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Chinese Journal of Critical Care Medicine(Electronic Edition) ›› 2021, Vol. 14 ›› Issue (03): 206-212. doi: 10.3877/cma.j.issn.1674-6880.2021.03.006

• Original Article • Previous Articles     Next Articles

Risk factors of cerebral infarction in patients undergoing maintenance hemodialysis

Jinping Ying1, Genlian Cai1, Xuejia Xiang1, Shen Liu1, Biyun Shao1, Xiabing Lang1, Ping Zhang1, Jianghua Chen1, Jing Yuan1,()   

  1. 1. Kidney Disease Center, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
  • Received:2021-01-15 Online:2021-06-30 Published:2021-08-13
  • Contact: Jing Yuan

Abstract:

Objective

To investigate risk factors of cerebral infarction in patients receiving maintenance hemodialysis (MHD).

Methods

A total of 624 MHD patients treated in the First Affiliated Hospital, College of Medicine, Zhejiang University from February 2015 to February 2020 were selected as study subjects and divided into a cerebral infarction group (n = 42) and a non-cerebral infarction group (n = 582) according to whether cerebral infarction occurred. Their general data and laboratory indicators were compared between these two groups. Multivariate Logistic regression analysis was used for the risk factors of cerebral infarction in patients receiving MHD.

Results

The age [(73 ± 10) years vs. (58 ± 15) years, t = 14.112, P < 0.001], body mass index [20.9 (19.6, 23.3) kg / m2 vs. 17.8 (15.6, 20.0) kg / m2, H = 5.377, P < 0.001], dialysis age [33.00 (13.50, 84.25) months vs. 55.00 (21.00, 102.25) months, H = 2.240, P = 0.025], smoking [13 / 42 vs. 93 / 582, χ2 = 6.228, P = 0.013], hypertension [37 / 42 vs. 382 / 582, χ2 = 8.958, P = 0.003], diabetes [16 / 42 vs. 141 / 582, χ2 = 4.001, P = 0.045], coronary heart disease [14 / 42 vs. 50 / 582, χ2 = 26.054, P < 0.001], atrial fibrillation [4 / 42 vs. 18 / 582, χ2 = 4.763, P = 0.029], serum albumin [37.9 (34.3, 40.0) g / L vs. 40.3 (38.3, 42.6) g / L, H = 5.541, P < 0.001], triglyceride [(2.1 ± 1.5) mmol / L vs. (1.6 ± 0.9) mmol / L, t = 6.865, P = 0.009], C-reactive protein [8.85 (3.00, 45.05) mg / L vs. 2.65 (0.76, 6.32) mg / L, H = 5.298, P < 0.001], parathyroid hormone [323.50 (170.03, 487.50) ng / L vs. 217.00 (91.03, 382.25) ng / L, H = 2.759, P = 0.006], fibrinogen [3.6 (3.2, 4.5) g / L vs. 3.1 (2.6, 3.7) g / L, H = 2.992, P = 0.003] and thrombin time [17.6 (16.7, 19.1) s vs. 18.9 (18.2, 19.8) s, H = 3.624, P < 0.001] were statistically significantly different between the cerebral infarction group and the non-cerebral infarction group. These above indicators were included in the Logistic regression analysis, and the results showed that the age [odds ratio (OR) = 1.088, 95% confidence interval (CI) (1.043, 1.133), P < 0.001], body mass index [OR = 1.352, 95%CI (1.195, 1.529), P < 0.001], hypertension [OR = 4.036, 95%CI (1.187, 13.719), P = 0.025] and C-reactive protein [OR = 1.029, 95%CI (1.010, 1.048), P = 0.003] were risk factors for cerebral infarction in MHD patients, while serum albumin [OR = 0.836, 95%CI (0.745, 0.939), P = 0.002] was a protective factor.

Conclusions

The age, body mass index, hypertension, C-reactive protein and serum albumin are influencing factors of cerebral infarction in patients receiving MHD. Effective intervention measures should be taken for the above factors in clinical practice.

Key words: Cerebral infarction, Hemodialysis, Risk factors

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