Non-Pneumatic Anti-Shock Garment for Obstetrical Hemorrhage: Zambia and Zimbabwe

2014-08-27 03:37:55 | BioPortfolio


This trial will address the question of whether early application of the Non-pneumatic Anti-Shock Garment (NASG) at the Satellite Health Facility (SHF) level before transport to a Referral Hospital (RH) will decrease maternal mortality and morbidity. The available evidence indicates that the NASG substantially decreases blood loss, but there is no evidence that its application will reduce extreme adverse outcomes. It is also not known if possible side effects associated with NASG use might outweigh potential benefits. This study would rigorously test the effectiveness of the NASG using an experimental design with adequate power to detect statistically significant decreases in morbidity and mortality.


This study is a cluster randomized controlled trial to examine the effects of NASG application as a first-aid device at the SHFs before transfer to Referral Hospitals (RHs).

The first step will include start-up activities and formative data collection, including facility staff training in data collection, how to collect blood in the closed-end blood collection drape, and in an evidence-based standardized clinical protocol for obstetric hemorrhage prevention and hemorrhage and shock management. Next will be a period of baseline data collection at the RHs and SHFs, during which clinical and demographic data will be collected from women diagnosed with obstetric hemorrhage and shock. After this baseline data collection period, we will introduce the study intervention, initially at the RHs and then at SHFs.

The intervention will include: review of study protocol differences between baseline and the NASG-intervention phases, provision of the NASG, detailed training on the use of NASG for health care providers and staff, as well as on-site support and supervision for use of the NASG. After the RH providers are fully trained and have become proficient in NASG use, SHFs will be randomized into 19 intervention and 18 control facilities. Intervention SHFs will receive the NASG training described above, while control SHFs will receive a refresher training on the topics included in the baseline training.

The final step will be three years of NASG-intervention data collection at the RHs and the SHFs on women diagnosed with obstetric hemorrhage and shock on the same outcomes collected in the baseline period. A total of approximately 2,340 women from the SHFs will be included in the NASG-intervention data collection phase of the cluster randomized trial: 1,170 women in the intervention group and 1,170 women in the control group.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Hypovolemic Shock


non-pneumatic anti-shock garment


Kitwe Central Hospital




University of California, San Francisco

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:37:55-0400

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Medical and Biotech [MESH] Definitions

An abnormally low volume of blood circulating through the body. It may result in hypovolemic shock (see SHOCK).

A family of heat-shock proteins that contain a 70 amino-acid consensus sequence known as the J domain. The J domain of HSP40 heat shock proteins interacts with HSP70 HEAT-SHOCK PROTEINS. HSP40 heat-shock proteins play a role in regulating the ADENOSINE TRIPHOSPHATASES activity of HSP70 heat-shock proteins.

Shock produced as a result of trauma.

A subfamily of small heat-shock proteins that are closely related to ALPHA B-CRYSTALLIN. Hsp20 heat-shock proteins can undergo PHOSPHORYLATION by CYCLIC GMP-DEPENDENT PROTEIN KINASES.

Shock resulting from diminution of cardiac output in heart disease.

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