Under Pressure: Intraluminal Filling Pressures of Postpartum Hemorrhage Tamponade Balloons

AJP Reports
Kathleen M AntonyGary A Dildy

Abstract

Objective Uterine tamponade by fluid-filled balloons is now an accepted method of controlling postpartum hemorrhage. Available tamponade balloons vary in design and material, which affects the filling attributes and volume at which they rupture. We aimed to characterize the filling capacity and pressure-volume relationship of various tamponade balloons. Study Design Balloons were filled with water ex vivo. Intraluminal pressure was measured incrementally (every 10 mL for the Foley balloons and every 50 mL for all other balloons). Balloons were filled until they ruptured or until 5,000 mL was reached. Results The Foley balloons had higher intraluminal pressures than the larger-volume balloons. The intraluminal pressure of the Sengstaken-Blakemore tube (gastric balloon) was initially high, but it decreased until shortly before rupture occurred. The Bakri intraluminal pressure steadily increased until rupture occurred at 2,850 mL. The condom catheter, BT-Cath, and ebb all had low intraluminal pressures. Both the BT-Cath and the ebb remained unruptured at 5,000 mL. Conclusion In the setting of acute hemorrhage, expeditious management is critical. Balloons that have a low intraluminal pressure-volume ratio may fill more rapidly, mor...Continue Reading

Citations

Mar 9, 2018·Journal of Obstetrics and Gynaecology : the Journal of the Institute of Obstetrics and Gynaecology·Shigeki MatsubaraTatsuya Suzuki
Jul 2, 2020·The Cochrane Database of Systematic Reviews·Frances J KellieAndrew D Weeks

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Methods Mentioned

BETA
cesarean section
X-ray
hysterectomy

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