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Alimentary hyperlipemia of rabbits is affected by exposure to low‐intensity pulsed magnetic fields
Author(s) -
Luo Erping,
Shen Guanghao,
Xie Kangning,
Wu Xiaoming,
Xu Qiaoling,
Lu Lihua,
Jing Xiaomei
Publication year - 2007
Publication title -
bioelectromagnetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.435
H-Index - 81
eISSN - 1521-186X
pISSN - 0197-8462
DOI - 10.1002/bem.20342
Subject(s) - medicine , endocrinology , cholesterol , triglyceride , intensity (physics) , hemorheology , physics , quantum mechanics
An experimental study was carried out in rabbits to investigate the effects of exposing rabbits to low‐intensity pulsed magnetic fields (PMFs) on alimentary hyperlipemia. Thirty female white big ear rabbits were randomly divided into three groups. The normal group was fed with a standard chow diet and the other two groups (hyperlipid and magnetic) were fed with the chow diet supplemented with cholesterol, yolk powder and lard. The magnetic group was exposed to 15 Hz pulsed magnetic fields. After 8 weeks, levels of blood lipid and indices of hemorheology were examined. In addition, histomorphologic changes of hepatic and myocardial tissues were compared across the groups respectively. Compared with the hyperlipid group, hemorheology indices of the magnetic group reduced significantly from 12.80% to 38.05% ( P  < 0.01) indicating lower blood viscosity. Similarly, compared with the hyperlipid group, the levels of total cholesterol and triglycerides in the magnetic group decreased 40.52% and 52.42% ( P  < 0.01). On the contrary, high density lipoprotein (HDL) value obviously increased 66.67% ( P  < 0.01). Furthermore, compared with the control group, the values of triglycerides and HDL of the magnetic group did not show statistical differences ( P  > 0.05). The deposit of fatty material on the inner lining of thoracic aorta wall of the magnetic group was significantly lighter than that of the hyperlipid group. Numerous aggregation of lipoids emerged among myocardial myofibrils in the hyperlipid group, while no notable change was found in both the magnetic and control group. The results indicate that low‐intensity PMFs could be helpful for the treatment of alimentary hyperlipemia. Bioelectromagnetics 28:608–614, 2007. © 2007 Wiley‐Liss, Inc.

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