METHOD FOR PREOPERATIVE PREDICTION OF MAJOR CARDIAC COMPLICATIONS IN ELECTIVE ABDOMINAL SURGERY Russian patent published in 2025 - IPC A61B5/00 G01N33/49 

FIELD: medicine.

SUBSTANCE: present invention refers to medicine, namely to anaesthesiology and resuscitation, and can be used for prediction of major cardiac complications in abdominal surgeries. To implement the method, a surgical intervention is specified, as well as a patient’s sex, the presence of alcohol addiction, chronic kidney disease, oncological disease, and a preoperative haemoglobin level. Besides, an ASA-classified physical state, a length of voluntary threshold apnoea after deep inhalation are determined in seconds by modified Stange's test. Forecasting is carried out according to the disclosed mathematical formula and if obtained value is > -5.313196 patient is referred to high risk of major cardiac complications, and if value ≤ -5.313196 – to low risk.

EFFECT: method enables detecting the patients with a high risk of major cardiac complications.

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