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A study reveals that major risk factors are often not diagnosed in patients with ischaemic stroke.

Recent research by the European Academy of Neurology Congress 2022 has shown that the majority of those who suffer from ischemic strokes have underlying disorders.
Overall, the study revealed that 67.7 percent of stroke patients had undiagnosed major risks factors (UMRF).
The Centre Vaudois in Lausanne, Switzerland analysed the health records of 4,354 stroke victims from the ASTRAL registry between 2003 and 2018, 1,125 of which had UMRF.
Dyslipidaemia was the most prevalent vascular risk factor. This is an abnormality in blood fats like high cholesterol or elevated levels of triglycerides (61.4% of patients). High blood pressure was second (23.7 percent of patients), while atrial fibrillation (0.2 percent of patients) was the most common risk factor. This condition causes an irregular and fast heartbeat.

Multivariate analysis revealed a positive association between UMRF and patients of lower age, non Caucasian ethnicity, contraceptive use for women under 55 years old, and smoking among patients over 55 years. Research also showed negative associations between higher Body Mass Index (BMI) and antiplatelet (blood thinner), use prior to stroke.
The most common type is called Ischaemic Stroke. It occurs when blood clots or blockages cut off blood supply to brain.
Dr. Andre Rego was the lead author. He said that the study provided important insight into risk factors for ischaemic-stroke.
Dr Rego commented, “Our findings highlight the importance to test and treat blood fat imbalances such high cholesterol or triglyceride level as well blood pressure and identifying & treating those with atrial fibrillation (or type 2 diabetes)”.
“Prior to this study, there was little clinical information regarding the stroke mechanism, patient profile, and frequency in patients with acute strokes with undiagnosed major risk factors. We hope this study will identify potential stroke victims who require intensive prevention techniques and surveillance.


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