Aortic & peripheral vascular disease

Combined Effects of Clonal Hematopoiesis and Carotid Stenosis on Cardiovascular Mortality

J Am Coll CardiolPublished Prospective cohort study

Main finding · CV deathResult — go to the resultHazard ratio 1.50 95% CI 1.12–2.00

Authors' conclusion

CH status in combination with the extent of carotid atherosclerosis jointly predict long-term mortality.

Study context

Population
Patients with asymptomatic carotid atherosclerosis evaluated by duplex sonographymedian age 69.2 years
Participants
968 patients
Exposure
CH vs no CH
  • CHn = 133
Outcome
CV death

Main finding

As reported in the abstract

Hazard ratio

1.50

95% CI 1.12–2.00

P = 0.007

CHvs No CH
HR 1.50 (95% CI 1.12–2.00); P = 0.007

Observational data: associations, not effects.

Further findings

CV mortality, >50% carotid stenosis with concomitant CH

Adjusted HR (95% CI)P value
>50% stenosis + CH1.60 (1.08–2.38)P = 0.020
CH prevalence
13.7% · 133

CH prevalence

Prevalence increasing at advanced age

CV death by age and inflammatory status

Effect of CH more pronounced in older patients and independent of hs-CRP

Original publication

Combined Effects of Clonal Hematopoiesis and Carotid Stenosis on Cardiovascular Mortality. J Am Coll Cardiol. Published 7 May 2024. doi:10.1016/j.jacc.2024.02.043

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