An observation study on the effect of dual plasma molecular adsorption system combined with plasma exchange to improve the treatment outcome of patients at early stage of acute-on-chronic liver failure
ZHAO Xiao-chun, AN Xuan, WANG Yong, ZHU Hong-xu, YU Hai-yan, HAO Li-juan
2026, 31(3):
331-335.
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Objective To analyze the effect of dual plasma molecular adsorption system (DPMAS) model of artificial liver combined with plasma exchange (PE) as an auxiliary medical treatment to improve the treatment outcome of patients at early stage of acute-on-chronic liver failure (pre-ACLF). Methods The clinical data of 146 patients with pre-ACLF were retrospectively analyzed, all of whom were treated from April 2020 to December 2023. The subjects were divided into a control group and a treatment group according to different treatment methods. Sixty-four cases in the control group received comprehensive medical treatment (including medicines to remove the etiology, protect liver function, promote liver cell growth, and relieve symptoms, etc.). In the 82 cases of the treatment group, DPMAS combined with PE artificial liver therapy was given on the basis of comprehensive medical treatment. Liver function indexes, data of electrolytes, coagulation function, alpha-fetoprotein (AFP) and model of end-stage liver disease (MELD-Na) were collected at before treatment, 1 week and 4 weeks after treatment. The occurrence of adverse reactions in the two groups was analyzed. Results The total effective rate in the treatment group was 79.27%, which was higher than that of 53.13% in the control group (P<0.05). Compared to before treatment, the levels of total bilirubin (TBil), direct bilirubin (DBil), aspartate aminotransferase (AST), alanine aminotransferase (ALT), glutamyl transpeptidase (GGT), alkaline phosphatase (ALP), lactate dehydrogenase (LDH) and total bile acid (TBA) in both groups were lower after 1 week and 4 weeks of treatment (P<0.05). The levels of TBil[(152.09±77.19)μmol/L, (49.29±6.74)μmol/L], DBil[(130.14±69.73)μmol/L, (38.56±6.75)μmol/L] and AST[(192.84±54.82)U/L, (45.37±6.18)U/L], ALT[(256.83±119.27)U/L, (42.88±6.58)U/L], GGT[(152.47±35.25)U/L, (84.69±10.69)U/L], ALP[(143.83±34.15)U/L, (108.12±11.74)U/L], LDH[(199.54±56.73)U/L, (180.81±20.75)U/L], TBA[(187.01±42.38)μmol/L, (71.78±6.83)μmol/L] in the treatment group after 1 week and 4 weeks of treatment, respectively, were lower than those of the control group (P<0.05). Compared with before treatment, the levels of Na+, K+, Cl- and prothrombin activity (PTA) were increased after 1 week and 4 weeks of treatment in both groups (P<0.05), whereas the levels of prothrombin time (PT) were decreased (P<0.05). Compared with the control group, Na+, K+, Cl, PTA levels in the treatment group were higher (P<0.05), and PT levels were lower (P<0.05) after 1 week of treatment. Compared with before treatment, white blood cell count (WBC), neutrophil count, neutrophil/lymphocyte ratio (NLR), AFP and MELD-Na levels were decreased after 1 week and 4 weeks of treatment in both groups (P<0.05), whereas lymphocyte count levels were increased (P<0.05). In the treatment group, the levels of WBC count [(5.72±0.82) ×109/L, (5.12±0.54)×109/L], neutrophil count [(3.21±0.53)×109/L, (2.61±0.39)×109/L], NLR[(2.93±0.58), (2.12±0.35)], AFP[(68.32±8.47) ng/mL, (24.18±4.12) ng/mL], MELD-Na[(14.13±3.08) min, (6.72±2.15) min] after 1 week and 4 weeks of treatment, respectively, were lower when compared to those of the control group (P<0.05), whereas the lymphocyte count level was higher [(1.89±0.31)×109/L, (2.14±0.29)×109/L, respectively] (P<0.05). After 1 week of treatment, the levels of the Hb, platelet count and Alb levels in both groups were decreased (P<0.05), but the above indexes in the treatment group were decreased more significantly (P<0.05). There were no differences in the incidence of adverse reactions and mortality between the two groups (P>0.05). Conclusion DPMAS model of artificial liver combined with PE assisted medical comprehensive treatment for pre-ACLF patients is more conducive in improving clinical efficacy, improving liver function, maintaining water and electrolyte balance, reducing the degree of inflammation in the body, delaying the progression of the disease, and with high safety.