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. 2008 Sep;2(3):341-5.
doi: 10.1007/s12072-008-9077-y. Epub 2008 Apr 22.

Nitric oxide levels in chronic liver disease patients with and without oesophageal varices

Assem M El-Sherif  1 , Mohamed A Abou-Shady, Ashraf M Al-Bahrawy, Reda M Bakr, Abdel-Moneim M Hosny
Affiliations

Nitric oxide levels in chronic liver disease patients with and without oesophageal varices

Assem M El-Sherif et al. Hepatol Int. 2008 Sep.

Erratum in

  • Errata.
    Omata M, Sarin SK. Omata M, et al. Hepatol Int. 2008 Sep;2(3):395-6. doi: 10.1007/s12072-008-9089-7. Hepatol Int. 2008. PMID: 19669272 Free PMC article. No abstract available.

Abstract

Introduction Patients with chronic liver disease ultimately progress to develop cirrhosis and portal hypertension. Recently it seems well established that nitric oxide disturbances play a key role in the pathogenesis of chronic liver disease and portal hypertension. The aim of this work was to clarify the correlation between chronic liver disease stages, liver function status, esophageal varices presence and nitric oxide disturbances. Subjects and methods All subjects (n = 120) in the present study were classified into; group I which included 15 age and sex matched healthy volunteers (taken as control), group II which included 20 patients with chronic active hepatitis, and group III which included 85 patients with hepatic cirrhosis. All subjects included were subjected to full clinical assessment, routine laboratory investigations, serum nitrate level determination using colorimetric method, abdominal ultrasonography and upper endoscopy. Results Increased serum nitrate level could not be detected in patients with chronic active hepatitis as well as those with early cirrhosis (Child's class A). Progressive and significant increase of serum nitrate levels were detected in more advanced stages of cirrhosis (Child's class B & C). The best non-invasive predictor for the presence of oesophageal varices was a combination of platelet count <150.000/mm(3), splenomegaly >18 cm, Child's class B or C and serum nitrate >/=38 mumol/l, with 93.3% sensitivity and 100% specificity. Conclusion Serum nitrate level can be used as a non-invasive predictor for progression of chronic liver disease as well as for the presence of oesophageal varices.

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