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  • Title: [Comparative studies of the blood lipids and apolipoproteins A1 and B in patients underwent coronary artery bypass grafting under on-pump and off-pump bypass].
    Author: Mei YQ, Lu YF, Tang CZ, Wu MY, Hu DY.
    Journal: Zhonghua Yi Xue Za Zhi; 2006 Jul 25; 86(28):1997-9. PubMed ID: 17064600.
    Abstract:
    OBJECTIVE: To compare the influences of coronary artery bypass grafting under on-pump (CCABG) and off-pump bypass (OPCAB) on blood lipids and Apolipoproteins A(1) and B. METHODS: 41 patients underwent CCABG and 38 patients OPCAB. The serum levels of total cholesterol (TC), triglycerides (TG), HDL-C cholesterol (HDL-C), LDL-C cholesterol (LDL-C) and Apolipoproteins A(1) and B were monitored before and 24 h, 72 h, 7 d, 10 d, 14 d, 28 d after operation in all patients. None of them received lipid-lowering drug during the test. RESULTS: (1) There were no difference between two groups. The serum levels of TC, LDL-C decreased significantly in 24 h, 72 h, 7d, 10 d, 14 d after operation (P < 0.001). The level in 24 h was the lowest, then began increasing; until 28 days after operation the serum levels of TC, LDL-C exceeded preoperative baseline level (P < 0.05). (2) the level of TG and HDL-C in 24 h was the lowest (P < 0.001), then began increasing (P > 0.05). Until 28 days after operation the serum levels of TG exceeded preoperative baseline level (P < 0.05). (3) the serum levels of ApoA(1) decreased significantly in 24 h, 72 h, 7 day, 10 day, 14 day after operation (P < 0.001). The level in 24 h was the lowest, and lasted until 28 days after operation (P > 0.05); the serum levels of ApoB in 24 h was the lowest, then began increasing (P > 0.05). CONCLUSIONS: There presents significant influence on blood lipids and Apolipoproteins A(1) and B after CABG, and initiate lipid (s)-lowering therapy as soon as possible.
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