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clinical infectious disease

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https://www.readbyqxmd.com/read/29144824/17%C3%AE-hydroxylase-deficiency-is-an-underdiagnosed-disease-high-frequency-of-misdiagnoses-in-a-large-cohort-of-brazilian-patients
#1
Rafaela Fontenele, Marivânia Costa-Santos, Claudio E Kater
OBJECTIVE: 17α-Hydroxylase deficiency (P450c17D) is characterized by hypogonadism and mineralocorticoid hypertension. We aimed to estimate the relative incidence and spectrum of preliminary misdiagnoses in Brazilian P450c17D patients. DESIGN: Cross-sectional study. METHODS: We reviewed, updated, and analyzed data of 40 P450c17D patients (21 XY, 19 XX). RESULTS: Complete data were unavailable for two patients. Seven patients were relatives of an index case...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144217/mechanisms-of-naturally-acquired-immunity-to-p-falciparum-and-approaches-to-identify-merozoite-antigen-targets
#2
Julie Healer, Chris Y Chiu, Diana S Hansen
Malaria is one the most serious infectious diseases with over 200 million clinical cases annually. Most cases of the severe disease are caused by Plasmodium falciparum. The blood stage of Plasmodium parasite is entirely responsible for malaria-associated pathology. The population most susceptible to severe malaria are children under the age of 5, with low levels of immunity. It is only after many years of repeated exposure that individuals living in endemic areas develop clinical immunity. This form of protection prevents clinical episodes by substantially reducing parasite burden...
November 16, 2017: Parasitology
https://www.readbyqxmd.com/read/29143192/middle-east-respiratory-syndrome-and-severe-acute-respiratory-syndrome-current-therapeutic-options-and-potential-targets-for-novel-therapies
#3
REVIEW
Julie Dyall, Robin Gross, Jason Kindrachuk, Reed F Johnson, Gene G Olinger, Lisa E Hensley, Matthew B Frieman, Peter B Jahrling
No specific antivirals are currently available for two emerging infectious diseases, Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS). A literature search was performed covering pathogenesis, clinical features and therapeutics, clinically developed drugs for repurposing and novel drug targets. This review presents current knowledge on the epidemiology, pathogenesis and clinical features of the SARS and MERS coronaviruses. The rationale for and outcomes with treatments used for SARS and MERS is discussed...
November 15, 2017: Drugs
https://www.readbyqxmd.com/read/29143119/infectious-and-non-infectious-diseases-causing-the-air-crescent-sign-a-state-of-the-art-review
#4
REVIEW
Joyce Betta Sevilha, Rosana Souza Rodrigues, Miriam Menna Barreto, Gláucia Zanetti, Bruno Hochhegger, Edson Marchiori
Aspergilloma, also known as mycetoma or fungus ball, is characterized by a round or oval mass with soft-tissue attenuation within a preexisting lung cavity. The typical computed tomography (CT) aspect of an aspergilloma is a mass separated from the wall of the cavity by an airspace of variable size and shape, resulting in the air crescent sign, also known as the meniscus sign. This CT feature is non-specific and can be simulated by several other entities that result in intracavitary masses. This review describes the main clinical and imaging aspects of the infectious and non-infectious diseases that may present with fungus-ball appearance, including pulmonary hydatid cyst, Rasmussen aneurysm, pulmonary gangrene, intracavitary clot, textiloma, lung cancer, metastasis, and teratoma, focusing on the differential diagnosis...
November 15, 2017: Lung
https://www.readbyqxmd.com/read/29143062/-intracranial-cystic-lesions
#5
REVIEW
F Ahlhelm, K Shariat, S Götschi, S Ulmer
CLINICAL PROBLEM: Intracerebral cysts are common findings in imaging of the neurocranium and are not always clinically significant. The pathological spectrum of intracerebral cysts is, however, very broad and in addition to incidental findings includes developmental disorders, malformation tumors, primary and secondary neoplasms and infectious etiologies, such as cerebral abscess formation, cysticercosis or residuals after congenital cytomegalovirus infections. Intracerebral cystic defects may be caused by inflammatory central nervous system (CNS) diseases, such as multiple sclerosis as well as by mitochondriopathies, leukodystrophy, electrolyte disturbances or osmotic demyelination syndrome or brain infarctions, e...
November 15, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29142539/values-of-magnetic-resonance-imaging-and-cerebrospinal-fluid-analysis-in-the-diagnosis-of-central-nervous-system-associated-infectious-diseases
#6
Dongfeng Zhang
Objective: To discuss the roles of magnetic resonance imaging (MRI) and cerebrospinal fluid analysis in the identification of central nervous system associated infection and provide a reference for the diagnosis and treatment of central nervous system associated infectious diseases. Methods: Seventy-six patients who developed central nervous system infection and were admitted into the Henan People's Hospital between June 2014 and October 2015 were randomly selected as an observation group...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142389/bioactive-constituents-radical-scavenging-and-antibacterial-properties-of-the-leaves-and-stem-essential-oils-from-peperomia-pellucida-l-kunth
#7
Sunday O Okoh, Benson C Iweriebor, Omobola O Okoh, Anthony I Okoh
Background: Peperomia pellucida is an annual herbaceous ethnomedicinal plant used in the treatment of a variety of communicable and noncommunicable diseases in the Amazon region. Objective: The study aimed at profiling the bioactive constituents of the leaves and stem essential oils (LEO and SEO) of P. pellucida, their in vitro antibacterial and radical scavenging properties as probable lead constituents in the management of oxidative stress and infectious diseases...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142034/cumulative-burden-of-glucocorticoid-related-adverse-events-in-patients-with-systemic-lupus-erythematosus-findings-from-a-12-year-longitudinal-study
#8
Hung-Lin Chen, Li-Jiuan Shen, Ping-Ning Hsu, Chieh-Yu Shen, Susan A Hall, Fei-Yuan Hsiao
OBJECTIVE: The aim of this population-based study is to examine the adverse events (AE) associated with longitudinal systemic glucocorticoid (GC) use among an ethnic Chinese systemic lupus erythematosus (SLE) cohort. METHODS: Our study subjects were patients with newly diagnosed SLE aged 18 and older who received at least 1 prescription of systemic GC between 2001 and 2012 from Taiwan's National Health Insurance Research Database (NHIRD). The earliest prescription date of systemic GC for each subject was defined as the index date...
November 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29141915/laboratory-screening-for-children-entering-foster-care
#9
Mary V Greiner, Sarah J Beal, Katie Nause, Mary Allen Staat, Judith W Dexheimer, Philip V Scribano
OBJECTIVES: To determine the prevalence of medical illness detected by laboratory screening in children entering foster care in a single, urban county. METHODS: All children entering foster care in a single county in Ohio were seen at a consultation foster care clinic and had laboratory screening, including testing for infectious diseases such as HIV, hepatitis B, hepatitis C, syphilis, and tuberculosis as well as for hemoglobin and lead levels. RESULTS: Over a 3-year period (2012-2015), laboratory screening was performed on 1977 subjects entering foster care in a consultative foster care clinic...
November 15, 2017: Pediatrics
https://www.readbyqxmd.com/read/29141869/human-stem-cell-derived-astrocytes-replicate-human-prions-in-a-prnp-genotype-dependent-manner
#10
Zuzana Krejciova, James Alibhai, Chen Zhao, Robert Krencik, Nina M Rzechorzek, Erik M Ullian, Jean Manson, James W Ironside, Mark W Head, Siddharthan Chandran
Prions are infectious agents that cause neurodegenerative diseases such as Creutzfeldt-Jakob disease (CJD). The absence of a human cell culture model that replicates human prions has hampered prion disease research for decades. In this paper, we show that astrocytes derived from human induced pluripotent stem cells (iPSCs) support the replication of prions from brain samples of CJD patients. For experimental exposure of astrocytes to variant CJD (vCJD), the kinetics of prion replication occur in a prion protein codon 129 genotype-dependent manner, reflecting the genotype-dependent susceptibility to clinical vCJD found in patients...
November 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29141727/point-of-care-ultrasound-for-extrapulmonary-tuberculosis-in-india-a-prospective-cohort-study-in-hiv-positive-and-hiv-negative-presumptive-tuberculosis-patients
#11
Stefan F Weber, Kavitha Saravu, Tom Heller, Rajagopal Kadavigere, Shashidhar Vishwanath, Stephan Gehring, Sabine Bélard, And Pocus Eti Study Group
Diagnosing extrapulmonary tuberculosis (EPTB) is challenging. Point-of-care ultrasound (POCUS) for human immunodeficiency virus (HIV)-associated EPTB is applied in sub-Saharan Africa. This study aimed at evaluating the applicability of POCUS for diagnosing EPTB in HIV-positive and HIV-negative presumptive tuberculosis (TB) patients in India, a country of moderate relative TB and HIV burden. Presumptive TB patients at Kasturba Hospital, Manipal, India, prospectively underwent POCUS evaluating for pericardial, pleural and ascitic effusion, abdominal lymphadenopathy, and hepatic and splenic microabscesses...
October 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29140081/the-human-milk-glycome-as-a-defense-against-infectious-diseases-rationale-challenges-and-opportunities
#12
Kelly M Craft, Steven D Townsend
Each year over 3 million people die from infectious diseases with most of these deaths being poor and young children who live in low- and middle-income countries. Infectious diseases emerge for a multitude of reasons. On the social front, reasons include a breakdown of public health standards, international travel, and immigration (for financial, civil, and social reasons). At the molecular level, the modern rise of infectious diseases is tied to the juxtaposition of drug-resistant pathogens and a lack of new antimicrobials...
November 15, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29138961/blastocystis-subtypes-isolated-from-irritable-bowel-syndrome-patients-and-co-infection-with-helicobacter-pylori
#13
Ayman A El-Badry, Wegdan M Abd El Wahab, Doaa A Hamdy, Alaa Aboud
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disease presenting clinically by abdominal pain with alteration of bowel habits. Although IBS has uncertain etiology, chronic gut inflammation due to persistent exposure to an infectious agent including Blastocystis sp. was proposed. The aim of this study was to detect the prevalence of Blastocystis sp. subtype (ST) isolated from stool of IBS patients and to assess Blastocystis sp. and H. pylori co-infection in IBS patients from Beni-Suef Governorate, Egypt...
November 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29138302/disruption-of-the-opal-stop-codon-attenuates-chikungunya-virus-induced-arthritis-and-pathology
#14
Jennifer E Jones, Kristin M Long, Alan C Whitmore, Wes Sanders, Lance R Thurlow, Julia A Brown, Clayton R Morrison, Heather Vincent, Kayla M Peck, Christian Browning, Nathaniel Moorman, Jean K Lim, Mark T Heise
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus responsible for several significant outbreaks of debilitating acute and chronic arthritis and arthralgia over the past decade. These include a recent outbreak in the Caribbean islands and the Americas that caused more than 1 million cases of viral arthralgia. Despite the major impact of CHIKV on global health, viral determinants that promote CHIKV-induced disease are incompletely understood. Most CHIKV strains contain a conserved opal stop codon at the end of the viral nsP3 gene...
November 14, 2017: MBio
https://www.readbyqxmd.com/read/29137595/study-of-bacterial-infections-among-patients-receiving-kidney-transplant-in-mashhad-iran
#15
Davood Mansury, Azad Khaledi, Kiarash Ghazvini, Mahin Ghorban Sabbagh, Hosna Zare, Mohammad Hossein Rokni-Hosseini, Hossein Vazini
OBJECTIVES: Over the past 2 decades, significant advances have been made in the management of infections after transplant; however, transplant recipients are still at high risk of infectious complications. This study aimed to evaluate the prevalence of bacterial infections and antimicrobial resistance patterns in kidney transplant recipients. MATERIALS AND METHODS: This cross-sectional study included 356 patients who received kidney transplants, regardless of the underlying disease, from 2013 to 2015 at the Montaserieh Transplant Hospital (Mashhad, Iran)...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29134815/people-diagnosed-with-hiv-and-in-care-in-italy-in-2014-results-from-the-second-national-survey
#16
Laura Camoni, Mariangela Raimondo, Roberta Urciuoli, Simone Iacchini, Barbara Suligoi, Patrizio Pezzotti
We conducted a second National survey in all Italian Infectious Disease clinics to assess the number of people diagnosed and linked to care and, among these, the number of people on antiretroviral therapy and viral load suppressed. In 2014, 100,049 (0.16 per 100 residents) people diagnosed and linked to care were estimated, corresponding to an increase of 6.3% compared to the survey conducted in 2012. Among people diagnosed and linked to care, 91.9% were on antiretroviral therapy (increase of 11.4% compared to 2012), and among these, 87...
November 14, 2017: AIDS Care
https://www.readbyqxmd.com/read/29132792/-neuromeningeal-cryptococcosis-in-patients-infected-with-hiv-at-agadir-regional-hospital-souss-massa-morocco
#17
S Chadli, M Aghrouch, N Taqarort, M Malmoussi, Z Ouagari, F Moustaoui, M Bourouache, S Oulkheir
INTRODUCTION: Neuromeningeal cryptococcosis (NMC) is a severe and fatal opportunistic infection. Lethality is frequent in the absence of treatment, especially in the presence of HIV co-infection. OBJECTIVE: To determine the prevalence, epidemiological, clinical, biological and therapeutic aspects as well as the evolution of NMC for patients infected with HIV. PATIENTS AND METHODS: This is a retrospective study of 40 cases of neuromeningeal cryptococcosis diagnosed in HIV-infected patients...
November 10, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29132749/use-of-immunomodulatory-drugs-at-a-uveitis-clinic
#18
Claudia Millán-Longo, Diana Peiteado, Armelle Schlincker, Ventura Hidalgo, Amara Pieren, Alejandro Balsa, Eugenio de Miguel
OBJECTIVE: The treatment of noninfectious uveitis includes steroids and immunomodulatory drugs, the use of which has increased in the last few years, and the options have been enriched with the development of new treatments. However, clear therapeutic guidelines and protocols have not been developed. The purpose is to analyze the response to the drugs used and the characteristics of the patients treated at a multidisciplinary uveitis clinic. MATERIAL AND METHODS: Observational and retrospective study of the patients attended to from January 2012 to December 2015...
November 10, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/29131924/when-an-orbital-infection-isn-t-infectious-at-all-a-review-of-orbital-inflammatory-syndrome
#19
Sadie A LaPonsie, Peter K Rabiah
Orbital inflammatory syndrome (OIS) includes a wide range of clinical manifestations and may initially be misdiagnosed as orbital cellulitis due similar symptoms of fever, periorbital swelling, and pain with eye movements. A diagnosis of OIS requires evaluation for underlying systemic disorders including autoimmune disorders and thyroid disease. Symptoms typically improve rapidly after initiation of steroid therapy, although recurrence can occur. This article presents an illustrative case of a 13-year-old girl with OIS...
November 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/29131878/association-of-brain-structure-changes-and-cognitive-function-with-combination-antiretroviral-therapy-in-hiv-positive-individuals
#20
Ryan Sanford, Lesley K Fellows, Beau M Ances, D Louis Collins
Importance: Despite the introduction of combination antiretroviral therapy (cART), HIV-associated neurocognitive disorders continue to be a problem for treated HIV-positive individuals. The cause of this impairment remains unclear. Objective: To determine if detectable brain changes occur during a 2-year period in HIV-positive individuals who were aviremic and treated with cART. Design, Setting, and Participants: In this longitudinal case-control study, participants underwent neuroimaging and neuropsychological assessment approximately 2 years apart...
November 13, 2017: JAMA Neurology
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