FIELD: medicine.
SUBSTANCE: invention is intended for visualisation of regions of local myocardium dystrophy in evaluating efficiency of radiofrequency ablation (RFA) of renal arteries in patients with resistant arterial hypertension. Before and after RFA T1-weighed spin-echo ECG-synchronised MRI of heart is conducted by cuts on short axis of left ventricle 7-8 mm thick 8-15 min after introduction of contrast paramagnetic substance in dose 2 ml of 0.5 M solution per 10 kg of body weight. Volume of contrast inclusion into myocardium and in case of its reduction by value less than 1 cm3 in comparison with value of said index before RFA, RFA is evaluated as effective.
EFFECT: method ensures clear visualisation of myocardium injury areas, their extension and localisation.
5 dwg, 1 tbl, 2 ex
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