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The risk for future cerebrovascular disease in pregnant women with Moyamoya disease: a nationwide population-based study in South Korea

Authors
 Yeonseong Jeong  ;  Yun Ji Jung  ;  Eunjin Noh  ;  Sungyeon Ha  ;  Jeongeun Hwang  ;  Geum Joon Cho  ;  Min-Jeong Oh  ;  Young-Han Kim 
Citation
 BMC PREGNANCY AND CHILDBIRTH, Vol.22(1) : 443, 2022-05 
Journal Title
BMC PREGNANCY AND CHILDBIRTH
Issue Date
2022-05
MeSH
Cerebrovascular Disorders* / epidemiology ; Cesarean Section ; Female ; Humans ; Male ; Moyamoya Disease* / complications ; Moyamoya Disease* / epidemiology ; Pregnancy ; Pregnant Women ; Republic of Korea / epidemiology ; Risk Factors
Keywords
Cerebrovascular disease ; Moyamoya disease ; Nationwide large-scale study ; Pregnancy
Abstract
Background: Physiologic changes during pregnancy affect the development of postpartum cerebrovascular disease (CVD) in women with Moyamoya disease. Due to the rare prevalence of Moyamoya disease and its large regional variations, large-scale based studies on the risk of CVD after delivery have not been conducted. This study aimed to evaluate whether women with Moyamoya disease have an increased risk of CVD after delivery.

Methods: Research data was collected from the National Health Insurance Claims Database of the Health Insurance Review and Assessment Service. Patients who delivered in Korea from 2007 to 2014 were enrolled in this study. We classified women as having CVD if they were diagnosed with any of the following conditions between delivery and December 31, 2016; cerebral infarction (I63.X in the International Classification of Diseases-10th Revision [ICD-10]) and/or intracranial hemorrhage (I61.X, I62.X in ICD-10) and/or subarachnoid hemorrhage (I60.X in ICD-10). Women with Moyamoya disease were identified as having I67.5 in ICD-10. We matched the study cohort by the ratio of 1:10 to analyze the risk CVD occurrence. The matching technique applied in this study was based on the variables of age and parity. To evaluate the adjusted hazard ratio (HR) for CVD in women with Moyamoya disease, we used multivariate Cox proportional hazard regression.

Results: Among a total of 3,611,216 Korean women who underwent delivered, we identified 412 women with Moyamoya disease diagnosis and 1420 age- and parity-matched women without Moyamoya disease (control). Compared to the control group, women with Moyamoya disease had a significantly higher rate of Cesarean section, overt DM, and essential hypertension (all p < 0.0001). Among women with Moyamoya disease, 55 (13.35%) women developed CVD within the follow-up postpartum period. The presence of Moyamoya disease was associated with an increased risk of CVD after delivery (adjusted HR 37.42; 95% confidence interval (CI) 17.50-80.02 within 2.3 years) after adjusting for pregnancy-induced hypertension, gestational diabetes mellitus, pregestational diabetes, chronic hypertension.

Conclusion: This population based study showed that the occurrence rate of CVD after delivery was higher in women with Moyamoya disease than in those without. Therefore, careful and long-term postpartum surveillance is required for women with Moyamoya disease.
Files in This Item:
T202201930.pdf Download
DOI
10.1186/s12884-022-04718-8
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Obstetrics and Gynecology (산부인과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Young Han(김영한) ORCID logo https://orcid.org/0000-0003-0645-6028
Jeong, Yeonseong(정연성) ORCID logo https://orcid.org/0000-0002-9978-6212
Jung, Yun Ji(정윤지) ORCID logo https://orcid.org/0000-0001-6615-6401
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188676
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