Predictive parameters for angiography and embolization in the bleeding pelvic fracture

Area of Science:

• Trauma Surgery
• Interventional Radiology
• Emergency Medicine

Background:

• Managing bleeding pelvic fractures requires balancing resuscitation with definitive hemorrhage control.
• The decision to perform angiography in hemodynamically unstable patients with pelvic fractures is challenging.

Purpose of the Study:

• To identify clinical parameters that predict the need for angiography in patients with bleeding pelvic fractures.
• To aid in the timely decision-making process for interventional procedures.

Main Methods:

• A retrospective study of 121 patients with traumatic pelvic fractures from June 2005 to June 2010.
• Comparison of clinical parameters between 15 patients who underwent angiography and 29 age-matched patients who did not.
• Analysis of computed tomography (CT) findings, including contrast blush and hematoma, and pelvic fracture patterns (Tile, Young and Burgess classifications).

Main Results:

• Patients undergoing angiography more frequently presented with contrast blush on contrast-enhanced CT (CECT) (80%) and unstable pelvic fracture patterns (80% Tile, 92.4% Young and Burgess).
• The embolized group showed a higher incidence of hematoma (81.8%) and contrast blush on CECT (100%), along with unstable fracture patterns (72.7% Tile).
• Positive predictive value for embolization was 39% for hematoma, 73% for blush, and 47% for unstable Tile fracture; combined factors reached 75%.

Conclusions:

• Unstable pelvic fracture patterns are significant predictors for requiring angiographic evaluation.
• The presence of hematoma and contrast blushing on CT scans are crucial indicators for angiography in pelvic fracture patients.
• These factors can assist clinicians in deciding when to pursue angiography for bleeding control.