The results of endovascular diagnosis and transcatheter surgery in 113 patients with various forms and stages of portal hypertension are analysed. A total of 761 diagnostic and 194 therapeutic radiologically-guided endovascular interventions were carried out. Purposeful study of the arteriovenous angioarchitectonics in the hepato-lienal system, the character and degree of disorders of the portal-hepatic hemodynamics, and the peculiar features of collateral circulation before and after various radiologically-guided interventions allowed the authors to elaborate an orderly system of stage-by-stage endovascular treatment of patients suffering from portal hypertension.
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