WEN Mingxiu , ZHAO Shuanglei , LIU Zhou , HU Yi , LI Qianxian , HAN Jie , ZHANG Hongjia , GONG Ming
  • Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, P. R. China;
GONG Ming, Email: gongming@mail.ccmu.edu.cn
Left ventricular assist device; heart transplantation; renal function; end-stage heart failure
10.7507/1007-4848.202402033
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Objective To compare the perioperative renal function changes in patients undergoing heart transplantation (HT) and left ventricular assist device (LVAD) implantation. Methods Patients with end-stage heart failure who underwent surgical treatment at Beijing Anzhen Hospital, Capital Medical University from January 2019 to April 2024 were included. According to the surgical method, patients were divided into a HT group and a LVAD group, and the estimated glomerular filtration rate (eGFR) of patients before surgery, postoperative 1 d, 7 d, 30 d, and 60 d was compared between the two groups. The patients with preoperative renal dysfunction were subdivided into subgroups for comparison of eGFR changes before surgery and 30 days after surgery between the two groups. Results A total of 112 patients were enrolled. There were 78 patients in the HT group, including 61 males and 17 females, aged 44.42±18.51 years. There were 34 patients in the LVAD group, including 30 males and 4 females, aged 54.94±11.37 years. Compared with the HT group, the average age of patients in the LVAD group was greater (P<0.001), body mass index was higher (P=0.008), preoperative eGFR was lower (P=0.009), and the proportions of smokers (P=0.017), alcohol drinkers (P=0.041), and diabetes mellitus (P=0.028) patients were higher. Among patients with preoperative renal dysfunction [eGFR<90 mL/(min·1.73 m2)], compared with the HT group, the postoperative eGFR of the LVAD group was significantly higher than that of the HT group, and it was significantly increased compared with that before surgery; the postoperative eGFR of the HT group was comparable to that before surgery, and more than half of the patients had a lower eGFR than before surgery. Among patients with preoperative renal dysfunction, 11 patients in the HT group received continuous renal replacement therapy, and 8 died early; 2 patients in the LVAD group received continuous renal replacement therapy, and 1 died early. Conclusion For end-stage heart failure patients with combined renal dysfunction, compared with HT, LVAD implantation enables patients to obtain better renal function benefits.