Organ support & nutrition

Predicting the Development of Renal Replacement Therapy Indications by Combining the Furosemide Stress Test and Chemokine (C-C Motif) Ligand 14 in a Cohort of Postsurgical Patients

Crit Care MedPublished Prospective observational cohort study

Authors' conclusion

The combination of the FST with the renal biomarker CCL14 predicts the development of indications for RRT.

Study context

Population
Critically ill postoperative patients with moderate acute kidney injury (AKI) (KDIGO stage 2) and risk factors for progression (vasopressors and/or mechanical ventilation) receiving an furosemide stress test (FST), University Hospital of Muenster, Germany108 FST negative
Participants
208 patients
Exposure
FST + CCL14 vs FST vs CCL14
Outcome
Development of ≥1 predefined RRT indication (hyperkalemia ≥ 6 mmol/L, diuretic-resistant hypervolemia, urea ≥ 150 mg/dL, pH ≤ 7.15, oliguria < 200 mL/12 hr, or anuria)
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Prediction of the primary endpoint at inclusion · At the time of inclusion
GroupAUC
FST + CCL140.87 (95% CI, 0.82-0.92)
FST0.79 (95% CI, 0.74-0.85)
CCL140.83 (95% CI, 0.77-0.89)

AUC

FST + CCL140.87 (95% CI, 0.82-0.92)
FST0.79 (95% CI, 0.74-0.85)
CCL140.83 (95% CI, 0.77-0.89)
  • FST + CCL14 vs FST or CCL14 alone: P < 0.001 — significantly higher predictive value for the combination

Observational data: associations, not effects.

Further findings

Incidence of the primary endpoint

Met the primary endpoint, overall
98 (47%)
Met the primary endpoint, FST negative cohort
82%

Other biomarkers (NGAL, dipeptidyl peptidase 3)

Other biomarkers showed lower AUCs

Original publication

Predicting the Development of Renal Replacement Therapy Indications by Combining the Furosemide Stress Test and Chemokine (C-C Motif) Ligand 14 in a Cohort of Postsurgical Patients. Crit Care Med. Published 29 March 2023. doi:10.1097/ccm.0000000000005849

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