Matthias Buechter1, Jonas Thimm2, Hideo A Baba3, Stefanie Bertram3, Katharina Willuweit2, Guido Gerken2, Alisan Kahraman2. 1. Department of Gastroenterology and Hepatology, University Clinic of Essen, Essen, Germany, Matthias.Buechter@uk-essen.de. 2. Department of Gastroenterology and Hepatology, University Clinic of Essen, Essen, Germany. 3. Institute of Pathology, University Clinic of Essen, Essen, Germany.
Abstract
AIM: To assess the diagnostic accuracy of liver maximum capacity (LiMAx®) test compared to transient elastography (TE) and serum biomarkers for the noninvasive detection of different stages of liver fibrosis and cirrhosis. PATIENTS AND METHODS: We retrospectively correlated LiMAx®, TE, aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratio (AAR), AST-to-platelet ratio index (APRI), and fibrosis-4 (FIB-4) score with histological specimens in 102 patients with chronic liver disease (CLD) who underwent liver biopsy (either percutaneously or via mini-laparoscopy) at the University Clinic of Essen between 10/2016 and 12/2017. RESULTS: Median LiMAx® values showed a tendency to decrease in accordance with increasing histological degree of fibrosis based on the Desmet scoring system (F0: 446.5 [381.0-592.5] µg/h/kg, F1: 405.0 [343.0-547.0] µg/h/kg, F2: 337.0 [250.0-394.0] µg/h/kg, F3: 281.0 [262.0-364.0] µg/h/kg, and F4: 181.5 [130.0-256.5] µg/h/kg. Furthermore, -LiMAx® was superior to TE, FIB-4, AAR, and APRI in detecting different stages of fibrosis, while Spearman's rank correlation test showed a statistically significant association of -0.68, 0.62, 0.61, 0.46, and 0.42, respectively. However, the combination of TE and LiMAx® had the highest diagnostic accuracy in detecting liver cirrhosis (sensitivity 88.9%, specificity 84.6%, Youden index 0.735). CONCLUSION: Enzymatic liver function measured by LiMAx® showed strong correlation with histology in patients with CLD irrespective of its underlying etiology and was superior to TE and serum biomarkers, possibly making it useful as a novel and noninvasive tool for the determination of hepatic disease severity.
AIM: To assess the diagnostic accuracy of liver maximum capacity (LiMAx®) test compared to transient elastography (TE) and serum biomarkers for the noninvasive detection of different stages of liver fibrosis and cirrhosis. PATIENTS AND METHODS: We retrospectively correlated LiMAx®, TE, aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratio (AAR), AST-to-platelet ratio index (APRI), and fibrosis-4 (FIB-4) score with histological specimens in 102 patients with chronic liver disease (CLD) who underwent liver biopsy (either percutaneously or via mini-laparoscopy) at the University Clinic of Essen between 10/2016 and 12/2017. RESULTS: Median LiMAx® values showed a tendency to decrease in accordance with increasing histological degree of fibrosis based on the Desmet scoring system (F0: 446.5 [381.0-592.5] µg/h/kg, F1: 405.0 [343.0-547.0] µg/h/kg, F2: 337.0 [250.0-394.0] µg/h/kg, F3: 281.0 [262.0-364.0] µg/h/kg, and F4: 181.5 [130.0-256.5] µg/h/kg. Furthermore, -LiMAx® was superior to TE, FIB-4, AAR, and APRI in detecting different stages of fibrosis, while Spearman's rank correlation test showed a statistically significant association of -0.68, 0.62, 0.61, 0.46, and 0.42, respectively. However, the combination of TE and LiMAx® had the highest diagnostic accuracy in detecting liver cirrhosis (sensitivity 88.9%, specificity 84.6%, Youden index 0.735). CONCLUSION: Enzymatic liver function measured by LiMAx® showed strong correlation with histology in patients with CLD irrespective of its underlying etiology and was superior to TE and serum biomarkers, possibly making it useful as a novel and noninvasive tool for the determination of hepatic disease severity.
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