期刊
LIVER INTERNATIONAL
卷 41, 期 5, 页码 1083-1096出版社
WILEY
DOI: 10.1111/liv.14806
关键词
ACLF; artificial liver support; golden window; multiorgan failure; systemic inflammatory response syndrome
Plasma-exchange has been shown to improve systemic inflammation and lower the development of multiorgan failure in patients with acute liver failure. It provides significant survival benefit over Fractional Plasma Separation and Adsorption and could be a preferred modality of liver support for ACLF patients. Plasma-exchange cleared inflammatory cytokines, damage-associated molecular patterns, and endotoxin in all patients, and responders showed improved immune function and cytokine levels compared to non-responders.
Background and Aim Plasma-exchange (PE) has improved survival in acute liver failure by ameliorating systemic inflammatory response syndrome (SIRS). We evaluated PE and compared it to Fractional Plasma Separation and Adsorption (FPSA) and standard medical treatment (SMT) in a large multinational cohort of ACLF patients. Methods Data were prospectively collected from the AARC database and analysed. Matching by propensity risk score (PRS) was performed. Competing risk survival analysis was done to identify deaths because of multiorgan failure (MOF). In a subset of 10 patients, we also evaluated the mechanistic basis of response to PE. Results ACLF patients (n = 1866, mean age 44.3 +/- 12.3 yrs, 93% males, 65% alcoholics) received either artificial liver support (ALS) (n = 162); [PE (n = 131), FPSA (n = 31)] or were continued on standard medical therapy (SMT) (n = 1704). In the PRS-matched cohort (n = 208, [ALS-119; PE-94, FPSA-25)], SMT-89). ALS therapies were associated with a significantly higher resolution of SIRS (Odd's ratio 9.23,3.42-24.8), lower and delayed development of MOF (Hazard ratio 7.1, 4.5-11.1), and lower liver-failure-related deaths as compared to FPSA and SMT (P < .05). PE cleared inflammatory cytokines, damage-associated molecular patterns, and endotoxin in all patients. Responders improved monocyte phagocytic function and mitochondrial respiration and increased the anti-inflammatory cytokine interleukin-1 receptor antagonist (IL-1RA) compared to non-responders. PE was associated with lesser adverse effects as compared to FPSA. Conclusions PE improves systemic inflammation and lowers the development of MOF in patients with ACLF. Plasma-exchange provides significant survival benefit over FPSA and could be a preferred modality of liver support for ACLF patients.
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