Bibliographic citations
Alarcon, K., (2015). Efectividad de la gamma glutamil transferasa y fosfatasa alcalina en la predicción de coledocolitiasis en pacientes sometidos a colecistectomía laparoscópica [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/1549
Alarcon, K., Efectividad de la gamma glutamil transferasa y fosfatasa alcalina en la predicción de coledocolitiasis en pacientes sometidos a colecistectomía laparoscópica [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2015. https://hdl.handle.net/20.500.12759/1549
@misc{renati/375093,
title = "Efectividad de la gamma glutamil transferasa y fosfatasa alcalina en la predicción de coledocolitiasis en pacientes sometidos a colecistectomía laparoscópica",
author = "Alarcon Davila, Keivi Madiel",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2015"
}
Determine the effectiveness of gamma glutamyl transferase and alkaline phosphatase in predicting choledocholithiasis in patients undergoing laparoscopic cholecystectomy in the Bethlehem Hospital of Trujillo during the period January 2010 to December 2014. MATERIAL AND METHODS: We conducted an observational, analytical, diagnostic test study, which evaluated 70 patients > 18 years of age admitted at emergency for acute cholecystitis. RESULTS: The mean age of patients with and without choledocholithiasis were 51 ± 26.57 years and 43.30 ± 15.66 years respectively; similarly 33.33% and 23.44% were males respectively. The ultrasonographic diameter was 12.38 ± 1.50 mm and 6.86 ± 2.63 mm in the groups with and without choledocholithiasis. The means of GGT (99.50 ± 28.49 and 54.97 ± 22.82 IU / L) and FA (483.17 ± 163.86 and 178.56 ± 76.33 IU / L), respectively (p < 0.001). A cutoff > 50 for GGT, sensitivity, specificity, PPV and NPV were 83.33%, 64.06%, 17.86% and 97.62% respectively; and a cutoff of > 300 for the FA, the sensitivity, specificity, PPV and NPV were 83.33%, 96.88%, 71.43% and 98.41% respectively. In calculating the area under the curve (through the ROC curve) of gamma glutamyl transpeptidase, alkaline phosphatase and the presence of choledocholithiasis, the following values were taken, area under the curve: (GGT = 0.852 and FA = 0.906). CONCLUSIONS: If the two enzymes had predictive criteria for diagnosing choledocholithiasis, being more effective alkaline phosphatase.
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