FIELD: medicine; surgery; oncology; urology.
SUBSTANCE: invention can be used for perioperative assessment of ureter stricture level in patients with nephrostomy drainage. After mobilization of one or two affected ureters, method involves intraluminal introduction of 15 ml of a solution of indocyanine green (ICG) in concentration of 2 mg/ml through an existing nephrostomy drainage. In the fluorescent mode, the dye is visualized in the lumen of the ureter, the level of the stricture is verified, and the ureter is clipped at 2–3 mm proximal to the level of the stricture.
EFFECT: method enables reducing the rate of postoperative complications and eliminating the additional radiation exposure due to the possibility of reliable visualization of the level of the ureter stricture directly in the operating area without using X-ray equipment.
1 cl, 5 dwg, 1 ex
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