Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women

Ju Mi Lee, Juned Siddique, Hyeon Chang Kim, David Green, Linda Van Horn, Matthew Allison, Sylvia Wassertheil-Smoller, Philip Greenland

Research output: Contribution to journalArticle

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Abstract

Background Known risk factors for intracerebral hemorrhage (ICH) include age, hypertension, smoking, alcohol intake, and anticoagulant use. Some previous reports have indicated that hemostatic factors measured many years before the onset of ICH might predict the later occurrence of ICH. The objective of this analysis was to test whether selected hemostatic factors measured years before the onset of ICH could identify patients at higher risk for future ICH. Methods We performed a nested case-control study within the Women's Health Initiative (WHI) cohort. Postmenopausal women aged 50-79 years (mean 68) at baseline (1993-1998) were enrolled at 40 Clinical Centers in the United States and followed for adjudicated ICH for a mean of 11.4 years. ICH cases (N = 75) and controls (N = 75) were matched on age, ethnicity, blood pressure, anticoagulant use, and treated hypertension. Stored blood samples from the baseline WHI examination were tested for von Willebrand factor (vWF), a disintegrin-like and metalloprotease domain with thrombospondin type-1 motif, number 13 (ADAMTS13), tissue plasminogen activator (t-PA), and urokinase plasminogen activator (u-PA). Platelet count, white blood cell count, and hemoglobin concentration were also measured. Results Mean baseline levels of vWF (1.03 and.95 U/mL), ADAMTS13 (1.0 and 1.1 μg/mL), vWF: ADAMTS13 ratio (.99 and.92), t-PA (14.75 and 14.80 IU/mL), and u-PA (.09 and.10 IU/mL) were not significantly different by case-control status. Significant differences were also not identified for platelet count, hemoglobin, white blood count, or reported alcohol use. Conclusion None of the 4 baseline hemostatic factors nor the platelet count was predictive of future ICH risk in this long-term study of older postmenopausal women.

Original languageEnglish
Pages (from-to)1639-1643
Number of pages5
JournalJournal of Stroke and Cerebrovascular Diseases
Volume25
Issue number7
DOIs
Publication statusPublished - 2016 Jul 1

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Cerebral Hemorrhage
Hemostatics
von Willebrand Factor
Platelet Count
Plasminogen Activators
Urokinase-Type Plasminogen Activator
Women's Health
Tissue Plasminogen Activator
Anticoagulants
Hemoglobins
Alcohols
Hypertension
Thrombospondin 1
Disintegrins
Metalloproteases
Leukocyte Count
Case-Control Studies
Smoking
Blood Pressure

All Science Journal Classification (ASJC) codes

  • Surgery
  • Rehabilitation
  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine

Cite this

Lee, Ju Mi ; Siddique, Juned ; Kim, Hyeon Chang ; Green, David ; Van Horn, Linda ; Allison, Matthew ; Wassertheil-Smoller, Sylvia ; Greenland, Philip. / Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women. In: Journal of Stroke and Cerebrovascular Diseases. 2016 ; Vol. 25, No. 7. pp. 1639-1643.
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title = "Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women",
abstract = "Background Known risk factors for intracerebral hemorrhage (ICH) include age, hypertension, smoking, alcohol intake, and anticoagulant use. Some previous reports have indicated that hemostatic factors measured many years before the onset of ICH might predict the later occurrence of ICH. The objective of this analysis was to test whether selected hemostatic factors measured years before the onset of ICH could identify patients at higher risk for future ICH. Methods We performed a nested case-control study within the Women's Health Initiative (WHI) cohort. Postmenopausal women aged 50-79 years (mean 68) at baseline (1993-1998) were enrolled at 40 Clinical Centers in the United States and followed for adjudicated ICH for a mean of 11.4 years. ICH cases (N = 75) and controls (N = 75) were matched on age, ethnicity, blood pressure, anticoagulant use, and treated hypertension. Stored blood samples from the baseline WHI examination were tested for von Willebrand factor (vWF), a disintegrin-like and metalloprotease domain with thrombospondin type-1 motif, number 13 (ADAMTS13), tissue plasminogen activator (t-PA), and urokinase plasminogen activator (u-PA). Platelet count, white blood cell count, and hemoglobin concentration were also measured. Results Mean baseline levels of vWF (1.03 and.95 U/mL), ADAMTS13 (1.0 and 1.1 μg/mL), vWF: ADAMTS13 ratio (.99 and.92), t-PA (14.75 and 14.80 IU/mL), and u-PA (.09 and.10 IU/mL) were not significantly different by case-control status. Significant differences were also not identified for platelet count, hemoglobin, white blood count, or reported alcohol use. Conclusion None of the 4 baseline hemostatic factors nor the platelet count was predictive of future ICH risk in this long-term study of older postmenopausal women.",
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Lee, JM, Siddique, J, Kim, HC, Green, D, Van Horn, L, Allison, M, Wassertheil-Smoller, S & Greenland, P 2016, 'Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women', Journal of Stroke and Cerebrovascular Diseases, vol. 25, no. 7, pp. 1639-1643. https://doi.org/10.1016/j.jstrokecerebrovasdis.2016.03.013

Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women. / Lee, Ju Mi; Siddique, Juned; Kim, Hyeon Chang; Green, David; Van Horn, Linda; Allison, Matthew; Wassertheil-Smoller, Sylvia; Greenland, Philip.

In: Journal of Stroke and Cerebrovascular Diseases, Vol. 25, No. 7, 01.07.2016, p. 1639-1643.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Hemostatic Markers and Long-Term Risk of Intracerebral Hemorrhage in Postmenopausal Women

AU - Lee, Ju Mi

AU - Siddique, Juned

AU - Kim, Hyeon Chang

AU - Green, David

AU - Van Horn, Linda

AU - Allison, Matthew

AU - Wassertheil-Smoller, Sylvia

AU - Greenland, Philip

PY - 2016/7/1

Y1 - 2016/7/1

N2 - Background Known risk factors for intracerebral hemorrhage (ICH) include age, hypertension, smoking, alcohol intake, and anticoagulant use. Some previous reports have indicated that hemostatic factors measured many years before the onset of ICH might predict the later occurrence of ICH. The objective of this analysis was to test whether selected hemostatic factors measured years before the onset of ICH could identify patients at higher risk for future ICH. Methods We performed a nested case-control study within the Women's Health Initiative (WHI) cohort. Postmenopausal women aged 50-79 years (mean 68) at baseline (1993-1998) were enrolled at 40 Clinical Centers in the United States and followed for adjudicated ICH for a mean of 11.4 years. ICH cases (N = 75) and controls (N = 75) were matched on age, ethnicity, blood pressure, anticoagulant use, and treated hypertension. Stored blood samples from the baseline WHI examination were tested for von Willebrand factor (vWF), a disintegrin-like and metalloprotease domain with thrombospondin type-1 motif, number 13 (ADAMTS13), tissue plasminogen activator (t-PA), and urokinase plasminogen activator (u-PA). Platelet count, white blood cell count, and hemoglobin concentration were also measured. Results Mean baseline levels of vWF (1.03 and.95 U/mL), ADAMTS13 (1.0 and 1.1 μg/mL), vWF: ADAMTS13 ratio (.99 and.92), t-PA (14.75 and 14.80 IU/mL), and u-PA (.09 and.10 IU/mL) were not significantly different by case-control status. Significant differences were also not identified for platelet count, hemoglobin, white blood count, or reported alcohol use. Conclusion None of the 4 baseline hemostatic factors nor the platelet count was predictive of future ICH risk in this long-term study of older postmenopausal women.

AB - Background Known risk factors for intracerebral hemorrhage (ICH) include age, hypertension, smoking, alcohol intake, and anticoagulant use. Some previous reports have indicated that hemostatic factors measured many years before the onset of ICH might predict the later occurrence of ICH. The objective of this analysis was to test whether selected hemostatic factors measured years before the onset of ICH could identify patients at higher risk for future ICH. Methods We performed a nested case-control study within the Women's Health Initiative (WHI) cohort. Postmenopausal women aged 50-79 years (mean 68) at baseline (1993-1998) were enrolled at 40 Clinical Centers in the United States and followed for adjudicated ICH for a mean of 11.4 years. ICH cases (N = 75) and controls (N = 75) were matched on age, ethnicity, blood pressure, anticoagulant use, and treated hypertension. Stored blood samples from the baseline WHI examination were tested for von Willebrand factor (vWF), a disintegrin-like and metalloprotease domain with thrombospondin type-1 motif, number 13 (ADAMTS13), tissue plasminogen activator (t-PA), and urokinase plasminogen activator (u-PA). Platelet count, white blood cell count, and hemoglobin concentration were also measured. Results Mean baseline levels of vWF (1.03 and.95 U/mL), ADAMTS13 (1.0 and 1.1 μg/mL), vWF: ADAMTS13 ratio (.99 and.92), t-PA (14.75 and 14.80 IU/mL), and u-PA (.09 and.10 IU/mL) were not significantly different by case-control status. Significant differences were also not identified for platelet count, hemoglobin, white blood count, or reported alcohol use. Conclusion None of the 4 baseline hemostatic factors nor the platelet count was predictive of future ICH risk in this long-term study of older postmenopausal women.

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