Physicians' Academy for Cardiovascular Education

Different risk factors for stroke subtypes and depending on age

Age‐Specific Vascular Risk Factor Profiles According to Stroke Subtype

Literature - Hauer AJ, Ruigrok YM, Algra A, et al, and the Dutch Parelsnoer Institute‐Cerebrovascular Accident Study Group - J Am Heart Assoc. 2017;6:e005090

Main results

Risk factors for ischemic stroke:

Ischemic stroke risk factors varied further, according to the etiology, e.g. large artery atherosclerosis (LAA), small vessel disease (SVD), or cardio-embolism.

Risk factors for spontaneous intracerebral hemorrhage:

Risk factors for aneurysmal subarachnoid hemorrhage:

Conclusion

Various stroke subtypes have different risk profiles that vary according to age. Obesity was common (>20%) in patients younger than 55 years with sICH and in those with IS caused by either LAA or SVD. Age-specific prevalences of potentially modifiable risk factors were similar in those with LAA and SVD, showing more hypertension, hyperlipidemia, and diabetes mellitus than patients with IS of cardiac origin. The latter differences became less pronounced with increasing age.

In younger individuals, premature atherosclerosis is a very important risk factor for stroke. These results support a more tailored primary and secondary stroke prevention strategy, particularly for younger individuals.

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