Heart failure & cardiomyopathies

External Validation of the Natriuretic Response Prediction Equation to Discriminate Diuretic Response in Heart Failure

ESC Heart FailPublished Diagnostic accuracy study

Authors' conclusion

In this cohort of patients with ADHF, the NRPE outperformed spot urine sodium concentration and all other metrics related to diuretic response to predict poor natriuretic response.

Study context

Population
Patients admitted with acute decompensated HF requiring IV loop diuretics87 diuretic administrations analysed
Participants
49 patients
Comparison
Natriuretic response prediction equation (NRPE) vs spot urine sodium vs urine output to predict poor natriuretic response
Outcome
Discrimination of poor loop diuretic natriuretic response (sodium output <50 mmol)
Follow-up
6 h following diuretic administration
Methodological detailsexternal validation
  • External validation

Performance

As reported in the abstract

Poor natriuretic response during 6-h urine collection · 6 h
Test or modelAUC
NRPE0.91 (95% CI 0.85-0.98)
Spot urine sodium0.75
Urine output0.74

AUC

NRPE0.91 (95% CI 0.85-0.98)
Spot urine sodium0.75
Urine output0.74
Poor natriuretic response occurred in visits
39%

Original publication

External Validation of the Natriuretic Response Prediction Equation to Discriminate Diuretic Response in Heart Failure. ESC Heart Fail. Published 12 August 2024. doi:10.1002/ehf2.14801

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