Plasma fibronectin (FN) has been measured by immunonephelometric method in 100 cirrhotic patients and compared with that of 77 normal subjects and with that of 57 patients suffering from liver disorders different from cirrhosis. Both, compensated and decompensated cirrhotics had lower plasma FN than controls (31.14 +/- 11.42 and 20.88 +/- 10.43 respectively vs 40.13 +/- 8.58 mg/dl; rho less than 0.02 and rho less than 0.001). FN in ascitic patients was lower than in non-ascitic (rho less than 0.001). These differences were not due to different weight or age of patients. It appears, therefore, that FN parallels in cirrhosis the grade of liver function impairment. No significant difference has been noted between plasma FN of patients with liver diseases different from cirrhosis and control subjects. In cirrhosis, a positive relation has been observed among FN and other parameters of liver function such as serum albumin, cholinesterase activity, fibrinogen and prothrombin time. Plasma FN has a low sensitivity but a high specificity and a good positive predictive value in distinguishing normals and patients with liver disorders different from cirrhosis. This diagnostic value is similar to that of serum albumin.
Plasma fibronectin in liver cirrhosis and its diagnostic value
BELLISOLA, GIUSEPPE;CORROCHER, Roberto
1986-01-01
Abstract
Plasma fibronectin (FN) has been measured by immunonephelometric method in 100 cirrhotic patients and compared with that of 77 normal subjects and with that of 57 patients suffering from liver disorders different from cirrhosis. Both, compensated and decompensated cirrhotics had lower plasma FN than controls (31.14 +/- 11.42 and 20.88 +/- 10.43 respectively vs 40.13 +/- 8.58 mg/dl; rho less than 0.02 and rho less than 0.001). FN in ascitic patients was lower than in non-ascitic (rho less than 0.001). These differences were not due to different weight or age of patients. It appears, therefore, that FN parallels in cirrhosis the grade of liver function impairment. No significant difference has been noted between plasma FN of patients with liver diseases different from cirrhosis and control subjects. In cirrhosis, a positive relation has been observed among FN and other parameters of liver function such as serum albumin, cholinesterase activity, fibrinogen and prothrombin time. Plasma FN has a low sensitivity but a high specificity and a good positive predictive value in distinguishing normals and patients with liver disorders different from cirrhosis. This diagnostic value is similar to that of serum albumin.
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