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Association of HIV infection with extrapulmonary tuberculosis: a systematic review.

ABSTRACT: HIV/AIDS is a known risk factor for the development of pulmonary tuberculosis (PTB). However, the association is less clear between HIV and extrapulmonary tuberculosis (EPTB). We conducted a systematic review to determine the association between HIV and EPTB.We searched the electronic databases Medline, Embase, and relevant conference literature using defined search terms for EPTB and HIV. Only publications in English and only studies reporting adjusted estimates were included, while our search criteria did not include restriction by age or geographic location of study participants. Qualitative and quantitative analyses (including I 2 test for heterogeneity) were performed.Sixteen studies (15 cross-sectional and 1 case-control) conducted from 1984 to 2016 were included in the final analyses after screening 5163 articles and conference abstracts. Our qualitative analysis showed heterogeneity in study design and study population characteristics along with a medium/high risk of bias in the majority of studies. While most of the individual studies showed increased odds of EPTB compared with PTB among HIV-infected individuals, we did not provide an overall pooled estimate, as the I 2 value was high at 93% for the cross-sectional studies.While an association between HIV and EPTB is observed in most individual studies, the high heterogeneity and risk of bias in these studies highlight the need for further well-designed prospective cohort studies to assess the true risk of EPTB in the HIV-infected patient population.

SUBMITTER: Shivakoti R

PROVIDER: S-EPMC5303538 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Association of HIV infection with extrapulmonary tuberculosis: a systematic review.

Shivakoti Rupak R Sharma Davina D Mamoon Gabeena G Pham Kiemanh K

Infection 20161109 1

<h4>Purpose</h4>HIV/AIDS is a known risk factor for the development of pulmonary tuberculosis (PTB). However, the association is less clear between HIV and extrapulmonary tuberculosis (EPTB). We conducted a systematic review to determine the association between HIV and EPTB.<h4>Methods</h4>We searched the electronic databases Medline, Embase, and relevant conference literature using defined search terms for EPTB and HIV. Only publications in English and only studies reporting adjusted estimates ...[more]

PMID: 27830524

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Project description:BackgroundMultidrug-resistant tuberculosis (MDR-TB) in HIV infected individuals is a serious threat to global efforts to combat tuberculosis. Inconsistent findings on the association between HIV infection and MDR-TB were present in many studies. We aimed to review existing data on the relationship between HIV infection and MDR-TB systematically to assess the contribution of HIV on MDR-TB worldwide. We also investigated the patterns of MDR-TB by age, country-wise income, study designs, and global regions.MethodsWe utilized PubMed, Google Scholar, and ScienceDirect databases to select eligible studies for meta-analysis that were published between January 12,010, and July 30, 2020. The random-effects model was used to obtain the pooled odds ratio of the crude association between HIV and MDR-TB with a 95% confidence interval. We investigated the potential publication-bias by checking funnel plot asymmetry and using the Egger's test. Moreover, we assessed the heterogeneity using the I2 statistic. Sensitivity analysis was performed based on sample size and adjustment factors. The protocol was registered with PROSPERO-CRD42019132752.ResultsWe identified 1603 studies through a database search, and after subsequent eliminations we selected 54 studies including 430,534 TB patients. The pooled odds of MDR-TB was 1.42 times higher in HIV-positive patients than HIV-negative patients (OR=1.42,CI=1.17-1.71, I2=75.8%). Subgroup analysis revealed that the estimated pooled odds for South-East Asian countries was 1.86, which is the highest in WHO regions (OR=1.86,CI=1.30-2.67, I2=0.00%), followed by Europe and Africa. The effect estimate was found to be higher for primary MDR-TB (OR=2.76,CI=1.70-4.46, I2=0.00%). There was also a trend towards increased odds of MDR-TB for HIV patients older than 40 years (OR=1.56,CI=1.17-2.06). The association was found to be significant in high-burden TB countries (OR=1.75, CI=1.39-2.19) and in high-income countries (OR=1.55, CI=1.06-2.27).ConclusionSuch findings indicate that HIV infection raises the risk of MDR-TB, and after contrasting it with the results of the earlier pooled study, it appeared to be an upward risk trend. Moreover, we found that the risk is the highest in the South-East Asian region. A balanced allocation of resources is needed to halt both primary and secondary MDR-TB, particularly in HIV infected people with 40 years of age and older.

Project description:Background:Tuberculosis is the second leading cause of death from an infectious disease worldwide, next to HIV. Hence, initiating and determining the national tuberculosis treatment program and outcome is crucial. However, the childhood tuberculosis treatment outcome in Ethiopia was not investigated. Objective:This study determined the pooled estimate of childhood tuberculosis treatment outcome and its association with HIV co-infection. Methods:PubMed, Google Scholar, Web of Science, reference lists of included studies, and Ethiopian institutional research repositories were used to retrieve all available studies. Searching was limited to the studies that had been conducted in Ethiopia and published in the English language. In this study, observational studies, including cohort, cross-sectional, and case-control studies, were included. The estimate of childhood tuberculosis treatment outcome was determined using a weighted inverse variance random-effects model. The overall variation between studies was checked by the heterogeneity test (I 2). The Joanna Briggs Institute (JBI) quality appraisal criteria were used for quality assessment of the studies. The summary estimates were presented with forest plots and tables. Publication bias was also checked with the funnel plot and Egger's regression test. The outcome measures were successful and unsuccessful treatment outcomes. Successful treatment outcomes are defined as patients who are cured and treatment completed, whereas, an unsuccessful treatment outcome means those patients with defaulter, failure, and death treatment outcomes. Result:To estimate the overall pooled estimate of successful treatment outcome, 6 studies with 5389 participants were considered. Consequently, the overall pooled estimate of successful treatment outcome was 79.62% (95% CI 73.22, 86.02) of which 72.44% was treatment completed. On the other hand, unsuccessful treatment outcomes, including treatment failure, defaulter, and death, were 0.15%, 5.36%, and 3.54%, respectively. Moreover, this study found that HIV co-infection was significantly associated with childhood tuberculosis treatment outcomes. Poor treatment outcome was higher among children with HIV co-infection with an odds ratio of 3.15 (95% CI 1.67, 5.94) compared to that of HIV-negative children. Conclusion:The summary estimate of successful childhood tuberculosis treatment outcome was low compared to the threshold suggested by the World Health Organization. HIV co-infection is significantly associated with poor treatment outcome of childhood tuberculosis. Therefore, special attention is better to be given to children infected with HIV. Moreover, adherence to anti-TB has to be strengthened. Trial registration:The protocol has been registered in PROSPERO with a registration number of CRD42018110570.

Project description:BackgroundPneumocystis jirovecii infection is the most common opportunistic infection that causes pneumonia in human immunodeficiency virus (HIV)-infected patients; however, extrapulmonary P. jirovecii infection is extremely rare after the use of antiretroviral therapy. Here, we present the second reported case of paraspinal mass caused by P. jirovecii infection in an advanced HIV-infected patient.Case presentationA 45-year-old woman presented with dyspnea on exertion, and significant weight loss within the preceding 4 months. Initial complete blood count (CBC) findings revealed pancytopenia with a hemoglobin (Hb) level of 8.9 g/dL, a white blood cell (WBC) count of 2180 cells/mm3 with 68% neutrophils, and a platelet count of 106,000 cells/mm3. Anti-HIV was positive with an absolute cluster of differentiation 4 (CD4) count of 16 cells/ mm3. A computed tomography scan of the chest revealed an enhancing soft tissue mass-like lesion at the right paravertebral region (T5-T10 level) and a thick-walled cavity lesion at the left lower lung. A CT-guided biopsy of the paravertebral mass was performed and histopathology revealed granulomatous inflammation consisting of dense aggregates of epithelioid cells and macrophages, and scattered foci of pink foamy to granular materials amidst the granulomatous inflammation. Gomori methenamine silver (GMS) staining revealed thin cystic-like structures (ascus) that were observed to be morphologically consistent with P. jirovecii. Molecular identification and DNA sequencing from the paraspinal mass was 100% identical to P. Jirovecii. The patient was successfully treated with oral trimethoprim-sulfamethoxazole for 3 weeks and antiretroviral therapy (ART) with tenofovir (TDF), lamivudine (3TC), and dolutegravir (DTG). A follow-up CT scan of the chest at 2 months after treatment showed a decrease in sizes of both the paravertebral mass and the cavitary lung lesion.ConclusionsExtrapulmonary pneumocystosis (EPCP) has become an extremely rare condition in HIV-infected patients after the widespread use of ART. EPCP should be considered in ART-naive HIV-infected patients suspected of having or diagnosed with Pneumocystis jirovecii pneumonia who present with atypical symptoms and/or signs. Histopathologic examination with GMS staining of affected tissue is necessary for the diagnosis of EPCP.

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Association of HIV infection with extrapulmonary tuberculosis: a systematic review.

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Association of HIV infection with extrapulmonary tuberculosis: a systematic review.

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