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Tuberculosis/HIV Coinfection

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https://www.readbyqxmd.com/read/28403027/candidates-for-inclusion-in-a-universal-antiretroviral-regimen-tenofovir-alafenamide
#1
Dzintars Gotham, Andrew Hill, Anton L Pozniak
PURPOSE OF REVIEW: Tenofovir disoproxil fumarate (TDF) is a standard first-line therapy for HIV. Recently, tenofovir alafenamide (TAF), a different prodrug for the same active moiety, has been approved. In this review, we have conducted a meta-analysis comparing efficacy and safety data for TDF and TAF, to inform a discussion of which drug would be best for a proposed 'universal antiretroviral (ARV) regimen'. RECENT FINDINGS: We identified 10 randomized controlled trials comparing TDF with TAF (6969 patients, 8043 patient-years of follow-up)...
April 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28392698/assessment-of-isoniazid-preventive-therapy-in-the-reduction-of-tuberculosis-among-art-patients-in-arba-minch-hospital-ethiopia
#2
Ashenafi Abossie, Tsegaye Yohanes
BACKGROUND: Tuberculosis (TB) is the most frequent life-threatening opportunistic disease among people living with HIV and remains a leading cause of mortality, even among persons receiving antiretroviral therapy (ART). Isoniazid preventive therapy (IPT) and cotrimoxazole prophylaxis have been recommended for the benefit of HIV/AIDS-infected individuals to prevent opportunistic infections. The aim of this study was to assess IPT prophylaxis in the reduction of TB among ART patients. METHODS: The study was a hospital-based retrospective study...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28383411/patient-characteristics-and-perceived-health-status-of-individuals-with-hiv-and-tuberculosis-coinfection-in-guangxi-china
#3
Yujia Zhu, Jizhou Wu, Xue Feng, Huanhuan Chen, Huaxiang Lu, Li Chen, Liuhong Luo, Chao Rui
To explore demographics, clinical and medication profiles, patients' social support, and perceived health status in HIV/TB coinfected patients in Guangxi, China.We performed a cross-sectional study in the HIV clinic of the Guigang City People's Hospital (N = 150). Health professionals conducted face-to-face interviews and collected data from patients' electronic medical records regarding patients' demographic, clinical, and medication information, as well as their social support and perceived health status...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28352474/factors-associated-with-mortality-among-patients-on-tb-treatment-in-the-southern-region-of-zimbabwe-2013
#4
Kudakwashe C Takarinda, Charles Sandy, Nyasha Masuka, Patrick Hazangwe, Regis C Choto, Tsitsi Mutasa-Apollo, Brilliant Nkomo, Edwin Sibanda, Owen Mugurungi, Anthony D Harries, Nicholas Siziba
Background. In 2013, the tuberculosis (TB) mortality rate was highest in southern Zimbabwe at 16%. We therefore sought to determine factors associated with mortality among registered TB patients in this region. Methodology. This was a retrospective record review of registered patients receiving anti-TB treatment in 2013. Results. Of 1,971 registered TB patients, 1,653 (84%) were new cases compared with 314 (16%) retreatment cases. There were 1,538 (78%) TB/human immunodeficiency virus (HIV) coinfected patients, of whom 1,399 (91%) were on antiretroviral therapy (ART) with median pre-ART CD4 count of 133 cells/uL (IQR, 46-282)...
2017: Tuberculosis Research and Treatment
https://www.readbyqxmd.com/read/28331350/risk-factors-for-multidrug-resistant-tuberculosis-among-tuberculosis-patients-a-case-control-study
#5
Abdulhalik Workicho, Wondwosen Kassahun, Fessahaye Alemseged
BACKGROUND: Multidrug-resistant tuberculosis (MDR-TB) did not receive major attention until recently in sub-Saharan Africa where the tuberculosis incidence and risk factors are highest. Factors leading to development of drug resistance need to be understood to develop appropriate control strategies for national programs. The objective of this study was to identify the risk factors for MDR-TB among tuberculosis patients. METHODS: A case-control study was conducted to assess sociodemographic, behavioral and clinical risk factors using a structured questionnaire and clinical record reviewing...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28323835/molecular-epidemiology-of-cryptococcal-genotype-vnic-st5-in-siriraj-hospital-thailand
#6
Chanin Hatthakaroon, Sujiraphong Pharkjaksu, Piriyaporn Chongtrakool, Kamol Suwannakarn, Pattarachai Kiratisin, Popchai Ngamskulrungroj
Despite the strong association between Cryptococcus neoformans infection and the Human immunodeficiency virus (HIV) status of patients globally, most cryptococcosis cases in Far East Asia occur in non-HIV individuals. Molecular epidemiological studies, using multilocus sequence typing (MLST), have shown that more than 95% of cryptococcal strains belong to a specific subtype of VNI. However, this association has never been specifically examined in other parts of Asia. Therefore, in this study, we investigated the VNIc/ST5 genotype distribution among cryptococcosis patients in Thailand...
2017: PloS One
https://www.readbyqxmd.com/read/28284256/novel-interferon-gamma-assays-for-diagnosing-tuberculosis-in-young-children-in-india
#7
N Shaikh, A Gupte, S Dharmshale, S Pokkali, M Thakar, V J Upadhye, A A Ordonez, A Kinikar, N Gupte, V Mave, A Kagal, A Gupta, A Lalvani, R Paranjpe, R Bharadwaj, S K Jain
SETTING: The tuberculin skin test (TST) and interferon-gamma release assays (IGRAs) are used as supportive evidence to diagnose active tuberculosis (TB). Novel IGRAs could improve diagnosis, but data are lacking in young children. DESIGN: Children (age 5 years) with suspected TB were prospectively screened at a tertiary hospital in Pune, India; the children underwent TST, and standard (early secretory antigenic target 6 and culture filtrate protein 10) and enhanced (five additional novel antigens) enzyme-linked immunospot (ELISpot) assays...
April 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28281441/miliary-tuberculosis
#8
Surendra K Sharma, Alladi Mohan
Miliary tuberculosis (TB) results from a massive lymphohematogenous dissemination of Mycobacterium tuberculosis bacilli and is characterized by tiny tubercles evident on gross pathology resembling millet seeds in size and appearance. The global HIV/AIDS pandemic and widespread use of immunosuppressive drugs and biologicals have altered the epidemiology of miliary TB. Considered to be predominantly a disease of infants and children in the pre-antibiotic era, miliary TB is increasingly being encountered in adults as well...
March 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28256380/the-cursed-duet-today-tuberculosis-and-hiv-coinfection
#9
REVIEW
Simon Tiberi, Anna Cristina C Carvalho, Giorgia Sulis, Devan Vaghela, Adrian Rendon, Fernanda C de Q Mello, Ananna Rahman, Nashaba Matin, Ali Zumla, Emanuele Pontali
The tuberculosis (TB) and HIV syndemic continues to rage and are a major public health concern worldwide. This deadly association raises complexity and represent a significant barrier towards TB elimination. TB continues to be the leading cause of death amongst HIV-infected people. This paper reports the challenges that lay ahead and outlines some of the current and future strategies that may be able to address this co-epidemic efficiently. Improved diagnostics, cheaper and more effective drugs, shorter treatment regimens for both drug-sensitive and drug-resistant TB are discussed...
March 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28239319/prevalence-of-hepatitis-b-hepatitis-c-and-human-immunodeficiency-viral-infections-in-patients-with-inflammatory-bowel-disease-in-north-india
#10
Parnita Harsh, Vipin Gupta, Saurabh Kedia, Sawan Bopanna, Sucharita Pilli, Surendernath, Govind Kumar Makharia, Vineet Ahuja
BACKGROUND/AIMS: Patients with inflammatory bowel disease (IBD) often require immunosuppressive therapy and blood transfusions and therefore are at a high risk of contracting infections due to hepatitis B (HBV) and hepatitis C (HCV) and human immunodeficiency virus (HIV). In the present study, we assessed the prevalence of these infections in patients with IBD. METHODS: This retrospective study included 908 consecutive patients with IBD (ulcerative colitis [UC], n=581; Crohn's disease [CD], n=327) who were receiving care at a tertiary care center...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28202799/clonal-complexity-in-mycobacterium-tuberculosis-can-hamper-diagnostic-procedures
#11
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/28185618/tuberculosis-a-world-health-organization-perspective
#12
Giovanni Sotgiu, Giorgia Sulis, Alberto Matteelli
Tuberculosis (TB) is an important cause of morbidity and mortality worldwide. The World Health Organization (WHO) has implemented and scaled-up three important global public health strategies (i.e., DOTS, Stop TB, and End TB) to improve the international scenario. Their epidemiological impact was relevant, as they decreased the number of potential new cases of disease and death. However, the emergence and spread of TB/HIV coinfection and multidrug-resistant TB have hindered the progress towards the elimination of TB by 2050...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28155817/impact-of-the-genexpert-mtb-rif-technology-on-tuberculosis-control
#13
Wendy Susan Stevens, Lesley Scott, Lara Noble, Natasha Gous, Keertan Dheda
Molecular technology revolutionized the diagnosis of tuberculosis (TB) with a paradigm shift to faster, more sensitive, clinically relevant patient care. The most recent molecular leader is the GeneXpert MTB/RIF assay (Xpert) (Cepheid, Sunnyvale, CA), which was endorsed by the World Health Organization with unprecedented speed in December 2010 as the initial diagnostic for detection of HIV-associated TB and for where high rates of drug resistance are suspected. South Africa elected to take an aggressive smear replacement approach to facilitate earlier diagnosis and treatment through the decision to implement the Xpert assay nationally in March 2011, against the backdrop of approximately 6...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28123239/antitubercular-therapy-induced-liver-function-tests-abnormalities-in-human-immunodeficiency-virus-infected-individuals
#14
Pankaj Puri, Navjyot Kaur, Sunny Pathania, Sandeep Kumar, P K Sharma, V K Sashindran
BACKGROUND: Both antitubercular therapy (ATT) and antiretroviral therapy (ART) can cause drug induced liver injury (DILI) in tuberculosis (TB) and human immunodeficiency virus (HIV) coinfection. The aim of this research was to study ATT-induced liver function test (LFT) abnormalities in HIV-infected patients. METHODS: HIV-infected patients diagnosed with TB were evaluated with baseline LFT and CD4 counts. ATT regimen was modified if baseline LFT was significantly abnormal...
January 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28104935/neurotuberculosis-immune-reconstitution-inflammatory-syndrome-in-the-setting-of-hiv-infection-a-case-report-and-review-of-literature
#15
Deepasree Jaganmohan, Sunitha V Chakkalakkoombil, Anjana A Beena, Nagarajan Krishnan
Immune reconstitution inflammatory syndrome (IRIS) is an exaggerated immune response which can occur with various coinfections in human immunodeficiency virus (HIV) infected patients, of which the most commonly implicated in central nervous system (CNS)-IRIS are progressive multifocal leukoencephalopathy (PML), cryptococcosis, and tuberculosis (TB). TB-IRIS is a known complication of pulmonary TB or TB lymphadenitis coinfection in HIV infected patients who are on antituberculosis treatment (ATT) after the initiation of antiretroviral therapy (ART)...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28081036/one-year-mortality-of-hiv-positive-patients-treated-for-rifampicin-and-isoniazid-susceptible-tuberculosis-in-eastern-europe-western-europe-and-latin-america
#16
(no author information available yet)
OBJECTIVES: The high mortality among HIV/tuberculosis (TB) coinfected patients in Eastern Europe is partly explained by the high prevalence of drug-resistant TB. It remains unclear whether outcomes of HIV/TB patients with rifampicin/isoniazid-susceptible TB in Eastern Europe differ from those in Western Europe or Latin America. METHODS: One-year mortality of HIV-positive patients with rifampicin/isoniazid-susceptible TB in Eastern Europe, Western Europe, and Latin America was analysed and compared in a prospective observational cohort study...
January 28, 2017: AIDS
https://www.readbyqxmd.com/read/28043602/screening-new-tuberculosis-patients-in-mali-for-rifampicin-resistance-at-2months
#17
Bassirou Diarra, Aissata B Cissé, Ousmane Kodio, Moumine Sanogo, Bocar Baya, Antieme C G Togo, Amadou Somboro, Mohamed Tolofoudié, Boureima Degoga, Marie Laure Keita, Fatimata Diallo, Natacha Nguiakam, Gagni Coulibaly, Sidy Bane, Yeya Dit Sadio Sarro, Seydou Doumbia, Robert Leo Murphy, Souleymane Diallo, Bouke C Dejong
OBJECTIVE/BACKGROUND: The recent call for universal drug susceptibility testing (DST) for all tuberculosis (TB) patients will be difficult to meet in settings where Xpert rollout is limited, such as low prevalence of HIV and Multi-drug Resistant Tuberculosis (MDR) settings. As recommended by World Health Organization (WHO) guidelines, the success of TB treatment is measured by Ziehl-Neelsen (ZN) microscopy or auramine-rhodamine fluorescent microscopy (FM) on sputum, in which conversion to negative smear at 2months (M) is an important predictor of treatment success, defined as a negative smear at 5M...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043600/benefits-and-challenges-of-molecular-diagnostics-for-childhood-tuberculosis
#18
Cristina Gutierrez
Expanding tuberculosis (TB)-diagnostic services, including access to rapid tests, is a World Health Organization (WHO) strategy to accelerate progress toward ending TB. Faster and more sensitive molecular tests capable of diagnosing TB and drug-resistant TB have the technical capacity to address limitations associated with smears and cultures by increasing accuracy and shortening turnaround times as compared with those of these conventional laboratory methods. Nucleic acid amplification assays used to detect and analyze Mycobacterium tuberculosis (MTB)-complex nucleic acids can be used directly on specimens from patients suspected of having TB...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043543/investigation-of-urine-lipoarabinomannan-in-human-immunodeficiency-virus-patients-with-or-without-coinfection-with-tuberculosis-in-iran
#19
Payam Tabarsi, Majid Marjani, Afshin Moniri, Parissa Farnia, Mehdi Kazempour Dizaji, John Garssen, Ian M Adcock, Esmaeil Mortaz
OBJECTIVE/BACKGROUND: Tuberculosis (TB) remains the leading cause of AIDS-related deaths among adults in countries with resource limitations. The emergence of the Xpert MTB/RIF rapid molecular assay and its subsequent World Health Organization endorsement in 2010 transformed the TB-diagnostic landscape. Xpert provided diagnostic accuracy that was far superior to that of the sputum-smear microscopy test previously used. The detection of mycobacterial lipoarabinomannan (LAM) antigen in urine has emerged as a potential point-of-care test for TB...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043526/hiv-and-tuberculosis-trends-and-survival-of-coinfection-in-a-referral-center-in-tehran-a-12-year-study
#20
Parvaneh Baghaei, Payam Tabarsi, Syna Jabehdari, Majid Marjani, Afshin Moniri, Parissa Farnia, Ali Akbar Velayati
OBJECTIVE/BACKGROUND: The risk of mortality and morbidity among tuberculosis (TB) and human immunodeficiency virus (HIV) coinfected patients is significantly higher than that of patients infected with TB alone. The aim of this study was to evaluate the survival of TB-HIV patients in a TB-referral center during a 10-year follow-up. METHODS: All TB-HIV patients in our referral center were enrolled in the study from 2003 to 2014, and patients were divided into two groups: HIV-TB patients without a history of TB treatment (new cases of TB) and HIV-TB patients with a history of TB treatment...
December 2016: International Journal of Mycobacteriology
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