Heart failure & cardiomyopathies

The Characteristics and Outcomes in Patients with Acute Heart Failure Who Used Tolvaptan: From KCHF Registry

ESC Heart FailPublished Registry-based observational cohort study

Main finding · MortalityResult — go to the resultHazard ratio 1.53 95% CI 0.77–3.02

Authors' conclusion

AHF patients with tolvaptan use had more congestive status with poorer in-hospital outcomes and higher short-term mortality than those without tolvaptan use.

Study context

Population
Patients with acute HF in the Kyoto Congestive Heart Failure registry, excluding dialysis and prior or unknown tolvaptan useof 4056 consecutive patients
Participants
3,802 patients
Exposure
Tolvaptan use vs no tolvaptan use
  • Tolvaptan usen = 773
  • No tolvaptan usen = 3,029reference
Outcome
All-cause mortality
Follow-up
90 days after admission
Methodological detailsmulticentre, consecutive patients
  • Multicentre
  • Consecutive patients

Main finding

Mortality

Hazard ratio

1.53

95% CI 0.77–3.02

P = 0.22

By group

Tolvaptan usevs No tolvaptan use
HR 1.53 (95% CI 0.77–3.02); P = 0.22

As reported in the abstract

Observational data: associations, not effects.

Further findings

Hospital stay

  • Hospital stay: P < 0.0001

Tolvaptan use prevalence across centres

Prevalence of tolvaptan use across centres
48.7% to 0%

Factors independently associated with tolvaptan use

DM, poor medical adherence, oedema, pleural effusion, hyponatraemia, eGFR < 30 mL/min/1.73 m², moderate/severe tricuspid regurgitation, dobutamine within 24 h, additional inotropes beyond 24 h

Safety

Worsening renal failure

Worsening HF

  • Worsening renal failure: P < 0.0001
  • Worsening HF: P < 0.0001

Original publication

The Characteristics and Outcomes in Patients with Acute Heart Failure Who Used Tolvaptan: From KCHF Registry. ESC Heart Fail. Published 29 August 2023. doi:10.1002/ehf2.14494

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