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Relationship Between Serum Oxidized Low-density Lipoprotein Level and Carotid Vulnerable Plaque in Patients with Acute Cerebral Ischemic Stroke / 中国医学影像学杂志
Chinese Journal of Medical Imaging ; (12): 659-662, 2015.
Artigo em Chinês | WPRIM | ID: wpr-479666
ABSTRACT
PurposeTo investigate the relationship between the serum oxidized low-density lipoprotein (ox-LDL) level and carotid vulnerable plaque in patients with acute cerebral ischemic stroke, and to evaluate the ability of serum ox-LDL in identifying vulnerable carotid plaques.Materials and Methods 181 patients with history of acute cerebral ischemic stroke were recruited. According to the results of carotid ultrasound patients were divided into non plaque group (n=48), stable plaque group (n=38) and vulnerable plaque group (n=95). The serum total cholesterol, triglyceride, high density lipoprotein-cholesterol, low density lipoprotein-cholesterol, fasting plasma glucose and ox-LDL were measured. Carotid intima-medial thickness (CIMT), total carotid plaque area (TPA) and the characters of plaque were examined with color Doppler ultrasound.Results The serum ox-LDL and the number of patients with hypertension in plaque group were significantly higher than that in the non-plaque group (P<0.05). The serum ox-LDL and TPA in the vulnerable plaque group were significantly higher than that in the stable plaque group (P<0.05). Serum ox-LDL in patients with acute cerebral infarction was positively correlated with CIMT, serum total cholesterol and LDL-C (r1=0.154,P<0.05;r2=0.338, P<0.05;r3=0.385,P<0.05). Logistic regression analysis showed that serum ox-LDL was an independent risk factor for carotid vulnerable plaque (OR=1.038, 95%CI 1.008-1.069, P<0.01).Conclusion The serum ox-LDL is independently associated with the formation of vulnerable plaque in patients with acute cerebral infarction. This study suggests that ox-LDL can be used as a biomarker in screening for vulnerable carotid plaque in clinical practice. Carotid ultrasound combined with serology can early identify carotid artery vulnerable plaque that may lead to cerebral ischemic events.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico / Fatores de risco Idioma: Chinês Revista: Chinese Journal of Medical Imaging Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico / Fatores de risco Idioma: Chinês Revista: Chinese Journal of Medical Imaging Ano de publicação: 2015 Tipo de documento: Artigo