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Erschienen in:
24.02.2018 | Original article
pH after the first session of direct hemoperfusion with polymyxin B-immobilized fibers predicts mortality in patients with sepsis and septic shock
Erschienen in: Clinical and Experimental Nephrology | Ausgabe 5/2018
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Background
The definition of sepsis was updated to sepsis-3 in February 2016. Currently, direct hemoperfusion therapy using the polymyxin B-immobilized fiber cartridge (PMX-DHP) is widely performed to treat sepsis and septic shock. However, the prognostic factors of PMX-DHPs in patients with sepsis using the new definition are unclear. We retrospectively assessed prognostic factors in patients who had received PMX-DHP therapy for sepsis and septic shock.
Methods
We included 71 patients with severe infection who underwent PMX-DHP treatment from January 2006 to August 2015 in this study. Participants were re-evaluated according to the criteria of sepsis-3. The patients were divided into two groups based on having survived (n = 59) or not survived (n = 12) for 28 days after PMX-DHP treatment. Clinical data before and after PMX-DHP treatment were compared between the two groups.
Results
Non-survivors showed a lower Glasgow Coma Scale (GCS) score before PMX-DHP treatment compared with 28-day survivors [12 (6–14) vs 14 (12–15), P < 0.01]. Furthermore, pH after the first PMX-DHP session was significantly lower in non-survivors than in survivors (7.28 ± 0.23 vs 7.39 ± 0.06, P = 0.03). Multivariate logistic regression analysis showed that only lower pH after the first PMX-DHP session was a predictor of 28-day mortality independent of age, sex, GCS score, and mean arterial pressure (odds ratio per pH of 0.01, 0.93; 95% confidence interval, 0.83–0.99; P = 0.02).
Conclusion
The pH after the first PMX-DHP session is an independent risk factor for mortality in patients receiving PMX-DHP for sepsis and septic shock.