Comparison of the Biomechanical Properties of the Wall of an Aneurysmal-altered Abdominal Aorta According to the Results of in Vivo Ultrasound and an Associated Study of Strength Characteristics in Vitro

Identification of the regression model between the strength properties of tissue and its ultrasonic spectral characteristics.

Inclusion Criteria:Patients with an aneurysmal expansion of the abdominal aorta who are indicated for surgery.Patients who consented to participate in this studyExclusion Criteria:Chronic heart failure III-IV functional class according to the NYHA classification;Chronic decompensated "pulmonary" heart;Severe hepatic or renal insufficiency (bilirubin > 35 mmol / l, glomerular filtration rate < 60 ml / min);Polyvalent drug allergy;Malignant oncological diseases in the terminal stage with a predicted lifespan of up to 6 months;Acute violation of cerebral circulation;