alon Vaisman, Janine McCready, Jeff Powis
No abstract text is available yet for this article.
February 1, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/27256449/the-gut-microbiome-in-human-immunodeficiency-virus-infection
#2
REVIEW
Gili Zilberman-Schapira, Niv Zmora, Shlomik Itav, Stavros Bashiardes, Hila Elinav, Eran Elinav
HIV/AIDS causes severe dysfunction of the immune system through CD4+ T cell depletion, leading to dysregulation of both the adaptive and innate immune arms. A primary target for viral infection is the gastrointestinal tract, which is a reservoir of CD4+ T cells. In addition to being a major immune hub, the human gastrointestinal tract harbors trillions of commensal microorganisms, the microbiota, which have recently been shown to play critical roles in health. Alterations in the composition and function of microbiota have been implicated in a variety of 'multi-factorial' disorders, including infectious, autoimmune, metabolic, and neoplastic disorders...
June 3, 2016: BMC Medicine
https://www.readbyqxmd.com/read/28216442/a-seven-day-course-of-trimethoprim-sulfamethoxazole-may-be-as-effective-as-a-seven-day-course-of-ciprofloxacin-for-the-treatment-of-pyelonephritis
#3
Miriam T Fox, Michael T Melia, Rebecca G Same, Anna T Conley, Pranita D Tamma
INTRODUCTION: The Infectious Diseases Society of America guidelines recommend either 14 days of trimethoprim-sulfamethoxazole (TMP-SMX) or 7 days of ciprofloxacin for the treatment of pyelonephritis. Antibiotic courses of 7 days of TMP-SMX versus 7 days of ciprofloxacin for pyelonephritis have not been previously compared. We evaluated the odds of a subsequent, symptomatic urinary tract infection (UTI) for women with E. coli pyelonephritis receiving a 7-day course of TMP-SMX versus a 7-day course of ciprofloxacin...
February 16, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28246379/the-antibiotic-resistance-crisis-with-a-focus-on-the-united-states
#4
REVIEW
Evan Martens, Arnold L Demain
Beginning with the discovery of penicillin by Alexander Fleming in the late 1920s, antibiotics have revolutionized the field of medicine. They have saved millions of lives each year, alleviated pain and suffering, and have even been used prophylactically for the prevention of infectious diseases. However, we have now reached a crisis where many antibiotics are no longer effective against even the simplest infections. Such infections often result in an increased number of hospitalizations, more treatment failures and the persistence of drug-resistant pathogens...
March 1, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28121032/update-on-surgical-sepsis-syndrome
#5
REVIEW
J-L Vincent
BACKGROUND: Sepsis is a serious complication in surgical patients, and is associated with prolonged hospital stay and high mortality rates. The definitions of sepsis have been revisited recently. This article reviews how definitions have changed over the years, and provides an update on basic pathobiology and essential aspects of treatment. METHODS: PubMed was searched for reports published in English before October 2016, using the search terms 'surgical sepsis' AND 'surgical ICU'...
January 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28184480/dosing-guidance-for-intravenous-colistin-in-critically-ill-patients
#6
Roger L Nation, Samira M Garonzik, Visanu Thamlikitkul, Evangelos J Giamarellos-Bourboulis, Alan Forrest, David L Paterson, Jian Li, Fernanda P Silveira
No abstract text is available yet for this article.
December 23, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28186533/a-handshake-from-antimicrobial-stewardship-opens-doors-for-infectious-disease-consultations
#7
Kevin Messacar, Kristen Campbell, Kelly Pearce, Laura Pyle, Amanda L Hurst, Jason Child, Sarah K Parker
No abstract text is available yet for this article.
February 10, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28169050/the-importance-of-urine-concentration-on-the-diagnostic-performance-of-the-urinalysis-for-pediatric-urinary-tract-infection
#8
Pradip P Chaudhari, Michael C Monuteaux, Pinkey Shah, Richard G Bachur
STUDY OBJECTIVE: The presence of leukocyte esterase by urine dipstick and microscopic pyuria are both indicators of possible urinary tract infection. The effect of urine concentration on the diagnostic performance of the urinalysis for pediatric urinary tract infection has not been studied. Our objective is to determine whether the urinalysis performance for detecting urinary tract infection varies by urine concentration as measured by specific gravity. METHODS: This was a retrospective cross-sectional study of the urine laboratory results of children younger than 13 years who presented to the emergency department during 68 months and had a paired urinalysis and urine culture obtained...
February 3, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/27801499/six-month-therapy-for-abdominal-tuberculosis
#9
REVIEW
Sophie Jullien, Siddharth Jain, Hannah Ryan, Vineet Ahuja
BACKGROUND: Tuberculosis (TB) of the gastrointestinal tract and any other organ within the abdominal cavity is abdominal TB, and most guidelines recommend the same six-month regimen used for pulmonary TB for people with this diagnosis. However, some physicians are concerned whether a six-month treatment regimen is long enough to prevent relapse of the disease, particularly in people with gastrointestinal TB, which may sometimes cause antituberculous drugs to be poorly absorbed. On the other hand, longer regimens are associated with poor adherence, which could increase relapse, contribute to drug resistance developing, and increase costs to patients and health providers...
November 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28172666/clinical-impact-and-cost-effectiveness-of-xpert-mtb-rif-testing-in-hospitalized-patients-with-presumptive-pulmonary-tuberculosis-in-the-united-states
#10
James F Cowan, Aldine S Chandler, Elizabeth Kracen, David R Park, Carolyn K Wallis, Emelline Liu, Chao Song, David H Persing, Ferric C Fang
No abstract text is available yet for this article.
February 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28248946/new-and-developing-diagnostic-technologies-for-urinary-tract-infections
#11
REVIEW
Michael Davenport, Kathleen E Mach, Linda M Dairiki Shortliffe, Niaz Banaei, Tza-Huei Wang, Joseph C Liao
Timely and accurate identification and determination of the antimicrobial susceptibility of uropathogens is central to the management of UTIs. Urine dipsticks are fast and amenable to point-of-care testing, but do not have adequate diagnostic accuracy or provide microbiological diagnosis. Urine culture with antimicrobial susceptibility testing takes 2-3 days and requires a clinical laboratory. The common use of empirical antibiotics has contributed to the rise of multidrug-resistant organisms, reducing treatment options and increasing costs...
March 1, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28267783/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-after-urinary-tract-infection-a-three-year-prospective-cohort-study
#12
Silje B Jørgensen, Arne Søraas, Arnfinn Sundsfjord, Knut Liestøl, Truls M Leegaard, Pål A Jenum
We have performed a prospective cohort study to investigate the duration of and risk factors for prolonged fecal carriage of ESBL-producing Escherichia coli or Klebsiella pneumoniae in patients with community acquired urinary tract infection caused by these bacteria. From 2009 to 2011, 101 Norwegian patients were recruited. Stool swabs and questionnaires were collected every three months for one year and at the end of the study in 2012. Information on antibiotic prescriptions was collected from the Norwegian Prescription Database...
2017: PloS One
https://www.readbyqxmd.com/read/28122641/viral-and-bacterial-co-infection-in-pneumonia-do-we-know-enough-to-improve-clinical-care
#13
EDITORIAL
Kelly A Cawcutt, Andre C Kalil
No abstract text is available yet for this article.
January 26, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28242110/peptic-ulcer-disease
#14
REVIEW
Angel Lanas, Francis K L Chan
The rapidly declining prevalence of Helicobacter pylori infection and widespread use of potent anti-secretory drugs means peptic ulcer disease has become substantially less prevalent than it was two decades ago. Management has, however, become more challenging than ever because of the threat of increasing antimicrobial resistance worldwide and widespread use of complex anti-thrombotic therapy in the ageing population. Peptic ulcers not associated with H pylori infection or the use of non-steroidal anti-inflammatory drugs are now also imposing substantial diagnostic and therapeutic challenges...
February 23, 2017: Lancet
https://www.readbyqxmd.com/read/27185949/natural-mutations-in-a-staphylococcus-aureus-virulence-regulator-attenuate-cytotoxicity-but-permit-bacteremia-and-abscess-formation
#15
Sudip Das, Claudia Lindemann, Bernadette C Young, Julius Muller, Babett Österreich, Nicola Ternette, Ann-Cathrin Winkler, Kerstin Paprotka, Richard Reinhardt, Konrad U Förstner, Elizabeth Allen, Amy Flaxman, Yuko Yamaguchi, Christine S Rollier, Pauline van Diemen, Sebastian Blättner, Christian W Remmele, Martina Selle, Marcus Dittrich, Tobias Müller, Jörg Vogel, Knut Ohlsen, Derrick W Crook, Ruth Massey, Daniel J Wilson, Thomas Rudel, David H Wyllie, Martin J Fraunholz
Staphylococcus aureus is a major bacterial pathogen, which causes severe blood and tissue infections that frequently emerge by autoinfection with asymptomatically carried nose and skin populations. However, recent studies report that bloodstream isolates differ systematically from those found in the nose and skin, exhibiting reduced toxicity toward leukocytes. In two patients, an attenuated toxicity bloodstream infection evolved from an asymptomatically carried high-toxicity nasal strain by loss-of-function mutations in the gene encoding the transcription factor repressor of surface proteins (rsp)...
May 31, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28207070/giardiasis-diagnosis-and-treatment-practices-among-commercially-insured-persons-in-the-united-states
#16
Karlyn D Beer, Sarah A Collier, Fan Du, Julia W Gargano
No abstract text is available yet for this article.
February 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28160269/infections-in-cancer-patients-with-solid-tumors-a-review
#17
REVIEW
Kenneth V I Rolston
Solid tumors are much more common than hematologic malignancies. Although severe and prolonged neutropenia is uncommon, several factors increase the risk of infection in patients with solid tumors, and the presence of multiple risk factors in the same patient is not uncommon. These include obstruction (most often caused by progression of the tumor), disruption of natural anatomic barriers such as the skin and mucosal surfaces, and treatment-related factors such as chemotherapy, radiation, diagnostic and/or therapeutic surgical procedures, and the increasing use of medical devices such as various catheters, stents, and prostheses...
March 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28241755/effect-of-prior-receipt-of-antibiotics-on-the-pathogen-distribution-and-antibiotic-resistance-profile-of-key-gram-negative-pathogens-among-patients-with-hospital-onset-urinary-tract-infections
#18
Monique R Bidell, Melissa Palchak Opraseuth, Min Yoon, John Mohr, Thomas P Lodise
BACKGROUND: This retrospective cohort study characterized the impact of prior antibiotic exposure on distribution and nonsusceptibility profiles of Gram-negative pathogens causing hospital-onset urinary tract infections (UTI). METHODS: Hospital patients with positive urine culture for Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, and other Enterobacteriaceae ≥3 days after hospital admission were included. Assessment outcomes included the distribution of bacteria in urine cultures, antibiotic susceptibility patterns, and the effect of prior antibiotic exposure, defined as 0, 1, or ≥2 prior antibiotics, on the distribution and antibiotic susceptibility profiles of the Gram-negative organisms...
February 28, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28243803/co-infection-with-coxsackievirus-a5-and-norovirus-gii-4-could-have-been-the-trigger-of-the-first-episode-of-severe-acute-encephalopathy-in-a-six-year-old-child-with-the-intermittent-form-of-maple-syrup-urine-disease-msud
#19
Ákos Boros, Péter Pankovics, Sándor Kőmíves, Zoltán Liptai, Sarolta Dobner, Enikő Ujhelyi, György Várallyay, Petra Zsidegh, Nóra Bolba, Gábor Reuter
In this case study, a co-infection with coxsackievirus A5 (family Picornaviridae) and norovirus GII.4 (family Caliciviridae) was detected by RT-PCR in a faecal sample from a six-year-old girl with symptoms of severe acute encephalopathy subsequently diagnosed as the intermittent form of maple syrup urine disease (MSUD). The two co-infecting viruses, which had been detected previously, appeared to have triggered the underlying metabolic disorder. Here, we describe the genotyping of the viruses, as well as the chronological course, laboratory test results, and clinical presentation of this case, which included recurrent vomiting without diarrhoea, metabolic acidosis, unconsciousness, seizure and circulatory collapse, but with a positive final outcome...
February 27, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28279484/doxycycline-versus-prednisolone-as-an-initial-treatment-strategy-for-bullous-pemphigoid-a-pragmatic-non-inferiority-randomised-controlled-trial
#20
Hywel C Williams, Fenella Wojnarowska, Gudula Kirtschig, James Mason, Thomas R Godec, Enno Schmidt, Joanne R Chalmers, Margaret Childs, Shernaz Walton, Karen Harman, Anna Chapman, Diane Whitham, Andrew J Nunn
BACKGROUND: Bullous pemphigoid is a blistering skin disorder with increased mortality. We tested whether a strategy of starting treatment with doxycycline gives acceptable short-term blister control while conferring long-term safety advantages over starting treatment with oral corticosteroids. METHODS: We did a pragmatic, multicentre, parallel-group randomised controlled trial of adults with bullous pemphigoid (three or more blisters at two or more sites and linear basement membrane IgG or C3)...
March 6, 2017: Lancet
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