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Revista de Gastroenterología del Perú
versão impressa ISSN 1022-5129
Resumo
YRIBERRY URENA, Simón e MONGE ZAPATA, Victor. Alterations in laboratory tests as predictors of choledocholithiasis in patients who underwent ercp: experience in a national private center. Rev. gastroenterol. Perú [online]. 2007, vol.27, n.3, pp.253-258. ISSN 1022-5129.
INTRODUCTION: ERCP is very important in the management of common bile duct stones but it has associated morbidity. METHODS: We analyze retrospectively records of 293 patients with suspected CBD stones to determine laboratory predictors of the pathology and improve the selection of patients for the examination. Sensitivity, specifity, predictive positive value and predictive negative value were calculated for alkaline phosphatase(FA), Total Bilirrubin (BT), TGO(AST) and TGO(ALT). We also compared values between patients with and without gallbladder suffering CBD stones confirmed by ERCP. RESULTS: 293 patients had ERCP. 247 had CBD stones and 46 had no stones. OF the CBD stones group 58(23%) didn´t have gallbladder and 187(77%) had gallbladder. Hepatic function tests FA, TGP y BT where all pronostic factors for CBD stones on univariate analysis with statistical value of p<0.01. Clinical presentation was not included in analysis. Age, TGO(AST) and GGTP didn´t showed statistical significance. CONCLUSIONS: The predictors of CBD stones have better results when combined. The use of stricter selection criteria can reduce the number of normal exams and complications.
Palavras-chave : ERCP; CBD stones; therapeutic ERCP; elevated Liver function tests; CBD stones predictors; specialized unit.