Heart failure & cardiomyopathies

Subclinical left ventricular systolic dysfunction and incident stroke in the elderly: long-term findings from Cardiovascular Abnormalities and Brain Lesions

Eur Heart J Cardiovasc ImagingPublished Prospective cohort study

Main finding · Ischaemic strokeResult — go to the resultHazard ratio 2.69 95% CI 1.47–4.92

Authors' conclusion

LV GLS was a strong independent predictor of ischaemic stroke in a predominantly elderly stroke-free cohort.

Study context

Population
Stroke-free, predominantly elderly participants of the Cardiac Abnormalities and Brain Lesions (CABL) study (mean age 71.4 ± 9.4 years, 60.9% women)
Participants
708 participants
Exposure
Abnormal vs normal LV GLS
  • Abnormal LV GLSn = 133
Outcome
Incident ischaemic stroke
Follow-up
Mean 10.8 ± 3.9 years

Main finding

Ischaemic stroke

Hazard ratio

2.69

95% CI 1.47–4.92

P = 0.001

Abnormal LV GLSvs Normal LV GLS
HR 2.69 (95% CI 1.47–4.92); P = 0.001

As reported in the abstract

Cumulative incidence significantly higher with abnormal LV GLS
P < 0.001
Ischaemic stroke events, overall
47 (6.6%)

Observational data: associations, not effects.

Further findings

OutcomeAdjusted HR (95% CI)P value
Cardioembolic or cryptogenic stroke26 events3.57 (1.51–8.43)P = 0.004

Cardioembolic or cryptogenic stroke

Not predictive of other stroke subtypes (21 events)

Original publication

Subclinical left ventricular systolic dysfunction and incident stroke in the elderly: long-term findings from Cardiovascular Abnormalities and Brain Lesions. Eur Heart J Cardiovasc Imaging. Published 28 July 2022. doi:10.1093/ehjci/jeac145

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