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Noninvasive liver tests may predict hepatitis C patient survival

Date:
June 14, 2011
Source:
American Gastroenterological Association
Summary:
Noninvasive tests for liver fibrosis, such as liver stiffness measurement or the FibroTest, can predict survival of patients with chronic hepatitis C.

Non-invasive tests for liver fibrosis, such as liver stiffness measurement or the FibroTest, can predict survival of patients with chronic hepatitis C, according to a new study in Gastroenterology, the official journal of the American Gastroenterological Association (AGA) Institute.

"Liver stiffness measurement and/or the FibroTest could replace liver biopsy for the evaluation of hepatitis C, regardless of the stage of the disease," said Victor de L้dinghen, MD, PhD, of the Centre d' Investigation de la Fibrose H้patique and lead author of this study. "Thus, these tools may help physicians assess prognosis early and discuss specific treatments."

Findings of this study are of major importance since liver stiffness, as a good predictive factor of survival, may help physicians evaluate the severity of liver disease earlier, decide with stronger arguments on a liver transplant or a portosystemic shunt (to bypass the liver), and evaluate more precisely the surgical risk of cirrhotic patients.

In chronic liver diseases, fibrosis assessment predicts liver-related complications and survival. In this study, doctors evaluated the five-year prognostic value of liver stiffness, non-invasive tests of liver fibrosis and liver biopsy to predict overall survival and survival without liver-related death in chronic hepatitis C.

A total of 1,457 patients with chronic hepatitis C were included. At five years, 77 patients died (39 liver-related deaths) and 16 patients had liver transplantation. Overall survival was 91.7 percent and survival without liver-related death was 94.4 percent. Survival was significantly decreased in patients diagnosed with severe fibrosis, no matter which non-invasive method was used.

All methods were able to predict shorter survival times; liver stiffness measurement and results of the FibroTest had higher predictive values. Doctors assessed fibrosis and -- on the same day -- liver stiffness, performed noninvasive tests of fibrosis (FibroTest, the aspartate aminotransferase to platelet ratio index, FIB-4), and analyzed liver biopsy samples.

"To our knowledge, this study is the first showing that liver stiffness has a prognostic value for overall survival and survival without liver-related death in patients with chronic hepatitis C virus infection," added Dr. L้dinghen. "The present study independently validated the prognostic value of the FibroTest and showed that liver stiffness and FibroTest can predict survival."


Story Source:

The above story is based on materials provided by American Gastroenterological Association. Note: Materials may be edited for content and length.


Cite This Page:

American Gastroenterological Association. "Noninvasive liver tests may predict hepatitis C patient survival." ScienceDaily. ScienceDaily, 14 June 2011. <www.sciencedaily.com/releases/2011/06/110614115041.htm>.
American Gastroenterological Association. (2011, June 14). Noninvasive liver tests may predict hepatitis C patient survival. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2011/06/110614115041.htm
American Gastroenterological Association. "Noninvasive liver tests may predict hepatitis C patient survival." ScienceDaily. www.sciencedaily.com/releases/2011/06/110614115041.htm (accessed April 23, 2014).

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