• 1. Department of Nephrology and Institute of Kidney Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
  • 2. Department of Nephrology, Heping Hospital Affiliated to Changzhi Medical College, Changzhi, Shan’xi 046000, P. R. China;
  • 3. Department of Nephrology, Chengdu Kangfu Nephrology Hospital, Chengdu, Sichuan 610041, P. R. China;
  • 4. Department of Nephrology, General Medical Chengdu 363 Hospital, Chengdu, Sichuan 610041, P. R. China;
  • 5. Department of Nephrology, Ya’an People’s Hospital, Ya’an, Sichuan 625000, P. R. China;
  • 6. Department of Nephrology, Bazhong Central Hospital, Bazhong, Sichuan 636600, P. R. China;
  • 7. Department of Nephrology, Nanbu People’s Hospital, Nanbu, Sichuan 637000, P. R. China;
  • 8. Department of Nephrology, Emeishan People’s Hospital, Emeishan, Sichuan 614200, P. R. China;
  • 9. Department of Nephrology, Longchang People’s Hospital, Longchang, Sichuan 642159, P. R. China;
  • 10. Department of Nephrology, Fushun Chinese Medicine Hospital, Fushun, Sichuan 643299, P. R. China;
  • 11. Department of Nephrology, Jiangyou 903 Hospital, Jiangyou, Sichuan 621700, P. R. China;
  • 12. Department of Nephrology, Ziyang Central Hospital, Ziyang, Sichuan 641300, P. R. China;
  • 13. Department of Nephrology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
  • 14. Department of Nephrology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P. R. China;
OU Santao, Email: ousantao@163.com
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Objective  To evaluate the effects of glucose-containing dialysate versus glucose-free dialysate on blood pressure variability and blood glucose variability in maintenance hemodialysis (MHD) patients and to assess safety. Methods  MHD patients from 12 hospitals were enrolled between October 2024 and June 2025. According to the randomized block design, patients were randomly divided into the glucose-containing dialysate group (experimental group) and the glucose-free dialysate group (control group). During hemodialysis sessions, blood pressure were monitored at 0, 1, 2, 3, and 4 hours, and blood glucose was measured at 0, 2, and 4 hours monthly for six consecutive months. Hypotension episodes and hypoglycemic episodes were recorded throughout dialysis. Results  A total of 244 MHD patients were included, with 122 in each group. Compared with the control group, the experimental group showed significantly lower systolic blood pressure variability [dialysis for 2 hours: 9.92 (7.92, 12.52) vs. 11.95 (9.45, 15.36) mm Hg (1 mm Hg=0.133 kPa), P<0.001; during the 0-2 hour dialysis period: 2.60 (1.24, 3.97) vs. 3.74 (2.03, 6.52) mm Hg, P=0.011], diastolic blood pressure variability [during the 0-4 hour dialysis period: 3.85 (1.49, 6.69) vs. 4.72 (1.99, 8.46) mm Hg, P<0.001], blood glucose variability [dialysis for 2 hours: 0.16 (0.12, 0.20) vs. 0.18 (0.13, 0.23) mmol/L, P=0.002; dialysis for 4 hours: 0.17 (0.13, 0.22) vs. 0.21 (0.17, 0.26) mmol/L, P<0.001; during the 2-4 hour dialysis period: 0.04 (0.02, 0.08) vs. 0.07 (0.03, 0.10) mmol/L, P=0.004], incidence rates of hypotension (32.9% vs. 33.3%, P=0.005) and incidence rates of hypoglycemia (0.42% vs. 4.02%, P<0.001). Conclusions  Glucose-containing dialysate reduces both blood pressure variability and blood glucose variability more effectively than glucose-free dialysate during hemodialysis. Compared with glucose-free dialysate, the glucose-containing dialysate demonstrated a lower incidence of hypotension episodes and hypoglycemic episodes.

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