FIELD: medicine.
SUBSTANCE: 90-minute kinetics of an intravenously administered 99mTc hepatobiliary tracer is studied. The maximum activity time of the tracer in the common bile duct is recorded. Choleretic breakfast is introduced 45 minutes after the beginning of the study. An Oddi's sphincter incompetence index is calculated by formula: N=x/y, wherein N is the Oddi's sphincter incompetence index, x is time of introducing choleretic breakfast, minutes, y is the tracer maximum activity time in the common bile duct from the beginning of the study, minutes. If N is more than 1 unit, the Oddi's sphincter incompetence is diagnosed.
EFFECT: higher sensitivity, accuracy and facilitation of the technique applicable in patients with postcholecystectomy syndrome.
3 ex
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