31 results on '"Schimana W"'
Search Results
2. Dynamics of nasopharyngeal bacterial colonisation in HIV-exposed young infants in Tanzania
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Kinabo, G. D., van der Ven, A., Msuya, L. J., Shayo, A. M., Schimana, W., Ndaro, A., van Asten, H. A. G. H., Dolmans, W. M. V., Warris, A., and Hermans, P. W. M.
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- 2013
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3. Standards zur Primärprävention bei Flüchtlingen
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Groffik, C, additional, Frey, S, additional, Pavlova, A, additional, and Schimana, W, additional
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- 2017
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4. Frühe Hilfen für Schwangere an der Schwangerschaftsberatungsstelle der Landeshauptstadt München
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Schimana, W, additional, Gerl, S, additional, and Gratzl, M, additional
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- 2017
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5. Dynamics of nasopharyngeal bacterial colonisation in HIV-exposed young infants in Tanzania
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Kinabo, G., Ven, A.J.A.M. van der, Msuya, L.J., Shayo, A.M., Schimana, W., Ndaro, A., Asten, H.A. van, Dolmans, W.M.V., Warris, A., Hermans, P.W.M., Kinabo, G., Ven, A.J.A.M. van der, Msuya, L.J., Shayo, A.M., Schimana, W., Ndaro, A., Asten, H.A. van, Dolmans, W.M.V., Warris, A., and Hermans, P.W.M.
- Abstract
Item does not contain fulltext, OBJECTIVES: To estimate the prevalence of nasopharyngeal bacterial colonisation (NPBC) patterns in young Tanzanian HIV-exposed infants and to analyse the influence of maternal NPBC and of the infant's HIV status on the NPBC pattern. METHODS: Longitudinal cohort study of neonates born to HIV-infected mothers visiting Kilimanjaro Christian Medical Centre, Tanzania, between 2005 and 2009. Demographic and clinical data and nasopharyngeal bacterial cultures were obtained at the age of 6 weeks, 3 and 6 months, and at one time point, a paired mother-infant nasopharyngeal swab was taken. RESULTS: Four hundred and twenty-two swabs were taken from 338 eligible infants. At 6 weeks of age, colonisation rates were 66% for Staphylococcus aureus, 56% for Streptococcus pneumoniae, 50% for Moraxella catarrhalis and 14% for Haemophilus influenzae. Colonisation with S. aureus diminished over time and was more common in HIV-infected infants. S. pneumoniae and H. influenzae colonisation rose over time and was more prevalent in HIV-uninfected children. Co-colonisation of S. pneumoniae with H. influenzae or M. catarrhalis was mostly noticed in HIV-infected infants. S. pneumoniae and M.catarrhalis colonisation of the mother was a risk factor for colonisation in HIV-uninfected infants, while maternal S. aureus colonisation was a risk factor for colonisation in HIV-infected infants. Among the 104 S. pneumoniae isolates, 19F was most prevalent, and 57 (55%) displayed capsular serotypes represented in the 13-valent pneumococcal conjugate vaccine. CONCLUSIONS: NPBC was common in Tanzanian HIV-exposed infants. The significant prevalence of pneumococcal vaccine serotypes colonising this paediatric population justifies the use of the 13-valent pneumococcal vaccine to reduce the burden of pneumococcal invasive disease.
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- 2013
6. Therapeutic drug monitoring of nevirapine in resource-limited settings.
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L'homme, R.F.A., Muro, E.P., Droste, J.A.H., Wolters, L.R., Ewijk-Beneken Kolmer, E.W.J. van, Schimana, W., Burger, D.M., L'homme, R.F.A., Muro, E.P., Droste, J.A.H., Wolters, L.R., Ewijk-Beneken Kolmer, E.W.J. van, Schimana, W., and Burger, D.M.
- Abstract
Contains fulltext : 70637.pdf (publisher's version ) (Open Access), BACKGROUND: We developed a simple and inexpensive thin-layer chromatography (TLC) assay for semiquantitative detection of saliva concentrations of nevirapine in resource-limited settings. The method was validated in an African target population. METHODS: Paired plasma and saliva nevirapine concentrations were assayed by high-performance liquid chromatography (HPLC); saliva concentrations of nevirapine were also assayed by TLC. The rate of false-positive results was the proportion of subtherapeutic nevirapine saliva and plasma concentrations determined by HPLC that were judged to be therapeutic in saliva specimens by TLC. The rate of false-negative results was the proportion of therapeutic nevirapine saliva and plasma concentrations determined by HPLC that were judged to be subtherapeutic in saliva specimens by TLC. The extent of agreement in TLC readings between 5 technicians and 2 batches of TLC sheets was evaluated. RESULTS: Twenty-five (9%) of 286 African adults had a subtherapeutic plasma nevirapine concentration. The median ratio of nevirapine concentrations in saliva to those in plasma was 0.51:1. The rate of false-positive results for TLC was 0% (0 of 23 specimens) when TLC results were compared with HPLC results for saliva specimens and 8% (2 of 25 specimens) when TLC results were compared with HPLC results for plasma specimens. The rate of false-negative results for TLC was 1% (3 of 263 specimens) when TLC results were compared with HPLC results for saliva specimens and 1% (3 of 261 specimens) when TLC results were compared with HPLC results for plasma specimens. The extent of agreement of TLC results was substantial for the 5 technicians (Fleiss's kappa = 0.77) and for the 2 batches of sheets (Cohen's kappa = 0.80). CONCLUSIONS: The TLC assay was found to be sensitive, specific, and robust in the detection of subtherapeutic nevirapine concentrations in saliva specimens obtained from African HIV-infected adults. It is an attractive alternative to HPLC for t
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- 2008
7. Capacity of health-care facilities to deliver HIV treatment and care services, Northern Tanzania, 2004.
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Landman, K.Z., Kinabo, G., Schimana, W., Dolmans, W.M.V., Swai, M.E., Shao, J.F., Crump, J.A., Landman, K.Z., Kinabo, G., Schimana, W., Dolmans, W.M.V., Swai, M.E., Shao, J.F., and Crump, J.A.
- Abstract
Contains fulltext : 49877.pdf (publisher's version ) (Closed access), Few data exist on the current capacity of Tanzanian health-care facilities to deliver antiretroviral therapy (ART). We evaluated this capacity among Northern Zone facilities in 2004 using a questionnaire that addressed human resources, clinical facilities and services, and laboratory capacity. Of 19 facilities surveyed, nine (47%) had staff trained to manage ART and three (16%) prescribed ART. Two (11%) offered CD4 counts, five (26%) offered liver function tests, 16 (84%) offered chest radiography, and 18 (95%) offered acid-fast sputum staining. Of 12 (67%) facilities offering outpatient HIV/AIDS services, 12 (100%) provided co-trimoxazole to outpatients and six (50%) provided isoniazid (INH). All 19 (100%) facilities offered rapid HIV tests and full blood pictures. Overall in 2004, facilities needed strengthening to increase staff training in ART management and to implement INH for treatment of latent tuberculosis. Laboratory facilities for ART monitoring were inadequate, and outpatient ART was limited.
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- 2006
8. Sexual Precocity Associated with an Abdominal Tumor in an African Boy
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Bode, H.H., primary, Schimana, W., additional, Swai, B., additional, and Bode, U., additional
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- 2008
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9. Prevalences ofPneumocystis jiroveci, Mycobacterium tuberculosisandStreptococcus pneumoniaeinfection in children with severe pneumonia, in a tertiary referral hospital in northern Tanzania
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Uriyo, J., primary, Gosling, R. D., additional, Maddox, V., additional, Sam, N. E., additional, Schimana, W., additional, Gillespie, S. H., additional, and McHugh, T. D., additional
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- 2006
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10. HIV-associated morbidity, mortality and diagnostic testing opportunities among inpatients at a referral hospital in northern Tanzania
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Ole-Nguyaine, S., primary, Crump, J. A., additional, Kibiki, G. S., additional, Kiang, K., additional, Taylor, J., additional, Schimana, W., additional, Bartlett, J. A., additional, Shao, J. F., additional, Hamilton, J. D., additional, and Thielman, N. M., additional
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- 2004
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11. Mortality in Hospitalized Psychiatric Patients (First Results of a 10-Year Study)
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Schwalb, H., primary and Schimana, W., additional
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- 1985
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12. Mortalität hospitalisierter psychiatrischer Patienten - Ergebnisse einer 10-Jahres-Studie
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Schwalb, H., primary, Schimana, W., additional, Brüninghaus, H., additional, Eckmann, F., additional, Mascher, J., additional, Serfling, W., additional, and Veh-Schindlmayr, I., additional
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- 1987
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13. Prevalences of Pneumocystis jiroveci, Mycobacterium tuberculosis and Streptococcus pneumoniae infection in children with severe pneumonia, in a tertiary referral hospital in northern Tanzania.
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Uriyo, J., Gosling, R. D., Maddox, V., Sam, N. E., Schimana, W., Gillespie, S. H., and McHugh, T. D.
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RESPIRATORY infections , *MYCOBACTERIUM tuberculosis , *STREPTOCOCCUS pneumoniae , *HIV antibodies , *POLYMERASE chain reaction , *JUVENILE diseases - Abstract
At the Kilimanjaro Christian Medical Centre, a tertiary referral hospital in northern Tanzania, both the number of paediatric cases of lower respiratory-tract infection (LRTI) and the associated mortality increased between 2000 and 2001. Molecular diagnostic tools were used to enhance the identification of the pathogens responsible for this perceived increase. All 72 children aged between 2 and 60 months who were admitted with LRTI over a 3-month period were enrolled in the study. Induced sputum was collected from each child and, if the parents consented, the subjects were also tested for HIV. The sputum samples were each checked for bacteria by culture and, in amplification assays, for the DNA of Pneumocystis jiroveci, Mycobacterium tuberculosis and Streptococcus pneumoniae. Twenty-two (50%) of the 44 children tested for HIV had HIV-1 antibodies. Although only two children, both aged <6 months, were found PCR-positive for P. jiroveci, and only one was found positive for M. tuberculosis, 46 (including one of those found positive for P. jiroveci and the child found positive for M. tuberculosis) were found PCR-positive for S. pneumoniae. It therefore appears that most paediatric cases of LRTI who present at the hospital are attributable to S. pneumoniae, and that infections with this pathogen are entirely responsible for the observed increase in the incidence of LTRI in the local children. The increase seen in LRTI-associated mortality among the children may be the result of pneumococcal antibiotic resistance. [ABSTRACT FROM AUTHOR]
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- 2006
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14. SARS-CoV-2 Saliva Mass Screening in Primary Schools: A 10-Week Sentinel Surveillance Study in Munich, Germany.
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Vogel S, von Both U, Nowak E, Ludwig J, Köhler A, Lee N, Dick E, Rack-Hoch A, Wicklein B, Neusser J, Wagner T, Schubö A, Ustinov M, Schimana W, Busche S, Kolberg L, and Hoch M
- Abstract
Representative, actively collected surveillance data on asymptomatic SARS-CoV-2 infections in primary schoolchildren remain scarce. We evaluated the feasibility of a saliva mass screening concept and assessed infectious activity in primary schools. During a 10-week period from 3 March to 21 May 2021, schoolchildren and staff from 17 primary schools in Munich participated in the sentinel surveillance, cohort study. Participants were tested using the Salivette
® system, testing was supervised by trained school staff, and samples were processed via reverse transcription quantitative polymerase chain reaction (RT-qPCR). We included 4433 participants: 3752 children (median age, 8 [range, 6-13] years; 1926 girls [51%]) and 681 staff members (median age, 41 [range, 14-71] years; 592 women [87%]). In total, 23,905 samples were processed (4640 from staff), with participants representing 8.3% of all primary schoolchildren in Munich. Only eight cases were detected: Five out of 3752 participating children (0.13%) and three out of 681 staff members (0.44%). There were no secondary cases. In conclusion, supervised Salivette® self-sampling was feasible, reliable, and safe and thus constituted an ideal method for SARS-CoV-2 mass screenings in primary schoolchildren. Our findings suggest that infectious activity among asymptomatic primary schoolchildren and staff was low. Primary schools appear to continue to play a minor role in the spread of SARS-CoV-2 despite high community incidence rates.- Published
- 2022
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15. [Care of refugee children and adolescents with chronic diseases and disabilities].
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Spielberger B, Jackel-Neusser K, Schimana W, Fressle R, and Langer T
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Refugee children and adolescents with chronic diseases and disabilities are among the most vulnerable persons as their health and developmental chances are considerably at risk. This article describes the challenges and opportunities in the care of this group of patients from the perspective of different care sectors: initial reception center, public health service, pediatricians in private practice, social pediatric centers and patient organizations. The starting point is a presentation of the rights to optimal healthcare that can be derived from the United Nations (UN) Convention on the Rights of Persons with Disabilities and the UN Convention on the Rights of the Child. It becomes clear that for children and adolescents in the status of asylum seekers there are systematic gaps in the recognition and care of chronic diseases, disabilities and support needs. An expansion of the health examination after arrival, which has so far focused on the detection of communicable diseases, is important and necessary in order to identify individual needs and improve the data situation for this group. A strengthening of the school entry screening by the public health service, especially for older children entering school as lateral entrants, could also significantly improve the nationwide coverage. In contrast to these deficits, which require changes at the political level, there are innovative models of care, especially in local contexts, such as pediatric consultation clinics in initial reception centers, diverse examples of voluntary commitment or the use of social media in patient organizations, which are presented as examples., (© The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature 2022.)
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- 2022
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16. HIV Resistance and Prevention of Mother-to-Child Transmission Regimen in HIV-Infected Infants in Northern Tanzania.
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Dow DE, Schimana W, Nyombi BM, Mmbaga BT, Shayo AM, Bartlett JA, Massambu CG, Kifaro EG, Turner EL, DeMarco T, Cai F, Cunningham CK, and Buchanan AM
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- Blood virology, Female, HIV Infections transmission, HIV-1 isolation & purification, Humans, Infant, Male, Polymerase Chain Reaction, Retrospective Studies, Sequence Analysis, DNA, Tanzania, Anti-HIV Agents pharmacology, Drug Resistance, Viral, HIV Infections prevention & control, HIV Infections virology, HIV-1 drug effects, Infectious Disease Transmission, Vertical prevention & control, Nevirapine pharmacology
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Prevention of mother-to-child transmission (PMTCT) guidelines recommend that all HIV-infected pregnant women receive antiretroviral therapy (Option B) and HIV-infected infants should initiate therapy with a protease inhibitor-based regimen; however, implementation of these guidelines has lagged in many resource-limited settings. Tanzania only recently implemented these guidelines with little country-specific data to inform whether HIV non-nucleoside reverse transcriptase inhibitor (NNRTI) resistance was present among infected infants under the Option A guidelines. This study aimed to identify primary resistance mutations in HIV-infected infants and to identify risk of nevirapine (NVP) resistance based on maternal and infant NVP exposure. Infant dried blood spots (DBSs) were sent to the zonal reference laboratory at Kilimanjaro Christian Medical Centre Clinical Laboratory and underwent DNA polymerase chain reaction testing for HIV as standard of care. Using the clinical laboratory registry, HIV-positive DBS cards, stored at ambient temperature, were identified and sent for further viral load testing, nucleotide sequencing, and analysis. Clinical information was obtained from the PMTCT clinical sites and the National PMTCT registry for information regarding maternal and infant demographics and PMTCT treatment regimen. Results demonstrated that infants exposed to NVP were more likely to have high level resistance mutations (HLRMs) to NVP than those infants not exposed to NVP (p = .002). The most common HLRMs to NVP were K103 N, Y181C, and Y188 L. HIV subtype A was most common, followed by subtype C. Approximately one-third of HIV-infected infants had documented referral to HIV care. This study demonstrated the ongoing need to scale up and strengthen points along the PMTCT continuum and supported the recommendation for all HIV-infected infants to initiate a lopinavir/ritonavir-based antiretroviral therapy regimen.
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- 2017
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17. Safety and immunogenicity of a live attenuated pentavalent rotavirus vaccine in HIV-exposed infants with or without HIV infection in Africa.
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Levin MJ, Lindsey JC, Kaplan SS, Schimana W, Lawrence J, McNeal MM, Bwakura-Dangarembizi M, Ogwu A, Mpabalwani EM, Sato P, Siberry G, Nelson M, Hille D, Weinberg GA, and Weinberg A
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- Africa, Antibodies, Neutralizing blood, Antibodies, Viral analysis, Antibodies, Viral blood, B-Lymphocytes immunology, Double-Blind Method, Drug-Related Side Effects and Adverse Reactions epidemiology, Feces chemistry, Feces virology, Female, HIV Infections complications, Humans, Immunoglobulin A analysis, Immunoglobulin A blood, Infant, Male, Placebos administration & dosage, Prospective Studies, Rotavirus Vaccines administration & dosage, T-Lymphocytes immunology, Vaccines, Attenuated administration & dosage, Vaccines, Attenuated adverse effects, Vaccines, Attenuated immunology, Virus Shedding, Rotavirus Infections prevention & control, Rotavirus Vaccines adverse effects, Rotavirus Vaccines immunology
- Abstract
Objective: Although many HIV-infected (HIV+) and HIV-exposed but uninfected (HEU) infants have received live rotavirus vaccines since the WHO recommended universal administration of these vaccines to infants, there has been limited prospective information on their safety and immunogenicity in either group of infants., Design/methods: We performed a randomized, double-blinded, placebo-controlled trial of the safety and immunogenicity of oral pentavalent rotavirus vaccine (RV5) administered to HIV+ and HEU infants in four African countries. Ninety-three percent of HIV+ infants were receiving antiretroviral therapy prior to vaccination. Participants were followed for safety. Immune responses were measured 14 days after three doses of RV5, including serum antirotavirus neutralizing and IgA antibodies, IgA antibody in stool, and antirotavirus memory B and T-cell FluoroSpot. Shedding of RV5 in stool was monitored., Results: A total of 76 HIV+ and 126 HEU infants were enrolled from 2009 to 2013. No significant differences were found in adverse event rates, including grade 3 events, between RV5 and placebo recipients, for either HIV+ or HEU infants. The proportion of antirotavirus IgA responders (at least three-fold increase from baseline) after RV5 administration was 81% in both HIV+ and HEU infants, which was approximately 2.5-fold higher than in placebo recipients (P < 0.001). Neutralizing antibody responses to three of five serotypes were significantly higher after RV5 regardless of HIV status, and those of HIV+ infants were equal or greater than responses of HEU infants to all five serotypes. Only one HIV+ RV5 recipient had RV5 isolated from stool., Conclusion: RV5 was immunogenic in both HIV+ and HEU infants and no safety signals were observed.
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- 2017
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18. Predictors of virologic and clinical response to nevirapine versus lopinavir/ritonavir-based antiretroviral therapy in young children with and without prior nevirapine exposure for the prevention of mother-to-child HIV transmission.
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Lindsey JC, Hughes MD, Violari A, Eshleman SH, Abrams EJ, Bwakura-Dangarembizi M, Barlow-Mosha L, Kamthunzi P, Sambo PM, Cotton MF, Moultrie H, Khadse S, Schimana W, Bobat R, Zimmer B, Petzold E, Mofenson LM, Jean-Philippe P, and Palumbo P
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- Africa South of the Sahara epidemiology, Child, Preschool, Female, HIV Infections epidemiology, HIV Infections virology, Humans, Incidence, India epidemiology, Infant, Infant, Newborn, Male, Treatment Outcome, Anti-HIV Agents therapeutic use, HIV Infections drug therapy, HIV-1 isolation & purification, Infectious Disease Transmission, Vertical prevention & control, Lopinavir therapeutic use, Nevirapine therapeutic use, Ritonavir therapeutic use
- Abstract
Background: In a randomized trial comparing nevirapine (NVP)-based versus lopinavir/ritonavir (LPV/r)-based antiretroviral therapy (ART) in HIV-infected children [primary endpoint discontinuation of study treatment for any reason or virologic failure by week 24] aged 2 months to 3 years, we assessed whether clinical, virologic, immunologic and safety outcomes varied by prior single-dose NVP exposure (PrNVP) for prevention of mother-to-child HIV transmission and other covariates., Methods: Efficacy was assessed by time to ART discontinuation or virologic failure, virologic failure/death and death; safety by time to ART discontinuation because of a protocol-defined toxicity and first ≥ grade 3 adverse event; immunology and growth by changes in CD4%, weight/height World Health Organization z-scores from entry to week 48. Cox proportional hazards and linear regression models were used to test whether treatment differences depended on PrNVP exposure and other covariates., Results: Over a median follow up of 48 (PrNVP) and 72 (no PrNVP) weeks, there was no evidence of differential treatment effects by PrNVP exposure or any other covariates. LPV/r-based ART was superior to NVP-based ART for efficacy and safety outcomes; however, those on NVP had larger improvements in CD4%, weight and height z-scores. Lower pretreatment CD4% and higher HIV-1 RNA levels were associated with reduced efficacy, lower pretreatment CD4% with shorter time to ART discontinuation because of a protocol-defined toxicity, and no PrNVP with shorter time to first grade ≥ 3 adverse event., Conclusions: Differences between LPV/r and NVP ART in efficacy, safety, immunologic and growth outcomes did not depend on PrNVP exposure, prior breast-feeding, sex, HIV-1 subtype, age, pretreatment CD4%, HIV-1 RNA or World Health Organization disease stage. This finding should be considered when selecting an ART regimen for young children.
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- 2014
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19. A randomized controlled trial of standard versus intensified tuberculosis diagnostics on treatment decisions by physicians in Northern Tanzania.
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Reddy EA, Njau BN, Morpeth SC, Lancaster KE, Tribble AC, Maro VP, Msuya LJ, Morrissey AB, Kibiki GS, Thielman NM, Cunningham CK, Schimana W, Shao JF, Chow SC, Stout JE, Crump JA, Bartlett JA, and Hamilton CD
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- Adult, Child, Preschool, Decision Making, Female, HIV Infections complications, Humans, Infant, Male, Middle Aged, Mycobacterium tuberculosis, Standard of Care, Tanzania, Treatment Outcome, Tuberculosis drug therapy, Antitubercular Agents therapeutic use, Bacteriological Techniques, Diagnostic Tests, Routine, Tuberculosis, Pulmonary diagnosis, Tuberculosis, Pulmonary drug therapy
- Abstract
Background: Routine tuberculosis culture remains unavailable in many high-burden areas, including Tanzania. This study sought to determine the impact of providing mycobacterial culture results over standard of care [unconcentrated acid-fast (AFB) smears] on management of persons with suspected tuberculosis., Methods: Adults and children with suspected tuberculosis were randomized to standard (direct AFB smear only) or intensified (concentrated AFB smear and tuberculosis culture) diagnostics and followed for 8 weeks. The primary endpoint was appropriate treatment (i.e. antituberculosis therapy for those with tuberculosis, no antituberculous therapy for those without tuberculosis)., Results: Seventy participants were randomized to standard (n = 37, 53%) or intensive (n = 33, 47%) diagnostics. At 8 weeks, 100% (n = 22) of participants in follow up randomized to intensive diagnostics were receiving appropriate care, vs. 22 (88%) of 25 participants randomized to standard diagnostics (p = 0.14). Overall, 18 (26%) participants died; antituberculosis therapy was associated with lower mortality (9% who received antiuberculosis treatment died vs. 26% who did not, p = 0.04)., Conclusions: Under field conditions in a high burden setting, the impact of intensified diagnostics was blunted by high early mortality. Enhanced availability of rapid diagnostics must be linked to earlier access to care for outcomes to improve.
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- 2014
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20. Progress in the prevention of mother to child transmission of HIV in three regions of Tanzania: a retrospective analysis.
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Buchanan AM, Dow DE, Massambu CG, Nyombi B, Shayo A, Musoke R, Feng S, Bartlett JA, Cunningham CK, and Schimana W
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- Antiretroviral Therapy, Highly Active, Dried Blood Spot Testing, Female, HIV Infections drug therapy, HIV Infections virology, Humans, Infant, Newborn, Male, Pregnancy, Retrospective Studies, Tanzania, Anti-HIV Agents therapeutic use, HIV Infections prevention & control, HIV Infections transmission, Infectious Disease Transmission, Vertical prevention & control, Nevirapine therapeutic use
- Abstract
Background: Mother to child transmission (MTCT) of HIV-1 remains an important problem in sub-Saharan Africa where most new pediatric HIV-1 infections occur. Early infant diagnosis of HIV-1 using dried blood spot (DBS) PCR among exposed infants provides an opportunity to assess current MTCT rates., Methods: We conducted a retrospective data analysis on mother-infant pairs from all PMTCT programs in three regions of northern Tanzania to determine MTCT rates from 2008-2010. Records of 3,016 mother-infant pairs were assessed to determine early transmission among HIV-exposed infants in the first 75 days of life., Results: Of 2,266 evaluable infants in our cohort, 143 had a positive DBS PCR result at ≤ 75 days of life, for an overall transmission rate of 6.3%. Transmission decreased substantially over the period of study as more effective regimens became available. Transmission rates were tightly correlated to maternal regimen: 14.9% (9.5, 20.3) of infants became infected when women received no therapy; 8.8% (6.9, 10.7) and 3.6% (2.4, 4.8) became infected when women received single-dose nevirapine (sdNVP) or combination prophylaxis, respectively; the lowest MTCT rates occurred when women were on HAART, with 2.1% transmission (0.3, 3.9). Treatment regimens changed dramatically over the study period, with an increase in combination prophylaxis and a decrease in the use of sdNVP. Uptake of DBS PCR more than tripled over the period of study for the three regions surveyed., Conclusions: Our study demonstrates significant reductions in MTCT of HIV-1 in three regions of Tanzania coincident with increased use of more effective PMTCT interventions. The changes we demonstrate for the period of 2008-2010 occurred prior to major changes in WHO PMTCT guidelines.
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- 2014
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21. Nevirapine versus ritonavir-boosted lopinavir for HIV-infected children.
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Violari A, Lindsey JC, Hughes MD, Mujuru HA, Barlow-Mosha L, Kamthunzi P, Chi BH, Cotton MF, Moultrie H, Khadse S, Schimana W, Bobat R, Purdue L, Eshleman SH, Abrams EJ, Millar L, Petzold E, Mofenson LM, Jean-Philippe P, and Palumbo P
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- Anti-Retroviral Agents adverse effects, CD4 Lymphocyte Count, Child, Preschool, Drug Therapy, Combination adverse effects, Female, HIV Infections mortality, Humans, Infant, Kaplan-Meier Estimate, Lamivudine adverse effects, Lopinavir adverse effects, Male, Nevirapine adverse effects, Nevirapine therapeutic use, RNA, Viral blood, Ritonavir adverse effects, Ritonavir therapeutic use, Zidovudine adverse effects, Anti-Retroviral Agents therapeutic use, HIV Infections prevention & control, HIV-1, Lamivudine therapeutic use, Lopinavir therapeutic use, Zidovudine therapeutic use
- Abstract
Background: Nevirapine-based antiretroviral therapy is the predominant (and often the only) regimen available for children in resource-limited settings. Nevirapine resistance after exposure to the drug for prevention of maternal-to-child human immunodeficiency virus (HIV) transmission is common, a problem that has led to the recommendation of ritonavir-boosted lopinavir in such settings. Regardless of whether there has been prior exposure to nevirapine, the performance of nevirapine versus ritonavir-boosted lopinavir in young children has not been rigorously established., Methods: In a randomized trial conducted in six African countries and India, we compared the initiation of HIV treatment with zidovudine, lamivudine, and either nevirapine or ritonavir-boosted lopinavir in HIV-infected children 2 to 36 months of age who had no prior exposure to nevirapine. The primary end point was virologic failure or discontinuation of treatment by study week 24., Results: A total of 288 children were enrolled; the median percentage of CD4+ T cells was 15%, and the median plasma HIV type 1 (HIV-1) RNA level was 5.7 log(10) copies per milliliter. The percentage of children who reached the primary end point was significantly higher in the nevirapine group than in the ritonavir-boosted lopinavir group (40.8% vs. 19.3%; P<0.001). Among the nevirapine-treated children with virologic failure for whom data on resistance were available, more than half (19 of 32) had resistance at the time of virologic failure. In addition, the time to a protocol-defined toxicity end point was shorter in the nevirapine group (P=0.04), as was the time to death (P=0.06)., Conclusions: Outcomes were superior with ritonavir-boosted lopinavir among young children with no prior exposure to nevirapine. Factors that may have contributed to the suboptimal results with nevirapine include elevated viral load at baseline, selection for nevirapine resistance, background regimen of nucleoside reverse-transcriptase inhibitors, and the standard ramp-up dosing strategy. The results of this trial present policymakers with difficult choices. (Funded by the National Institute of Allergy and Infectious Diseases and others; P1060 ClinicalTrials.gov number, NCT00307151.).
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- 2012
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22. Invasive bacterial and fungal infections among hospitalized HIV-infected and HIV-uninfected children and infants in northern Tanzania.
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Crump JA, Ramadhani HO, Morrissey AB, Msuya LJ, Yang LY, Chow SC, Morpeth SC, Reyburn H, Njau BN, Shaw AV, Diefenthal HC, Bartlett JA, Shao JF, Schimana W, Cunningham CK, and Kinabo GD
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- AIDS-Related Opportunistic Infections mortality, Adolescent, Bacteremia epidemiology, Bacteremia microbiology, Bacterial Infections mortality, CD4 Lymphocyte Count, Child, Child, Preschool, Female, Fever microbiology, HIV Infections complications, HIV Infections diagnosis, HIV-1 isolation & purification, Hospital Mortality, Hospitalization, Humans, Infant, Malaria diagnosis, Male, Mycoses mortality, Plasmodium falciparum isolation & purification, Salmonella enterica isolation & purification, Streptococcus pneumoniae isolation & purification, Tanzania epidemiology, AIDS-Related Opportunistic Infections epidemiology, AIDS-Related Opportunistic Infections microbiology, Bacterial Infections epidemiology, Bacterial Infections microbiology, Inpatients statistics & numerical data, Malaria epidemiology, Mycoses epidemiology
- Abstract
Objective: To describe the contribution of paediatric HIV and of HIV co-infections to admissions to a hospital in Moshi, Tanzania, using contemporary laboratory methods., Methods: During 1 year, we enrolled consecutively admitted patients aged ≥2 months and <13 years with current or recent fever. All patients underwent standardized clinical history taking, a physical examination and HIV antibody testing; standard aerobic blood cultures and malaria film were also done, and hospital outcome was recorded. Early infant HIV diagnosis by HIV-1 RNA PCR was performed on those aged <18 months. HIV-infected patients also received serum cryptococcal antigen testing and had their CD4-positive T-lymphocyte count and percent determined., Results: A total of 467 patients were enrolled whose median age was 2 years (range 2 months-13 years); Of those patients, 57.2% were female and 12.2% were HIV-infected. Admission clinical diagnosis of HIV disease was made in 10.7% and of malaria in 60.4%. Of blood cultures, 5.8% grew pathogens; of these 25.9% were Salmonella enterica (including 6 Salmonella Typhi) and 22.2%Streptococcus pneumoniae. Plasmodium falciparum was identified on blood film of 1.3%. HIV infection was associated with S. pneumoniae (odds ratio 25.7, 95% CI 2.8, 234.0) bloodstream infection (BSI), but there was no evidence of an association with Escherichia coli or P. falciparum; Salmonella Typhi BSI occurred only among HIV-uninfected participants. The sensitivity and specificity of an admission clinical diagnosis of malaria were 100% and 40.3%; and for an admission diagnosis of bloodstream infection, they were 9.1% and 86.4%, respectively., Conclusion: Streptococcus pneumoniae is a leading cause of bloodstream infection among paediatric admissions in Tanzania and is closely associated with HIV infection. Malaria was over-diagnosed clinically, whereas invasive bacterial disease was underestimated. HIV and HIV co-infections contribute to a substantial proportion of paediatric febrile admissions, underscoring the value of routine HIV testing., (© 2011 Blackwell Publishing Ltd.)
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- 2011
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23. Antiretroviral treatment for children with peripartum nevirapine exposure.
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Palumbo P, Lindsey JC, Hughes MD, Cotton MF, Bobat R, Meyers T, Bwakura-Dangarembizi M, Chi BH, Musoke P, Kamthunzi P, Schimana W, Purdue L, Eshleman SH, Abrams EJ, Millar L, Petzold E, Mofenson LM, Jean-Philippe P, and Violari A
- Subjects
- Anti-HIV Agents administration & dosage, Child, Preschool, Drug Therapy, Combination, Female, HIV Infections mortality, HIV Infections prevention & control, HIV Infections transmission, Humans, Infant, Infant, Newborn, Infectious Disease Transmission, Vertical prevention & control, Kaplan-Meier Estimate, Lopinavir, Male, Pregnancy, Pregnancy Complications, Infectious drug therapy, Pyrimidinones therapeutic use, RNA, Viral blood, Ritonavir therapeutic use, Treatment Failure, Anti-Retroviral Agents therapeutic use, HIV Infections drug therapy, HIV-1 genetics, HIV-1 isolation & purification, Nevirapine administration & dosage
- Abstract
Background: Single-dose nevirapine is the cornerstone of the regimen for prevention of mother-to-child transmission of human immunodeficiency virus (HIV) in resource-limited settings, but nevirapine frequently selects for resistant virus in mothers and children who become infected despite prophylaxis. The optimal antiretroviral treatment strategy for children who have had prior exposure to single-dose nevirapine is unknown., Methods: We conducted a randomized trial of initial therapy with zidovudine and lamivudine plus either nevirapine or ritonavir-boosted lopinavir in HIV-infected children 6 to 36 months of age, in six African countries, who qualified for treatment according to World Health Organization (WHO) criteria. Results are reported for the cohort that included children exposed to single-dose nevirapine prophylaxis. The primary end point was virologic failure or discontinuation of treatment by study week 24. Enrollment in this cohort was terminated early on the recommendation of the data and safety monitoring board., Results: A total of 164 children were enrolled. The median percentage of CD4+ lymphocytes was 19%; a total of 56% of the children had WHO stage 3 or 4 disease. More children in the nevirapine group than in the ritonavir-boosted lopinavir group reached a primary end point (39.6% vs. 21.7%; weighted difference, 18.6 percentage-points; 95% confidence interval, 3.7 to 33.6; nominal P=0.02). Baseline resistance to nevirapine was detected in 18 of 148 children (12%) and was predictive of treatment failure. No significant between-group differences were seen in the rate of adverse events., Conclusions: Among children with prior exposure to single-dose nevirapine for perinatal prevention of HIV transmission, antiretroviral treatment consisting of zidovudine and lamivudine plus ritonavir-boosted lopinavir resulted in better outcomes than did treatment with zidovudine and lamivudine plus nevirapine. Since nevirapine is used for both treatment and perinatal prevention of HIV infection in resource-limited settings, alternative strategies for the prevention of HIV transmission from mother to child, as well as for the treatment of HIV infection, are urgently required. (Funded by the National Institutes of Health; ClinicalTrials.gov number, NCT00307151.).
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- 2010
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24. Predicting virologic failure among HIV-1-infected children receiving antiretroviral therapy in Tanzania: a cross-sectional study.
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Emmett SD, Cunningham CK, Mmbaga BT, Kinabo GD, Schimana W, Swai ME, Bartlett JA, Crump JA, and Reddy EA
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- Adolescent, Alkynes, Benzoxazines therapeutic use, CD4 Antigens blood, CD4 Lymphocyte Count, Child, Child, Preschool, Cross-Sectional Studies, Cyclopropanes, Female, Follow-Up Studies, HIV-1 genetics, Humans, Infant, Male, Nevirapine therapeutic use, Predictive Value of Tests, RNA, Viral blood, Recurrence, Severity of Illness Index, Tanzania, Anti-HIV Agents therapeutic use, Anti-Retroviral Agents therapeutic use, HIV Infections drug therapy, Treatment Failure
- Abstract
Background: Many HIV care and treatment programs in resource-limited settings rely on clinical and immunologic monitoring of antiretroviral therapy (ART), but accuracy of this strategy to detect virologic failure (VF) among children has not been evaluated., Methods: A cross-sectional sample of HIV-infected children aged 1-16 years on ART >or=6 months receiving care at a Tanzanian referral center underwent clinical staging, CD4 lymphocyte measurement, plasma HIV-1 RNA level, and complete blood count. Associations with VF (HIV-1 RNA >or=400 copies/mL) were determined utilizing bivariable and multivariate analyses; accuracy of current clinical and immunologic guidelines in identifying children with VF was assessed., Findings: Of 206 children (median age 8.7 years, ART duration 2.4 years), 65 (31.6%) demonstrated VF at enrollment. Clinical and immunological criteria identified 2 (3.5%) of 57 children with VF on first-line therapy, exhibiting 3.5% sensitivity and 100% specificity. VF was associated with younger age, receipt of nevirapine vs. efavirenz-based regimen, CD4% < 25%, and physician documentation of maladherence (P < 0.05 on bivariable analysis); the latter 2 factors remained significant on multivariate logistic regression., Interpretation: This study demonstrates poor performance of clinical and immunologic criteria in identifying children with virologic failure. Affordable techniques for measuring HIV-1 RNA level applicable in resource-limited settings are urgently needed.
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- 2010
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25. Characteristics of HIV voluntary counseling and testing clients before and during care and treatment scale-up in Moshi, Tanzania.
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Shorter MM, Ostermann J, Crump JA, Tribble AC, Itemba DK, Mgonja A, Mtalo A, Bartlett JA, Shao JF, Schimana W, and Thielman NM
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- AIDS Serodiagnosis, Adult, Anti-HIV Agents therapeutic use, Developing Countries, Female, HIV Infections diagnosis, Humans, Male, Risk-Taking, Tanzania epidemiology, Counseling, HIV Infections epidemiology, HIV Infections psychology, HIV Seroprevalence, Health Services Accessibility
- Abstract
Objectives: We evaluated changes in characteristics of clients presenting for voluntary counseling and testing (VCT) before and during care and treatment center (CTC) scale-up activities in Moshi, Tanzania, between November 2003 and December 2007., Methods: Consecutive clients were surveyed after pretest counseling, and rapid HIV antibody testing was performed. Trend tests were used to assess changes in seroprevalence and client characteristics over time. Multivariable logistic regression models were used to estimate the contribution of changes in sociodemographic and behavioral risk characteristics, and symptoms, to changes in seroprevalence before and during CTC scale-up., Results: Data from 4391 first-time VCT clients were analyzed. HIV seroprevalence decreased from 26.2% to 18.9% after the availability of free antiretroviral therapy and expansion of CTCs beyond regional and referral hospitals. Seroprevalence decreased by 27 % for females (P = 0.0002) and 34% for males (P = 0.0125). Declines in seropositivity coincided with decreases in symptoms among males and females (P < 0.0001) and a more favorable distribution of sociodemographic risks among females (P = 0.002). No changes in behavioral risk characteristics were observed., Conclusions: Concurrent with the scale-up of CTCs, HIV seroprevalence and rates of symptoms declined sharply at an established freestanding VCT site in Moshi, Tanzania. If more HIV-infected persons access VCT at sites where antiretrovirals are offered, freestanding VCT sites may become a less cost-effective means for HIV case finding.
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- 2009
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26. Evaluation of a dried blood spot HIV-1 RNA program for early infant diagnosis and viral load monitoring at rural and remote healthcare facilities.
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Lofgren SM, Morrissey AB, Chevallier CC, Malabeja AI, Edmonds S, Amos B, Sifuna DJ, von Seidlein L, Schimana W, Stevens WS, Bartlett JA, and Crump JA
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- Female, HIV Infections diagnosis, HIV Infections virology, HIV-1 isolation & purification, Humans, Infant, Male, Reverse Transcriptase Polymerase Chain Reaction, Sensitivity and Specificity, Specimen Handling, Tanzania epidemiology, HIV Antibodies blood, HIV Infections blood, HIV-1 genetics, RNA, Viral isolation & purification, Rural Health
- Abstract
Objective: To assess technical and operational performance of a dried blood spot (DBS)-based HIV-1 RNA service for remote healthcare facilities in a low-income country., Design: A method comparison and operational evaluation of DBS RNA against conventional tests for early infant diagnosis of HIV and HIV RNA quantitation under field conditions in Tanzania., Methods: DBSs were prepared and plasma was frozen at -80 degrees C. DBSs were mailed and plasma couriered to a central laboratory for testing using the Abbott m2000 system. Infant diagnosis DBSs were also tested for HIV-1 DNA by ROCHE COBAS AmpliPrep/COBAS TaqMan System. Results of DBS RNA were compared with conventional tests; program performance was described., Results: Among 176 infant diagnosis participants, using a threshold of at least 1000 copies/ml, sensitivity and specificity of DBS versus plasma RNA were 1.00 and 0.99, and of DBS RNA versus DBS DNA were 0.97 and 1.00. Among 137 viral load monitoring participants, when plasma and DBS RNA were compared, r value was 0.9709; r value was 0.9675 for at least 5000 copies/ml but was 0.7301 for less than 5000 copies/ml. The highest plasma RNA value at which DBS RNA was not detected was 2084 copies/ml. Median (range) turnaround time from sample collection to result receipt at sites was 23 (4-69) days. The Tanzania mail service successfully transmitted all DBS and results between sites and the central laboratory., Conclusion: Under program conditions in Tanzania, DBS provided HIV-1 RNA results comparable to conventional methods to remote healthcare facilities. DBS RNA testing is an alternative to liquid plasma for HIV-1 RNA services in remote areas.
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- 2009
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27. Total lymphocyte count and World Health Organization pediatric clinical stage as markers to assess need to initiate antiretroviral therapy among human immunodeficiency virus-infected children in Moshi, Northern Tanzania.
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Johnson OO, Benjamin DK, Benjamin DK Jr, Schimana W, Tillekeratne LG, Crump JA, Landman KZ, Kinabo GD, Mmbaga B, Msuya LJ, Shao JF, Swai ME, and Cunningham CK
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- Adolescent, Biomarkers, CD4 Lymphocyte Count, Child, Child, Preschool, Cohort Studies, Female, HIV Infections diagnosis, HIV Infections epidemiology, Humans, Immune Tolerance, Infant, Lymphocytes immunology, Male, Predictive Value of Tests, Prognosis, Reproducibility of Results, Sensitivity and Specificity, Tanzania, World Health Organization, Anti-HIV Agents therapeutic use, HIV Infections drug therapy, HIV Infections immunology, Lymphocyte Count
- Abstract
Background: The World Health Organization (WHO) has recommended the use of clinical staging alone and with total lymphocyte count to identify HIV infected children in need of antiretroviral therapy (ART) in resource-limited settings, when CD4 cell count is not available., Methods: We prospectively enrolled children obtaining care for HIV infection at the Kilimanjaro Christian Medical Centre Pediatric Infectious Diseases Clinic in Moshi, Tanzania between March 2004 and May 2006 for this cohort study., Results: One hundred ninety two (89.7%) of 214 children met WHO ART initiation criteria based on clinical staging or CD4 cell count. Several low-cost measures identified individuals who met WHO ART initiation criteria to the following degree: WHO stages 3 or 4 had 87.5% (95% CI, 82.8-92.1) sensitivity and, by definition, 100% (CI, 100-100) specificity; WHO recommended advance disease TLC cutoffs: sensitivity = 23.9% (95% CI, 17.3-30.5) specificity = 78.2% (95% CI, 67.3-89.1). Low TLC was a common finding, (50 of 214; 23%); however, it did not improve the sensitivity or specificity of clinical staging in identifying the severely immunosuppressed stage 2 children. Growth failure or use of total lymphocyte counts in isolation were not reliable indicators of severe immunosuppression or need to initiate ART., Conclusion: The use of total lymphocyte count does not improve the ability to identify children in need of ART compared with clinical staging alone. Low absolute lymphocyte count did not correlate with severe immunosuppression based on CD4 cell count in this cohort.
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- 2009
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28. Therapeutic drug monitoring of nevirapine in resource-limited settings.
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L'homme RF, Muro EP, Droste JA, Wolters LR, van Ewijk-Beneken Kolmer NW, Schimana W, and Burger DM
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- Adolescent, Adult, Africa, Aged, Chromatography, High Pressure Liquid, Chromatography, Thin Layer methods, False Negative Reactions, False Positive Reactions, Female, Humans, Male, Middle Aged, Plasma, Saliva chemistry, Sensitivity and Specificity, Drug Monitoring methods, HIV Infections drug therapy, Nevirapine therapeutic use
- Abstract
Background: We developed a simple and inexpensive thin-layer chromatography (TLC) assay for semiquantitative detection of saliva concentrations of nevirapine in resource-limited settings. The method was validated in an African target population., Methods: Paired plasma and saliva nevirapine concentrations were assayed by high-performance liquid chromatography (HPLC); saliva concentrations of nevirapine were also assayed by TLC. The rate of false-positive results was the proportion of subtherapeutic nevirapine saliva and plasma concentrations determined by HPLC that were judged to be therapeutic in saliva specimens by TLC. The rate of false-negative results was the proportion of therapeutic nevirapine saliva and plasma concentrations determined by HPLC that were judged to be subtherapeutic in saliva specimens by TLC. The extent of agreement in TLC readings between 5 technicians and 2 batches of TLC sheets was evaluated., Results: Twenty-five (9%) of 286 African adults had a subtherapeutic plasma nevirapine concentration. The median ratio of nevirapine concentrations in saliva to those in plasma was 0.51:1. The rate of false-positive results for TLC was 0% (0 of 23 specimens) when TLC results were compared with HPLC results for saliva specimens and 8% (2 of 25 specimens) when TLC results were compared with HPLC results for plasma specimens. The rate of false-negative results for TLC was 1% (3 of 263 specimens) when TLC results were compared with HPLC results for saliva specimens and 1% (3 of 261 specimens) when TLC results were compared with HPLC results for plasma specimens. The extent of agreement of TLC results was substantial for the 5 technicians (Fleiss's kappa = 0.77) and for the 2 batches of sheets (Cohen's kappa = 0.80)., Conclusions: The TLC assay was found to be sensitive, specific, and robust in the detection of subtherapeutic nevirapine concentrations in saliva specimens obtained from African HIV-infected adults. It is an attractive alternative to HPLC for therapeutic drug monitoring of nevirapine in resource-limited settings.
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- 2008
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29. Features of childhood leukaemia in Tanzania.
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Grimes C and Schimana W
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- Adolescent, Child, Child, Preschool, Female, Humans, Infant, Leukemia, Lymphocytic, Chronic, B-Cell etiology, Leukemia, Lymphocytic, Chronic, B-Cell pathology, Male, Precursor Cell Lymphoblastic Leukemia-Lymphoma etiology, Precursor Cell Lymphoblastic Leukemia-Lymphoma pathology, Tanzania epidemiology, Leukemia, Lymphocytic, Chronic, B-Cell epidemiology, Precursor Cell Lymphoblastic Leukemia-Lymphoma epidemiology
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- 2007
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30. Capacity of health-care facilities to deliver HIV treatment and care services, Northern Tanzania, 2004.
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Landman KZ, Kinabo GD, Schimana W, Dolmans WM, Swai ME, Shao JF, and Crump JA
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- Ambulatory Care organization & administration, Ambulatory Care standards, Ambulatory Care statistics & numerical data, Anti-HIV Agents administration & dosage, HIV Infections virology, HIV-1 drug effects, Health Facility Administration, Health Workforce statistics & numerical data, Humans, Laboratories organization & administration, Laboratories standards, Process Assessment, Health Care, Quality of Health Care, Surveys and Questionnaires, Tanzania, Anti-HIV Agents therapeutic use, HIV Infections drug therapy, Health Facilities standards, Health Services Research
- Abstract
Few data exist on the current capacity of Tanzanian health-care facilities to deliver antiretroviral therapy (ART). We evaluated this capacity among Northern Zone facilities in 2004 using a questionnaire that addressed human resources, clinical facilities and services, and laboratory capacity. Of 19 facilities surveyed, nine (47%) had staff trained to manage ART and three (16%) prescribed ART. Two (11%) offered CD4 counts, five (26%) offered liver function tests, 16 (84%) offered chest radiography, and 18 (95%) offered acid-fast sputum staining. Of 12 (67%) facilities offering outpatient HIV/AIDS services, 12 (100%) provided co-trimoxazole to outpatients and six (50%) provided isoniazid (INH). All 19 (100%) facilities offered rapid HIV tests and full blood pictures. Overall in 2004, facilities needed strengthening to increase staff training in ART management and to implement INH for treatment of latent tuberculosis. Laboratory facilities for ART monitoring were inadequate, and outpatient ART was limited.
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- 2006
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31. [Mortality of hospitalized psychiatric patients--results of a 10-year study].
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Schwalb H, Schimana W, Brüninghaus H, Eckmann F, Mascher J, Serfling W, and Veh-Schindlmayr I
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- Adult, Age Factors, Aged, Cardiovascular Diseases mortality, Cross-Sectional Studies, Female, Germany, West, Hospitals, Psychiatric, Humans, Male, Middle Aged, Risk, Sex Factors, Mental Disorders mortality
- Abstract
The mortality rate of 1239 psychiatric patients--609 men and 639 women, aged between 40 and 70 years, permanently hospitalized in 6 different German clinics--was registered, ten years after they had been examined for the incidence of cardiac risk factors in 1971 and 1972. The death rate figures were compared with the corresponding figures of the total population of the Federal Republic of Germany. In all age-groups mortality among psychiatric patients, both male and female, was higher than the average rate at Federal level. The gap narrowed with increasing age. With male patients the most frequent cause of death were cardiovascular diseases, followed by respiratory diseases and malignant growths, whereas with women respiratory diseases were the primary cause of death. In comparison to the population of the Federal Republic of Germany considerably more patients died of respiratory diseases--according to age and sex the death rate was up to ten times higher. This was due to the high percentage of lethal pneumonia. The number of deaths in which the cause was unknown was also higher than the national average. A remarkably high percentage of the patients (27%) died suddenly and unexpectedly. In some age-groups fewer patients died of malignant growths than at Federal level. Death caused by cardiovascular diseases was only more frequent among younger patients. Among men acute ischaemic heart diseases were the most frequent cause of cardiac failure. Death due to cerebral sclerotic diseases was remarkably reduced among older patients, probably as a result of a less high incidence of hypertension.
- Published
- 1987
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