Dahinten Alexander P, Malkin Robert A
Developing World Healthcare Technologies Lab, Duke University, Durham, USA.
Open Biomed Eng J. 2016 Mar 22;10:12-8. doi: 10.2174/1874120701610010012. eCollection 2016.
Modern day antiretroviral therapy allows HIV+ pregnant women to lower the likelihood of viral transmission to their infants before, during, and after birth from 20-45% to less than 5%. In developing countries, where non-facility births may outnumber facility births, infant access to safe antiretroviral medication during the critical first three days after birth is often limited. A single-dose, polyethylene pouch ("Pratt Pouch") addresses this challenge by allowing the medication to be distributed to mothers during antenatal care.
The Pratt Pouch was introduced as part of a one year clinical feasibility study in two districts in Southern Province, Zambia. Participating nurses, community health workers, and pharmacists were trained before implementation. Success in achieving improved antiretroviral medication access was assessed via pre intervention and post intervention survey responses by HIV+ mothers.
Access to medication for HIV-exposed infants born outside of a health facility increased from 35% (17/51) before the introduction of the pouch to 94% (15/16) after (p<0.05). A non-significant increase in homebirth rates from 33% (pre intervention cohort) to 50% (post intervention cohort) was observed (p>0.05). Results remained below the national average homebirth rate of 52%. Users reported minimal spillage and a high level of satisfaction with the Pratt Pouch.
The Pratt Pouch enhances access to infant antiretroviral medication in a rural, non-facility birth setting. Wide scale implementation could have a substantial global impact on HIV transmission rates from mother to child.
现代抗逆转录病毒疗法使感染艾滋病毒的孕妇在产前、产中及产后将病毒传播给婴儿的可能性从20%-45%降至5%以下。在发展中国家,非医疗机构分娩的数量可能超过医疗机构分娩,婴儿在出生后头三天这一关键时期获得安全抗逆转录病毒药物的机会往往有限。一种单剂量的聚乙烯袋(“普拉特袋”)通过在产前护理期间将药物分发给母亲来应对这一挑战。
普拉特袋作为赞比亚南部省份两个地区为期一年的临床可行性研究的一部分被引入。参与的护士、社区卫生工作者和药剂师在实施前接受了培训。通过对感染艾滋病毒的母亲进行干预前和干预后的调查回复来评估在改善抗逆转录病毒药物获取方面是否成功。
在医疗机构外出生的接触过艾滋病毒的婴儿获得药物的比例从引入袋子前的35%(17/51)增加到之后的94%(15/16)(p<0.05)。观察到在家分娩率从33%(干预前队列)非显著增加到50%(干预后队列)(p>0.05)。结果仍低于全国平均在家分娩率52%。使用者报告溢出极少,对普拉特袋的满意度很高。
普拉特袋提高了农村非医疗机构分娩环境中婴儿抗逆转录病毒药物的可及性。大规模实施可能会对母婴艾滋病毒传播率产生重大全球影响。