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评估坦桑尼亚和乌干达的“帮助母亲产后止血”(HMS BAB)培训效果:一项随机对照试验的研究方案

Evaluating the effect of the Helping Mothers Survive Bleeding after Birth (HMS BAB) training in Tanzania and Uganda: study protocol for a randomised controlled trial.

作者信息

Hanson Claudia, Pembe Andrea B, Alwy Fadhlun, Atuhairwe Susan, Leshabari Sebalda, Morris Jessica, Kaharuza Frank, Marrone Gaetano

机构信息

Department of Public Health Sciences, Karolinska Institutet, Solna, Sweden.

Department of Disease Control, London School of Hygiene and Tropical Medicine, London, UK.

出版信息

Trials. 2017 Jul 6;18(1):307. doi: 10.1186/s13063-017-2056-7.

Abstract

BACKGROUND

Postpartum haemorrhage complicates approximately 10% of all deliveries and contributes to at least a quarter of all maternal deaths worldwide. The competency-based Helping Mothers Survive Bleeding after Birth (HMS BAB) training was developed to support evidence-based management of postpartum haemorrhage. This one-day training includes low-cost MamaNatalie® birthing simulators and addresses both prevention and first-line treatment of haemorrhage. While evidence is accumulating that the training improves health provider's knowledge, skills and confidence, evidence is missing as to whether this translates into improved practices and reduced maternal morbidity and mortality. This cluster-randomised trial aims to assess whether this training package - involving a one-day competency-based HMS BAB in-facility training provided by certified trainers followed by 8 weeks of in-service peer-based practice - has an effect on the occurrence of haemorrhage-related morbidity and mortality.

METHODS/DESIGN: In Tanzania and Uganda we randomise 20 and 18 districts (clusters) respectively, with half receiving the training intervention. We use unblinded matched-pair randomisation to balance district health system characteristics and the main outcome, which is in-facility severe morbidity due to haemorrhage defined by the World Health Organizationation-promoted disease and management-based near-miss criteria. Data are collected continuously in the intervention and comparison districts throughout the 6-month baseline and the 9-month intervention phase, which commences after the training intervention. Trained facility midwives or clinicians review severe maternal complications to identify near misses on a daily basis. They abstract the case information from case notes and enter it onto programmed tablets where it is uploaded. Intention-to-treat analysis will be used, taking the matched design into consideration using paired t test statistics to compare the outcomes between the intervention and comparison districts. We also assess the impact pathway from the effects of the training on the health provider's skills, care and interventions and health system readiness.

DISCUSSION

This trial aims to generate evidence on the effect and limitations of this well-designed training package supported by birthing simulations. While the lack of blinding of participants and data collectors provides an inevitable limitation of this trial, the additional evaluation along the pathway of implementation will provide solid evidence on the effects of this HMS BAB training package.

TRIAL REGISTRATION

Pan African Clinical Trials Registry, PACTR201604001582128 . Registered on 12 April 2016.

摘要

背景

产后出血约占所有分娩的10%,并导致全球至少四分之一的孕产妇死亡。基于能力的“帮助母亲产后止血”(HMS BAB)培训旨在支持产后出血的循证管理。这项为期一天的培训使用低成本的MamaNatalie®分娩模拟器,涵盖出血的预防和一线治疗。虽然越来越多的证据表明该培训提高了医疗服务提供者的知识、技能和信心,但关于这是否能转化为改善实践以及降低孕产妇发病率和死亡率的证据却缺失。这项整群随机试验旨在评估这个培训套餐——包括由认证培训师提供的为期一天的基于能力的HMS BAB机构内培训,随后进行为期8周的在职同伴实践——是否对出血相关的发病率和死亡率有影响。

方法/设计:在坦桑尼亚和乌干达,我们分别将20个和18个地区(群组)随机分组,其中一半接受培训干预。我们使用非盲配对随机化来平衡地区卫生系统特征和主要结局,主要结局是根据世界卫生组织推广的疾病及基于管理的险些发生标准定义的因出血导致的机构内严重发病率。在为期6个月的基线期和培训干预后开始的为期9个月的干预期内,在干预地区和对照地区持续收集数据。经过培训的机构助产士或临床医生每天审查严重的孕产妇并发症以识别险些发生的情况。他们从病例记录中提取病例信息并输入到编程平板电脑上,然后上传。将采用意向性分析,考虑配对设计,使用配对t检验统计量比较干预地区和对照地区的结局。我们还将评估从培训对医疗服务提供者的技能、护理和干预措施以及卫生系统准备情况的影响的作用途径。

讨论

本试验旨在生成关于这个由分娩模拟支持的精心设计的培训套餐的效果和局限性的证据。虽然参与者和数据收集者不设盲是本试验不可避免的局限性,但沿着实施途径进行的额外评估将为这个HMS BAB培训套餐的效果提供确凿证据。

试验注册

泛非临床试验注册中心,PACTR201604001582128。于2016年4月12日注册。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/5501356/9e8d5d426880/13063_2017_2056_Fig1_HTML.jpg

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