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  Česky / Czech version Vnitř. Lék., 48, 2002, No. 5, p. 390-395
 
Hepatic Encephalopathy after TIPS - Retrospective Investigation 
Štefánková J., Fejfar T., Šafka V., Hůlek P., Krajina A., Fendrichová M. 

I. interní klinika FN, Hradec Králové, přednosta doc. MUDr. M. Pleskot, CSc. Ústav fyziologie Lékařské fakulty UK, Hradec Králové, přednosta doc. MUDr. Z. Červinková, CSc. Radiologická klinika FN, Hradec Králové, přednosta doc. MUDr. P. Eliáš, CSc.
 


Summary:

       Hepatic encephalopathy (HE) is the main neuropsychiatric complication in cirrhosis of the liver. It develops slowly, begins by alteration of sleep and proceeds via flapping tremor to sopor, coura. Among known factors which promote its development are age, high dietary protein intake, haemorrhage finto the GIT and the use of sedatives. Transjugular portosystemic anastomosis (TIPS) as a therapeutic method in complications of portal hypertension is associated with a higher incidence of HE. The objective of the work was to assess by retrospective investigations of patients with cirrhosis of the liver after TIPS the incidence of clinically significant HE and identify risk factors for the development of HE. Material and methods: The group comprised 256 patients with cirrhosis of the liver after TIPS. This number included 59 diabetic and 197 non-diabetic patients, 7 patients suffered from chronic renal insufficiency and were in a regular dialyzation programme. The presence of HE was evaluated clinically. Results: HE was found in 51% patients above 60 years of age, vs. 27 % in younger patients (p = 0.002). The authors did not observe a difference in the incidence of HE in relation to seg, stage of cirrhosis , diameter of the stent nor the drop of the portosystemic gradient. In diabetic patients HE developed in 45.8% (27 of 59), as compared with 30% (59 of 197) in non-diabetic patients (p = 0.02). Multivariance analysis revealed however that the group of diabetic patients had a higher average age and thus the incidence of HE was statistically significantly conditioned by age and not by the presence of diabetes. Conclusion: The risk group for HE in our patients were those above 60 years of age and patients with another than ethylic etiology of liver cirrhosis. There was no direct relationship between the development of HE and other investigated parameters. Although there was no difference in the incidence of HE in relation to the diameter of the inserted stent or portosystemic gradient and its reduction, in case of unsuccessful conservative treatment with lactulose and diet, HE can be resolved by narrowing of the shunt by insertion of a reducing stent.

        Key words: Cirrhosis of the liver - Hepatic encephalopathy - Portosystemic gradient - Diabetes mellitus
       

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