1. Dzhangulyan NG. Efficiency AVR in patient with low ejection fraction. Vrach-aspirant. 2005;2:151-156. (In Russ.).
2. Ivanov VA, Aidamirov IA, Evseev EP. The isolated prosthetics of the aortic valve in elderly patients. Khirurgiya, Zhurnal im. N.I. Pirogova. 2013;2:63-66. (In Russ.).
3. Kochurkova EG, Nikitina TG, Akishbaya MO. The results of aortic valve replacement in the dynamic monitoring of patients with calcified aortic stenosis and low left ventricular ejection fraction (LVEF <35%). Grudnaya i serdechno-sosudistaya khirurgiya. 2007;2:64-65.
4. Semenovskii ML, Poptsov VN, Mekhtiev ÉK, Vavilov PA, Ostroumov EN. Long-term results of surgical treatment in patients with aortal valvular diseases and systolic left ventricular dysfunction. Kardiologiya i serdechno-sosudistaya khirurgiya. 2012;1:67-71. (In Russ.).
5. Skopin II, Tsiskaridze IM, Slivneva IV. Predictors of postoperative complications and hospital mortality in patients with aortic valve disease associated mitral insufficiency. Grudnaya i serdechno-sosud khirurgiya. 2010;2:18-24. (In Russ.).