Heart failure & cardiomyopathiesCohort study

Left Ventricular Dysfunction Associated With Brain Death: Results From the Donor Heart Study

CirculationPublished

  • Prospective cohort study
  • multisite

Authors' conclusion

LV dysfunction associated with brain death occurs in many potential heart donors and is sometimes reversible.

Study context

Population
Potential heart donors by neurologic determination of death, 8 organ procurement organizations, US, February 2015–May 20203,794 with initial TTE
Participants
4,333 donors

Main finding

As reported in the abstract

LV dysfunction on initial TTE

Left ventricular (LV) dysfunction

493 (13%)

Observational data: associations, not effects.

Further findings

OutcomeNormal LV functionReversible LV dysfunctionNonreversible LV dysfunction
Donor heart acceptance for transplantSixty percent56%24%

Reversibility of LV dysfunction on second TTE · 24±6 hours

Reversible LV dysfunction among donors with second TTE (n=224)
130 (58%)

Factors associated with LV dysfunction

LV dysfunction associated with younger age, underweight, and higher NT-proBNP and troponin levels

Recipient 1-year survival

Donor LV dysfunction, reversible or not, not associated with recipient 1-year survival

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Left Ventricular Dysfunction Associated With Brain Death: Results From the Donor Heart Study. Circulation. Published 19 July 2023. doi:10.1161/circulationaha.122.063400

Summarised from the published abstract; every number is checked against it