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Webster, M W; Chancellor, A M; Smith, H J; Swift, D L; Sharpe, D N; Bass, N M; Glasgow, G L
The Lancet (British edition), 07/1988, Letnik: 2, Številka: 8601Journal Article
The prevalence of patent foramen ovale in patients presenting with non-haemorrhagic stroke or transient ischaemic attacks under the age of 40 years was determined by contrast echocardiography. Studies were performed at rest and with a Valsalva manoeuvre in 40 stroke patients and in an age and sex matched control group. Right-to-left shunting was found in 20 (50%) of the stroke patients and 6 (15%) of the controls (p less than 0.001). Paradoxical embolism through a patent foramen ovale may be an under-recognised cause of stroke in young adults.
