child mortality

儿童死亡率
  • 文章类型: Journal Article
    自1990年以来,由于医疗保健的改善,全球儿童和婴儿死亡率通常稳定或下降。疫苗接种推广,国际资金。然而,阿富汗仍然面临着全球最高的儿童和婴儿死亡率,每1000名活产中有43人死亡。这项研究旨在研究导致这种高死亡率的因素,并提出解决这一问题的干预措施。
    使用GoogleScholar和PubMed等数据库进行了全面的文献检索,重点关注过去10年(2013-2023年)用英语发表的文章。搜索词包括“儿童死亡率,\"\"婴儿死亡率,\"\"小岛屿发展中国家,\"\"COVID-19,\"和\"阿富汗。\"原始研究,系统评价,案例研究,选择符合纳入标准的报告进行分析.儿童基金会等组织的其他来源,世界银行集团,WHO,和EMRO也进行了审查。
    研究结果揭示了阿富汗婴儿和儿童死亡率居高不下的重大挑战。这些挑战包括出生缺陷,早产,营养不良,婴儿猝死综合征(SIDS),外伤,致命的感染,杀婴,和虐待。持续的冲突,不安全,人道主义危机进一步加剧了局势,导致儿童伤亡人数增加。尽管联合国儿童基金会等国际机构努力提供疫苗和孕产妇教育,婴儿死亡率仍然很高。
    总而言之,阿富汗的儿童和婴儿死亡率令人严重关切,必须采取行动降低儿童和婴儿死亡率。
    UNASSIGNED: Since 1990, global child and infant mortality rates have typically stabilized or decreased due to improved healthcare, vaccination rollouts, and international funding. However, Afghanistan continues to face the highest child and infant mortality rates globally, with 43 deaths per 1000 live births. This study aims to examine the factors contributing to this high mortality rate and propose interventions to address the issue.
    UNASSIGNED: A comprehensive literature search was conducted using databases such as Google Scholar and PubMed, focusing on articles published in English within the last 10 years (2013-2023). The search terms included \"Child mortality,\" \"Infant mortality,\" \"SIDS,\" \"COVID-19,\" and \"Afghanistan.\" Original studies, systematic reviews, case studies, and reports meeting the inclusion criteria were selected for analysis. Additional sources from organizations such as UNICEF, the World Bank Group, WHO, and EMRO were also reviewed.
    UNASSIGNED: The study findings reveal significant challenges contributing to Afghanistan\'s high infant and child mortality rates. These challenges include birth defects, preterm birth, malnutrition, sudden infant death syndrome (SIDS), traumatic injuries, fatal infections, infanticide, and abuse. The ongoing conflict, insecurity, and humanitarian crises further exacerbate the situation, leading to increased child casualties. Despite efforts by international agencies like UNICEF to provide vaccines and maternal education, the infant mortality rate remains high.
    UNASSIGNED: In conclusion, Afghanistan\'s child and infant mortality rates are of significant concern, and it is imperative that action be taken to reduce the incidence of child and infant mortality rates.
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  • 文章类型: Journal Article
    多年来的入学主要是由于可预防的病因,可能的结果是出院,死亡,在医疗建议下转诊或出院。这项研究旨在了解尼日利亚西南部公共三级医疗机构的新生儿儿科入院模式和结果。
    一项为期2年的儿科入院的描述性回顾性研究。关于年龄的信息,性别,从患者病历中提取诊断和结果.数据以数量和百分比表示,使用卡方比较组,P值<0.05被认为是显著的。
    总共有875人入学,在24个月的时间里,男女比例为1.3:1。疟疾,脓毒症,镰状细胞危机,肺炎,咽喉炎和急性水样腹泻是所有入院的六个主要原因。所有入院的死亡率为5.0%,而五岁以下儿童的死亡率为3.9%。其中七百九十九名(91.3%)病人已出院,44人(5.0%)死亡,30例(3.4%)DAMA和2例(0.3%)患者被转诊。
    很大比例的儿童仍然死于可预防和可治疗的疾病。提示寻求健康的行为,让更多的公民参加保险计划,采用新开发的疟疾疫苗将有助于降低儿童死亡率。此外,应鼓励私立医院早期转诊患者,并且儿科医生对败血症的诊断有较高的怀疑指数.
    UNASSIGNED: Admissions over the years have been largely due to preventable aetiologies and the possible outcomes are discharge, death, referral or discharge against medical advice. This study aimed to understand the patterns of postneonatal paediatric admissions and outcomes from a public tertiary health facility in South-West Nigeria.
    UNASSIGNED: A descriptive retrospective study of paediatric admissions over a 2-year period. Information concerning age, sex, diagnosis and outcome were extracted from patients\' medical records. Data was presented in numbers and percentages, Chi-square was used to compare groups and a p-value of <0.05 was accepted as significant.
    UNASSIGNED: There were a total of 875 admissions, over the 24 months period, with a male-female ratio of 1.3:1. Malaria, sepsis, sickle cell crises, pneumonia, pharyngotonsilitis and acute watery diarrhoea constituted the six leading causes of all admissions. The mortality rate for all admissions was 5.0% while the under-five mortality rate was 3.9%. Seven hundred and ninety nine (91.3%) of the admitted patients were discharged, 44 (5.0%) died, 30 (3.4%) DAMA and two (0.3%) patients were referred.
    UNASSIGNED: A large percentage of children still die from preventable and treatable diseases. Prompt health seeking behaviour, enrollment of more citizens on insurance scheme, and adoption of the newly developed malaria vaccine will help reduce child mortality. Also, early referral of patients by private hospitals should be encouraged and paediatricians to have a high index of suspicion for the diagnosis of septicaemia.
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  • 文章类型: Journal Article
    儿童死亡率被认为是人口发展和健康的主要指标之一,而大多数儿童的死亡是可以预防的。这项研究系统地回顾了伊朗儿童死亡率的决定因素。
    进行了这项系统评价,以总结与三个年龄组儿童死亡率相关的所有因素;新生儿(0-28d),婴儿(28d-1岁)和儿童(<5岁),基于PRISMA准则。许多电子国际和国家数据库,除了手工搜索所选文章的参考之外,灰色文学,对正式和非正式报告和政府文件进行了筛选,以确定截至2022年1月的潜在记录。我们纳入了所有确定伊朗任何省份或整个国家儿童死亡率决定因素的研究,没有任何限制。
    总的来说,包括32项研究,在2000年至2022年之间出版,其中23个是横断面的,15个是以波斯语出版的。研究了几种危险因素(n=69)与儿童死亡率之间的关系。在确定的因素中,\'出生体重\',\'母亲\'s识字\',“社会经济地位”,\'传递类型\',\'胎龄\',\'怀孕间隔\',\'不成熟\',“营养类型”,和“死产”是伊朗儿童死亡率最重要的决定因素。
    应在伊朗制定和实施适当的干预措施和政策,解决已确定的主要相关因素,从这项综述研究中得出,目的是尽量减少可预防的儿童死亡,根据他们的年龄类别。
    UNASSIGNED: Children mortality is considered as one of the main indicators of population development and health, while most of the children\'s deaths are preventable. This study systematically reviewed the determinants of children mortality in Iran.
    UNASSIGNED: This systematic review was conducted to summarize all the factors associated with children mortality in three age groups; Neonate (0-28 d), Infant (28 d-1 yr old) and children (<5 yr old), based on the PRISMA guideline. Many of the electronic international and national databases, in addition to hand searching of reference of selected articles, grey literature, formal and informal reports and government documents were screened to identify potential records up to Jan 2022. We included all studies that identified determinants of child mortality in any province of Iran or the whole country, without any restriction.
    UNASSIGNED: Overall, 32 studies were included, published between 2000 and 2022, of which 23 were cross-sectional and 15 published in Farsi language. The associations between several risk factors (n=69) and the child mortality were examined. Among the identified factors, \'birth weight\', \'mother\'s literacy\', \'socioeconomic status\', \'delivery type\', \'gestational age\', \'pregnancy interval\', \'immaturity\', \'type of nutrition\', and \'stillbirth\' were the most important mentioned determinants of child mortality in Iran.
    UNASSIGNED: Appropriate interventions and policies should be developed and implemented in Iran, addressing the main identified associated factors, resulting from this review study, with the aim of minimizing preventable child deaths, based on their age categories.
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  • 文章类型: Journal Article
    了解儿童死亡的原因对于实施预防未来死亡和改善任何社区健康的战略是必要的。儿童死亡审查小组(CFRT)自1970年代以来一直存在,并提供了必要的框架,以确保对儿童死亡提出适当的问题。CFRT在社区中提供了重要功能,以确保确定可预防的死亡原因。儿科医生是CFRTs的必要成员,因为他们提供有关儿童死亡的医疗专业知识和背景。所有CFRT都应该有儿科医师代表,小组会议的结果应告知各级政府的公共政策。应支持儿科医生努力参加CFRT,他们应该使用来自团队会议的数据来帮助倡导实施预防策略。
    Understanding why children die is necessary to implement strategies to prevent future deaths and improve the health of any community. Child fatality review teams (CFRTs) have existed since the 1970s and provide a necessary framework to ensure that proper questions are asked about a child\'s death. CFRTs provide a vital function in a community to ensure that preventable causes of deaths are identified. Pediatricians are necessary members of CFRTs because they provide medical expertise and context around a child\'s death. All CFRTs should have pediatric physician representation, and results from team meetings should inform public policy at all levels of government. Pediatricians should be supported in their efforts to be present on CFRTs, and they should use data from team meetings to help advocate for implementing prevention strategies.
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  • 文章类型: Journal Article
    这项研究调查了维多利亚州向死因裁判官报告的儿童(≤12岁)死亡中的甲基苯丙胺(MA)暴露,澳大利亚,从2011年到2020年。人口统计,尸检结果包括死因,自我报告的产前或看护者使用药物,儿童保护服务信息,和毒理学研究结果通过描述性统计进行总结。验证的液相色谱-串联质谱法用于药物分析。有50名儿童因血液中检测到MA而死亡,尿液,和/或头发在2018-2020年确定为64%(n=32)。大多数儿童在1-365天大(66%,n=33),62%(n=31)的死亡原因尚未确定。MA在头发中被毒理学证实(94%,n=47)明显多于血液(18%,n=9)。在44%(n=22)和42%(n=21)的病例中,产前或护理人员使用药物是自我报告的,分别。此外,只有54%(n=27)的死亡儿童在死亡时是儿童保护服务对象。这些发现表明,在过去10年中,接触MA的死亡儿童数量有所增加,这与澳大利亚社区水晶MA的更多供应是一致的。头发分析提供了额外的手段来识别儿童保护服务机构未知的病例,这些病例可能对同一药物暴露环境中的其他儿童产生影响。
    This study investigated methylamphetamine (MA) exposures in the deaths of children (≤ 12 years old) reported to the Coroner in the state of Victoria, Australia, between 2011 and 2020. Demographics, autopsy findings including the cause of death, self-reported prenatal or caregiver drug use, child protection services information, and toxicological findings were summarized by descriptive statistics. Validated methods of liquid chromatography-tandem mass spectrometry were used in the analysis of drugs. There were 50 child deaths with MA detected in blood, urine, and/or hair with 64% (n = 32) identified in 2018-2020. Most children were 1-365 days old (66%, n = 33) and the cause of death was unascertained in 62% (n = 31) of cases. MA was toxicologically confirmed in hair (94%, n = 47) significantly more than blood (18%, n = 9). Prenatal or caregiver drug use was self-reported in 44% (n = 22) and 42% (n = 21) of cases, respectively. Moreover, only 54% (n = 27) of deceased children were a child protection client at their time of death. These findings suggest the number of deceased children exposed to MA has increased over the past 10 years, which is consistent with the greater supply of crystal MA in the Australian community. Hair analysis provided additional means to identify cases that were unknown to child protection services and may have implications for other children in the same drug exposure environment.
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  • 文章类型: Journal Article
    五岁以下儿童死亡率仍然集中在资源匮乏的国家。出院后死亡率越来越被认为是总体儿童死亡率的重要因素。随着研究的大量扩展和新的数据合成方法,本研究旨在通过更细致地了解儿科急性疾病后出院后死亡率的负担和相关危险因素来更新现有的证据基础.
    2017年1月1日至2023年1月31日之间发表的合格研究是使用MEDLINE检索的,Embase,和CINAHL数据库。2017年之前发表的研究在先前的审查中被确定,并被添加到研究的总库中。仅包括来自低或中低社会人口指数国家的研究,其出院后观察期大于7天。使用用于患病率研究的JoannaBriggs研究所关键评估工具的修订版评估偏倚风险。研究按患者群体分组,出院后6个月死亡率通过随机效应荟萃分析进行量化.次要结局包括出院后死亡率相对于院内死亡率,汇总风险因素估计,合并出院后Kaplan-Meier存活曲线。PROSPERO研究注册:#CRD42022350975。
    筛选的1963年文章,确定了42篇符合条件的文章,并结合了先前审查中确定的22篇文章,共64篇文章。这些文章代表了46个独特的患者队列,总共包括105,560名儿童。对于患有一般急性疾病的儿童,出院后六个月的合并死亡风险为4.4%(95%CI:3.5%-5.4%,I2=94.2%,n=11项研究,34,457名儿童),合并住院死亡率为5.9%(95%CI:4.2%-7.7%,I2=98.7%,n=12项研究,63,307名儿童)。在疾病亚组中,严重营养不良(12.2%,95%CI:6.2%-19.7%,I2=98.2%,n=10项研究,7760名儿童)和严重贫血(6.4%,95%CI:4.2%-9.1%,I2=93.3%,n=9项研究,7806名儿童)显示出最高的出院后6个月死亡率估计值。腹泻显示最短的中位死亡时间(3.3周)和贫血最长(8.9周)。出院后死亡的最重要危险因素包括非计划出院,严重的营养不良,和艾滋病毒血清阳性。
    在资源匮乏的环境中,儿科出院后死亡率仍然很高,尤其是营养不良或贫血的儿童。全球卫生战略必须通过将资源用于研究和政策创新来优先考虑这一卫生问题。
    没有收到具体资金。
    UNASSIGNED: Under-five mortality remains concentrated in resource-poor countries. Post-discharge mortality is becoming increasingly recognized as a significant contributor to overall child mortality. With a substantial recent expansion of research and novel data synthesis methods, this study aims to update the current evidence base by providing a more nuanced understanding of the burden and associated risk factors of pediatric post-discharge mortality after acute illness.
    UNASSIGNED: Eligible studies published between January 1, 2017 and January 31, 2023, were retrieved using MEDLINE, Embase, and CINAHL databases. Studies published before 2017 were identified in a previous review and added to the total pool of studies. Only studies from countries with low or low-middle Socio-Demographic Index with a post-discharge observation period greater than seven days were included. Risk of bias was assessed using a modified version of the Joanna Briggs Institute critical appraisal tool for prevalence studies. Studies were grouped by patient population, and 6-month post-discharge mortality rates were quantified by random-effects meta-analysis. Secondary outcomes included post-discharge mortality relative to in-hospital mortality, pooled risk factor estimates, and pooled post-discharge Kaplan-Meier survival curves. PROSPERO study registration: #CRD42022350975.
    UNASSIGNED: Of 1963 articles screened, 42 eligible articles were identified and combined with 22 articles identified in the previous review, resulting in 64 total articles. These articles represented 46 unique patient cohorts and included a total of 105,560 children. For children admitted with a general acute illness, the pooled risk of mortality six months post-discharge was 4.4% (95% CI: 3.5%-5.4%, I2 = 94.2%, n = 11 studies, 34,457 children), and the pooled in-hospital mortality rate was 5.9% (95% CI: 4.2%-7.7%, I2 = 98.7%, n = 12 studies, 63,307 children). Among disease subgroups, severe malnutrition (12.2%, 95% CI: 6.2%-19.7%, I2 = 98.2%, n = 10 studies, 7760 children) and severe anemia (6.4%, 95% CI: 4.2%-9.1%, I2 = 93.3%, n = 9 studies, 7806 children) demonstrated the highest 6-month post-discharge mortality estimates. Diarrhea demonstrated the shortest median time to death (3.3 weeks) and anemia the longest (8.9 weeks). Most significant risk factors for post-discharge mortality included unplanned discharges, severe malnutrition, and HIV seropositivity.
    UNASSIGNED: Pediatric post-discharge mortality rates remain high in resource-poor settings, especially among children admitted with malnutrition or anemia. Global health strategies must prioritize this health issue by dedicating resources to research and policy innovation.
    UNASSIGNED: No specific funding was received.
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  • 文章类型: Journal Article
    背景:加强医疗保健系统是增强医疗保健提供和服务的实用方法。尽管撒哈拉以南非洲(SSA)加强卫生系统(HSS)干预措施的数量有所增加,关于这些活动对儿童生存的因果影响的证据有限。此外,到目前为止报告的调查结果各不相同,它们之间的关系还不清楚。这项系统评价研究旨在评估所有可用证据,以了解HSS活动对SSA儿童生存的影响。
    方法:我们开发了一种搜索策略,从PubMed/MEDLINE等电子数据库中检索所有相关研究,WebofScience,非洲期刊在线我们将使用搜索词的组合,例如“五岁以下儿童死亡率”,“\”儿童死亡率,\“\”婴儿死亡率,新生儿死亡率,\"\"儿童生存,“和”卫生系统加强。“该审查将包括建立HSS干预措施与儿童生存之间因果关系的研究。这将包括设计的研究,如随机对照试验和准实验和方法,如差异差异。两名审稿人将独立筛选所有引文,摘要,全文数据和第三审稿人将在出现分歧时充当决胜局。感兴趣的主要结果是HSS活动对五岁以下儿童生存的影响。我们将使用BradfordHill因果关系标准来评估每个研究的质量。
    结论:我们的系统评价将确定并评估所有相关证据,这些证据建立了HSS活动与SSA中5岁以下儿童的生存率之间的因果关系。关于HSS活动对儿童生存的影响的审查结果可能会引起该地区捐助界和政策行为者的极大兴趣。我们还预计,审查的结论可以作为SSA未来卫生系统干预措施和策略发展的有价值的指导。
    背景:PROSPEROCRD4202233913.
    Strengthening healthcare systems is a practical approach to enhance healthcare delivery and services. Although there has been a rise in the number of health systems strengthening (HSS) interventions in sub-Saharan Africa (SSA), there is limited evidence on the causal effect of these activities on child survival. Furthermore, the findings reported so far have been varied, and how they relate to each other remains unclear. This systematic review study aims to assess all available evidence to understand the impact of HSS activities on child survival in SSA.
    We developed a search strategy to retrieve all relevant studies from electronic databases such as PubMed/MEDLINE, Web of Science, and African Journals Online. We will use a combination of search terms such as \"under-five mortality,\" \"child mortality,\" \"infant mortality,\" \"neonatal mortality,\" \"child survival,\" and \"health systems strengthening.\" The review will include studies that establish a causal relationship between HSS interventions and child survival. This will include studies with designs such as randomized controlled trials and quasi-experimental and methods like difference-in-difference. Two reviewers will independently screen all citations, abstracts, and full-text data and a third reviewer will act as a tiebreaker in case of disagreements. The primary outcome of interest is the impact of HSS activities on under-five survival. We will evaluate the quality of each study using the Bradford Hill criteria for causation.
    Our systematic review will identify and evaluate all relevant evidence that establishes a causal relationship between HSS activities and the survival of children under five years in SSA. The review\'s findings regarding the impact of HSS activities on child survival could be of significant interest to the donor community and policy actors in the region. We also anticipate that the review\'s conclusions could serve as a valuable guide for the development of future health system interventions and strategies in SSA.
    PROSPERO CRD42022333913.
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  • 文章类型: Review
    在许多热带和亚热带国家,蛇咬伤是一个重要的公共卫生问题,在那里,发病率和死亡率的负担尤其落在贫困的农村社区。儿童是一个特别脆弱的群体。本范围审查概述了范围,关于毒蛇咬伤儿童死亡率相关因素的同行评审证据的类型和内容。对MEDLINE和全球指数Medicus进行了全面的文献检索,共发表了623篇文章,其中15项符合纳入标准;67%的研究在印度进行,其余的研究在巴布亚新几内亚进行,摩洛哥和冈比亚。撒哈拉以南非洲和拉丁美洲的合格研究明显缺乏,尽管这些地区的研究负担很高。通过大量研究确定的死亡危险因素是年龄较小的患者(n=4),抗蛇毒血清给药延迟(n=4)和急性肾损伤(n=3)。确定不良预后因素可以帮助临床医生及时转诊至具有儿科重症监护能力的中心。未来的研究必须解决关键地理区域缺乏研究的问题,以便可以对这一弱势群体的护理实施基于证据的改进。
    Snakebite envenoming is an important public health issue in many tropical and subtropical countries, where the burden of morbidity and mortality falls particularly on impoverished rural communities. Children are an especially vulnerable group. This scoping review provides an overview of the extent, type and content of peer-reviewed evidence regarding factors associated with mortality in snakebite-envenomed children. A comprehensive literature search of MEDLINE and the Global Index Medicus yielded 623 articles, of which 15 met the criteria for inclusion; 67% of studies were conducted in India, with the remaining studies taking place in Papua New Guinea, Morocco and The Gambia. There was a notable scarcity of eligible studies from sub-Saharan Africa and Latin America despite the high burden of envenoming in these regions. The risk factors for mortality that were identified by the greatest number of studies were younger patient age (n=4), delay in administration of antivenom (n=4) and acute kidney injury (n=3). Identification of poor prognostic factors can assist clinicians in making timely referrals to centres with paediatric critical care capability. Future research must address the lack of studies from key geographical regions so that evidence-based improvements to the care of this vulnerable group can be implemented.
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  • 文章类型: Journal Article
    多年来,一些发展中国家的婴儿和儿童死亡率很高,然而,根据最近的统计,巴基斯坦在名单上名列前茅。我们对这一主题的大量研究的叙述回顾强调了几个因素,如与早产相关的并发症,出生缺陷患病率高,缺乏疫苗接种,不安全的交付,不良的母乳喂养做法,分娩期间的并发症,婴儿猝死综合征(SIDS),恶劣的社会经济条件,和一个苦苦挣扎的医疗系统,影响了这些比率。铭记迫切需要解决巴基斯坦婴儿和儿童死亡率上升的问题,为了防止不必要的死亡,必须采取多个步骤。一项有效的举措可以是在妇女中传播认识和教育,在许多关于这一问题的研究中,妇女缺乏教育与巴基斯坦儿童死亡率上升有间接联系。此外,政府应该通过雇用更多的医生,提供更好的供应和改善基础设施来投资医疗保健,特别是在欠发达地区,减少由于缺乏清洁水和卫生条件差而导致的儿童死亡率。最后,远程医疗应该普及,以便为无法访问医院的妇女提供便利。
    Over the years, several developing countries have been suffering from high infant and child mortality rates, however, according to the recent statistics, Pakistan falls high on the list. Our narrative review of copious research on this topic highlights that several factors, such as complications associated with premature births, high prevalence of birth defects, lack of vaccination, unsafe deliveries, poor breastfeeding practices, complications during delivery, sudden infant death syndrome (SIDS), poor socioeconomic conditions, and a struggling healthcare system, have influenced these rates. Bearing in mind the urgency of addressing the increased infant and child mortality rate in Pakistan, multiple steps must be taken in order to prevent unnecessary deaths. An effective initiative could be spreading awareness and education among women, as a lack of education among women has been indirectly linked to increased child mortality in Pakistan across many researches conducted on the issue. Furthermore, the government should invest in healthcare by hiring more physicians and providing better supplies and improving infrastructure, especially in underdeveloped areas, to decrease child mortality due to lack of clean water and poor hygiene. Lastly, telemedicine should be made common in order to provide easy access to women who cannot visit the hospital.
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  • 文章类型: Meta-Analysis
    背景:在低收入和中等收入国家(L&MICs),造成全球儿童疾病负担的最大因素是呼吸道疾病和腹泻导致的死亡,两者都与用水密切相关,卫生,和家庭卫生(WASH)服务。然而,目前对WASH干预措施对健康影响的估计使用自我报告的发病率,这可能无法捕捉到更长期或更严重的影响。报告的死亡率被认为比其他报告的指标更不容易出现偏差。本研究旨在回答以下问题:WASH干预措施对L&MICs报告的儿童死亡率有什么影响?
    结果:我们进行了系统评价和荟萃分析,使用已发布的协议。系统检索11个学术数据库和试验登记处,加上组织存储库,进行了定位WASH干预措施的研究,发表在同行评审期刊或其他来源(例如,组织报告和工作文件)。在L&中等收入国家的地方病情况下实施的WASH改善干预研究符合资格,它在2020年3月之前的任何时候报告了调查结果。我们使用了响应期刊编辑要求提高透明度而提供的参与者流量数据。数据由两名独立工作的作者收集。我们纳入了来自全球所有地区的24项随机和11项非随机WASH干预研究的证据。包括2,600人死亡。48个WASH治疗组的效果包括在分析中。我们使用荟萃分析批判性地评估和综合证据,以提高统计能力。我们发现WASH干预措施与儿童全因死亡率的几率显着降低17%相关(OR=0.83,95%CI=0.74,0.92,来自38项干预措施的证据),腹泻死亡率显著降低45%(OR=0.55,95%CI=0.35,0.84;10项干预措施).通过WASH技术进行的进一步分析表明,向家庭提供改善水量的干预措施与降低全因死亡率最为一致。全社区的卫生设施与腹泻死亡率的降低密切相关。在将儿童期死亡率归因于WASH干预措施方面,约有一半的纳入研究被评估为处于“中等偏倚风险”。没有研究发现偏倚风险低。“应更新审查,以纳入其他已发布和未发布的参与者流量数据。
    结论:这些发现与传染病传播理论是一致的。用水洗涤是呼吸道疾病和腹泻的屏障,这是L和中等收入国家儿童全因死亡率的两个最大贡献者。全社区的卫生设施阻止了腹泻的传播。我们观察到证据综合可以提供新的发现,超越试验的基础数据,为政策提供关键见解。试验中的透明报告为研究综合提供了机会,以回答有关死亡率的问题。不能可靠地设计干预措施的个别研究来解决这些问题。
    In low- and middle-income countries (L&MICs), the biggest contributing factors to the global burden of disease in childhood are deaths due to respiratory illness and diarrhoea, both of which are closely related to use of water, sanitation, and hygiene (WASH) services by households. However, current estimates of the health impacts of WASH interventions use self-reported morbidity, which may fail to capture longer-term or more severe impacts. Reported mortality is thought to be less prone to bias than other reported measures. This study aimed to answer the question: What are the impacts of WASH interventions on reported childhood mortality in L&MICs?
    We conducted a systematic review and meta-analysis, using a published protocol. Systematic searches of 11 academic databases and trial registries, plus organisational repositories, were undertaken to locate studies of WASH interventions, which were published in peer review journals or other sources (e.g., organisational reports and working papers). Intervention studies of WASH improvements implemented under endemic disease circumstances in L&MICs were eligible, which reported findings at any time until March 2020. We used the participant flow data supplied in response to journal editors\' calls for greater transparency. Data were collected by two authors working independently. We included evidence from 24 randomized and 11 nonrandomized studies of WASH interventions from all global regions, incorporating 2,600 deaths. Effects of 48 WASH treatment arms were included in analysis. We critically appraised and synthesised evidence using meta-analysis to improve statistical power. We found WASH interventions are associated with a significant reduction of 17% in the odds of all-cause mortality in childhood (OR = 0.83, 95% CI = 0.74, 0.92, evidence from 38 interventions), and a significant reduction in diarrhoea mortality of 45% (OR = 0.55, 95% CI = 0.35, 0.84; 10 interventions). Further analysis by WASH technology indicated interventions providing improved water in quantity to households were most consistently associated with reductions in all-cause mortality. Community-wide sanitation was most consistently associated with reductions in diarrhoea mortality. Around one-half of the included studies were assessed as being at \"moderate risk of bias\" in attributing mortality in childhood to the WASH intervention, and no studies were found to be at \"low risk of bias.\" The review should be updated to incorporate additional published and unpublished participant flow data.
    The findings are congruent with theories of infectious disease transmission. Washing with water presents a barrier to respiratory illness and diarrhoea, which are the two biggest contributors to all-cause mortality in childhood in L&MICs. Community-wide sanitation halts the spread of diarrhoea. We observed that evidence synthesis can provide new findings, going beyond the underlying data from trials to generate crucial insights for policy. Transparent reporting in trials creates opportunities for research synthesis to answer questions about mortality, which individual studies of interventions cannot be reliably designed to address.
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