Prognostic significance and clinical determinants of residual dyspnoea at discharge in acute heart failure: a single-centre, prospective observational study
- PMID: 37984947
- PMCID: PMC10661057
- DOI: 10.1136/bmjopen-2023-075302
Prognostic significance and clinical determinants of residual dyspnoea at discharge in acute heart failure: a single-centre, prospective observational study
Abstract
Objective: This study aimed to assess the prognostic significance of residual (discharge) dyspnoea in acute heart failure (AHF) patients.
Design: Single-centre, prospective observational study.
Setting: Patients hospitalised for decompensated AHF in a single cardiology centre, in Poland.
Participants: All patients (n=202) who survived the hospitalisation with the primary diagnosis of AHF and were discharged from the hospital.
Primary and secondary outcome measures: 1-year all-cause mortality; and the composite endpoint of 1-year all-cause mortality and rehospitalisation for the HF (whichever occurred first).
Results: On admission, 159 (78.7%) AHF patients presented dyspnoea at rest, while residual resting dyspnoea at discharge was present in 16 patients (7.9%). There were 48 (24%) patients with moderate/severe exertional dyspnoea at discharge. In the multivariable model, the resting dyspnoea at discharge was related to a higher risk of both 1-year mortality and composite outcome, with HR (95% CI) 8.0 (3.7 to 17.3) and 5.1 (2.6 to 10.2), respectively, both p<0.0001. Analogically, moderate or severe residual dyspnoea at discharge was related to the heightened risk of study both outcomes, with HR (95% CI) 3.1 (1.8 to 5.4) and 1.8 (1.1 to 2.9), respectively, p<0.01.
Conclusions: Among AHF patients the residual dyspnoea at discharge was unexpectedly common and was associated with an unfavourable outcome during 1-year follow-up.
Keywords: Acute Heart Failure; dyspnea; outcome.
© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.
Conflict of interest statement
Competing interests: PP reports personal fees from Boehringer Ingelheim, AstraZeneca, Servier, Bristol Myers Squibb, Amgen, Novartis, Merck, Pfizer, Berlin Chemie, and grants and personal fees from Vifor Pharma. All other authors have nothing to declare.
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References
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