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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Womens Health (Lond). 2011 May;7(3):363–374. doi: 10.2217/whe.11.19

Table 1.

Summary of the published incidence, mortality and morbidity of pregnancy-related stroke.

Study (year) Population sampled
(years)
Inclusion Incidence (per 100,000 Mortality/morbidity (%)
deliveries)
Ref.
Cross et al.
(1968)
Killearn Hospital, Glasgow, Scotland, UK
(1956–1967)
Carotid artery distribution infarcts in
pregnancy plus up to 16 days PP
5 Mortality 26 [25]
Wiebers et al.
(1985)
Rochester, MN, USA
(1955–1979)
3.8 [49]
Simolke et al.
(1991)
Parkland Memorial Hospital, Dallas, TX,
USA
(1984–1990)
Stroke: included CVT
ICH: included SAH
Stroke: 10
ICH: 6.7
Overall: morbidity 40, mortality 20 [50]
Sharshar et al.
(1995)
Hospitals in region of ile de France
(1989–1992)
Stroke: ‘stroke-like deficits’,
excluded CVT
ICH: excluded SAH
Pregnancy plus 2 weeks PP
Stroke: 4.3
ICH: 4.6
Stroke: morbidity 33, mortality 0
ICH: morbidity 50, mortality 25
[8]
Kittner et al.
(1996)
Hospitals in Baltimore–Washington DC,
USA (1988–1991)
Stroke: included CVT
ICH: excluded SAH
Pregnancy plus 6 weeks PP
Women aged 15–44 years
Stroke: 11
ICH: 9
[1]
Lanska and
Kryscio(1997)
National Hospital Discharge Survey
(1979–1991)
Diagnosis codes 674.0 or 671.5from
hospitalization of delivery
Stroke: 10.3
CVT: 8.9
Stroke: mortality 2.2
CVT: mortality 0
[2]
Lanska and
Kryscio(1998)
National Hospital Discharge Survey
(1979–1991)
Diagnosis codes 674.0 or 671.5, not
restricted to hospitalization of delivery
Women aged 15–44 years
Stroke: 17.7
CVT: 11.4
Stroke: mortality 3.3
CVT: mortality 0
[3]
Lanska and
Kryscio (2000)
Nationwide Inpatient Sample
(1993-1994)
Diagnosis codes 674.0 or 671.5 from
hospitalization of delivery
Women aged 15-44 years
Stroke: 13.1
CVT: 11.6
Stroke: mortality 14.7
CVT: mortality 0
9.3 of those discharged had postacute
care needs
[4]
Jaigobin and
Silver (2000)
Toronto Hospital, Canada
(1980–1997)
Stroke: included CVT
ICH: included SAH
Stroke: 18
ICH: 8
Stroke: mortality 0
ICH: mortality 23
[11]
James et al.
(2005)
Nationwide Inpatient Sample
(2000–2001)
Included hemorrhage, arterial stroke,
CVT or diagnosis code 674.0
34.2 Mortality 4.1
22 discharged to facility other than home
[5]
Bateman et al.
(2006)
Nationwide Inpatient Sample
(1993–2002)
ICH: diagnosis code 431
Women aged 15–44 years
ICH: 6.1 Mortality 20.3 [7]
Liang et al.
(2006)
Chang Gung Memorial Hospital, Taiwan
(1992–2004)
Stroke: included CVT
ICH: included SAH
Stroke: 13.5
ICH: 25.4
[12]

†The ninth edition of the International Classification of Diseases (ICD-9) 674.0 includes the following ICD-9 codes, occurring during pregnancy, childbirth or the puerperium: 430 SAH; 431 ICH; 432 other and unspecified intracranial hemorrhage; 433 occlusion and stenosis of precerebral arteries; 434 occlusion of cerebral arteries; 436 acute, but ill-defined cerebrovascular disease (which includes apoplectic apoplexy and cerebral seizure); 437 other and ill-defined cerebrovascular disease (which includes cerebral atherosclerosis, hypertensive encephalopathy, cerebral aneurysm unruptured, cerebral arteritis, Moyamoya disease, nonpyogenic thrombosis of the intracranial venous sinus and transient global amnesia).

‡ICD-9 671.5: CVT.

CVT: Cerebral venous thrombosis; ICH: Intracerebral hemorrhage; PP: Postpartum; SAH: Subarachnoid hemorrhage.