An estate agents cost celebrex Until now, only a few studies have looked at the potential link between stroke and PTSD, so US scientists decided to investigate this further. They analysed the results of nine studies involving over 1,100 survivors of stroke and transient ischaemic attacks (TIA), which are commonly known as ‘mini-strokes'. While mini-strokes do not usually cause any permanent damage, they are a warning sign that a person may be at risk of a major stroke.