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The effect of molecular adsorbent recirculating system on pathophysiological parameters in patients with acute liver failure

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Abstract

Objective

To investigate the effect of the molecular adsorbent recirculating system (MARS) on physiological variables in patients with acute liver failure.

Design

A prospective, observational study of MARS in addition to standard medical therapy in the management of patients presenting with acute liver failure.

Setting

A regional liver transplant centre.

Patients

Ten consecutive patients admitted with acute liver failure with a grade III or IV hepatic encephalopathy.

Interventions

MARS therapy for 8 h on 2 consecutive days. Standard monitoring included the use of a pulmonary artery catheter and an intracranial pressure monitor.

Measurements and results

During the first MARS treatment there was a significant increase in systemic vascular resistance index (SVRI) from 1114±196 to 1432±245 dyne s−1 cm−5m−2 with a reduction in cardiac index from 5.5±0.6 to 4.2±0.4 l min−1 m−2. The changes were maintained between the start of the first and second sessions but not to the end of second. Significant clearance of urea and creatinine was observed. Intracranial pressure did not change during the treatments. Overall mortality was 70%.

Conclusions

MARS therapy was well tolerated, with significant increases in vascular tone during the first session. This increase was not sustained over the duration of the study with a return to baseline values by the end of the second session. Based on our experience we cannot recommend the routine use of MARS therapy in acute liver failure outside of a clinical trial.

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Acknowledgements

Teraklin AG, Germany, provided the MARS kits for the study, free of cost.

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Authors and Affiliations

  1. Liver Laboratories, University of Birmingham, Birmingham, UK

    Wai Kwan Lai

  2. Queen Elizabeth Hospital, Birmingham, UK

    Geoff Haydon, David Mutimer & Nick Murphy

Authors
  1. Wai Kwan Lai
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  2. Geoff Haydon
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  3. David Mutimer
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  4. Nick Murphy
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Corresponding author

Correspondence to Nick Murphy.

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Lai, W.K., Haydon, G., Mutimer, D. et al. The effect of molecular adsorbent recirculating system on pathophysiological parameters in patients with acute liver failure. Intensive Care Med 31, 1544–1549 (2005). https://doi.org/10.1007/s00134-005-2786-y

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  • DOI: https://doi.org/10.1007/s00134-005-2786-y

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