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Combination of maintenance hemodialysis with hemoperfusion:A safe and effective model of artificial kidney

time :  2017-01-16

Shun-Jie Chen, Geng-Ru Jiang, Jian-Ping Shan, Wei Lu, Hai-Dong Huang, Gang Ji, Ping Wu, Gu-Feng Wu, Wei Wang, Chun Zhu, Fan Bian

Department of Nephrology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China


Objective: To investigate whether the combination of maintenance hemodialysis (MHD) with hemoperfusion (HP) could improve the clearance rate of middle and large molecule uremic toxins so as to improve the quality of life of MHD patients and reduce their mortality rate.

Methods: This study was a prospective, randomized, controlled clinical trial. 100 MHD patients were selected and then randomly divided into two groups after four weeks of run-in period. Group 1 received HD alone 2 times a week and the combined treatment of HD with HP (HD+HP) once a week, whereas Group 2 was given HD alone 3 times a week. This study was followed up for a mean of 2 years. The primary outcome was the death of patients. Secondary end points included normal clinical data, leptin, high sensitive C-reactive protein (hsCRP), interleukin-6 (IL-6), β2 microglobulin (β2-MG), immunoreactive parathyroid hormone (iPTH), tumor necrosis factor-α (TNF-α) and the index of dimensions of Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36 Chinese Edition ).

Results: At the end of the two-year observation, the serum concentration of leptin, hsCRP, iPTH, IL-6, β2-MG and TNF-α, systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), cardiothoracic ratio, left ventricular mass index (LVMI), the EPO doses and the types of antihypertensive drugs used were lower with Group 1 than with Group 2 (p<0.05); Group 1 had higher hemoglobin (Hb), ejection fraction (EF), and body mass index (BMI) (p<0.05). no="" statistical="" difference="" between="" the="" two="" groups="" was="" observed="" in="" terms="" of="" serum="" iron="" total="" binding="" capacity="" cardiac="" output="" atrial="" mitral="" inflow="" velocities="" p="">0.05). Besides, the SF-36 indicated that the total score of overall dimentions of Group 1 was higher than Group 2 (p<0.05) and the quality of life of Group 1 was evidently better than Group 2. The Kaplan-Meier Survival Curves for the 2-year observation period showed that patients in Group 1 had obvious survival advantage while Log-rank test results showed p<0.05. No serious adverse incidents occurred during the HD+HP treatment.

Conclusions: HD+HP was superior to HD in regularly eliminating middle and large molecule uremic toxins accumulated in the body. These findings suggest a potential role for HD+HP in the treatment to improve the quality of life and survival rate of MHD patients.

KEY WORDS: Hemoperfusion, Maintenance hemodialysis, Middle and large molecule uremic toxins,

Artificial kidney

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