In patients with incidentally discovered covert brain infarcts, each additional modifiable cardiovascular risk factor was associated with a 1.08 increase in the number of CBIs (95% CI, 1.04−1.13).
Patients with incidentally discovered covert brain infarcts have a high burden of poorly controlled cardiovascular risk factors, and the number of risk factors correlates with the number of infarcts, highlighting the need for dedicated assessment and management.
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Abstract Introduction Covert brain infarctions (CBIs) are associated with cardiovascular risk factors (cvRFs). We aimed to evaluate the presence and therapeutic implications of modifiable cvRFs in patients with incidentally discovered CBI on routine neuroimaging. Patients and methods The SILENT cohort (NCT05685069) is a prospective, multicentred European cohort recruiting patients with incidentally detected focal CBIs on routine MRI, without prior clinical stroke. Modifiable cvRFs and their control were assessed using applicable international guidelines during a dedicated outpatient visit, including a clinical examination and laboratory work-up. Associations between cvRF profiles and the number of CBIs were analysed using linear regression. Results We included 231 patients (mean age 65 years, n = 130 56% male) with a total of 445 CBI lesions. Most CBIs were of lacunar type (n = 226; 51%) and the most common location was the cerebellum (n = 220; 50%). One hundred and fifty (65%) patients had at least 1, 112 (49%) at least 2 and 56 (24%) at least 3 known modifiable cvRFs. Among hypertensive patients, 69 (53%) had uncontrolled hypertension; 22 (65%) of diabetics were insufficiently controlled and 74 (58%) patients with dyslipidaemia had poorly controlled low-density lipoprotein cholesterol. Therapeutic measures were made for 144 patients (62%), including antiplatelet initiation in 107 (46%) and a statin in 69 (30%). The number of cvRFs per patient was significantly associated with the number of CBIs, rate ratio 1.08 (95% Confidence Interval (CI), 1.04−1.13). Conclusion In patients with incidentally discovered CBI, we found a high burden of poorly controlled cvRFs. Our findings highlight the importance and yield of a dedicated clinical and laboratory assessment of cvRFs in patients with CBIs.
Vautibault et al. (Thu,) reported a other. In patients with incidentally discovered covert brain infarcts, each additional modifiable cardiovascular risk factor was associated with a 1.08 increase in the number of CBIs (95% CI, 1.04−1.13).
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