Secondary peritonitis echocardiography or ultrasound
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Secondary Peritonitis Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Shivani Chaparala M.B.B.S [2]
Overview
Ultrasound may be positive in unto 72%.
Key Ultrasound Findings in Secondary peritonitis
- Abdominal ultrasonography may be helpful in the evaluation of pathology in the right upper quadrant (eg, perihepatic abscess, cholecystitis, pancreatitis, pancreatic pseudocyst), right lower quadrant, and pelvis (eg, appendicitis, tubo-ovarian abscess, Douglas pouch abscess).
- However, the examination is sometimes limited because of patient discomfort, abdominal distention, and bowel gas interference.
- Ultrasonography may detect increased amounts of peritoneal fluid (ascites), but its ability to detect quantities of less than 100 mL is limited.
- A diagnostic accuracy of greater than 85% has been reported in several series.
- Ultrasonographically guided aspiration and placement of drains has evolved into a valuable tool in the diagnosis and treatment of abdominal fluid collections.
- Advantages of ultrasound include low cost, portability, and availability.
- Disadvantages are that the test is operator dependent, and there is reduced visualization in the presence of overlying bowel gas and abdominal dressings.