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Covic, A. et al.

Covic, Goldsmith, Gusbeth-Tatomir, Volovat, Dimitriu, Cristogel, Bizo,

Successful use of Molecular Absorbent Regenerating System (MARS) dialysis for the treatment of fulminant hepatic failure in children accidentally poisoned by toxic mushroom ingestion.

BACKGROUND: Acute liver failure (ALF) as a result of mushroom poisoning is associated with a high mortality (particularly in children), despite optimal medical therapy (OMT), including charcoal haemoperfusion and haemodiafiltration. MARS is a new, cell-free, extracorporeal liver assistance method utilizing an albumin dialysate for the removal of albumin-bound toxins. METHODS: We describe the first series in the literature (also first MARS treatments in Romania) with ALF because of mushroom poisoning in children (M/F=2/4, age=7-16 years). Liver function was evaluated pre-MARS and 15-min post-MARS, 24 h following each treatment and 30 days post-MARS. FINDINGS: All patients had severe hepatic dysfunction: hepatic encephalopathy (HE; four grade II, one grade III, one grade IV), ALT=4082 (3400-5600) IU/L, bilirubin=6.3 (2-10) mg/dL, prothrombin time (PT)=52.5 (23-141) s. MARS was uneventful and well-tolerated. Two 6-h sessions per patient were performed with a similar immediate impact on liver tests: mean drop in ALT of -33 and -35%, respectively, and in bilirubin of -39 and -36%, respectively. ALT levels 24 h following MARS-1, remained unchanged but continued to drop by a further -28% following MARS-2. By contrast, all patients had a significant rebound in bilirubin (+39%) 24 h following MARS-1; however, following MARS-2 a rebound was seen only in two cases (+220%). PT improved by 37% after MARS-1 and normalized in four patients after MARS-2. OUTCOME: Four patients survived and completely recovered the hepatic function. Negative prognostic markers: lack of complete correction of PT, continuous rebound and increase in bilirubin, and lack of improvement in HE post-MARS-1. Survival in six well-matched cases, treated by OMT=0/6 (P<0.05). CONCLUSIONS: MARS is a safe and highly effective depurative therapy in children with ALF. Survival is predicted only by the impact/results of the initial MARS sessions and not by any of the baseline parameters.[1]

References

Successful use of Molecular Absorbent Regenerating System (MARS) dialysis for the treatment of fulminant hepatic failure in children accidentally poisoned by toxic mushroom ingestion. Covic, A., Goldsmith, D.J., Gusbeth-Tatomir, P., Volovat, C., Dimitriu, A.G., Cristogel, F., Bizo, A. Liver Int. (2003) [Pubmed]

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