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Ultrasonography and gallbladder perforation in acute cholecystitis
L Forsberg1, R Andersson, E Hederström
1Department of Diagnostic Radiology, University Hospital, Lund, Sweden.
Acta Radiologica (Stockholm, Sweden : 1987)
|March 1, 1988
Summary
Ultrasound can help identify patients at risk of gallbladder perforation. Early diagnosis and aggressive surgery significantly reduced mortality from perforated gallbladder, improving patient outcomes.
Area of Science:
- Gastroenterology
- Diagnostic Imaging
- Surgical Outcomes
Background:
- Perforated gallbladder presents a significant surgical challenge.
- Distinguishing between uncomplicated acute cholecystitis and perforated gallbladder preoperatively is crucial for patient management.
Purpose of the Study:
- To identify specific sonographic signs indicative of gallbladder perforation risk.
- To evaluate the impact of diagnostic and surgical strategies on mortality rates for perforated gallbladder.
Main Methods:
- Retrospective comparison of 24 patients with perforated gallbladder (1980-1987) and 21 patients with uncomplicated acute cholecystitis (1982).
- Analysis of sonographic findings, including gallbladder wall thickness and pericholecystic fluid collections.
- Comparison of mortality rates between different time periods reflecting changes in diagnostic and surgical approaches.
Main Results:
- Patients with perforated gallbladders showed a trend towards thicker gallbladder walls (mean 7 mm vs. 5.3 mm).
- Free fluid and localized fluid collections near the gallbladder fossa were observed in some perforation cases.
- No single sonographic sign was consistently characteristic of imminent perforation.
- Mortality for gallbladder perforation decreased from 10% in the earlier period to 0% in the later 9-year period.
Conclusions:
- While specific sonographic signs for imminent perforation were not definitively identified, ultrasound remains valuable for early diagnosis.
- The combination of early ultrasound diagnosis and aggressive surgical intervention dramatically reduces mortality associated with gallbladder perforation.