PMID: 9529171Apr 7, 1998Paper

Pressure-volume characteristics of the intact and disrupted pelvic retroperitoneum

The Journal of Trauma
M R GrimmK A Thomas

Abstract

Hemorrhage is a major cause of mortality in pelvic fractures. Bleeding can be controlled in hypotensive patients by direct ligation, angiographic embolization, pelvic packing, and acute external fixation. Acute application of an external fixator can reduce pelvic volume and reduce bleeding fractures to effect tamponade. This therapy assumes that the pelvis represents a closed space, which clearly is not true anatomically. However, the premise may hold functionally. This study explored the relationship between pressure and volume in the intact and disrupted pelvic retroperitoneum. In cadaveric specimens, the external iliac vein was dissected, ruptured, and cannulated. This method allowed controlled flow of fluid, with simultaneous measurement of pressure, into the intact retroperitoneum. Open book pelvic fractures were created by applying external rotation to the pelvis through the femoral heads. The pressure-volume measurements, without and with external fixation applied, were repeated after the fracture, as well as after a laparotomy. In the intact retroperitoneum, pressures rapidly rose to an average of 30 mm Hg after infusion of 5 liters of fluid. After fracture, up to 20 liters of fluid could be infused at pressures not exc...Continue Reading

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Citations

Nov 29, 2005·Surgical and Radiologic Anatomy : SRA·Patrick BaquéAndré Bourgeon
Nov 19, 2010·Musculoskeletal Surgery·Michelangelo ScaglioneG Guido
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