The clinical diagnosis of chronic acalculous cholecystitis.
BACKGROUND: Chronic acalculous cholecystitis (CAC), a diagnosis of exclusion, appears to be more common than was previously thought. We correlated the pathology with test results and response to treatment in a prospective study to obtain data for evidence-based management. METHODS: The study subjects were patients with chronic biliary symptoms but had normal sonogram results. They were further investigated with esophagogastroduodenoscopy, multidiscipline evaluations, and cholecystokinin-stimulated scintigraphy (CCK-HIDA). They were offered laparoscopic cholecystectomy (LC) when the symptoms were intransigent, and the main abnormality was a low ejection fraction (EF) as determined by CCK-HIDA. We analyzed the histologic findings of the gallbladder, CCK-HIDA EF, and clinical outcomes during the control period with a concurrent series of LC for calculus from the same surgeons. RESULTS: Of 176 cholecystectomies for biliary pain without stones, 152 had pathologically verified CAC. EF by CCK-HIDA was low in patients with CAC (18%) and low in normal gallbladders (26%). In the same period, 497 patients had cholecystectomies for cholelithiasis. Lasting symptom relief for CAC after LC was not different from that for calculous disease (85% vs 90%). CONCLUSIONS: The syndrome consisting of chronic biliary symptoms, stone-free sonograms, low EF in CCK-HIDA, and absence of other pain sources is highly predictive for CAC, which is well treated with LC, with results similar to those for calculous disease.[1]References
- The clinical diagnosis of chronic acalculous cholecystitis. Chen, P.F., Nimeri, A., Pham, Q.H., Yuh, J.N., Gusz, J.R., Chung, R.S. Surgery (2001) [Pubmed]
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