Heart failure & cardiomyopathies

Are non-invasive estimations of plasma volume an accurate measure of congestion in patients with chronic heart failure?

Eur Heart J Qual Care Clin OutcomesPublished Registry cohort study

Authors' conclusion

Amongst patients with CHF, HPVS and DPVS are not strongly or consistently associated with clinical or ultrasound evidence of congestion, nor clinical outcomes after multivariable adjustment.

Study context

Population
Patients with chronic heart failure (HF) in the Hull Lifelab registrycohort 1 n = 3505
Exposure
Hakim vs Duarte formulae for estimated plasma volume status vs clinical and ultrasound markers of congestion
Outcome
Associations of PVS with congestion and outcomes

Main finding

As reported in the abstract

Estimate (95% CI)P value
HPVSmortality, cohort 1
HR per unitary increase 1.02(1.01–1.03)
P < 0.001
HPVSB-line count, cohort 2
HR 1.05(1.01–1.08)
P = 0.02
DPVSHF hospitalisation or all-cause mortality, cohort 2
HR 1.26(1.01–1.58)
P = 0.04

Observational data: associations, not effects.

Original publication

Are non-invasive estimations of plasma volume an accurate measure of congestion in patients with chronic heart failure? Eur Heart J Qual Care Clin Outcomes. Published 20 June 2022. doi:10.1093/ehjqcco/qcac035

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