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Differing relationship between hypercholesterolemia and a bicuspid aortic valve according to the presence of aortic valve stenosis or aortic valve regurgitation

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Abstract

Objectives

To assess the difference in hyperlipidemia between patients with bicuspid aortic valve (BAV) and those with a normal aortic valve (NAV), and to compare aortic valve stenosis (AS), with aortic valve regurgitation (AR).

Methods

Among 32 patients with BAV and 142 patients with NAV who underwent aortic valve replacement, 81 patients had AR and 91 patients had AS. The preoperative clinical characteristics were compared between the BAV and NAV patients. Patients with replacement of the ascending aorta were included, and those who underwent combined valvular surgery, coronary artery bypass grafting, or statin treatment were excluded.

Results

The proportions of females patients (p = 0.42), patients with diabetes (p = 0.26) and patients on dialysis (p = 0.69) were similar in the two groups. Mean age was significantly lower, the mean diameter of the ascending aorta was significantly larger, and the rate of surgical intervention for the ascending aorta was significantly higher in the BAV group than in the NAV group (all p < 0.0001). The mean levels of low-density lipoprotein cholesterol (LDL) (p < 0.0001) and total cholesterol (TC) (p = 0.0003) were significantly higher in the BAV group than in the NAV group, in the analysis of only patients with AS, whereas these levels did not differ significantly between the groups, when only patients with AR were considered.

Conclusion

BAV with AS is associated with hypercholesterolemia. However, BAV with AR was not associated with hypercholesterolemia.

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Conflict of interest

All the authors have declared no competing interest.

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Authors and Affiliations

  1. Department of Cardiovascular Surgery, Tokyo Heart Center, 5-4-12 Kitashinagawa, Shinagawa-ku, Tokyo, 140-0001, Japan

    Masahiro Endo, Akihiro Nabuchi, Hiroshi Okuyama, Yasushi Muto, Susumu Hiranuma & Takuya Miyazaki

  2. Department of Cardiology, Tokyo Heart Center, Tokyo, Japan

    Joji Hosokawa, Yoshihisa Enjoji, Yumi Shimura & Osamu Hashimoto

Authors
  1. Masahiro Endo
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  2. Akihiro Nabuchi
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  3. Hiroshi Okuyama
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  4. Yasushi Muto
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  5. Susumu Hiranuma
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  6. Takuya Miyazaki
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  7. Joji Hosokawa
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  8. Yoshihisa Enjoji
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  9. Yumi Shimura
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  10. Osamu Hashimoto
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Corresponding author

Correspondence to Masahiro Endo.

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Endo, M., Nabuchi, A., Okuyama, H. et al. Differing relationship between hypercholesterolemia and a bicuspid aortic valve according to the presence of aortic valve stenosis or aortic valve regurgitation. Gen Thorac Cardiovasc Surg 63, 502–506 (2015). https://doi.org/10.1007/s11748-015-0561-8

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  • DOI: https://doi.org/10.1007/s11748-015-0561-8

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