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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한자기공명의과학회 Investigative Magnetic Resonance Imaging Investigative Magnetic Resonance Imaging 제21권 제4호
- 발행연도
- 2017.1
- 수록면
- 242 - 251 (10page)
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초록· 키워드
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Purpose: To investigate the association of carotid intraplaque hemorrhage (IPH) with acute cerebral ischemic events and progression of stenosis using magnetic resonance (MR) imaging.
Materials and Methods: From April 2014 to December 2016, 53 patients underwent carotid plaque MR imaging, including magnetization-prepared rapid acquisition with gradient-echo (MPRAGE) sequence. A total of 66 carotid arteries in 53 patients had carotid stenosis, and they were included in this study. Carotid arteries were classified according to the presence of IPH, the age of hemorrhage, and degree of stenosis. We assessed ipsilateral cerebrovascular event rates and progression of stenosis between the IPH and no-IPH groups.
Results: Of the 61 carotid arteries assessed, 34 (56%) had IPH, and 27 (44%) had no IPH. Acute cerebral ischemic events were more frequent in the IPH group (47% vs.
22%, P = 0.045), especially in the < 30%-stenosis group (100% vs. 0%, P = 0.028).
However, there was no significant difference in the incidence of ischemic events according to the age of hemorrhage (50% vs. 44%, P = 0.492). Among the 61 carotid arteries, 20 carotid arteries had previously undergone carotid artery imaging and were evaluated for plaque progression. The trend for progression of stenosis favored the IPH group versus the no-IPH group, with a marginal P-value (20% ± 12.7 vs. 9.6% ± 5.7, P = 0.063).
Conclusion: IPH was associated with an increased incidence of acute ischemic events, especially in the mild-stenosis group and it was also associated with progression of stenosis. Evaluation of the carotid IPH by carotid plaque MR could improve discrimination of carotid plaques that cause ischemic events and progression of stenosis.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Chu B / 2004 / Hemorrhage in the atherosclerotic carotid plaque : a high-resolution MRI study / Stroke 35 : 1079 ~ 1084
DeMarco JK / 2004 / Evaluation of c
Go AS / 2014 / Heart disease and stroke statistics--2014 update: a report from the American Heart Association / Circulation 129 : e28 ~ e292
Kwee RM / 2013 / MRI of carotid atherosclerosis to identify TIA and stroke patients who are at risk of a recurrence / J Magn Reson Imaging 37 : 1189 ~ 1194
Lusby RJ / 1982 / Carotid plaque hemorrhage. Its role in production of cerebral ischemia / Arch Surg 117 : 1479 ~ 1488
DeMarco JK / 2004 / Evaluation of c
Go AS / 2014 / Heart disease and stroke statistics--2014 update: a report from the American Heart Association / Circulation 129 : e28 ~ e292
Kwee RM / 2013 / MRI of carotid atherosclerosis to identify TIA and stroke patients who are at risk of a recurrence / J Magn Reson Imaging 37 : 1189 ~ 1194
Lusby RJ / 1982 / Carotid plaque hemorrhage. Its role in production of cerebral ischemia / Arch Surg 117 : 1479 ~ 1488
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