Journal of atherosclerosis and thrombosis · 2012
Apolipoprotein B-48 to triglyceride ratio is a novel and useful marker for detection of type III hyperlipidemia after antihyperlipidemic intervention.
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Yuasa-Kawase Miyako, Masuda Daisaku, Kitazume-Taneike Rika, Yamashita Taiji, Kawase Ryota, Nakaoka Hajime, Inagaki Miwako, Nakatani Kazuhiro, Tsubakio-Yamamoto Kazumi, Ohama Tohru, Toyama-Nakagawa Yumiko, Nishida Makoto, Ishigami Masato, Saito Mieko, Eto Masaaki, Matsuyama Akifumi, Komuro Issei, Yamashita Shizuya
Аннотация
AIM: Remnant lipoproteins are atherogenic and are accumulated in patients with type III hyperlipidemia (HL). Although type III HL is diagnosed by phenotyping apolipoprotein (apo) E, this procedure is time-consuming and inconvenient for routine clinical use. Clinical indices for screening type III HL in untreated HL patients have been proposed; however, in clinical settings, HL patients are promptly treated with lipid-lowering agents without diagnosing the underlying cause. We investigated whether existing clinical indices for screening type III HL as well as the apo B-48/triglyceride (TG) ratio, which was suggested to be related to the accumulation of small chylomicron (CM) remnants, are useful after the initiation of lipid-lowering therapies.
METHODS: In 25 normolipidemic subjects and 191 treated HL patients (type I, n =6; IIa, 62; IIb, 66; III, 12; IV, 22; and V, 23) from Osaka University Hospital and related hospitals, fasting low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), TG, and apolipoproteins were measured and clinical indices were evaluated statistically.
RESULTS: Apo B-48 levels were significantly higher in patients with type I, III, and V HL, and TG levels were significantly higher in patients with type I and V HL. The apo B-48/TG ratio was significantly higher only in patients with type III HL compared with other types of HL (p<0.001), and was statistically significant among the other clinical indices (AUC-ROC value, 0.895; cut-off value, 0.110).
CONCLUSION: The apo B-48/TG ratio is a novel and useful marker for detecting type III HL even after the initiation of lipid-lowering interventions.
METHODS: In 25 normolipidemic subjects and 191 treated HL patients (type I, n =6; IIa, 62; IIb, 66; III, 12; IV, 22; and V, 23) from Osaka University Hospital and related hospitals, fasting low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), TG, and apolipoproteins were measured and clinical indices were evaluated statistically.
RESULTS: Apo B-48 levels were significantly higher in patients with type I, III, and V HL, and TG levels were significantly higher in patients with type I and V HL. The apo B-48/TG ratio was significantly higher only in patients with type III HL compared with other types of HL (p<0.001), and was statistically significant among the other clinical indices (AUC-ROC value, 0.895; cut-off value, 0.110).
CONCLUSION: The apo B-48/TG ratio is a novel and useful marker for detecting type III HL even after the initiation of lipid-lowering interventions.