Gastroenterology and hepatology from bed to bench · 2012
The association between clinical symptoms, laboratory findings and serum endothelin 1 concentrations, in cirrhotic patients with and without hepatopulmonary syndrome.
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Khoshbaten Manouchehr, Rostami Nejad Mohammad, Ansarin Khalil, Fatemi Reza, Dulaimi David Al, Derakhshan Faramarz, Jafarinia Nagmeh, Barford Sophie, Zali Mohammad Reza
Аннотация
AIM: This study evaluated the association between serum endothelin- 1 level and symptoms, clinical examination, laboratory and cardio-respiratory parameters, in patients with cirrhosis compared to controls.
BACKGROUND: Cirrhosis is associated with significant portal, pulmonary and systemic vascular abnormities. Recent studies have suggested that endothelin -1 may have a significant role in the regulation of vascular tone.
PATIENTS AND METHODS: In this case - control study, subjects that had been evaluated and diagnosed with biopsy-proven cirrhosis and age-matched controls with no evidence of cardio-vascular or liver disease were recruited. Review of medical records, routine laboratory investigations and cardio-respiratory investigations including echocardiography to look for evidence of hepato-pulmonary syndrome were performed.
RESULTS: 50 patients were subjects were recruited. The most common aetiology of the cirrhosis was chronic hepatitis B viral infection. 7/50 cases had evidence of the hepatopulmonary syndrome. Among the patients with evidence of the hepatopulmonary syndrome, dyspnoea (100%) and cyanosis (90%) were the most common of the symptoms and signs recorded. Pao2 and arterial - alveolar oxygen gradients were the most sensitive tests in the diagnosis of hepatopulmonary syndrome. Orthodoxy specificity was 100%. The median concentration of serum endothelin-1 in cases with hepatopulmonary syndrome was 1.06+/- 0.015 pg/ml (range 0.92 - 1.21), in cases of sub-clinical hepatopulmonary syndrome, 2.49+/- 0.08 (4.05- 0.93) in patients with cirrhosis but no evidence of hepatopulmonary syndrome criteria 0.85+/-0.74(1.06-0.64) in controls.
CONCLUSION: There was a significant difference in serum endothelin- 1 levels between patients with cirrhosis and controls, but not between patients with cirrhosis complicated by hepatopulmonary syndrome and controls.
BACKGROUND: Cirrhosis is associated with significant portal, pulmonary and systemic vascular abnormities. Recent studies have suggested that endothelin -1 may have a significant role in the regulation of vascular tone.
PATIENTS AND METHODS: In this case - control study, subjects that had been evaluated and diagnosed with biopsy-proven cirrhosis and age-matched controls with no evidence of cardio-vascular or liver disease were recruited. Review of medical records, routine laboratory investigations and cardio-respiratory investigations including echocardiography to look for evidence of hepato-pulmonary syndrome were performed.
RESULTS: 50 patients were subjects were recruited. The most common aetiology of the cirrhosis was chronic hepatitis B viral infection. 7/50 cases had evidence of the hepatopulmonary syndrome. Among the patients with evidence of the hepatopulmonary syndrome, dyspnoea (100%) and cyanosis (90%) were the most common of the symptoms and signs recorded. Pao2 and arterial - alveolar oxygen gradients were the most sensitive tests in the diagnosis of hepatopulmonary syndrome. Orthodoxy specificity was 100%. The median concentration of serum endothelin-1 in cases with hepatopulmonary syndrome was 1.06+/- 0.015 pg/ml (range 0.92 - 1.21), in cases of sub-clinical hepatopulmonary syndrome, 2.49+/- 0.08 (4.05- 0.93) in patients with cirrhosis but no evidence of hepatopulmonary syndrome criteria 0.85+/-0.74(1.06-0.64) in controls.
CONCLUSION: There was a significant difference in serum endothelin- 1 levels between patients with cirrhosis and controls, but not between patients with cirrhosis complicated by hepatopulmonary syndrome and controls.