sub‐Saharan Africa

  • 文章类型: Journal Article
    乳腺癌是迄今为止在毛里求斯发病率和死亡率方面的主要癌症,小岛屿发展中国家。然而,很少有研究按年龄评估其存活率,诊断阶段和分子亚型。我们在中央卫生实验室确定了2017年至2020年间新诊断的1399例乳腺癌病例。维多利亚医院癌症分为五种分子亚型:(1)管腔A,(2)管腔BHer2阴性,(3)管腔BHer2阳性,(4)Her2富集,(5)三阴性。估计了不同年龄组的净1年和3年生存率,诊断时的分期和分子亚型。我们还使用多变量Cox比例风险模型估计了超额风险。虽然诊断的早期阶段(1期[44.4%]和2期[20.1%])与晚期表现(3期[25.4%]和4期[10.1%])相比最为常见,管腔BHer2阴性(36.7%)是最常见的分子亚型。乳腺癌的1年和3年生存率分别为93.9%(92.3-95.4)和83.4%(80.4-86.4),分别。乳腺癌三年生存率在最年轻的患者中最差(<50岁),77.1%(70.7-83.5),那些诊断为4期(28.5%[17.1-39.9])和三阴性分子亚型癌症(71.3%[63.3-79.3])的患者。强调国家乳腺癌筛查计划,在毛里求斯,诊断时降低乳腺癌分期和所有乳腺组织的系统分子亚型分型可能是改善乳腺癌生存结局的关键.
    Breast cancer is by far the leading cancer both in terms of incidence and mortality in the Republic of Mauritius, a Small Island Developing State (SIDS). However, few studies assessed its survival by age, stage at diagnosis and molecular subtype. We identified 1399 breast cancer cases newly diagnosed between 2017 and 2020 at the Central Health Laboratory, Victoria Hospital. Cancers were categorized into five molecular subtypes: (1) luminal A, (2) luminal B Her2 negative, (3) luminal B Her2 positive, (4) Her2 enriched and (5) Triple negative. The net 1 and 3-year survival were estimated for different age groups, staging at time of diagnosis and molecular subtype. We also estimated the excess hazards using a multivariate Cox proportional hazards model. While early stage at diagnosis (stage 1 [44.4%] and stage 2 [20.1%]) were most common compared to late presentation (Stage 3 [25.4%] and stage 4 [10.1%]), luminal B Her2 negative (36.7%) was the most frequent molecular subtype. The net 1- and 3-year breast cancer survival rates were 93.9% (92.3-95.4) and 83.4% (80.4-86.4), respectively. Breast cancer three-year survival rates were poorest among the youngest patients (<50 years), 77.1% (70.7-83.5), those diagnosed with stage 4 (28.5% [17.1-39.9]) and cancer with a triple negative molecular subtype (71.3% [63.3-79.3]). Emphasis on a national breast cancer screening programme, down staging breast cancer at diagnosis and systematic molecular subtyping of all breast tissues could be pivotal in improving breast cancer survival outcomes in the Republic of Mauritius.
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  • 文章类型: Journal Article
    背景:HIV感染者(PLWH)的非传染性共病(NCDs)发病率高于无HIV感染者。在非洲队列研究(AFRICOS)中,我们对具有无法检测到的病毒载量和持续低水平病毒血症(pLLV)的PLWH中的非传染性疾病风险进行了表征。我们再次量化了免疫激活在LLV和NCDs之间的关联中的作用。
    方法:AFRICOS招募乌干达12个诊所的参与者,肯尼亚,坦桑尼亚和尼日利亚。纳入接受抗逆转录病毒治疗≥6个月且无NCD的参与者。PLLV被定义为至少两次连续访问,其中可检测的病毒载量<1000拷贝/ml。我们检查了血压升高,高胆固醇血症,高血糖症,肾功能不全和任何非传染性疾病的复合变量。使用Cox比例风险模型估计风险比(HR)和95%置信区间(CI)。在具有生物标志物数据的参与者的子集中,我们评估了与任何非传染性疾病相关的病毒载量和13种生物标志物之间的相互作用.
    结果:从2013年1月23日至2022年12月1日,1755名参与者符合这些分析的纳入标准。在第一次符合条件的访问中,大多数参与者检测不到病毒载量(n=1375,78.35%).与未检测到病毒载量的参与者相比,pLLV参与者发生任何NCD的比率增加(aHR:1.22,95%CI:1.02-1.47)。LLV和TNF-α之间存在统计学上显著的相互作用,CCL2/MCP-1和TNF-RII与任何NCD相关。
    结论:PLLV与该人群的非传染性疾病和免疫炎症显著相关。对LLV的积极管理可能会对PLWH的非传染性疾病产生积极影响。
    BACKGROUND: People living with HIV (PLWH) have higher rates of non-infectious comorbid diseases (NCDs) than individuals without HIV. We characterized the risk of NCDs among PLWH with undetectable viral load and persistent low-level viraemia (pLLV) in the African Cohort Study (AFRICOS). We secondarily quantified the role of immune activation in the association between LLV and NCDs.
    METHODS: AFRICOS enrols participants in 12 clinics in Uganda, Kenya, Tanzania and Nigeria. Participants on antiretroviral therapy ≥ 6 months without an NCD at enrolment were included. PLLV was defined as at least two consecutive visits with a detectable viral load <1000 copies/ml. We examined elevated blood pressure, hypercholesterolemia, hyperglycaemia, renal insufficiency and a composite variable of any NCD. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox proportional hazard modelling. Among a subset of participants with biomarker data, we assessed the interaction between viral load and 13 biomarkers in the association with any NCD.
    RESULTS: From 23 January 2013 to 1 December 2022, 1755 participants met the inclusion criteria for these analyses. At the first eligible visit, the majority of participants had an undetectable viral load (n = 1375, 78.35%). Participants with pLLV had an increased rate of developing any NCD (aHR: 1.22, 95% CI: 1.02-1.47) compared to participants with an undetectable viral load. There was a statistically significant interaction between LLV and TNF-α, CCL2/MCP-1 and TNF-RII in the association with any NCD.
    CONCLUSIONS: PLLV was significantly associated with NCDs and immune inflammation in this population. Aggressive management of LLV may positively impact NCDs in PLWH.
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  • 文章类型: Journal Article
    气候变化正在以多种方式影响人类生活的许多方面。在加纳,气候变化知识仍然很低,将气候变化和健康联系起来的讨论也很少。在本文中,作者致力于塑造有关气候和健康的讨论,重点是气候变化如何增加某些疾病。首先,该论文解决了加纳社区研究将气候变化与健康联系起来的需求。第二,该文件建议制定政策来解决这一联系。第三,本文建议公共卫生教育工作者对公众进行教育。
    Climate change is impacting many aspects of human life in many ways. In Ghana, climate change knowledge remains low and discussions linking climate change and health are scarce. In this paper, authors contribute to the shaping of discussions about climate and health with a focus on how climate change increases certain ailments. First, the paper addresses the need for research in Ghanaian communities to link climate change and health. Second, the paper suggests the development of policies to address the link. Third, public health educators are advised in this paper to educate the public.
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  • 文章类型: Journal Article
    背景:不良事件评估是创伤质量改善(QI)的基本组成部分,有助于纠正护理中的系统性问题。尽管喀麦隆与伤害有关的死亡率很高,根据我们的知识,QI的机会尚未得到正式评估。因此,对喀麦隆创伤患者的不良事件进行了正式审查,作为确定系统修改目标的第一步.
    方法:成立了由喀麦隆四家医院的多学科专家组成的QI委员会,以审查2019年至2021年创伤患者的不良事件,包括死亡。在新成立的发病率和死亡率会议和委员会会议上讨论了事件,以确定影响因素和总体可预防性。
    结果:在50次会议中,审查了95起不良事件,包括58例死亡(61%)。其他不良事件包括诊断/治疗延迟(22%)和手术部位感染(17%)。总的来说,34例死亡(59%)被归类为可预防的,21%可能可以预防,21%不能预防。46例可预防或潜在可预防的死亡中有一半(52%)发生在急诊科(ED);而脑损伤(57%),呼吸衰竭(41%),出血(39%)是与死亡率相关的最常见的生理因素.确定的补充因素包括缺乏结构化的患者管理方法,缺乏对人员的持续培训,和当地适应的协议。
    结论:在评估和管理急诊室危及生命的问题方面的基本改进可以显着降低整个喀麦隆可预防的创伤相关死亡率。可在低资源环境中使用正式的创伤QI方法来确定死亡率的根本原因并确定干预目标。
    BACKGROUND: Adverse events reviews are a fundamental component of trauma quality improvement (QI) that facilitate the correction of systemic issues in care. Although injury-related mortality in Cameroon is substantial, to our knowledge, opportunities for QI have not been formally assessed. Thus, a formal review of adverse events in Cameroonian trauma patients was implemented as a first step toward identifying targets for systems modification.
    METHODS: A QI committee composed of multidisciplinary experts at four hospitals in Cameroon was formed to review adverse events including deaths among trauma patients from 2019 to 2021. Events were discussed at newly established morbidity and mortality conferences and committee meetings to identify contributing factors and overall preventability.
    RESULTS: During 50 meetings, 95 adverse events were reviewed, including 58 deaths (61%). Other adverse events were delays in diagnosis/treatment (22%) and surgical site infections (17%). Overall, 34 deaths (59%) were classified as preventable, 21% potentially preventable, and 21% not preventable. Over half (52%) of the 46 preventable or potentially preventable deaths occurred in the emergency department (ED); while brain injury (57%), respiratory failure (41%), and hemorrhage (39%) were the most frequent physiologic factors associated with mortality. Contributory factors identified include lack of a structured approach to patient management, absence of continuous training for personnel, and locally adapted protocols.
    CONCLUSIONS: Basic improvements in evaluation and management of life-threatening issues in the ED can significantly reduce the high rate of preventable trauma-related deaths across Cameroon. Formal trauma QI methods can be utilized in low-resource environments to determine mortality root causes and identify intervention targets.
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  • 文章类型: Journal Article
    表征初潮的时间和与之相关的因素对于了解人口的生殖健康需求和长期健康轨迹很重要。我们估计了四个撒哈拉以南非洲城市地区青春期女孩的月经年龄以及饮食和营养因素与月经初潮之间的关系。我们使用了非洲研究所收集的2307名10-14岁女性青少年的横断面学校数据,实施科学,瓦加杜古的教育和网络,布基纳法索;亚的斯亚贝巴,埃塞俄比亚;喀土穆,苏丹;达累斯萨拉姆,坦桑尼亚。Logit模型用于估计每个站点的初潮年龄中位数。月经初潮与年龄BMI之间的关联,发育迟缓,使用根据国家和学校水平调整的Poisson回归模型评估了不同地区的饮食质量和食品不安全状况.瓦加杜古的估计初潮年龄中位数为13.1岁(95%置信区间:12.7、13.5);亚的斯亚贝巴为12.9岁(12.6、13.2);喀土穆为13.3岁(12.7、13.6);达累斯萨拉姆为13.2岁(12.3、14.0)。在每个环境中,有18%至49%的女孩已经月经。基于合并的多变量模型,与体重正常的个体相比,体重不足的参与者出现月经初潮的可能性(调整后的患病率比[PR]0.58[0.44,0.77])低42%.与正常体重的女孩相比,超重[PR1.47(1.30,1.66)]和肥胖[PR1.57(1.35,1.82)]的初潮可能性增加。与未发育迟缓的人相比,发育迟缓的人经历初潮[PR0.53(0.41,0.69)]的可能性要低47%。与没有/很少饥饿的人相比,经历中度/重度饥饿的人初潮的可能性较低(PR0.78[0.63,0.96])。没有发现与饮食质量相关的证据。需要进一步的研究来加强证据体系,并为低收入和中等收入环境中基于证据的举措提供信息。
    Characterizing the timing of menarche and the factors that are associated with it is important for understanding a population\'s reproductive health needs and long-term health trajectories. We estimated the age at the menstrual onset among adolescent girls and the association between dietary and nutritional factors and menarche in four sub-Saharan African urban sites. We used cross-sectional school-based data from 2307 female adolescents aged 10-14 years collected by the Africa Research, Implementation Science, and Education (ARISE) Network in Ouagadougou, Burkina Faso; Addis Ababa, Ethiopia; Khartoum, Sudan; and Dar es Salaam, Tanzania. Logit models were used to estimate the median age at menarche at each site. Associations between menarche and BMI-for-age, stunting, dietary quality and food insecurity across settings were assessed using Poisson regression models adjusted for country and school levels. The estimated median age at menarche was 13.1 years (95% confidence interval: 12.7, 13.5) in Ouagadougou; 12.9 (12.6, 13.2) in Addis Ababa; 13.3 (12.7, 13.6) in Khartoum; and 13.2 (12.3, 14.0) in Dar es Salaam. Between 18% and 49% of the girls in each setting had already menstruated. Based on the pooled multivariable models, underweight participants were 42% less likely (adjusted prevalence ratio [PR] 0.58 [0.44, 0.77]) to have experienced menarche in comparison to normal-weight individuals. The likelihood of experiencing menarche increased for overweight [PR 1.47 (1.30,1.66)] and obese [PR 1.57 (1.35,1.82)] in comparison to normal-weight girls. Those stunted were 47% less likely to have experienced menarche [PR 0.53 (0.41, 0.69)] than their nonstunted counterparts. A lower likelihood of menarche among those experiencing moderate/severe hunger when compared to those with no/little hunger was also observed (PR 0.78 [0.63,0.96]). No evidence of association with dietary quality was found. Further research is needed to strengthen the body of evidence and inform evidence-based initiatives in low- and middle-income settings.
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  • 文章类型: Journal Article
    背景:确定提供艾滋病毒预防以满足高危人群需求的最佳方法是当务之急,特别是考虑到生物医学艾滋病毒预防选择的扩展工具包。东非农村社区正在进行的一项研究评估了产品选择的吸收,通过结构化的以患者为中心的HIV预防交付模型,测试护理交付模式和位置。在这项定性研究中,我们试图了解客户对这种“动态选择预防模型”(DCP)的经验,并强调为HIV预防提供模型提供信息的行动途径。
    方法:从2021年11月至2022年3月进行了深入的半结构化访谈,有目的地选择了n=56名DCP试验参与者的样本(跨门诊部,产前诊所和社区环境),n=21名医疗保健提供者(总共n=77)。一个由七人组成的多区域团队翻译和归纳编码成绩单数据。我们使用框架分析方法来识别紧急主题。
    结果:接受HIV暴露前预防(PrEP)的个体报告了缓解的感觉,从对感染艾滋病毒的恐惧中解放出来,并对能够采取行动感到满意,尽管有伴侣的行为。夫妇使用了该研究提供的一系列方法来说服合作伙伴进行测试并选择PrEP。暴露后预防(PEP)的使用不太常见,尽管在性胁迫或性侵犯的情况下,女性对此表示欢迎。参与者在熟悉用法并确定持续风险后,讨论了从PEP切换到PrEP的问题。参与者感到受到提供者的尊重,信任他们,并感谢能够直接与他们联系以获得电话支持。预防吸收受到耻辱的阻碍,对预防方法的经验和知识有限,亲密伙伴关系和家庭中的性别和代际权力动态,以及产品本身对方法的负面看法。参与者预计长效可注射PrEP可以解决他们在药丸大小方面的挑战,每日药丸负担和不必要披露的可能性。
    结论:采取预防的不同偏好和障碍需要选择艾滋病毒预防方案,地点和交付方式--但除此之外,灵活,称职和友好的护理提供对促进吸收至关重要。帮助客户感受到价值,解决他们独特的需求和挑战,使他们的机构能够优先考虑他们的健康。
    BACKGROUND: Identifying the optimal approaches to offering HIV prevention to meet the needs of those at risk is a high priority, particularly given the expanding toolkit of biomedical HIV prevention options. An ongoing study in rural East African communities evaluated the uptake of choices in product, testing mode and location of care delivery through a structured patient-centred HIV prevention delivery model. In this qualitative study, we sought to understand clients\' experiences of this \"dynamic choice prevention model\" (DCP) and highlight pathways of action to inform HIV prevention delivery models.
    METHODS: In-depth semi-structured interviews were conducted from November 2021 through March 2022 with a purposively selected sample of n = 56 participants in DCP trials (across outpatient departments, antenatal clinics and community settings), and n = 21 healthcare providers (total n = 77). A seven-person multi-regional team translated and inductively coded transcript data. We used a framework analysis approach to identify emergent themes.
    RESULTS: Individuals taking up HIV pre-exposure prophylaxis (PrEP) reported feelings of relief, liberation from fears of acquiring HIV and satisfaction with being able to take action despite partners\' behaviours. Couples used a range of approaches afforded by the study to persuade partners to get tested and opt for PrEP. Post-exposure prophylaxis (PEP) use was less common, although women welcomed it in the event of sexual coercion or assault. Participants discussed switching from PEP to PrEP after familiarizing themselves with usage and ascertaining ongoing risk. Participants felt respected by providers, trusted them and appreciated being able to contact them directly for telephone support. Prevention uptake was hindered by stigma, limited experience with and knowledge of prevention methods, gendered and generational power dynamics within intimate partnerships and families, and negative perceptions of methods due to the products themselves. Participants anticipated long-acting injectable PrEP could solve their challenges regarding pill size, daily pill burden and the likelihood of unwanted disclosure.
    CONCLUSIONS: Diverse preferences and barriers to uptake of prevention require a choice of HIV prevention options, locations and delivery modalities-but in addition, flexible, competent and friendly care provision is crucial to promote uptake. Helping clients feel valued, and addressing their unique needs and challenges, enables their agency to prioritize their health.
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  • 文章类型: Journal Article
    背景:为了消除宫颈癌(CC),必须监测预防和护理服务的获取和质量,特别是对于感染艾滋病毒的妇女(WLHIV)。我们评估了撒哈拉以南非洲(SSA)HIV诊所的实施实践,以确定护理级联中的差距,并使用汇总的患者数据来填充WLHIV参加HIV诊所的级联。
    方法:我们的基于设施的调查于2020年11月至2021年7月在SSA的30家HIV诊所进行,这些诊所参与了国际流行病学数据库评估艾滋病(IeDEA)联盟。我们对CC预防和护理服务进行了定性的现场水平评估,并分析了SSA中WLHIV常规护理的数据。
    结果:33%的地点提供了人乳头瘤病毒(HPV)疫苗接种。CC诊断(42%)和治疗(70%)的转诊很常见,但在大约50%的网站上不是免费的。大多数网站都有电子健康信息系统(90%),但是,在这些站点中,没有常规收集数据以告知监测WLHIV中消除CC的全球目标的指标.仅36%的提供HPV疫苗接种的地点常规收集数据,提供子宫颈筛查的站点的33%和提供癌前和CC治疗的站点的20%。
    结论:尽管在SSA的一些HIV诊所中早已提供了CC预防和护理服务,患者和方案监测需要改进。各国应考虑利用其现有的卫生信息系统,并使用世界卫生组织提供的监测工具,以改善CC预防计划和获取,并跟踪他们在消除CC目标方面的进展。
    BACKGROUND: To eliminate cervical cancer (CC), access to and quality of prevention and care services must be monitored, particularly for women living with HIV (WLHIV). We assessed implementation practices in HIV clinics across sub-Saharan Africa (SSA) to identify gaps in the care cascade and used aggregated patient data to populate cascades for WLHIV attending HIV clinics.
    METHODS: Our facility-based survey was administered between November 2020 and July 2021 in 30 HIV clinics across SSA that participate in the International epidemiology Databases to Evaluate AIDS (IeDEA) consortium. We performed a qualitative site-level assessment of CC prevention and care services and analysed data from routine care of WLHIV in SSA.
    RESULTS: Human papillomavirus (HPV) vaccination was offered in 33% of sites. Referral for CC diagnosis (42%) and treatment (70%) was common, but not free at about 50% of sites. Most sites had electronic health information systems (90%), but data to inform indicators to monitor global targets for CC elimination in WLHIV were not routinely collected in these sites. Data were collected routinely in only 36% of sites that offered HPV vaccination, 33% of sites that offered cervical screening and 20% of sites that offered pre-cancer and CC treatment.
    CONCLUSIONS: Though CC prevention and care services have long been available in some HIV clinics across SSA, patient and programme monitoring need to be improved. Countries should consider leveraging their existing health information systems and use monitoring tools provided by the World Health Organization to improve CC prevention programmes and access, and to track their progress towards the goal of eliminating CC.
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  • 文章类型: Journal Article
    背景:根据科特迪瓦的一项大型观察性急性冠脉综合征登记,我们的目的是评估发病率,临床表现,管理,与1型心肌梗死相比,2型心肌梗死(T2MI)的院内结局。
    结果:我们使用来自阿比让心脏研究所的REACTIV(RegistredesInfarctusdeCouted\Ifo)的数据进行了一项单中心横断面研究。纳入2018年至2022年期间接受冠状动脉造影的所有MI住院患者。对于每个病人来说,社会人口统计数据,心血管危险因素和病史,入院时收集临床和副临床表现。住院结果,包括主要不良心血管事件和死亡率,被报道。在541例连续住院的MI患者中,441符合I型MI或T2MI的定义。T2MI占病例的14.1%。T2MI患者显示出年龄略小的趋势(54岁对58岁,P=0.09)。T2MI患者的冠状动脉疾病似乎不太严重,多支血管疾病发生率较低(P<0.001)。T2MI的主要触发因素为冠状动脉栓塞(24.2%),重度高血压伴或不伴左心室肥厚(22.6%),和快速性心律失常(16.1%)。两种MI类型的院内事件发生率均较低。虽然差异不显著,1型MI患者的死亡率往往高于T2MI患者,以及主要不良心血管事件的发生。
    结论:我们的研究揭示了临床特征的差异,血管造影特征,cause,与西方人群相比,我们人群中T2MI的院内结局。这些结果表明T2MI的异质性以及取决于地理区域的潜在病因和人口统计学变异性。
    BACKGROUND: From a large observational acute coronary syndrome registry in Côte d\'Ivoire, we aimed to assess incidence, clinical presentation, management, and in-hospital outcomes for type 2 myocardial infarction (T2MI) compared with type 1 MI.
    RESULTS: We conducted a cross-sectional monocentric study using data from REACTIV (Registre des Infarctus de Côte d\'Ivoire) at the Abidjan Heart Institute. All patients hospitalized with MI between 2018 and 2022 who underwent coronary angiography were included. For each patient, sociodemographic data, cardiovascular risk factors and history, and clinical and paraclinical presentation were collected at admission. In-hospital outcomes, including major adverse cardiovascular events and mortality, were reported. Among 541 consecutive patients hospitalized with MI, 441 met the definition of type 1 MI or T2MI. T2MI accounted for 14.1% of cases. Patients with T2MI showed a trend toward slightly younger age (54 versus 58 years, P=0.09). Patients with T2MI seemed to have less severe coronary artery disease, with less frequent multivessel disease (P<0.001). Main triggering factors for T2MI were coronary embolism (24.2%), severe hypertension with or without left ventricular hypertrophy (22.6%), and tachyarrhythmia (16.1%). In-hospital event rates were low in both MI types. Although the difference was nonsignificant, death rates for patients with type 1 MI tended to be higher than for patients with T2MI, as well as occurrence of major adverse cardiovascular events.
    CONCLUSIONS: Our study revealed disparities in clinical characteristics, angiographic features, cause, and in-hospital outcomes in T2MI in our population compared with Western populations. These results suggest the heterogeneity of T2MI and the potential causative and demographic variability depending on geographical area.
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  • 文章类型: Journal Article
    背景:在12周龄之前感染HIV的婴儿开始抗逆转录病毒治疗(ART)可以将死亡风险降低75%。即时护理(POC)诊断测试对于及时启动ART至关重要;但是,尽管它的可用性,在12周龄之前,ART起始率仍然相对较低。这项系统评价描述了12周龄前婴儿开始ART的障碍,尽管有POC。
    方法:本系统综述使用叙述性综合方法。我们使用搜索策略搜索PubMed和Scopus,这些策略结合了关键词“婴儿早期开始接受抗逆转录病毒治疗”的多个变体,“障碍”和“撒哈拉以南非洲”(初始搜索2023年1月18日;最终搜索2023年8月1日)。我们包括定性,观察性和混合方法研究报告了婴儿早期开始对ART的影响。我们排除了报道对预防母婴传播级联的其他组成部分有影响的研究。使用以更新的实施研究综合框架为指导的演绎方法,我们围绕婴儿早期开始接受ART的障碍制定了描述性代码和主题。然后,我们使用该行动为已识别的障碍制定了干预建议,演员,代码中的目标和时间框架。
    结果:在所审查的266篇摘要中,审查了52篇全文论文,其中包括12篇论文。南非的论文大多来自一个国家(n=3),报道最多的研究设计是回顾性的(n=6)。在0-12个月的婴儿中,超过12周的ART开始延迟主要与医疗机构和母亲因素有关。确定的最突出的障碍是POC测试资源不足(包括人力资源、实验室设施和患者随访)。产妇相关因素,如有限的男性参与和母亲对治疗和护理的看法,也有影响力。
    结论:我们确定了卫生系统启动ART的结构性障碍,社会和文化层面。改进了POC测试作业的资源及时分配,加上解决母亲和医疗保健提供者之间社会和行为障碍的干预措施,承诺加强婴儿及时启动ART。
    结论:本文确定了婴儿及时启动ART的障碍并提出了策略。
    BACKGROUND: Antiretroviral therapy (ART) initiation in infants living with HIV before 12 weeks of age can reduce the risk of mortality by 75%. Point-of-care (POC) diagnostic testing is critical for prompt ART initiation; however, despite its availability, rates of ART initiation are still relatively low before 12 weeks of age. This systematic review describes the barriers to ART initiation in infants before 12 weeks of age, despite the availability of POC.
    METHODS: This systematic review used a narrative synthesis methodology. We searched PubMed and Scopus using search strategies that combined terms of multiple variants of the keywords \"early infant initiation on antiretroviral therapy,\" \"barriers\" and \"sub-Saharan Africa\" (initial search 18th January 2023; final search 1st August 2023). We included qualitative, observational and mixed methods studies that reported the influences of early infant initiation on ART. We excluded studies that reported influences on other components of the Prevention of Mother to Child Transmission cascade. Using a deductive approach guided by the updated Consolidated Framework of Implementation Research, we developed descriptive codes and themes around barriers to early infant initiation on ART. We then developed recommendations for interventions for the identified barriers using the action, actor, target and time framework from the codes.
    RESULTS: Of the 266 abstracts reviewed, 52 full-text papers were examined, of which 12 papers were included. South Africa had most papers from a single country (n = 3) and the most reported study design was retrospective (n = 6). Delays in ART initiation beyond 12 weeks in infants 0-12 months were primarily associated with health facility and maternal factors. The most prominent barriers identified were inadequate resources for POC testing (including human resources, laboratory facilities and patient follow-up). Maternal-related factors, such as limited male involvement and maternal perceptions of treatment and care, were also influential.
    CONCLUSIONS: We identified structural barriers to ART initiation at the health system, social and cultural levels. Improvements in the timely allocation of resources for POC testing operations, coupled with interventions addressing social and behavioural barriers among both mothers and healthcare providers, hold a promise for enhancing timely ART initiation in infants.
    CONCLUSIONS: This paper identifies barriers and proposes strategies for timely ART initiation in infants.
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