Cardiothoracic & vascular anesthesia

Oxiris Filter Therapy in Vasoplegic Shock After Cardiac Surgery: A Single-Center Retrospective Study

J Cardiothorac Vasc AnesthPublished Retrospective cohort study

Main findingResult — go to the resultMean difference −18.9 95% CI −37.3 to −0.4

Authors' conclusion

Oxiris filter therapy was associated with a significantly greater reduction in vasoactive inotropic support compared to standard CRRT filters in patients with vasoplegia following cardiac surgery.

Study context

Population
Patients with vasoplegia (cardiac index ≥2.2 L/min/m², norepinephrine ≥0.60 µg/kg/min for MAP ≥65 mmHg) needing continuous renal replacement therapy (CRRT) within 24 hours after cardiac surgery, tertiary cardiothoracic ICUcardiac transplantation most common surgery
Participants
Fifty-eight patients
Exposure
Oxiris hemadsorption filter vs standard CRRT filter
  • Oxirisn = 30
  • Controln = 28reference
Outcome
Change in vasoactive inotropic score (VIS), linear regression adjusted for baseline variables
Follow-up
48 hours after start of CRRT
Methodological detailsinvestigator-initiated, single-centre
  • Investigator-initiated
  • Single-centre

Main finding

As reported in the abstract

Mean difference

−18.9

95% CI −37.3 to −0.4

P = 0.045

Oxiris vs control
mean difference −18.9 (95% CI −37.3 to −0.4); P = 0.045

Observational data: associations, not effects.

Secondary outcomes

OutcomeMean group difference (µg/kg/min) (95% CI)P value
Norepinephrine dose−0.19 (−0.35 to −0.03)P = 0.019

Hemodynamic parameters, fluid balance, ICU stay, 30-day mortality

No significant differences

Original publication

Oxiris Filter Therapy in Vasoplegic Shock After Cardiac Surgery: A Single-Center Retrospective Study. J Cardiothorac Vasc Anesth. Published 30 January 2026. doi:10.1053/j.jvca.2026.01.035

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