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Ultrasound detection of free intraperitoneal fluid associated with hepatic and splenic injuries
Background:
The objective of this study was to compare the sensitivity and specificity of 5 abdominal views for detecting free intraperitoneal fluid in trauma patients later diagnosed with hepatic or splenic injuries.
Methods:
This retrospective study conducted over a 17-month period enrolled patients with trauma. A Focused Abdominal Sonogram for Trauma (FAST) examination was done using 5 abdominal views. Exploratory laparotomy or computed tomography (CT) confirmed the presence of intraperitoneal fluid and associated injuries. The sensitivity and specificity were determined.
Results:
Of the 245 study patients, 29 had injuries to the liver or spleen or both. The 5-view FAST examination's sensitivity for detecting free intraperitoneal fluid associated with hepatic, splenic, or combined injuries was 77%, 90%, and 100%, respectively. The sensitivity of the single Morison's pouch view in detecting free intraperitoneal fluid associated with hepatic, splenic, or combined injuries was 38%, 20%, and 67%, respectively.
Conclusion:
For identifying free intraperitoneal fluid associated with hepatic or splenic injuries, no single view of the FAST examination could match the sensitivity provided by the 5-view technique.
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