Comparison of risk factors for lacunar infarcts and other stroke subtypes.

L. C. Hsu, H. H. Hu, C. C. Chang, W. Y. Sheng, S. J. Wang, W. J. Wong

Research output: Contribution to journalArticle

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Abstract

BACKGROUND: Lacunar infarction (LI) is an ischemic stroke subtype with unique clinical, radiological and pathological features. Its relation to other stroke subtypes is unclear. To better understand the underlying pathological process of LI, we compared the risk factors of LI with those of other stroke subtypes. METHODS: During the study period (from January 1, 1990 to December 31, 1991), 240 consecutive patients with first-ever strokes admitted to the stroke unit of our hospital were enrolled to the study and were classified into one of the four stroke subtypes (52 with LI, 80 atherothrombotic infarcts, 38 cardiogenic embolism and 70 brain hemorrhage) based on their computed tomography (CT) and clinical features using the guideline developed by the National Institute of Neurological Disorders. Eighty outpatients of similar age who had either low back pain or cervical spondylosis were recruited from the clinics of Neurology to serve as non-stroke controls. Data collected included demographics, lifestyle, and other vascular risk factors. Detailed physical and neurological examination, blood biochemistry and Doppler ultrasound on cervical vessels were performed. RESULTS: Our investigations revealed that LI is a common stroke subtype accounting for 21% of all first-ever strokes in our hospital. Like ischemic stroke patients, those with LI were much more likely to have hypertension, diabetes, heart disease and carotid disease when compared with non-stroke controls. Patients with brain hemorrhage had less history of diabetes and lower levels of cholesterol than LI patients. CONCLUSIONS: LI patients seemed to share more risk factors with ischemic stroke patients than with brain hemorrhage patients. These shared risk factors suggest a possibly similar underlying pathological process between ischemic strokes and LI patients. Careful screening for those risk factors should be part of the mandatory clinical management for the prevention of LI.

Original languageEnglish
Pages (from-to)225-231
Number of pages7
JournalZhonghua yi xue za zhi = Chinese medical journal; Free China ed
Volume59
Issue number4
Publication statusPublished - Apr 1 1997
Externally publishedYes

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Lacunar Stroke
Stroke
Intracranial Hemorrhages
Pathologic Processes
Spondylosis
Doppler Ultrasonography
Hospital Units
Neurologic Examination
Neurology
Low Back Pain
Nervous System Diseases
Embolism
Biochemistry
Physical Examination
Life Style
Heart Diseases
Outpatients
Cholesterol
Tomography

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Comparison of risk factors for lacunar infarcts and other stroke subtypes. / Hsu, L. C.; Hu, H. H.; Chang, C. C.; Sheng, W. Y.; Wang, S. J.; Wong, W. J.

In: Zhonghua yi xue za zhi = Chinese medical journal; Free China ed, Vol. 59, No. 4, 01.04.1997, p. 225-231.

Research output: Contribution to journalArticle

Hsu, L. C. ; Hu, H. H. ; Chang, C. C. ; Sheng, W. Y. ; Wang, S. J. ; Wong, W. J. / Comparison of risk factors for lacunar infarcts and other stroke subtypes. In: Zhonghua yi xue za zhi = Chinese medical journal; Free China ed. 1997 ; Vol. 59, No. 4. pp. 225-231.
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