Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/79143
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Type: Journal article
Title: The definition of severe and early-onset preeclampsia. Statements from the International Society for the Study of Hypertension in Pregnancy (ISSHP)
Author: Tranquilli, A.
Brown, M.
Zeeman, G.
Dekker, G.
Sibai, B.
Citation: Pregnancy Hypertension: An International Journal of Women's Cardiovascular Health, 2013; 3(1):44-47
Publisher: Elsevier BV
Issue Date: 2013
ISSN: 2210-7789
2210-7797
Statement of
Responsibility: 
Andrea L. Tranquilli, Mark A. Brown, Gerda G. Zeeman, Gustaaf Dekker, Baha M. Sibai
Abstract: OBJECTIVE There is discrepancy in the literature on the definitions of severe and early-onset pre-eclampsia. We aimed to determine those definitions for clinical purposes and to introduce them in the classification of the hypertensive disorders of pregnancy for publication purposes. METHODS We circulated a questionnaire to the International Committee of the International Society for the Study of Hypertension in Pregnancy focusing on the thresholds for defining severe preeclampsia and the gestation at which to define early-onset preeclampsia, and on the definition and inclusion of the HELLP syndrome or other clinical features in severe preeclampsia. The questions were closed, but all answers had space for more open detailed comments. RESULTS There was a general agreement to define preeclampsia as severe if blood pressure was >160 mmHg systolic or 110 mmHg diastolic. There was scarce agreement on the amount of proteinuria to define severity. The HELLP syndrome was considered a feature to include in the severe classification. Most investigators considered early-onset preeclampsia as that occurring before 34 weeks. CONCLUSIONS A definition of pre-eclampsia is paramount for driving good clinical practice. Classifications on the other hand are useful to enable international comparisons of clinical data and outcomes. We used the results of this survey to update our previous classification for the purposes of providing clinical research definitions of severe and early onset pre-eclampsia that will hopefully be accepted in the international literature.
Keywords: Classification; Hypertension in pregnancy; HELLP syndromed
Rights: Copyright © 2012 International Society for the Study of Hypertension in Pregnancy.
RMID: 0020130124
DOI: 10.1016/j.preghy.2012.11.001
Appears in Collections:Obstetrics and Gynaecology publications

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