Relationship between serum Pentraxin 3 and pro-adrenomedullin levels with acute cholecystitis.

The perforation of the gallbladder (GP) is one of the most significant complications of acute cholecystitis. A biochemical marker indicating the GP has not been determined fully to date. Pentraxin 3 and pro-adrenomedullin (Pro-ADM) proteins are novel acute phase reactants. We aimed to investigate the relationship between serum Pentraxin 3 and Pro-ADM and the GP in patients with acute cholecystitis. This prospective cross-sectional study was conducted on patients with acute cholecystitis in a tertiary care emergency department during the six-month period. The acute cholecystitis patients were divided into two groups as with GP, and without GP. Additionally, patients with GP were evaluated according to pericholecystic fluid and gallbladder wall thickness. Serum levels of pro-ADM and pentraxin 3, WBC, CRP and sedimentation rate were measured in all patients. A total of 60 patients with acute cholecystitis were included in the study. Pro-ADM and pentraxin 3 levels were significantly higher in patients with GP and the with pericholecystic free fluid (p < 0.0001). There was no significant relationship between serum pentraxin 3 and pro-ADM with gallbladder wall thickness (p > 0.05) According to the ROC analysis, serum Pentraxin 3 levels of ≥4.9 ng/mL could predict GP with a sensitivity of 75% and a specificity of 85% and serum pro-ADM levels of ≥97 nmol/L with sensitivity and specificity of 100% and 95%. Our study results reveal that serum Pentraxin 3 and pro-ADM may be novel biochemical parameters in the detection of GP in acute cholecystitis cases.

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