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Stroke

Prevalence
Clinical features
Investigations
Therapy
Prevention
Prognosis
Prevention

Acute ischaemic stroke or transient ischaemic attack

Consider adding dipyridamole a

Why?

  • Aspirin and dipyridamole reduces recurrent stroke more effectively than aspirin, but increases the risk of moderate or severe bleeding. There is no clear effect on mortality. a

Dipyridamole added to aspirin reduces stroke better than aspirin alone, but causes more bleeding

Patient Treatment Comparison Outcome CER RRR
(95% CI)
NNT
(95% CI)
recent TIA or ischaemic stroke a aspirin and dipyridamole aspirin stroke
at 2 years
13% 29%
(14% to 42%)
25
(16 to 57)
      moderate or severe bleed
at 2 years
  -140%
(-280% to -48%)
-48
(-99 to -31)

Expiry date: October 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   G  Donnan
CAT Writers   CJ   Wotton , N   Shenker , CM   Ball