Heart failure & cardiomyopathies

Time to Intravenous Diuretic Administration in Patients Hospitalized with Heart Failure: An Observational Study

ESC Heart FailPublished Retrospective cohort study

Authors' conclusion

In Japan, real-world patterns of intravenous diuretic administration for patients with heart failure remains far from the time-sensitive approach recommended in Japanese, European, and United States guidelines.

Study context

Population
Patients hospitalized with HF requiring urgent IV diuretic therapy in Japan
Participants
1,577 patients
Exposure
With vs without diuretic modification
  • With diuretic modificationn = 437
  • Without diuretic modificationn = 1,140reference
Outcome
Time from hospital visit to first, second and maximum dose of IV diuretics
Methodological detailsJapanese medical records database
  • Japanese medical records database

Main finding

As reported in the abstract

Time from hospital visit to first IV diuretic dose
IV diuretic received within 1 h of hospital visit
43.5% (686/1577)
IV diuretic received ≤2 h of hospital visit
16.4% (258/1577)
Diuretic modification after first 24 h of hospital visit
59.0% (258/437)
Median time to first dose titration
18.6 h
Median time to first combination diuretic use
17.0 h

Observational data: associations, not effects.

Further findings

Duration of IV diuretic use

Length of hospitalization

Repeated IV diuretic administration

In-hospital death

Type of modification among patients with inadequate response after first dose

IV dose titration
42.1%
Combination diuretics
56.5%
Both
1.4%

Duration of IV diuretic use

Significantly longer with diuretic modification

Repeated IV diuretic administration

Significantly greater proportion with diuretic modification

Length of hospitalization

Similar with vs without diuretic modification

In-hospital death

Similar with vs without diuretic modification

Original publication

Time to Intravenous Diuretic Administration in Patients Hospitalized with Heart Failure: An Observational Study. ESC Heart Fail. Published 6 August 2024. doi:10.1002/ehf2.15005

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