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1.
BMC Pediatr ; 22(1): 446, 2022 07 25.
Artigo em Inglês | MEDLINE | ID: mdl-35879693

RESUMO

BACKGROUND: Children who initiate antiretroviral therapy (ART) before age 5 years can recover height and weight compared to uninfected peers, but growth outcomes are unknown for children initiating ART at older ages. We investigated factors associated with growth failure at ART initiation and modelled growth by age on ART. METHODS: We conducted secondary analysis of cohort of children aged 6-15 years late-diagnosed with HIV in Harare, Zimbabwe, with entry at ART initiation in 2013-2015. Factors associated with height-for-age (HAZ), weight-for-age (WAZ) and BMI-for-age (BAZ) z-scores <- 2 (stunting, underweight and wasting respectively) at ART initiation were assessed using multivariable logistic regression. These outcomes were compared at ART initiation and 12 month follow-up using paired t-tests. HAZ and BAZ were modelled using restricted cubic splines. RESULTS: Participants (N = 302; 51.6% female; median age 11 years) were followed for a median of 16.6 months (IQR 11.0-19.8). At ART initiation 34.8% were stunted, 34.5% underweight and 15.1% wasted. Stunting was associated with age ≥ 12 years, CD4 count < 200 cells/µl, tuberculosis (TB) history and history of hospitalisation. Underweight was associated with older age, male sex and TB history, and wasting was associated with older age, TB history and hospitalisation. One year post-initiation, t-tests showed increased WAZ (p = 0.007) and BAZ (p = 0.004), but no evidence of changed HAZ (p = 0.85). Modelling showed that HAZ and BAZ decreased in early adolescence for boys on ART, but not girls. CONCLUSION: Stunting and underweight were prevalent at ART initiation among late-diagnosed children, and HAZ did not improve after 1 year. Adolescent boys with perinatally acquired HIV and late diagnosis are particularly at risk of growth failure in puberty.


Assuntos
Antirretrovirais , Transtornos do Crescimento , Infecções por HIV , Transmissão Vertical de Doenças Infecciosas , Adolescente , Antirretrovirais/uso terapêutico , Criança , Diagnóstico Tardio , Feminino , Transtornos do Crescimento/epidemiologia , Transtornos do Crescimento/prevenção & controle , Infecções por HIV/diagnóstico , Infecções por HIV/tratamento farmacológico , Infecções por HIV/transmissão , Humanos , Masculino , Estudos Prospectivos , Resultado do Tratamento , Zimbábue/epidemiologia
2.
BMC Pediatr ; 22(1): 340, 2022 06 11.
Artigo em Inglês | MEDLINE | ID: mdl-35690762

RESUMO

BACKGROUND: We investigated risk factors for sustained virological non-suppression (viral load ≥ 1000 copies/ml on two tests 48 weeks apart) among children and adolescents accessing HIV care in public sector clinics in Harare, Zimbabwe and Blantyre, Malawi. METHODS: Participants were enrolled between 2016 and 2019, were aged 6-19 years, living with HIV, had chronic lung disease (FEV z-score < -1) and had taken antiretroviral therapy (ART) for at least six months. We used multivariate logistic regression to identify risk factors for virological non-suppression after 48 weeks, among participants who were non-suppressed at enrolment. RESULTS: At enrolment 258 participants (64.6%) were on first-line ART and 152/347 (43.8%) had virological non-suppression. After 48 weeks 114/313 (36.4%) were non-suppressed. Participants non-suppressed at baseline had almost ten times higher odds of non-suppression at follow-up (OR = 9.9, 95%CI 5.3-18.4, p < 0.001). Of those who were non-suppressed at enrolment, 87/136 (64.0%) were still non-suppressed at 48 weeks. Among this group non-suppression at 48 weeks was associated with not switching ART regimen (adjusted OR = 5.55; 95%CI 1.41-21.83); p = 0.014) and with older age. Twelve participants switched regimen in Zimbabwe and none in Malawi. CONCLUSIONS: Viral non-suppression was high among this group and many with high viral load were not switched to a new regimen, resulting in continued non-suppression after 48 weeks. Further research could determine whether improved adherence counselling and training clinicians on regimen switches can improve viral suppression rates in this population. TRIAL REGISTRATION: Secondary cohort analysis of data from BREATHE trial (Clinicaltrials.gov NCT02426112 ).


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Adolescente , Fármacos Anti-HIV/uso terapêutico , Criança , Análise de Dados , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Humanos , Malaui/epidemiologia , Fatores de Risco , Carga Viral , Zimbábue/epidemiologia
3.
Clin Infect Dis ; 73(1): e264-e266, 2021 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-33242076

RESUMO

In a cross-sectional study of 296 children and adolescents from Zimbabwe living with perinatal human immunodeficiency virus, individuals with the top tertile of cytomegalovirus-specific immunoglobulin G titer had an increased odds of chronic lung disease (odds ratio, 3.33; 95% confidence interval, 1.37-8.85; P = .010).


Assuntos
Infecções por HIV , Pneumopatias , Adolescente , África Subsaariana/epidemiologia , Criança , Estudos Transversais , Citomegalovirus , Feminino , HIV , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Humanos , Imunoglobulina G , Pneumopatias/epidemiologia , Gravidez , Zimbábue
4.
Clin Infect Dis ; 73(7): e2043-e2051, 2021 10 05.
Artigo em Inglês | MEDLINE | ID: mdl-32766884

RESUMO

BACKGROUND: Chronic lung disease (CLD) has been reported among African children with perinatally acquired human immunodeficiency virus (HIV) infection (C-PHIV), despite combination antiretroviral therapy (cART). In adults, shorter telomere length (TL) has been reported in association with both CLD and HIV. As little is known in children, our objective was to compare TL in HIV-positive (cART-naive or -treated) and HIV-negative children with and without CLD. METHODS: Participants included Zimbabwean C-PHIV, aged 6-16, who were either newly diagnosed and cART-naive, or on cART for >6 months, and HIV-negative controls of similar age and sex. Packed blood cell (granulocyte) TLs from 621 children were compared cross-sectionally between groups. For a subset of newly diagnosed C-PHIV, changes in TL following cART initiation were evaluated. RESULTS: C-PHIV had shorter granulocyte TL compared with uninfected peers, regardless of cART. Among 255 C-PHIV without CLD, TL was shorter in cART-naive participants. In multivariable analyses adjusted for age, sex, CLD, and HIV/cART status, shorter TL was independently associated with older age, being HIV positive, and having reduced forced vital capacity (FVC). Last, cART initiation increased TL. CONCLUSIONS: In this cohort, C-PHIV and those with reduced FVC have shorter granulocyte TL, possibly the result of increased immune activation and cellular turnover due to longstanding HIV infection with delayed cART initiation.


Assuntos
Infecções por HIV , Pneumopatias , Adolescente , Idoso , Criança , Granulócitos , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Humanos , Telômero , Zimbábue/epidemiologia
5.
Bull World Health Organ ; 99(2): 85-91, 2021 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-33551502

RESUMO

OBJECTIVE: To investigate community and health-care workers' perspectives on the coronavirus disease 2019 (COVID-19) pandemic and on early pandemic responses during the first 2 weeks of national lockdown in Zimbabwe. METHODS: Rapid qualitative research was carried out between March and April 2020 via phone interviews with one representative from each of four community-based organizations and 16 health-care workers involved in a trial of community-based services for young people. In addition, information on COVID-19 was collected from social media platforms, news outlets and government announcements. Data were analysed thematically. FINDINGS: Four themes emerged: (i) individuals were overloaded with information but lacked trusted sources, which resulted in widespread fear and unanswered questions; (ii) communities had limited ability to comply with prevention measures, such as social distancing, because access to long-term food supplies and water at home was limited and because income had to be earned daily; (iii) health-care workers perceived themselves to be vulnerable and undervalued because of a shortage of personal protective equipment and inadequate pay; and (iv) other health conditions were sidelined because resources were redirected, with potentially wide-reaching implications. CONCLUSION: It is important that prevention measures against COVID-19 are appropriate for the local context. In Zimbabwe, communities require support with basic needs and access to reliable information to enable them to follow prevention measures. In addition, health-care workers urgently need personal protective equipment and adequate salaries. Essential health-care services and medications for conditions other than COVID-19 must also continue to be provided to help reduce excess mortality and morbidity.


Assuntos
COVID-19/prevenção & controle , COVID-19/psicologia , Controle de Doenças Transmissíveis/métodos , Serviços de Saúde Comunitária/organização & administração , Pessoal de Saúde , Acesso à Informação , Humanos , Pandemias , Equipamento de Proteção Individual/provisão & distribuição , Pesquisa Qualitativa , Salários e Benefícios , Zimbábue
6.
AIDS Care ; 33(1): 109-113, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32295406

RESUMO

Uptake of HIV testing remains lower among children and adolescents compared to adults. This study explored adolescents' perceptions of HIV self-testing (HIVST) and caregivers' perceptions of testing their children using an oral mucosal transudate (OMT) rapid HIV test (caregiver-provided testing). We conducted 31 interviews with adolescents aged 16-18 years and caregivers of children aged 2-15 years who received an OMT test. Participants described barriers to HIV testing including lack of privacy and the potential for discrimination by community members towards children and adolescents who received an HIV test. Most participants felt caregiver-provided testing and HIVST could address these barriers through increased privacy. Some participants expressed worry about their ability to correctly perform the OMT and their anxious reactions to a positive result. Counseling and assistance from health care workers were viewed as ways to alleviate concerns. Concerns shaped participants' preferences for facility-based HIVST and caregiver-provided testing. Findings demonstrate HIVST performed by adolescents and caregiver-provided testing could increase the uptake of HIV testing. Concerns related to being able to test correctly and the availability of post-test counseling must be addressed in any future delivery mechanisms.


Assuntos
Sorodiagnóstico da AIDS/métodos , Cuidadores/psicologia , Infecções por HIV/diagnóstico , Conhecimentos, Atitudes e Prática em Saúde , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Autoteste , Adolescente , Adulto , Líquidos Corporais/virologia , Criança , Pré-Escolar , Exsudatos e Transudatos , Feminino , Infecções por HIV/virologia , Acessibilidade aos Serviços de Saúde , Humanos , Entrevistas como Assunto , Masculino , Programas de Rastreamento , Percepção , Pesquisa Qualitativa , Inquéritos e Questionários , Adulto Jovem , Zimbábue
7.
BMC Infect Dis ; 21(1): 216, 2021 Feb 25.
Artigo em Inglês | MEDLINE | ID: mdl-33632144

RESUMO

BACKGROUND: HIV-associated chronic lung disease (CLD) is common among children living with HIV (CLWH) in sub-Saharan Africa, including those on antiretroviral therapy (ART). However, the pathogenesis of CLD and its possible association with microbial determinants remain poorly understood. We investigated the prevalence, and antibiotic susceptibility of Streptococcus pneumoniae (SP), Staphylococcus aureus (SA), Haemophilus influenzae (HI), and Moraxella catarrhalis (MC) among CLWH (established on ART) who had CLD (CLD+), or not (CLD-) in Zimbabwe and Malawi. METHODS: Nasopharyngeal swabs (NP) and sputa were collected from CLD+ CLWH (defined as forced-expiratory volume per second z-score < - 1 without reversibility post-bronchodilation with salbutamol), at enrolment as part of a randomised, placebo-controlled trial of azithromycin (BREATHE trial - NCT02426112 ), and from age- and sex-matched CLD- CLWH. Samples were cultured, and antibiotic susceptibility testing was conducted using disk diffusion. Risk factors for bacterial carriage were identified using questionnaires and analysed using multivariate logistic regression. RESULTS: A total of 410 participants (336 CLD+, 74 CLD-) were enrolled (median age, 15 years [IQR = 13-18]). SP and MC carriage in NP were higher in CLD+ than in CLD- children: 46% (154/336) vs. 26% (19/74), p = 0.008; and 14% (49/336) vs. 3% (2/74), p = 0.012, respectively. SP isolates from the NP of CLD+ children were more likely to be non-susceptible to penicillin than those from CLD- children (36% [53/144] vs 11% [2/18], p = 0.036). Methicillin-resistant SA was uncommon [4% (7/195)]. In multivariate analysis, key factors associated with NP bacterial carriage included having CLD (SP: adjusted odds ratio (aOR) 2 [95% CI 1.1-3.9]), younger age (SP: aOR 3.2 [1.8-5.8]), viral load suppression (SP: aOR 0.6 [0.4-1.0], SA: 0.5 [0.3-0.9]), stunting (SP: aOR 1.6 [1.1-2.6]) and male sex (SA: aOR 1.7 [1.0-2.9]). Sputum bacterial carriage was similar in both groups (50%) and was associated with Zimbabwean site (SP: aOR 3.1 [1.4-7.3], SA: 2.1 [1.1-4.2]), being on ART for a longer period (SP: aOR 0.3 [0.1-0.8]), and hot compared to rainy season (SP: aOR 2.3 [1.2-4.4]). CONCLUSIONS: CLD+ CLWH were more likely to be colonised by MC and SP, including penicillin-non-susceptible SP strains, than CLD- CLWH. The role of these bacteria in CLD pathogenesis, including the risk of acute exacerbations, should be further studied.


Assuntos
Antibacterianos/farmacologia , Farmacorresistência Bacteriana , Infecções por HIV/microbiologia , Pneumopatias/microbiologia , Adolescente , Antirretrovirais/uso terapêutico , Bactérias/classificação , Bactérias/efeitos dos fármacos , Bactérias/isolamento & purificação , Feminino , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Humanos , Pneumopatias/tratamento farmacológico , Pneumopatias/epidemiologia , Malaui/epidemiologia , Masculino , Microbiota , Nasofaringe/microbiologia , Prevalência , Fatores de Risco , Zimbábue/epidemiologia
8.
J Infect Dis ; 221(3): 483-492, 2020 01 14.
Artigo em Inglês | MEDLINE | ID: mdl-31549151

RESUMO

BACKGROUND: Human immunodeficiency virus (HIV) infection causes impairment of the gastrointestinal barrier, with substantial depletion of CD4+ T cells in the gut. Antiretroviral therapy (ART) restores CD4+ counts and may have beneficial effects on gut microbiota in adults. Little is known about effect of long-term ART on gut microbiome in HIV-infected children. We investigated composition of gut microbiota in HIV-infected and -uninfected children and assessed associations between gut microbiota and patient characteristics. METHODS: In a cross-sectional study, rectal swabs were collected from 177 HIV-infected and 103 HIV-uninfected controls. Gut microbial composition was explored using 16S ribosomal ribonucleic acid sequencing. RESULTS: Human immunodeficiency virus-infected children had significantly lower alpha-diversity and higher beta-diversity compared to HIV-uninfected. No association was observed between microbiome diversity and CD4+ T-cell count, HIV viral load, or HIV-associated chronic lung disease. We found enriched levels of Corynebacterium (P < .01), Finegoldia (P < .01), and Anaerococcus (P < .01) in HIV-infected participants and enrichment of Enterobacteriaceae (P = .02) in participants with low CD4+ counts (<400 cells/mm3). Prolonged ART-treatment (≥10 years) was significantly associated with a richer gut microbiota by alpha diversity. CONCLUSIONS: Human immunodeficiency virus-infected children have altered gut microbiota. Prolonged ART may restore the richness of the microbiota closer to that of HIV-uninfected children.


Assuntos
Antirretrovirais/uso terapêutico , Disbiose/epidemiologia , Microbioma Gastrointestinal/efeitos dos fármacos , Microbioma Gastrointestinal/genética , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , HIV , Adolescente , Antirretrovirais/efeitos adversos , Contagem de Linfócito CD4 , Linfócitos T CD4-Positivos , Criança , Estudos Transversais , Disbiose/virologia , Feminino , Infecções por HIV/virologia , Humanos , Masculino , RNA Ribossômico 16S/genética , Análise de Sequência de RNA , Carga Viral , Zimbábue/epidemiologia
9.
Clin Infect Dis ; 70(7): 1372-1378, 2020 03 17.
Artigo em Inglês | MEDLINE | ID: mdl-31054255

RESUMO

BACKGROUND: A high prevalence of cardiac abnormalities has been reported in children with human immunodeficiency virus (HIV) taking antiretroviral therapy (ART) in sub-Saharan Africa. We investigated the incidence and progression of cardiac abnormalities among children taking ART in Zimbabwe. METHODS: A prospective cohort study was conducted at a pediatric HIV clinic from 2014 to 2017. Children with HIV aged between 6 and 16 years and taking ART ≥6 months were enrolled. Transthoracic echocardiography was performed at baseline and after 18 months. RESULTS: Of 197 participants recruited at baseline, 175 (89%; 48% female; median age 12 years, interquartile range 10-14 years) were followed up. The incidences of left and right heart abnormalities were 3.52 and 5.64 per 100 person-years, respectively. Stunting was associated with the development of any cardiac abnormality (adjusted odds ratio 2.59, 95% confidence interval 1.03-6.49; P = .043). Right ventricular (RV) dilatation persisted at follow-up in 92% of participants and left ventricular (LV) diastolic dysfunction in 88%. Cardiac abnormalities present at baseline reverted to normal over the follow-up period in 11 (6%). There was an overall increase in mean z scores for LV, left atrium (LA), RV, interventricular septum, and LV posterior wall diameters at 18 months (P < .001). CONCLUSIONS: Despite ART, children with HIV have a high incidence of cardiac abnormalities, with only a minority being transient. Mean z scores for LV, LA, RV, interventricular septum, and LV posterior wall diameters increased over a relatively short follow-up period, suggesting the potential for progression of cardiac abnormalities. Longer follow-up is required to understand the clinical implications of these abnormalities.


Assuntos
Infecções por HIV , Disfunção Ventricular Esquerda , Adolescente , África Subsaariana , Idoso , Criança , Ecocardiografia , Feminino , HIV , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Humanos , Incidência , Masculino , Estudos Prospectivos , Zimbábue/epidemiologia
10.
Trop Med Int Health ; 25(5): 590-599, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-31989731

RESUMO

OBJECTIVE: To describe the features of HIV-associated chronic lung disease (CLD) in older children and adolescents living with HIV and to examine the clinical factors associated with CLD. This is a post hoc analysis of baseline data from the BREATHE clinical trial (ClinicalTrials.gov, NCT02426112). METHODS: Children and adolescents aged 6-19 years were screened for CLD (defined as a FEV1 z-score <-1 with no reversibility post-bronchodilation with salbutamol) at two HIV clinics in Harare, Zimbabwe, and Blantyre, Malawi. Eligible participants with CLD (cases) were enrolled, together with a control group without CLD [frequency-matched by age group and duration on antiretroviral therapy (ART)] in a 4:1 allocation ratio. A clinical history and examination were undertaken. The association between CLD and a priori-defined demographic and clinical covariates was investigated using multivariable logistic regression. RESULTS: Of the 1585 participants screened, 419 (32%) had a FEV1 z-score <-1, of whom 347 were enrolled as cases [median age 15.3 years (IQR 12.7-17.7); 48.9% female] and 74 with FEV1 z-score >0 as controls [median age 15.6 years (IQR 12.1-18.2); 62.2% female]. Among cases, current respiratory symptoms including cough and shortness of breath were reported infrequently (9.3% and 1.8%, respectively). However, 152 (43.8%) of cases had a respiratory rate above the 90th centile for their age. Wasting and taking second-line ART were independently associated with CLD. CONCLUSIONS: The presence of CLD indicates the need to address additional treatment support for youth living with HIV, alongside ART provision, to ensure a healthier adulthood.


OBJECTIF: Décrire les caractéristiques de la maladie pulmonaire chronique (MPC) associée au VIH chez les enfants plus âgés et les adolescents vivant avec le VIH et examiner les facteurs cliniques associés à la MPC. Il s'agit d'une analyse post-hoc des données de référence de l'essai clinique BREATHE (ClinicalTrials.gov, NCT02426112 ). MÉTHODES: Les enfants et adolescents âgés de 6 à 19 ans ont été dépistés pour la MPC (défini comme un score z FEV1 <-1 sans réversibilité post-bronchodilatation avec du salbutamol) dans deux cliniques VIH à Harare, au Zimbabwe et à Blantyre, au Malawi. Les participants éligibles atteints de MPC (cas) ont été inscrits, ainsi qu'un groupe témoin sans MPC (fréquence appariée par groupe d'âge et durée sous ART) dans un rapport d'allocation de 4:1. Une histoire clinique et un examen ont été entrepris. L'association entre la MPC et les covariables démographiques et cliniques définies a priori a été étudiée en utilisant une régression logistique multivariable. RÉSULTATS: Sur les 1.585 participants dépistés, 419 (32%) avaient un score z FEV 1 <-1, dont 347 étaient inscrits comme cas (âge médian 15,3 ans [IQR 12,7 -17,7]; 48,9% de sexe féminin), et 74 avec un score z FEV1 >0 comme témoins (âge médian 15,6 ans [IQR 12,1 -18,2]; 62,2% de sexe féminin). Parmi les cas, les symptômes respiratoires en cours, y compris la toux et l'essoufflement, n'ont pas été rapportés fréquemment (9,3% et 1,8%, respectivement). Cependant, 152 (43,8%) des cas avaient une fréquence respiratoire supérieure au 90e centile pour leur âge. L'émaciation et la prise d'un traitement antirétroviral (ART) de deuxième intention étaient indépendamment associées à la MPC. CONCLUSIONS: La présence de MPC indique la nécessité d'un soutien thérapeutique supplémentaire aux jeunes vivant avec le VIH, à côté de à la fourniture de l'ART, pour assurer un âge adulte en meilleure santé.


Assuntos
Infecções por HIV , HIV-1 , Pneumopatias/epidemiologia , Adolescente , Estudos de Casos e Controles , Criança , Serviços de Saúde da Criança , Feminino , Humanos , Pneumopatias/complicações , Malaui/epidemiologia , Masculino , Inquéritos e Questionários , Sobreviventes , Adulto Jovem , Zimbábue/epidemiologia
11.
Clin Infect Dis ; 69(4): 580-587, 2019 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-30828710

RESUMO

BACKGROUND: Older children and adolescents with perinatally acquired human immunodeficiency virus (PHIV) infection in Africa experience multiple comorbidities that are not typical of HIV-associated opportunistic infections, including growth impairment and chronic lung disease. We examined associations between plasma cytomegalovirus (CMV) DNA and lung function and growth. METHODS: Plasma CMV DNA loads were measured children aged 6-16 years with PHIV (n = 402) and HIV-uninfected controls (n = 224). The HIV-infected children were either newly diagnosed or known HIV infected and stable on antiretroviral therapy (ART) for >6 months. CMV DNA loads were measured using quantitative polymerase chain reaction. CMV DNAemia was modeled as a time-varying outcome using longitudinal mixed-effects logistic regression. RESULTS: At enrollment, CMV DNAemia ≥1000 copies/mL (defined as "clinically significant") was detected in 5.8% of uninfected children, 14.7% of HIV-infected participants stable on ART, and 22.6% of HIV-infected ART-naive children (χ2 = 23.8, P < .001). The prevalence of CMV DNAemia ≥1000 copies/mL was associated with CD4 counts <350 cells/µL. Among HIV-infected ART-naive children, the presence of CMV DNAemia of ≥1000 copies/mL was independently associated with reduced lung function (adjusted odds ratio [aOR] = 3.23; 95% confidence interval [CI], 1.23-8.46; P = .017). Among ART-treated children, stunting was associated with CMV DNAemia of ≥1000 copies/mL (aOR = 2.79; 95% CI, 0.97-8.02; P = .057). CONCLUSIONS: Clinically significant levels of CMV DNAemia were common in older children with PHIV, even those on ART, suggesting a role for inadequately controlled CMV infection in the pathogenesis of PHIV comorbidities in Africa.


Assuntos
Infecções por Citomegalovirus , Citomegalovirus/genética , DNA Viral/sangue , Infecções por HIV , Adolescente , Contagem de Linfócito CD4 , Criança , Doença Crônica , Infecções por Citomegalovirus/complicações , Infecções por Citomegalovirus/epidemiologia , Infecções por Citomegalovirus/virologia , Feminino , Transtornos do Crescimento , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Infecções por HIV/transmissão , Humanos , Transmissão Vertical de Doenças Infecciosas , Pneumopatias/complicações , Pneumopatias/epidemiologia , Pneumopatias/virologia , Masculino , Prevalência , Estudos Prospectivos
12.
Clin Infect Dis ; 66(2): 274-281, 2018 01 06.
Artigo em Inglês | MEDLINE | ID: mdl-29020237

RESUMO

Background: Chronic respiratory symptoms are common among children living with human immunodeficiency virus (HIV). We investigated the radiological features of chronic lung disease in children aged 6-16 years receiving antiretroviral therapy for ≥6 months in Harare, Zimbabwe. Methods: Consecutive participants from a HIV clinic underwent clinical assessment and chest radiography. Participants with an abnormal chest radiograph (assessed by a clinician) and/or those meeting a clinical case definition for chronic lung disease underwent high-resolution computed tomography (HRCT). Radiological studies were scored independently and blindly by 2 thoracic radiologists. Relationships between radiological abnormalities and lung function were examined. Results: Among 193 participants (46% female; median age, 11.2 years; interquartile range, 9.0-12.8 years), the median CD4 cell count was 720/µL (473-947/µL), and 79% had a human immunodeficiency virus (HIV) load of <400 copies/mL. The most common chest radiographic finding was ring/tramline opacities (55 of 193 participants; 29%). HRCT scans were evaluated in 84 participants (69%); decreased attenuation (present in 43%) was the dominant abnormality seen. The extent of decreased attenuation was strongly correlated with both the severity and extent of bronchiectasis (rs = 0.68 and P < .001 for both). The extent of decreased attenuation was also negatively correlated with forced expiratory volume in first second of expiration (rs = -0.52), forced vital capacity (rs = -0.42), and forced expiratory flow, midexpiratory phase (rs = -0.42) (P < .001 for all). Conclusions: The HRCT findings strongly suggest that obliterative bronchiolitis may be the major cause of chronic lung disease in our cohort. Further studies to understand the pathogenesis and natural history are urgently needed.


Assuntos
Bronquiolite/epidemiologia , Bronquiolite/patologia , Infecções por HIV/complicações , Doença Pulmonar Obstrutiva Crônica/epidemiologia , Doença Pulmonar Obstrutiva Crônica/patologia , Radiografia Torácica , Tomografia Computadorizada por Raios X , Adolescente , Antirretrovirais/uso terapêutico , Criança , Feminino , Infecções por HIV/tratamento farmacológico , Humanos , Masculino , Inquéritos e Questionários , Zimbábue/epidemiologia
13.
Trop Med Int Health ; 23(2): 149-155, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29160948

RESUMO

OBJECTIVE: Increasing numbers of children with HIV are surviving to adolescence and encountering multiple clinical and social consequences of long-standing HIV infection. We aimed to investigate the association between HIV and disability, social functioning and school inclusion among 6- to 16-year-olds in Zimbabwe. METHODS: HIV-infected children receiving antiretroviral therapy from a public-sector HIV clinic and HIV-uninfected children attending primary care clinics in the same catchment area were recruited. Standardised questionnaires were used to collect socio-demographic, social functioning and disability data. Multivariable logistic regression was used to assess the relationship between HIV status and disability and functioning. RESULTS: We recruited 202 HIV-infected and 285 HIV-uninfected children. There was no difference in age and gender between the two groups, but a higher proportion of HIV-infected children were orphaned. The prevalence of any disability was higher in HIV-infected than uninfected children (37.6% vs. 18.5%, P < 0.001). HIV-infected children were more likely to report anxiety (adjusted odds ratio (aOR) 4.4; 95% CI 2.4, 8.1), low mood (aOR 4.2; 2.1, 8.4) and difficulty forming friendships (aOR 14.8; 1.9, 116.6) than uninfected children. Children with HIV also reported more missed school days, repeating a school year and social exclusion in class. These associations remained apparent when comparing children with HIV and disability to those with HIV but no disabilities. CONCLUSIONS: Children with HIV commonly experience disabilities, and this is associated with social and educational exclusion. Rehabilitation and support services are needed to facilitate educational attainment and social participation in this group.


Assuntos
Comportamento Infantil/psicologia , Crianças com Deficiência/psicologia , Infecções por HIV/psicologia , Distância Psicológica , Qualidade de Vida/psicologia , Adolescente , Antirretrovirais/uso terapêutico , Atitude Frente a Saúde , Criança , Desenvolvimento Infantil , Feminino , Infecções por HIV/tratamento farmacológico , Humanos , Masculino , Comportamento Social , Zimbábue
14.
AIDS Care ; 30(7): 903-909, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29494218

RESUMO

Caregivers mediate children's access to HIV care and their adherence to treatment. Support for caregivers may improve health outcomes in children, but fear of HIV stigma and discrimination can affect both uptake and delivery of support services. Within a trial evaluating community-based support for caregivers of newly HIV diagnosed children in Harare, Zimbabwe, we conducted a longitudinal qualitative study to explore how stigma affected delivery and acceptance of the intervention. We conducted semi-structured interviews with 36 caregivers, 15 children, and 20 community health workers (CHWs). Children and caregivers described experiencing or witnessing stigma and discrimination, causing some to resist home visits by CHWs. Anxiety around stigma made it difficult for CHWs to promote key messages. In response, CHWs adapted the intervention by meeting caregivers outside the home, pretending to be friends or relatives, and proactively counteracting stigmatising beliefs. As members of local communities, some CHWs shared concerns about discrimination. HIV stigma can hinder "getting a foot over the threshold" in community-based programmes, particularly for households most affected by discrimination and thus least likely to engage with services. For community support programmes to be effective, stigma-related resistance should be addressed from the outset, including CHWs' own concerns regarding HIV stigma.


Assuntos
Saúde da Criança , Serviços de Saúde Comunitária/organização & administração , Medo , Infecções por HIV/terapia , Estigma Social , Cuidadores , Criança , Feminino , Humanos , Estudos Longitudinais , Masculino , Pesquisa Qualitativa , Zimbábue
15.
AIDS Care ; 30(7): 830-835, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29397759

RESUMO

Increasing numbers of children with HIV are surviving to adolescence and beyond, many of whom are orphaned. Disclosure of childrens' and adolescents' HIV status has been shown to improve adherence and retention in HIV treatment programmes. We investigated caregiving arrangements and intra-familial experience of HIV and its relationship to HIV disclosure to older children and adolescents. Children aged 6-15 years, newly diagnosed with HIV infection or previously diagnosed but not engaged in HIV care, were recruited from seven primary care clinics in Harare, Zimbabwe. Their caregivers responded to a nurse-led questionnaire. Family history of HIV, disclosure of HIV status to the child and reasons for non-disclosure were ascertained. The association between sociodemographics, caregiving, family HIV history and other characteristics and non-disclosure of HIV status to the child was determined using univariate and multivariate logistic regression. We recruited 385 participants, median age = 11 years (IQR: 9-13); 52% were female. Disclosure had occurred in 79% of children aged 11-15 years and 19% of children aged 6-10 years. Age under 11 years (adjusted OR [aOR] = 18.89, 95% confidence interval [CI] = 10.64-33.55; p < 0.001), being male [aOR]= 2.56, 95% CI = 1.49-4.54; p = 0.001, being unaware of the parents' HIV status [aOR]= 32.42, 95% CI = 13.19-79.71; p < 0.001, and being newly diagnosed [aOR]= 2.52, 95% CI = 1.29-4.91; p = 0.007, were independently associated with non-disclosure. Disclosure outside of the family occurred infrequently and included friends of family (7%), school teacher (8%), school headmaster (4%) and church pastor (6%). High non-disclosure rates were present as well as a lack of discussion about HIV within the family. Disclosure outside of family was low reflecting difficulty in caregivers' ability to discuss HIV with their child or surrounding community. HIV programmes need to support families in the disclosure process.


Assuntos
Família/psicologia , Infecções por HIV/psicologia , Adolescente , Adulto , Cuidadores , Criança , Estudos Transversais , Revelação , Feminino , Infecções por HIV/tratamento farmacológico , Humanos , Modelos Logísticos , Masculino , Cooperação do Paciente , Estudos Prospectivos , Inquéritos e Questionários , Zimbábue
16.
PLoS Med ; 14(7): e1002360, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-28742829

RESUMO

BACKGROUND: Children living with HIV who are not diagnosed in infancy often remain undiagnosed until they present with advanced disease. Provider-initiated testing and counselling (PITC) in health facilities is recommended for high-HIV-prevalence settings, but it is unclear whether this approach is sufficient to achieve universal coverage of HIV testing. We aimed to investigate the change in community burden of undiagnosed HIV infection among older children and adolescents following implementation of PITC in Harare, Zimbabwe. METHODS AND FINDINGS: Over the course of 2 years (January 2013-January 2015), 7 primary health clinics (PHCs) in southwestern Harare implemented optimised, opt-out PITC for all attendees aged 6-15 years. In February 2015-December 2015, we conducted a representative cross-sectional survey of 8-17-year-olds living in the 7 communities served by the study PHCs, who would have had 2 years of exposure to PITC. Knowledge of HIV status was ascertained through a caregiver questionnaire, and anonymised HIV testing was carried out using oral mucosal transudate (OMT) tests. After 1 participant taking antiretroviral therapy was observed to have a false negative OMT result, from July 2015 urine samples were obtained from all participants providing OMTs and tested for antiretroviral drugs to confirm HIV status. Children who tested positive through PITC were identified from among survey participants using gender, birthdate, and location. Of 7,146 children in 4,251 eligible households, 5,486 (76.8%) children in 3,397 households agreed to participate in the survey, and 141 were HIV positive. HIV prevalence was 2.6% (95% CI 2.2%-3.1%), and over a third of participants with HIV were undiagnosed (37.7%; 95% CI 29.8%-46.2%). Similarly, among the subsample of 2,643 (48.2%) participants with a urine test result, 34.7% of those living with HIV were undiagnosed (95% CI 23.5%-47.9%). Based on extrapolation from the survey sample to the community, we estimated that PITC over 2 years identified between 18% and 42% of previously undiagnosed children in the community. The main limitation is that prevalence of undiagnosed HIV was defined using a combination of 3 measures (OMT, self-report, and urine test), none of which were perfect. CONCLUSIONS: Facility-based approaches are inadequate in achieving universal coverage of HIV testing among older children and adolescents. Alternative, community-based approaches are required to meet the Joint United Nations Programme on HIV/AIDS (UNAIDS) target of diagnosing 90% of those living with HIV by 2020 in this age group.


Assuntos
Infecções por HIV/epidemiologia , Aceitação pelo Paciente de Cuidados de Saúde , Adolescente , Criança , Aconselhamento/estatística & dados numéricos , Estudos Transversais , Feminino , Infecções por HIV/diagnóstico , Infecções por HIV/virologia , Humanos , Masculino , Programas de Rastreamento/estatística & dados numéricos , Prevalência , Atenção Primária à Saúde/estatística & dados numéricos , Zimbábue/epidemiologia
17.
Semin Neurol ; 34(1): 47-60, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-24715488

RESUMO

Cryptococcal meningitis remains one of the leading causes of morbidity and mortality among immunosuppressed individuals, particularly those with advanced acquired immunodeficiency syndrome. The greatest burden of disease is in sub-Saharan Africa and Asia where there is limited access to diagnostics and treatment for the disease. The authors review the available tools for diagnosing cryptococcal meningitis and review treatment for cryptococcal meningitis, highlighting the evidence behind current treatment guidelines.


Assuntos
HIV/patogenicidade , Meningite Criptocócica/diagnóstico , Meningite Criptocócica/terapia , Humanos
18.
AIDS ; 38(6): 853-863, 2024 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-37991523

RESUMO

OBJECTIVES: To determine how muscle strength, power, mass, and density (i.e. quality) differ between children living with HIV (CWH) and those uninfected, and whether antiretroviral therapy (ART) regime is associated with muscle quality. DESIGN: A cross-sectional study in Harare, Zimbabwe. METHODS: The study recruited CWH aged 8-16 years, taking ART for at least 2 years, from HIV clinics, and HIV-uninfected children from local schools. Muscle outcomes comprised grip strength measured by hand-held Jamar dynamometer, lower limb power measured by standing long-jump distance, lean mass measured by dual-energy X-ray absorptiometry, and muscle density (reflecting intramuscular fat) by peripheral quantitative computed tomography. Linear regression calculated adjusted mean differences (aMD) by HIV status. RESULTS: Overall, 303 CWH and 306 without HIV, had mean (SD) age 12.5 (2.5) years, BMI 17.5 (2.8), with 50% girls. Height and fat mass were lower in CWH, mean differences (SE) 7.4 (1.1) cm and 2.7 (0.4)kgs, respectively. Male CWH had lower grip strength [aMD 2.5 (1.1-3.9) kg, P  < 0.001], long-jump distance [7.1 (1.8-12.5) cm, P  = 0.006], muscle density [0.58 (0.12-1.05) mg/cm 3 , P  = 0.018, but not lean mass 0.06 (-1.08 to 1.21) kg, P  = 0.891) versus boys without HIV; differences were consistent but smaller in girls. Mediation analysis suggested the negative effect of HIV on jumping power in boys was partially mediated by muscle density ( P  = 0.032). CWH taking tenofovir disoproxil fumarate (TDF) had lower muscle density [0.56 (0.00-1.13)mg/cm 3 , P  = 0.049] independent of fat mass, than CWH on other ART. CONCLUSION: Perinatally acquired HIV is associated, particularly in male individuals, with reduced upper and lower limb muscle function, not mass. Intra-muscular fat (poorer muscle quality) partially explained reductions in lower limb function. TDF is a novel risk factor for impaired muscle quality.


Assuntos
Infecções por HIV , Criança , Gravidez , Feminino , Humanos , Masculino , Adolescente , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Densidade Óssea , Estudos Transversais , Zimbábue/epidemiologia , Tenofovir/farmacologia , Absorciometria de Fóton , Músculos
19.
PLOS Glob Public Health ; 4(1): e0002328, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38190397

RESUMO

Health workers are essential for a functioning healthcare system, and their own health is often not addressed. During the COVID-19 pandemic health workers were at high risk of SARS-CoV-2 infection whilst coping with increased healthcare demand. Here we report the development, implementation, and uptake of an integrated health check combining SARS-CoV-2 testing with screening for other communicable and non-communicable diseases for health workers in Zimbabwe during the COVID-19 pandemic. Health checks were offered to health workers in public and private health facilities from July 2020 to June 2022. Data on the number of health workers accessing the service and yield of screening was collected. Workshops and in-depth interviews were conducted to explore the perceptions and experiences of clients and service providers. 6598 health workers across 48 health facilities accessed the service. Among those reached, 5215 (79%) were women, the median age was 37 (IQR: 29-44) years and the largest proportion were nurses (n = 2092, 32%). 149 (2.3%) healthcare workers tested positive for SARS-CoV-2. Uptake of screening services was almost 100% for all screened conditions except HIV. The most common conditions detected through screening were elevated blood pressure (n = 1249; 19%), elevated HbA1c (n = 428; 7.7%) and common mental disorder (n = 645; 9.8%). Process evaluation showed high acceptability of the service. Key enablers for health workers accessing the service included free and comprehensive service provision, and availability of reliable point-of-care screening methods. Implementation of a comprehensive health check for health workers was feasible, acceptable, and effective, even during a pandemic. Conventional occupational health programmes focus on infectious diseases. In a society where even health workers cannot afford health care, free comprehensive occupational health services may address unmet needs in prevention, diagnosis, and treatment for chronic non-communicable conditions.

20.
J Adolesc Health ; 72(1): 118-125, 2023 01.
Artigo em Inglês | MEDLINE | ID: mdl-36243558

RESUMO

PURPOSE: HIV self-testing allows youth to access testing outside of healthcare facilities. We investigated the feasibility of peer distribution of HIV self-testing (HIVST) kits to youth aged 16-24 years and examined the factors associated with testing off-site rather than at distribution points. METHODS: From July 2019 to March 2020, HIVST kits were distributed on 12 tertiary education campuses throughout Zimbabwe. Participants chose to test at the HIVST distribution point or off-site. Factors associated with choosing to test off-site and factors associated with reporting a self-test result for those who tested off-site were investigated using logistic regression. RESULTS: In total, 5,351 participants received an HIVST kit, over 129 days, of whom 3,319 (62%) tested off-site. The median age of recipients was 21 years (interquartile range 20-23); 64% were female. Overall, 2,933 (55%) returned results, 23 (1%) of which were reactive. Being female (adjusted odds ratio [aOR] 1.16, 95% confidence interval [CI] 1.03-1.31), living on campus (aOR 1.24, 95% CI 1.09-1.40), used a condom at last sex (aOR 1.44, 95% CI 1.26-1.65), and previous knowledge of HIVST (aOR 1.22, 95% CI 1.09-1.37) were associated with off-site testing. Attending a vocational college and teachers training college compared to a university was associated with choosing to return results for those who tested off-site (OR 2.40, 95% CI 1.65-3.48, p < .001). DISCUSSION: HIVST distribution is an effective method of reaching a large number of youth over a short period of time. Efforts to increase awareness and roll out of HIVST on campuses should be coupled with support for linkage to HIV prevention and treatment services.


Assuntos
Infecções por HIV , Autoteste , Adolescente , Feminino , Humanos , Adulto Jovem , Adulto , Masculino , HIV , Zimbábue , Universidades , Autocuidado/métodos , Teste de HIV , Infecções por HIV/prevenção & controle , Programas de Rastreamento/métodos
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