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Blood Purif. 2016;42(1):9-17. doi: 10.1159/000444474. Epub 2016 Feb 27.

Potential Survival Benefit of Polymyxin B Hemoperfusion in Septic Shock Patients on Continuous Renal Replacement Therapy: A Propensity-Matched Analysis.

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Department of Hemodialysis and Apheresis, School of Public Health, The University of Tokyo Hospital, Tokyo, Japan.

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We assessed the survival benefit of polymyxin B hemoperfusion (PMX) in septic shock patients starting continuous renal replacement therapy (CRRT), who are known to have an increased rate of mortality.


Adult patients in the Japanese diagnosis procedure combination database satisfying the following criteria were enrolled: hospitalized in 2007-2012; diagnosed as having sepsis; required noradrenaline and/or dopamine; and started CRRT in intensive care unit. Propensity scores for receiving PMX were created from patient and hospital characteristics.


Of 3,759 eligible patients, 1,068 received PMX. Propensity-score matching produced a matched cohort of 978 pairs. The 28-day mortality was 40.2% (393/978) in the PMX group and 46.8% (458/978) in the control group (p = 0.003). Logistic regression analysis revealed a significant association between the use of PMX and decreased 28-day mortality (adjusted OR 0.75; 95% CI 0.62-0.91).


This large retrospective study suggests that septic shock patients starting CRRT may benefit from PMX.

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