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https://www.readbyqxmd.com/read/28210500/drug-release-characteristics-and-tissue-distribution-of-rifapentine-polylactic-acid-sustained-release-microspheres-in-rabbits-after-paravertebral-implantation
#1
Zheng Zhang, Linbo Wu, Haijian Li, Zhicheng Long, Xinghua Song
BACKGROUND: Rates of drug-resistant tuberculosis (TB) and TB associated with human immunodeficiency virus (HIV) infection have increased dramatically, intensifying challenges in TB control. New formulations of TB treatment drugs that control drug release and increase local drug concentrations will have a significant impact on mitigating the toxic side effects and increasing the clinical efficacy of anti-TB drugs. OBJECTIVES: The aim was to observe the sustained release characteristics of rifapentine polylactic acid sustained-release microspheres in vivo and the accumulation of rifapentine in other tissues following paravertebral implantation...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28210462/accuracy-of-a-new-rapid-antigen-detection-test-for-pulmonary-tuberculosis
#2
Rasoul Aliannejad, Ahmadreza Bahrmand, Hamidreza Abtahi, Mahnaz Seifi, Enayat Safavi, Farid Abdolrahimi, Shahriyar Shahriaran
BACKGROUND AND OBJECTIVES: Tuberculosis (TB) is a major problem in the world. Treatment and control of TB needs detection of the Mycobacterium tuberculosis (MT) in the proper samples. While smear doesn't have enough sensitivity, culture and PCR are expensive, time consuming and unavailable in many centers. Recent development of a rapid TB antigen detection test (PrTBK) at Pasteur Institute of Iran could give a simple way for diagnosis of TB in about two hours. In this test the antigen-antibody complex will change color when gold conjugated mouse anti-rabbit antibody detects specific MT cell wall antigen in suspected samples...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28209523/tb-iris-proteomic-analysis-of-in-vitro-pbmc-responses-to-mycobacterium-tuberculosis-and-response-modulation-by-dexamethasone
#3
Liam Bell, Janique M Peyper, Shaun Garnett, Rabecca Tadokera, Robert Wilkinson, Graeme Meintjes, Jonathan M Blackburn
Paradoxical tuberculosis-associated immune reconstitution inflammatory syndrome (TB-IRIS) occurs in 8-54% of South African patients undergoing treatment for tuberculosis/human immunodeficiency virus co-infection. Improved TB-IRIS molecular pathogenesis understanding would enhance risk stratification, diagnosis, prognostication, and treatment. We assessed how TB-IRIS status and dexamethasone influence leukocyte proteomic responses to Mycobacterium tuberculosis (Mtb). Patient blood was obtained three weeks post-anti-retroviral therapy initiation...
February 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28208927/tuberculosis-of-glans-penis-a-rare-presentation
#4
C Gangalakshmi, Sankaramahalingam
Tuberculosis (TB) of penis is a very rare entity, even in developing countries. It may present as primary or secondary to Pulmonary TB (PTB). Penile TB mimics carcinoma penis, granulomatous penile ulcer, genital herpes simplex, granuloma inguinale and HIV infection. We, hereby, present the case of a 57-year-old male patient who presented to us with ulcerative growth over glans penis and was clinically diagnosed as carcinoma penis, however biopsy of the lesion showed evidence of tuberculosis which was supported by chest X-ray...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28204517/incidence-of-tuberculosis-and-associated-mortality-in-a-cohort-of-human-immunodeficiency-virus-infected-children-initiating-antiretroviral-therapy
#5
Nicolas Salvadori, Nicole Ngo-Giang-Huong, Chloé Duclercq, Suparat Kanjanavanit, Chaiwat Ngampiyaskul, Pornchai Techakunakorn, Achara Puangsombat, Julie Figoni, Jean-Yves Mary, Intira J Collins, Tim R Cressey, Sophie Le Cœur, Wasna Sirirungsi, Marc Lallemant, Kenneth McIntosh, Gonzague Jourdain
No abstract text is available yet for this article.
February 15, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28204500/the-patient-costs-of-care-for-those-with-tb-and-hiv-a-cross-sectional-study-from-south-africa
#6
Don Mudzengi, Sedona Sweeney, Piotr Hippner, Tendesayi Kufa, Katherine Fielding, Alison D Grant, Gavin Churchyard, Anna Vassall
No abstract text is available yet for this article.
February 15, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28203772/elevated-pre-art-cd39-cd8-t-cell-frequency-is-associated-with-early-mortality-in-advanced-hiv-tb
#7
Shruthi Ravimohan, Neo Tamuhla, Kebatshabile Nfanyana, Houping Ni, Andrew P Steenhoff, Robert Gross, Drew Weissman, Gregory P Bisson
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/28203178/a-patient-with-supraclavicular-lymphadenopathy-and-anterior-mediastinal-mass-presenting-as-a-rare-case-of-composite-lymphoma-a-case-report-and-literature-review
#8
Alex Raufi, James Jerkins, Yung Lyou, Deepa Jeyakumar
Composite lymphoma (CL) is a rare disease with 2 distinct lymphomas concurrently arising in a single patient with an estimated incidence of 1-4.7% of newly diagnosed lymphomas per year. CL most commonly involves 2 B-cell non-Hodgkin lymphomas (NHL) or a B-cell NHL with a Hodgkin lymphoma. Our case is unique in that it was a bilineage CL with both a T-cell and B-cell NHL, which has only been reported in a few case reports. A 49-year-old woman presented with several months of progressive cough, weight loss, dyspnea, and supraclavicular lymphadenopathy...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28202799/clonal-complexity-in-mycobacterium-tuberculosis-can-hamper-diagnostic-procedures
#9
Laura Pérez-Lago, Marta Herranz, Yurena Navarro, María Jesús Ruiz Serrano, Pilar Miralles, Emilio Bouza, Darío García-de-Viedma
Clonal complexity is increasingly accepted in Mycobacterium tuberculosis infection, including mixed infections by ≥2 strains, which usually occur in settings with a high burden of tuberculosis and/or a high risk of overexposure to infected patients. Mixed infections can hamper diagnostic procedures: obtaining an accurate antibiogram is difficult when the susceptibility patterns of the strains differ. Here, we show how mixed infections can also prove challenging for other diagnostic procedures, even outside settings where mixed infections are traditionally expected...
February 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28202091/isolation-unit-for-multidrug-resistant-tuberculosis-patients-in-a-low-endemic-country-a-step-towards-the-world-health-organization-end-tb-strategy
#10
M C Payen, J P VAN Vooren, O Vandenberg, N Clumeck, S DE Wit
Tuberculosis (TB) remains a threat to public health and is the second cause of death due to a single infectious agent after HIV/AIDS. The worldwide distribution of TB is heterogeneous. The incidence is decreasing in most high-income regions, but the situation remains worrying in many parts of the world. The emergence of Mycobacterium tuberculosis strains resistant to key agents used in treatment (rifampin and isoniazid) contributes to TB transmission around the world. To achieve TB elimination, both high and low endemic countries must upscale their efforts to decrease disease transmission and improve cure rates...
February 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28198210/a-minority-of-patients-newly-diagnosed-with-aids-are-started-on-antiretroviral-therapy-at-the-time-of-diagnosis-in-a-large-public-hospital-in-the-southeastern-united-states
#11
Neela D Goswami, Jonathan Colasanti, Jonathan J Khoubian, Yijian Huang, Wendy S Armstrong, Carlos Del Rio
Prompt antiretroviral therapy (ART) initiation after AIDS diagnosis, in the absence of certain opportunistic infections such as tuberculosis and cryptococcal meningitis, delays disease progression and death, but system barriers to inpatient ART initiation at large hospitals in the era of modern ART have been less studied. We reviewed hospitalizations for persons newly diagnosed with AIDS at Grady Memorial Hospital in Atlanta, Georgia in 2011 and 2012. Individual- and system-level variables were collected. Logistic regression models were used to estimate the odds ratios (ORs) for ART initiation prior to discharge...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28193650/interaction-of-rifampicin-and-darunavir-ritonavir-or-darunavir-cobicistat-in-vitro
#12
Owain Roberts, Saye Khoo, Andrew Owen, Marco Siccardi
Treatment of HIV patients co-infected with tuberculosis (TB) is challenging due to drug-drug interactions (DDIs) between antiretrovirals (ARVs) and anti-TB drugs. The aim of this study was to quantify the effects of cobicistat (COBI), or ritonavir (RTV), in modulating DDIs between darunavir (DRV) and rifampicin (RIF) in a human hepatocyte-based in vitro model. Human primary hepatocyte cultures were incubated with RIF alone, or in combination with either COBI or RTV for three days, followed by co-incubation with DRV for one hour...
February 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28193202/association-of-high-serum-vitamin-d-concentrations-with-active-pulmonary-tb-in-an-hiv-co-endemic-setting-harare-zimbabwe
#13
Cuthbert Musarurwa, Lynn Sodai Zijenah, Doreen Zvipo Duri, Kudzie Mateveke-Dangaiso, Kudakwashe Mhandire, Maria Mary Chipiti, Marshall Wesley Munjoma, Witmore Bayayi Mujaji
BACKGROUND: There is paucity data on the association of vitamin D deficiency (VDD) and active tuberculosis (TB) in southern Africa where the human immunodeficiency virus (HIV) is co-endemic. We examined the association of serum vitamin D concentrations with active pulmonary tuberculosis (PTB) in HIV-infected (n = 284) and uninfected (n = 267) Black Zimbabweans, in Harare, Zimbabwe. METHODS: We conducted a cross-sectional study of 551 participants comprising 145 HIV(+)/PTB (+), 139 HIV(+)/PTB(-), 134 HIV(-)/PTB(+) and 133 HIV(-)/PTB(-)...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28193183/factors-associated-with-the-length-of-delay-with-tuberculosis-diagnosis-and-treatment-among-adult-tuberculosis-patients-attending-at-public-health-facilities-in-gondar-town-northwest-ethiopia
#14
Selamsew Bogale, Ermias Diro, Atsede Mazengia Shiferaw, Melaku Kindie Yenit
BACKGROUND: Early diagnosis and prompt treatment is essential for an effective tuberculosis (TB) control program. However, significant proportion of cases remains undiagnosed and untreated. Delay in diagnosis and treatment increases transmission. Hence, the study assessed the length of delay and associated factors with tuberculosis diagnosis and treatment among adults attending public health facilities in Gondar town, Northwest Ethiopia. METHOD: An institution based cross-sectional study was conducted from February to May, 2016...
February 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28192579/infectious-diseases-and-immunizations-in-international-adoption
#15
Emily Obringer, Linda Walsh
Children who are adopted internationally have an increased risk of infectious diseases due to endemic conditions and variable access to preventive health care, such as vaccines, in their country of origin. Pediatricians and other providers who care for children should be familiar with the recommended screening for newly arrived international adoptees. Testing for gastrointestinal pathogens, tuberculosis, hepatitis, syphilis, and HIV should be routinely performed. Other endemic diseases and common skin infections may need to be assessed...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28188493/serious-fungal-infections-in-chile
#16
E Alvarez Duarte, D W Denning
The incidence and prevalence of fungal infections in Chile are unknown. Here, we have estimated the burden of serious fungal diseases from data obtained from clinical reports, WHO reports, Chilean census, OECD reports and comprehensive literature search available on PubMed and SciELO, among other scientific resources. Due the lack of official data about fungal diseases, frequencies were calculated based on the specific populations at risk. Recurrent vulvovaginal candidiasis (>4 episodes/year) is estimated to occur in 3108/100,000...
February 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28188492/serious-fungal-infections-in-portugal
#17
R Sabino, C Verissímo, J Brandão, C Martins, D Alves, C Pais, D W Denning
There is a lack of knowledge on the epidemiology of fungal infections worldwide because there are no reporting obligations. The aim of this study was to estimate the burden of fungal disease in Portugal as part of a global fungal burden project. Most published epidemiology papers reporting fungal infection rates from Portugal were identified. Where no data existed, specific populations at risk and fungal infection frequencies in those populations were used in order to estimate national incidence or prevalence, depending on the condition...
February 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28188491/serious-fungal-infections-in-peru
#18
B Bustamante, D W Denning, P E Campos
Epidemiological data about mycotic diseases are limited in Peru and estimation of the fungal burden has not been previously attempted. Data were obtained from the Peruvian National Institute of Statistics and Informatics, UNAIDS and from the Ministry of Health's publications. We also searched the bibliography for Peruvian data on mycotic diseases, asthma, COPD, cancer and transplants. Incidence or prevalence for each fungal disease were estimated in specific populations at risk. The Peruvian population for 2015 was 31,151,543...
February 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28187753/survival-of-people-living-with-hiv-who-defaulted-from-tuberculosis-treatment-in-a-cohort-recife-brazil
#19
R Cunha, M Maruza, U R Montarroyos, I Coimbra, D de B Miranda-Filho, M de F Albuquerque, H R Lacerda, Raa Ximenes
BACKGROUND: Tuberculosis is a serious public health problem worldwide. It is the leading cause of death amongst people living with HIV, and default from tuberculosis (TB) treatment in people living with HIV increases the probability of death. The aim of this study was to estimate the survival probability of people living with HIV who default treatment for TB compared to those who complete the treatment. METHODS: This was a longitudinal cohort study of people living with HIV, from June 2007 to December 2013 with two components: a retrospective (for those who started tuberculosis treatment before 2013 for whom failure (death) or censoring occurred before 2013), and prospective (those who started tuberculosis treatment at any time between 2007 and June 2013 and for whom death or censoring occurred after the beginning of 2013), at two referral hospitals for people living with HIV (Correia Picanço Hospital - HCP and at Hospital Universitário Oswaldo Cruz - HUOC), in Recife/PE...
February 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28185620/pulmonary-tuberculosis
#20
Sarah M Lyon, Milton D Rossman
This review on pulmonary tuberculosis includes an introduction that describes how the lung is the portal of entry for the tuberculosis bacilli to enter the body and then spread to the rest of the body. The symptoms and signs of both primary and reactivation tuberculosis are described. Routine laboratory tests are rarely helpful for making the diagnosis of tuberculosis. The differences between the chest X ray in primary and reactivation tuberculosis is also described. The chest computed tomography appearance in primary and reactivation tuberculosis is also described...
January 2017: Microbiology Spectrum
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