Effectiveness of Combined Hemodialysis-Hemadsorption Therapy in Improving Uremic Toxin Clearance, Inflammatory Markers, and Symptoms in Maintenance Hemodialysis Patients.

Combined hemodialysis (HD) and hemadsorption (HA) therapy has shown the highest clearance rates for middle and large-sized uremic toxin molecules and reduced mortality rates among maintenance HD (MHD) patients. This study aims to investigate the effectiveness of combined HD and HA therapy in patients undergoing MHD. Forty patients with end-stage renal disease (ESRD) were divided into three groups: HD only (14), HD+biweekly HA (14), and HD+weekly HA (12). The duration of the study was 8 weeks. Uremic toxins (β2-microglobulin, leptin, parathyroid hormone), inflammatory markers (interleukin-6, C-reactive protein), and symptoms (appetite, pruritus, sleep quality) were assessed before the start and at the completion of therapy. Changes in the parameters were compared between the three groups. Mean differences of parameters in each group were also compared between before and after therapy. Decrease in BUN level (-61.34 mg/dL [95% CI:-71.33 to -51.34], p <0.0001) and pruritus score (-3.93 [95% CI:-6.89 to -0.97], p=0.013) was significantly larger in HD+biweekly HA group compared to the others. Only HD + biweekly HA group showed significant reductions in CRP level (-0.10 mg/L [95%: -0.18 to -0.01], p=0.034), VAS appetite score (10.43 [95% CI: 4.99 to 15.87], p = 0.001), and pruritus score (-3.93 [95% CI: -6.89 to -0.97], p =0.013) after therapy. Both HD+biweekly HA (-2.79 [95% CI: -4.97 to -0.60], p=0.016) and HD+weekly HA group (-2.33 [95% CI: -4.59 to -0.08], p=0.044) exhibited a significant improvement in sleep quality score after therapy. HD combined with a biweekly HA is associated with a greater reduction in BUN level and better improvement of pruritus in ESRD patients compared to HD alone. HD+biweekly HA can significantly reduce CRP levels, alleviate pruritus, improve appetite, and enhance sleep quality.

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