503 research outputs found
Cryptococcal Meningitis Diagnostics and Screening in the Era of Point-of-Care Laboratory Testing.
Over the past ten years, standard diagnostics for cryptococcal meningitis in HIV-infected persons have evolved from culture to India ink to detection of cryptococcal antigen (CrAg), with the recent development and distribution of a point-of-care lateral flow assay. This assay is highly sensitive and specific in cerebrospinal fluid (CSF), but is also sensitive in the blood to detect CrAg prior to meningitis symptoms. CrAg screening of HIV-infected persons in the blood prior to development of fulminant meningitis and preemptive treatment for CrAg-positive persons are recommended by the World Health Organization and many national HIV guidelines. Thus, CrAg testing is occurring more widely, especially in resource-limited laboratory settings. CrAg titer predicts meningitis and death and could be used in the future to customize therapy according to burden of infection
Immune reconstitution inflammatory syndrome associated with dermatophytoses in two HIV-1 positive patients in rural Tanzania: a case report
Immune reconstitution inflammatory syndrome associated with dermatophytoses (tinea-IRIS) may cause considerable morbidity. Yet, it has been scarcely reported and is rarely considered in the differential diagnosis of HIV associated cutaneous lesions in Africa. If identified, it responds well to antifungals combined with steroids. We present two cases of suspected tinea-immune reconstitution inflammatory syndrome from a large HIV clinic in rural Tanzania.; A first case was a 33 years-old female newly diagnosed HIV patient with CD4 count of 4 cells/μL (0 %), normal complete blood count, liver and renal function tests was started on co-formulated tenofovir/emtricitabine/efavirenz and prophylactic cotrimoxazole. Two weeks later she presented with exaggerated inflammatory hyperpigmented skin plaques with central desquamation, active borders and scratch lesions on the face, trunk and lower limbs. Tinea-IRIS was suspected and fluconazole (150 mg daily) and prednisolone (1 mg/Kg/day tapered down after 1 week) were given. Her symptoms subsided completely after 8 weeks of treatment, and her next CD4 counts had increased to 134 cells/μL (11 %). The second case was a 35 years-old female newly diagnosed with HIV. She had 1 CD4 cell/μL (0 %), haemoglobin 9.8 g/dl, and normal renal and liver function tests. Esophageal candidiasis and normocytic-normochromic anaemia were diagnosed. She received fluconazole, prophylactic cotrimoxazole and tenofovir/emtricitabine/efavirenz. Seven weeks later she presented with inflammatory skin plaques with elevated margins and central hyperpigmentation on the trunk, face and limbs in the frame of a good general recovery and increased CD4 counts (188 cells/μL, 6 %). Tinea-IRIS was suspected and treated with griseofulvin 500 mg daily and prednisolone 1 mg/Kg tapered down after 1 week, with total resolution of symptoms in 2 weeks.; The two cases had advanced immunosuppression and developed de-novo exaggerated manifestation of inflammatory lesions compatible with tinea corporis and tinea facies in temporal association with antiretroviral treatment initiation and good immunological response. This is compatible with unmasking tinea-IRIS, and reminds African clinicians about the importance of considering this entity in the differential diagnosis of patients with skin lesions developing after antiretroviral treatment initiation
Incidence and predictors of immune reconstitution inflammatory syndrome in a rural area of Mozambique.
There is limited data on the epidemiology of Immune Reconstitution Inflammatory Syndrome (IRIS) in rural sub-Saharan Africa. A prospective observational cohort study was conducted to assess the incidence, clinical characteristics, outcome and predictors of IRIS in rural Mozambique
Zebrafish Stress Synapse
Stress is a behavior characterized by uneasiness, nervousness, and fear that all organisms are faced with every day. Both environmental and chemical factors can trigger stress responses within the body. In this experiment, zebrafish (Danio species) will be stressed with environmental and chemical factors. Their cortisol levels, which is produced when stressed, will be tested by performing cortisol assays. The environmental factors that will be tested with light/dark apparatus that will investigate how environmental conditions stress the zebrafish. A beaker stressor will be used to investigate how the size of the environment effects stress on the zebrafish. Caffeine will be the chemical factor tested because it is addictive. Different concentrations of caffeine will be administered and the effects of these concentrations will use the cortisol assays. An ANOVA test will be done to quantify the data
A Bundle of Services Increased Ascertainment of Tuberculosis among HIV-Infected Individuals Enrolled in a HIV Cohort in Rural Sub-Saharan Africa
OBJECTIVES: To report on trends of tuberculosis ascertainment
among HIV patients in a rural HIV cohort in Tanzania, and
assessing the impact of a bundle of services implemented in
December 2012, consisting of three components:(i)integration of
HIV and tuberculosis services; (ii)GeneXpert for tuberculosis
diagnosis; and (iii)electronic data collection. DESIGN:
Retrospective cohort study of patients enrolled in the Kilombero
Ulanga Antiretroviral Cohort (KIULARCO), Tanzania.). METHODS:
HIV patients without prior history of tuberculosis enrolled in
the KIULARCO cohort between 2005 and 2013 were included.Cox
proportional hazard models were used to estimate rates and
predictors of tuberculosis ascertainment. RESULTS: Of 7114 HIV
positive patients enrolled, 5123(72%) had no history of
tuberculosis. Of these, 66% were female, median age was 38
years, median baseline CD4+ cell count was 243 cells/microl, and
43% had WHO clinical stage 3 or 4. During follow-up, 421
incident tuberculosis cases were notified with an estimated
incidence of 3.6 per 100 person-years(p-y)[95% confidence
interval(CI)3.26-3.97]. The incidence rate varied over time and
increased significantly from 2.96 to 43.98 cases per 100 p-y
after the introduction of the bundle of services in December
2012. Four independent predictors of tuberculosis ascertainment
were identified:poor clinical condition at baseline (Hazard
Ratio (HR) 3.89, 95% CI 2.87-5.28), WHO clinical stage 3 or 4
(HR 2.48, 95% CI 1.88-3.26), being antiretroviralnaive (HR 2.97,
95% CI 2.25-3.94), and registration in 2013(HR 6.07, 95% CI
4.39-8.38). CONCLUSION: The integration of tuberculosis and HIV
services together with comprehensive electronic data collection
and use of GeneXpert increased dramatically the ascertainment of
tuberculosis in this rural African HIV cohort
United States v. Bryant and the Subsequent Use of Uncounseled Tribal Court Convictions in State or Federal Prosecution
Precap: \u3cem\u3eThe City of Missoula v. Mountain Water Co.\u3c/em\u3e
Whether the district court erred in concluding that municipal ownership of Missoula’s water system is a “more necessary public use” than current private ownership under Mountain Water Company
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