뇌경색 환자의 경동맥 초음파 검사와 24시간 홀터 검사와의 연관성 연구
The Relationship between Carotid Intima-Media Thickness and 24-hour Ambulatory ECG in Ischemic Stroke Patients
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Background : Stroke is the second leading cause of death in Korea, following cancer. Stroke consists of ischemic and hemorrhagic stroke, and ischemic stroke can be largely classified as atherothrombotic stroke or embolic stroke. Carotid intima-media thickness (IMT) is an indicator of atherosclerosis used commonly as a screening test for abnormalities of the coronary artery. 24-hour ambulatory ECG is widely used to screen for underlying diseases that causes syncope, palpitation, arrhythmia, etc. Objectives : Since both carotid IMT and 24-hour ambulatory ECG are used to screen for cardiac problems, we endeavored to explore the correlation between carotid IMT and 24-hour ambulatory ECG of stroke patients. Methods : The records of ischemic stroke patients who were admitted to Kyunghee Medical Center Oriental Hospital ward from March 2006 to May 2009 were reviewed. 28 patients who had both carotid Doppler US and 24-hour ambulatory ECG test undertaken during their admission were analyzed. The relationship of abnormal ambulatory results and common carotid artery(CCA) IMT were statistically analyzed using Fisher's exact test and t-test. Results : The mean age of the abnormal ambulatory group was older than the normal group (74±8.0 vs. 61±12.1, p=0.0098). Although insignificant, the abnormal ambulatory group showed much thicker CCA-IMT than normal ambulatory group (2.17± 1.16 vs. 1.51±0.97, p=0.1389). Conclusion : No significant correlation was observed between abnormal ambulatory results and CCA-IMT. However, the difference in CCA-IMT between the two groups was too big to be ignored and further investigation with larger and better controlled trials are warranted.
Abstract
Background : Stroke is the second leading cause of death in Korea, following cancer. Stroke consists of ischemic and hemorrhagic stroke, and ischemic stroke can be largely classified as atherothrombotic stroke or embolic stroke. Carotid intima-media thickness (IMT) is an indicator of atherosclerosis used commonly as a screening test for abnormalities of the coronary artery. 24-hour ambulatory ECG is widely used to screen for underlying diseases that causes syncope, palpitation, arrhythmia, etc. Objectives : Since both carotid IMT and 24-hour ambulatory ECG are used to screen for cardiac problems, we endeavored to explore the correlation between carotid IMT and 24-hour ambulatory ECG of stroke patients. Methods : The records of ischemic stroke patients who were admitted to Kyunghee Medical Center Oriental Hospital ward from March 2006 to May 2009 were reviewed. 28 patients who had both carotid Doppler US and 24-hour ambulatory ECG test undertaken during their admission were analyzed. The relationship of abnormal ambulatory results and common carotid artery(CCA) IMT were statistically analyzed using Fisher's exact test and t-test. Results : The mean age of the abnormal ambulatory group was older than the normal group (74±8.0 vs. 61±12.1, p=0.0098). Although insignificant, the abnormal ambulatory group showed much thicker CCA-IMT than normal ambulatory group (2.17± 1.16 vs. 1.51±0.97, p=0.1389). Conclusion : No significant correlation was observed between abnormal ambulatory results and CCA-IMT. However, the difference in CCA-IMT between the two groups was too big to be ignored and further investigation with larger and better controlled trials are warranted.
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