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Aspartate aminotransferase-to-platelet ratio predicts response to transarterial chemoembolisation and prognosis in hepatocellular carcinoma patients.

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AIM To evaluate the value of the aspartate aminotransferase-to-platelet ratio index (APRI) for hepatocellular carcinoma (HCC) patients who underwent transarterial chemoembolisation (TACE). MATERIALS AND METHODS A total of 315 patients… Click to show full abstract

AIM To evaluate the value of the aspartate aminotransferase-to-platelet ratio index (APRI) for hepatocellular carcinoma (HCC) patients who underwent transarterial chemoembolisation (TACE). MATERIALS AND METHODS A total of 315 patients were enrolled, who were randomly divided into the training cohort (n=158) and the validation cohort (n=157). The optimal cut-off value of the APRI was determined using the X-tile software in the training cohort, and was validated in the validation cohort. Several serum-based markers, neutrophil-to-lymphocyte (N/L) and aspartate aminotransferase-to-alanine aminotransferase (AST/ALT) ratios were included to compare with the APRI. To predict individual survival rate, independent predictors were included to build a nomogram. RESULTS Using the X-tile, a cut-off value of the APRI as 0.40 was yielded to distinguish patients with distinct outcomes in the training cohort, but failed for the N/L and ALT/AST ratios. In the training cohort, 66 patients with high APRI had poorer survival (p<0.001) than did 92 patients with low APRI. Using the same cut-off value of APRI, 61 patients with high APRI had poorer survival (p<0.001) than did 96 patients with low APRI in the validation cohort. Furthermore, a nomogram, including the APRI, TACE cycles, tumour size, and tumour number, was built based on the training cohort, and validated well in the validation cohort (concordance index [C-index] 0.713). CONCLUSION The APRI is a promising marker to predict treatment response and outcome for HCC patients after TACE treatment.

Keywords: aminotransferase platelet; cohort; training cohort; apri; aspartate aminotransferase; platelet ratio

Journal Title: Clinical radiology
Year Published: 2018

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