안허혈질환에서 경동맥초음파로 측정된 내중막두께와 혈중지질검사의 이상소견
Results of Carotid Doppler and Lipid Profiles in Patients with Ocular Ischemic Disease
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목적: 안허혈질환에서 경동맥초음파소견과 혈액학적 이상소견을 알아보고 심혈관계 질환의 위험도 및 연관관계를 알아보고자 한다. 대상과 방법: 2010년 1월부터 2013년 6월까지 본원에서 앞허혈시신경병증(anterior ischemic optic neuropathy [AION], n=45), 중심정맥폐쇄(central retinal vein occlusions [CRVO], n=34), 중심동맥폐쇄(central retinal artery occlusions [CRAO], n=23), 안허혈증후군(ocular ischemic syndrome [OIS], n=27)을 진단 받은 환자를 대상으로 경동맥 초음파와 혈액검사를 시행하여 내중막두께(intima-media thickness, IMT), 혈관협착(stenosis)의 유무를 측정하고 혈액검사를 시행하여 건강한 대조군(n=107)과 비교하였다. 결과: 평균 나이는 전체 환자군에서 60.0 ± 14.1세였으며, 대조군은 56.1 ± 9.1세였다. 동측 경동맥 내중막두께는 대조군과 비교하여OIS와 CRAO 군에서 유의하게 증가되어 있었다(각각 p<0.01, <0.01). 경동맥의 협착은 OIS 군에서 17명(62.9%)으로 가장 높았으며, CRAO 군에서 5명(21.7%), CRVO 군에서 2명(5.9%), AION 군에서 1명(2.2%) 순으로 나타났다. 대조군에서는 의미 있는 협착은 관찰되지 않았다. 총 콜레스테롤 수치는 환자군과 대조군에서 유의한 차이를 보이지 않았으나, 저밀도 지단백 콜레스테롤 수치는 모든 환자군에서 대조군보다 유의하게 높았다(각각 p<0.01, <0.01, <0.05, <0.01). 결론: 안허혈질환이 있는 환자들은 경동맥 질환 및 이상지질혈증이 선행하였을 가능성이 있어 경동맥 초음파와 혈중 지질검사 등의전신적인 검사가 필요할 것으로 생각되며 심혈관계 질환의 위험요소에 대한 평가와 관리가 필요하다.
Abstract
Purpose: To analyze the findings of carotid Doppler and lipid profiles in patients with ischemic ocular disease and as well as the risk and correlation between cardiovascular and ischemic ocular diseases. Methods: We analyzed the intima-media thickness (IMT) and existence of vascular stenosis using carotid Doppler and blood lipid profiles of the study patients diagnosed with anterior ischemic optic neuropathy (AION group, n = 45), central retinal vein occlusion (CRVO group, n = 34), central retinal artery occlusion (CRAO group, n = 23), or ocular ischemic syndrome (OIS group, n = 27). The study patients who visited Chonbuk National University Hospital from January, 2010 to June, 2013 were compared with healthy control (control group, n = 107). Results: The average age of the study patients was 60.0 ± 14.1 years and 56.1 ± 9.1 years for the controls. Ipsilateral common carotid artery-IMT was thicker in the OIS and CRAO groups than the control group (p < 0.01 and <0.01, respectively). The number of patients with carotid stenosis was highest in the OIS group (n = 17, 62.9%) followed by the CRAO group (n = 5, 21.7%), CRVO group (n = 2, 5.9%), and AION group (n = 1, 2.2%). No significant stenosis was found in the control group. Total blood cholesterol was not significantly different between the study patients and controls. Low-density lipoprotein cholesterol was higher in every patient group than the control group (p < 0.01, <0.01, <0.05 and <0.01, respectively). Conclusions: The ischemic ocular disease likely precedes carotid artery disease and dyslipidemia. Therefore, general examinations such as carotid Doppler, lipid profile and risk factor evaluations are needed in patients with ischemic ocular disease.
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