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Tuberculosis/HIV Coinfection

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https://www.readbyqxmd.com/read/29447374/spectrum-of-pediatric-tuberculosis-in-a-tertiary-care-setting-in-south-india
#1
Betsy Rebecca, Anila Chacko, Valsan Verghese, Winsley Rose
Background: Pediatric tuberculosis (TB) is often underdiagnosed with poor estimate of its true burden. Availability of Xpert MTB/RIF assay enhances diagnostic capacity of pediatric TB. Methods: A 3-year retrospective review of hospital records was done for all children diagnosed with confirmed and unconfirmed TB. Comparison was made between intrathoracic, single-site extrathoracic and disseminated TB. Results: In total, 274 children had TB with 130 (47...
February 13, 2018: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29432596/high-turnover-of-tissue-macrophages-contributes-to-tuberculosis-reactivation-in-simian-immunodeficiency-virus-infected-rhesus-macaques
#2
Marcelo J Kuroda, Chie Sugimoto, Yanhui Cai, Kristen M Merino, Smriti Mehra, Mariluz Araínga, Chad J Roy, Cecily C Midkiff, Xavier Alvarez, Elizabeth S Didier, Deepak Kaushal
Background: Tuberculosis (TB) and human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS) profoundly affect the immune system and synergistically accelerate disease progression. It is believed that CD4+ T-cell depletion by HIV is the major cause of immunodeficiency and reactivation of latent TB. Previous studies demonstrated that blood monocyte turnover concurrent with tissue macrophage death from virus infection better predicted AIDS onset than CD4+ T-cell depletion in macaques infected with simian immunodeficiency virus (SIV)...
February 8, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29432590/mycobacterium-tuberculosis-and-hiv-coinfection-brings-fire-and-fury-to-macrophages
#3
Nargis Khan, Maziar Divangahi
No abstract text is available yet for this article.
February 8, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29362063/management-of-coinfections-in-patients-with-human-immunodeficiency-virus
#4
REVIEW
Sabra S Custer
In addition to chronic use of antiretrovirals to maintain suppression of human immunodeficiency virus (HIV), many persons living with HIV are coinfected with tuberculosis, hepatitis B, or hepatitis C. These coinfections can be successfully treated or managed alongside HIV infection. Clinicians should follow practice guidelines to appropriately screen patients with HIV for these coinfections and initiate treatment when necessary. The most significant concern when treating any of these coinfections is to avoid drug-drug interactions with the patient's antiretrovirals...
March 2018: Nursing Clinics of North America
https://www.readbyqxmd.com/read/29339504/complement-pathway-gene-activation-and-rising-circulating-immune-complexes-characterize-early-disease-in-hiv-associated-tuberculosis
#5
Hanif Esmail, Rachel P Lai, Maia Lesosky, Katalin A Wilkinson, Christine M Graham, Stuart Horswell, Anna K Coussens, Clifton E Barry, Anne O'Garra, Robert J Wilkinson
The transition between latent and active tuberculosis (TB) occurs before symptom onset. Better understanding of the early events in subclinical disease will facilitate the development of diagnostics and interventions that improve TB control. This is particularly relevant in the context of HIV-1 coinfection where progression of TB is more likely. In a recent study using [18F]-fluoro-2-deoxy-d-glucose positron emission/computed tomography (FDG-PET/CT) on 35 asymptomatic, HIV-1-infected adults, we identified 10 participants with radiographic evidence of subclinical disease, significantly more likely to progress than the 25 participants without...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29313506/prevalence-of-tb-hiv-coinfection-in-antiretroviral-na%C3%A3-ve-patients-at-the-fann-ambulatory-treatment-center-in-dakar
#6
D Ka, N F Ngom Guéye, N Fall, N O Touré-Badiane, N Diop, G Batista, K Ndiaye, C T Ndour, M Seydi, M A Faye
To determine the prevalence of tuberculosis and describe its epidemiological, clinical, paraclinical, and therapeutic characteristics and its outcome in patients with HIV. This retrospective, descriptive, and analytical study examined the records of patients with HIV at our outpatient treatment center and selected those who were antiretroviral-naive and presented tuberculosis between January 2008 and December 2012. Among a total of 757 HIV-positive patients, 76 had tuberculosis, for a prevalence of 10 %. The sex ratio of 1...
November 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29310659/the-impact-of-rural-residence-and-hiv-infection-on-poor-tuberculosis-treatment-outcomes-in-a-large-urban-hospital-a-retrospective-cohort-analysis
#7
Aishatu Lawal Adamu, Muktar H Aliyu, Najiba Aliyu Galadanci, Baba Maiyaki Musa, Umar Muhammad Lawan, Usman Bashir, Ibrahim Abubakar
BACKGROUND: Successful tuberculosis (TB) treatment is essential to effective TB control. TB-HIV coinfection, social determinants and access to services influenced by rural residence can affect treatment outcome. We examined the separate and joint effects of rural residence and HIV infection on poor treatment outcome among patients enrolled in a large TB treatment centre in Kano, Nigeria. METHODS: We retrospectively analysed a cohort of patients with TB enrolled in a large urban TB clinic in northern Nigeria, from January 2010 to December 2014...
January 8, 2018: International Journal for Equity in Health
https://www.readbyqxmd.com/read/29247506/suboptimal-anti-tuberculosis-drug-concentrations-and-outcomes-in-small-and-hiv-coinfected-children-in-india-recommendations-for-dose-modifications
#8
Benjamin Guiastrennec, Geetha Ramachandran, Mats O Karlsson, A K Hemanth Kumar, Perumal Kannabiran Bhavani, N Poorana Gangadevi, Soumya Swaminathan, Amita Gupta, Kelly E Dooley, Radojka M Savic
This work aimed to evaluate the once-daily anti-tuberculosis treatment as recommended by the new Indian pediatric guidelines. Isoniazid, rifampin and pyrazinamide concentration-time profiles and treatment outcome were obtained from 161 Indian children with drug-sensitive tuberculosis undergoing thrice-weekly dosing as per previous Indian pediatric guidelines. The exposure-response relationships were established using a population pharmacokinetic-pharmacodynamic approach. Rifampin exposure was identified as the unique predictor of treatment outcome...
December 16, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29226217/lipid-profile-in-tuberculosis-patients-with-and-without-human-immunodeficiency-virus-infection
#9
Gebremedhin Gebremicael, Yemane Amare, Feyissa Challa, Atsbeha Gebreegziabxier, Girmay Medhin, Mistire Wolde, Desta Kassa
Background: Understanding whether the preceding low lipid profile leads to active tuberculosis (TB) or active TB leads to low lipid profile is crucial. Methods: Lipid profile concentrations were determined from 159 study participants composed of 93 active TB patients [44 HIV coinfected (HIV+TB+) and 49 HIV negative (HIV-TB+)], 41 tuberculin skin test (TST) positive cases [17 HIV coinfected (HIV+TST+) and 24 HIV negative (HIV-TST+)], and 25 healthy controls (HIV-TST-)...
2017: International Journal of Chronic Diseases
https://www.readbyqxmd.com/read/29226216/prevalence-and-associated-factors-of-tuberculosis-in-prisons-settings-of-east-gojjam-zone-northwest-ethiopia
#10
Mucheye Gizachew Beza, Emirie Hunegnaw, Moges Tiruneh
Background: Tuberculosis, mainly in prisoners, is a major public health problem in Ethiopia where there is no medical screening during prison admission. This creates scarcity of TB data in such settings. Objective: To determine prevalence and associated factors of TB in prisons in East Gojjam Zone, Northwest Ethiopia. Methods: A cross-sectional study was conducted from February to May 2016 among 265 prisoners in three prison sites. Sputum was processed using GeneXpert MTB/RIF...
2017: International Journal of Bacteriology
https://www.readbyqxmd.com/read/29187783/the-effect-of-micronutrient-supplementation-on-active-tb-incidence-early-in-hiv-infection-in-botswana
#11
Adriana Campa, Marianna K Baum, Hermann Bussmann, Sabrina Sales Martinez, Mansour Farahani, Erik van Widenfelt, Sikhulile Moyo, Joseph Makhema, Max Essex, Richard Marlink
Background: Coinfection with active tuberculosis (TB) is one of the leading causes of death in people living with HIV (PLWH) in Africa. This investigation explores the role of micronutrient supplementation in preventing active TB in PLWH. Methods: A randomized trial of nutritional supplementation was conducted among antiretroviral- naïve (without previous antiretroviral treatment [ART]) HIV-infected people in Botswana between 2004 and 2009. The study had a factorial design with four arms: the selenium (Se) alone arm, the multivitamins (MVT) alone arm that contained vitamin B complex and vitamins C and E, the combined Se+MVT group and the placebo group...
2017: Nutrition and Dietary Supplements
https://www.readbyqxmd.com/read/29177396/-co-infection-by-mycobacterium-fortuitum-and-mycobacterium-tuberculosis-in-splenic-abscesses-in-a-patient-with-hiv
#12
Leslie Soto-Arquíñigo, Manuel García-Pareja, Eduardo Gotuzzo-Herencia, Pedro Legua-Leiva, Manuel Sánchez-Herrera
Patients with HIV are susceptible to mycobacterium infection. In the case of fast-growing mycobacteria, the group to which Mycobacterium fortuitum (M. fortuitum) belongs, infections have been described in the skin, lungs, lymph nodes and disseminated disease. We present the case of a 43-year-old male patient with pre-diagnosis of HIV in antiretroviral therapy, which comes as a fever, asthenia, weight loss and chronic diarrhea. Abdominal tomography is performed and hepatosplenomegaly is evidenced with nodular lesions in the spleen...
April 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/29165514/-disseminated-histoplasmosis-and-hiv-infection-case-series-in-a-peruvian-hospital
#13
Giancarlo Pérez-Lazo, Julio Maquera-Afaray, Christian R Mejia, Raúl Castillo
BACKGROUND: Histoplasmosis is an endemic fungal infection in Peru and HIV coinfection leads to difficult diagnoses and high associated mortality. AIM: To describe clinical, epidemiological and clinical outcomes in patients with HIV infection with diagnosis of disseminated histoplasmosis (DH) at Guillermo Almenara Irigoyen National Hospital, Lima, Peru. METHODS: Retrospective, descriptive study; information was obtained from the computer registry of patients with HIV infection diagnosed with DH, during the period 1996-2014...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
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
#14
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/29117342/the-south-african-tuberculosis-care-cascade-estimated-losses-and-methodological-challenges
#15
Pren Naidoo, Grant Theron, Molebogeng X Rangaka, Violet N Chihota, Louise Vaughan, Zameer O Brey, Yogan Pillay
Background: While tuberculosis incidence and mortality are declining in South Africa, meeting the goals of the End TB Strategy requires an invigorated programmatic response informed by accurate data. Enumerating the losses at each step in the care cascade enables appropriate targeting of interventions and resources. Methods: We estimated the tuberculosis burden; the number and proportion of individuals with tuberculosis who accessed tests, had tuberculosis diagnosed, initiated treatment, and successfully completed treatment for all tuberculosis cases, for those with drug-susceptible tuberculosis (including human immunodeficiency virus (HIV)-coinfected cases) and rifampicin-resistant tuberculosis...
November 6, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29110871/prevalence-of-rifampicin-resistant-mycobacterium-tuberculosis-among-human-immunodeficiency-virus-seropositive-patients-and-their-treatment-outcomes
#16
C K Vidyaraj, A Chitra, S Smita, M Muthuraj, S Govindarajan, B Usharani, S Anbazhagi
Multidrug resistant (MDR) and extensively drug resistant tuberculosis (TB) are a threat to the TB control programs in developing countries, and the situation is worsened by the human immunodeficiency virus (HIV) pandemic. This study was performed to correlate treatment outcome with the resistance patterns in HIV-seropositive patients coinfected with pulmonary TB. Sputum specimens were collected from 1643 HIV-seropositive patients and subjected to microscopy and liquid culture for TB. The smear- and culture-positive Mycobacterium tuberculosis isolates were subjected to Genotype MTBDRplus assay version 2...
December 2017: Journal of Epidemiology and Global Health
https://www.readbyqxmd.com/read/29108662/hospital-length-of-stay-and-cost-burden-of-hiv-tuberculosis-and-hiv-tuberculosis-coinfection-among-pregnant-women-in-the-united-states
#17
Adeola Falana, Vanessa Akpojiyovwi, Esther Sey, Andika Akpaffiong, Olive Agumbah, Samara Chienye, Jamie Banks, Erin Jones, Kiara K Spooner, Jason L Salemi, Omonike A Olaleye, Sherri D Onyiego, Hamisu M Salihu
BACKGROUND: We sought to determine hospital length of stay (LOS) and cost burden associated with hospital admissions among pregnant women with HIV monoinfection, tuberculosis (TB) monoinfection, or HIV-TB coinfection in the United States. METHODS: Analysis covered the period from 2002-2014 using data from the Nationwide Inpatient Sample. Relevant ICD-9-CM codes were used to determine HIV and TB status. Costs associated with hospitalization were calculated and adjusted to 2010 dollars using the medical care component of the Consumer Price Index...
November 3, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29052773/a-systemic-review-of-tuberculosis-with-hiv-coinfection-in-children
#18
REVIEW
Jaishree Naidoo, Nasreen Mahomed, Halvani Moodley
The epidemiology of tuberculosis is adversely impacted by the human immunodeficiency virus (HIV) coinfection. HIV-infected patients are more prone to opportunistic infections, most commonly tuberculosis, and the risk of death in coinfected patients is higher than in those without HIV. Due to the impaired cellular immunity and reduced immunological response in HIV-infected patients, the classic imaging features of tuberculosis usually seen in patients without HIV may present differently. The aim of this review article is to highlight the imaging features that may assist in the diagnosis of tuberculosis in patients with HIV coinfection...
September 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28991491/nanowire-aptasensors-for-electrochemical-detection-of-cell-secreted-cytokines
#19
Ying Liu, Ali Rahimian, Sergiy Krylyuk, Tam Vu, Bruno Crulhas, Gulnaz Stybayeva, Meruyert Imanbekova, Dong-Sik Shin, Albert Davydov, Alexander Revzin
Cytokines are small proteins secreted by immune cells in response to pathogens/infections; therefore, these proteins can be used in diagnosing infectious diseases. For example, release of a cytokine interferon (IFN)-γ from T-cells is used for blood-based diagnosis of tuberculosis (TB). Our lab has previously developed an atpamer-based electrochemical biosensor for rapid and sensitive detection of IFN-γ. In this study, we explored the use of silicon nanowires (NWs) as a way to create nanostructured electrodes with enhanced sensitivity for IFN-γ...
October 9, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28955338/cellular-architecture-of-spinal-granulomas-and-the-immunological-response-in-tuberculosis-patients-coinfected-with-hiv
#20
Debapriya Bhattacharya, Siva Danaviah, Daniel M Muema, Ngomu Akeem Akilimali, Prashini Moodley, Thumbi Ndung'u, Gobardhan Das
Mycobacterium tuberculosis (M.tb) and HIV are individually responsible for the most deaths worldwide among all infectious agents, and coinfection with M.tb and HIV is a significant public health challenge in the developing world. Although the lung is the primary target organ for tuberculosis (TB), M.tb can also cause extrapulmonary tuberculosis (EPTB) such as in the bones and joints. Treatment of EPTB is much more challenging than treatment of pulmonary TB. The hallmark of the host immune response against TB is the formation of organized structures called granulomas that are infiltrated with immune cells and are rich in cytokines and chemokines...
2017: Frontiers in Immunology
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