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Effects of Cold Air on Cardiovascular Disease Risk Factors in Rat

Author

Listed:
  • Bin Luo

    (School of Applied Meteorology, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing 210044, China
    Key Laboratories of Arid Climatic Change and Reducing Disaster of Gansu Province, Lanzhou Institute of Arid Meteorology, China Meteorological Administration, 2070 Donggang East Road, Chengguan District, Lanzhou 730020, China)

  • Shuyu Zhang

    (Key Laboratories of Arid Climatic Change and Reducing Disaster of Gansu Province, Lanzhou Institute of Arid Meteorology, China Meteorological Administration, 2070 Donggang East Road, Chengguan District, Lanzhou 730020, China)

  • Shoucun Ma

    (School of Applied Meteorology, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing 210044, China)

  • Ji Zhou

    (School of Applied Meteorology, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing 210044, China)

  • Baojian Wang

    (Lanzhou Central Meteorological Observatory, 2070 Donggang East Road, Chengguan District, Lanzhou 730020, China)

Abstract

The purpose of this study is to explore possible potential implications of cold air in cardiovascular disease (CVD) risk in rats. Healthy Wistar rats were exposed to artificial cold air under laboratory conditions, and their systolic blood pressure, heart rate, vasoconstriction, CVD risk factors, and myocardial damage indicators after cold air exposure were determined and evaluated. Systolic blood pressure, whole blood viscosity, and plasma level of norepinephrine, angiotensinⅡ, low density lipoprotein, total cholesterol, and fibrinogen in treatment groups increased significantly compared with control groups. No significant variations were found in plasma Mb and cTnT and myocardial tissue between the treatment and control groups. Results indicate that: (1) higher levels of SBP, WBV and LDL/HDL, total cholesterol (TC), and FG in blood may indicate higher CVD risks during cold air exposure; (2) cold air may exert continuous impacts on SBP and other CVD risk factors.

Suggested Citation

  • Bin Luo & Shuyu Zhang & Shoucun Ma & Ji Zhou & Baojian Wang, 2012. "Effects of Cold Air on Cardiovascular Disease Risk Factors in Rat," IJERPH, MDPI, vol. 9(7), pages 1-14, June.
    • Handle: RePEc:gam:jijerp:v:9:y:2012:i:7:p:2312-2325:d:18602
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    References listed on IDEAS

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    1. Baker-Blocker, A., 1982. "Winter weather and cardiovascular mortality in Minneapolis-St. Paul," American Journal of Public Health, American Public Health Association, vol. 72(3), pages 261-265.
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    Cited by:

    1. Xiakun Zhang & Shuyu Zhang & Chunling Wang & Baojian Wang & Pinwen Guo, 2014. "Effects of Moderate Strength Cold Air Exposure on Blood Pressure and Biochemical Indicators among Cardiovascular and Cerebrovascular Patients," IJERPH, MDPI, vol. 11(3), pages 1-16, February.
    2. Bin Luo & Shuyu Zhang & Shoucun Ma & Ji Zhou & Baojian Wang, 2012. "Artificial Cold Air Increases the Cardiovascular Risks in Spontaneously Hypertensive Rats," IJERPH, MDPI, vol. 9(9), pages 1-12, September.
    3. Shuyu Zhang & Zhengzhong Kuang & Xiakun Zhang, 2015. "Effects of Simulated Heat Waves with Strong Sudden Cooling Weather on ApoE Knockout Mice," IJERPH, MDPI, vol. 12(6), pages 1-15, May.

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