The mini-stroke offers a valuable opportunity: a warning that arrives before lasting harm, with a window of days in which established treatment can lower the risk of what may follow.
October 29, 2026 is World Stroke Day. Stroke was Malaysia’s third leading cause of death in 2023, and the Galen Centre for Health and Social Policy estimates about 52,000 new strokes a year, or roughly 140 every day.
Neurologists interviewed by CodeBlue last December noted that around one in four strokes now occurs in people under 50.
Much of the discussion around stroke care, quite rightly, concerns what happens once a stroke has occurred: reaching a hospital that can dissolve or remove the clot, and the rehabilitation that follows.
This piece is about an earlier point, one that is less costly to act on and easily overlooked: the transient ischaemic attack.
A Warning That Is Easy To Miss
A transient ischaemic attack, or TIA, often called a mini-stroke, is a brief interruption of blood supply to part of the brain. For a few minutes, sometimes up to an hour, there may be drooping of one side of the face, weakness in an arm, slurred speech, or loss of vision in one eye.
The symptoms then resolve. It is understandable that people feel reassured, and the episode may be attributed to tiredness or the heat and not mentioned to a doctor.
A TIA is, however, an important signal. It indicates that a clot has reached the brain and cleared before causing lasting damage, and the risk of a stroke is highest in the days that follow.
In an international registry of nearly 4,800 patients, most of whom were assessed by a stroke specialist within 24 hours, about one in twenty went on to have a stroke within a year.
Prompt assessment makes a measurable difference. In the EXPRESS study from Oxford University, when patients were assessed and treatment was started on the same day rather than at a later clinic appointment, the 90-day risk of stroke fell from about 10 per cent to about 2 per cent.
The treatments themselves were well-established: antiplatelet medication, a statin, blood pressure control, and timely investigation. What changed was when they began.
The Carotid Arteries
Part of that investigation is an assessment of the carotid arteries, the two vessels in the neck that supply much of the blood to the brain.
Like the arteries of the heart and legs, they can narrow with cholesterol plaque, and a fragment of plaque can travel to the brain. About one in 12 ischaemic strokes has been attributed to narrowing of this kind.
Carotid narrowing can be identified with an ultrasound scan of the neck, a painless test that takes about 20 minutes and requires no injection.
Where the narrowing is significant and has caused symptoms, surgery to clear the artery, or in selected patients a stent, reduces the risk of a further stroke.
The timing of treatment matters. In a pooled analysis of the major trials, the benefit was greatest when surgery took place within two weeks of symptoms and diminished considerably thereafter.
Making The Most Of The Warning
Three things appear to make the greatest difference after a mini-stroke, in Malaysia, as elsewhere.
Prompt assessment: In a number of health systems, rapid-access TIA clinics or emergency department protocols allow treatment to begin, and a carotid scan to be arranged, within a day or two.
This does not require a specialist stroke centre; it depends mainly on an agreed pathway and on scan capacity being available when needed.
Recognising symptoms that resolve: The FAST (Face, Arms, Speech, Time) message is widely known. It is worth adding that it applies even when the symptoms have settled by the time help is sought.
A same-day medical assessment, by calling 999 or attending hospital, remains the safest course.
Knowing one’s blood pressure: The National Health and Morbidity Survey 2023 estimated about 6.7 million Malaysian adults with hypertension, with 11.9 per cent of all adults having raised blood pressure that had not previously been diagnosed, roughly four in ten of those affected.
Among adults aged 18 to 29, the health minister told Parliament this month that more than eight in ten with hypertension or diabetes were unaware of it.
Undiagnosed hypertension is common in many countries, and a blood pressure check is a simple place to start.
A Window Of Opportunity
Stroke care in Malaysia continues to develop, and the current discussion around a national stroke policy is encouraging.
Alongside it, the mini-stroke offers a valuable opportunity: a warning that arrives before lasting harm, with a window of days in which established treatment can lower the risk of what may follow.
Recognising it, and acting on it promptly, is something patients, families and clinicians can all contribute to.
Dr Andrew Choong is a vascular and endovascular surgeon in Singapore.
- This is the personal opinion of the writer or publication and does not necessarily represent the views of CodeBlue.
