1. Balykova E.V., Khachaturova E.A., Selova G.N. Status of central hemodymanics in patients with different types of anesthesia during laparoscopic operations about colon cancer in edlerly patients. Anesteziologiya i Reanimatologiya, 2012, no. 2, pp. 19-22. (In Russ.) (Epub.), Available: https://cyberleninka.ru/article/n/sostoyanie-tsentralnoy-gemo dinamiki-pri-razlichnyh-vidah-anestezii-pri-laparoskopicheskih-operatsiyah- po-povodu-raka-tolstoy-kishki-u (Accessed: 28.02.2022).
2. Garyaev R.V. Prolonged epidural analgesia and arterial hypertension. Regionarnaya Anestesia I Lecheniye Ostroy Boli, 2011, vol. 5, no. 1. (In Russ.)
3. (Epub.), Available://cyberleninka.ru/article/n/dlitelnaya-epid uralnaya-
4. analgeziya-i-arterialnaya-gipotenziya (Accessed: 28.02.2022).
5. Smolin N.S., Khrapov K.N. Epidural anesthesia in abdominal surgery. Messenger of Anesthesiology and Resuscitation, 2022, vol. 19, no. 2, pp. 64-73. (In Russ.) doi:10.21292/2078-5658-2022-19-2-64-73.