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A Combination of Cross Correlation and Trend Analyses Reveals that Kawasaki Disease is a Pollen-Induced Delayed-Type Hyper-Sensitivity Disease

Author

Listed:
  • Akira Awaya

    (Dermatology & Epidemiology Research Institute (DERI), 4978 Totsuka-cho, Totsuka-ku, Yokohama, Kanagawa 244-0003, Japan
    Department of Genome System Science, Yokohama City University, Seto 22-2, Kanazawa-ku, Yokohama, Kanagawa 236-0027, Japan)

  • Chiaki Nishimura

    (CN Medical Research, Nishiochiai 3-16-15, Shinjyuku-ku, Tokyo 161-0031, Japan)

Abstract

Based on ecological analyses we proposed in 2003 the relation of Kawasaki Disease (KD) onset causing acute febrile systemic vasculitis, and pollen exposure. This study was aimed at investigating the correlation between pollen release and the change in the numbers of KD patients from 1991 to 2002 in Kanagawa, Japan. Short-term changes in the number of KD patients and medium- to long-term trends were analyzed separately. Short-term changes in the number of KD patients showed a significant positive cross correlation (CC) with 9- to 10-month delay following pollen releases, and a smaller but significant CC with 3- to 4-month delay. Further, a temporal relationship revealed by positive CC distribution showed that pollen release preceded KD development, suggesting that pollen release leads to KD development. A trend in patient numbers was fitted by an exponential curve with the time constant of 0.005494. We hypothesized that the trend was caused by the cumulative effects of pollen exposure for elapsed months on patients who may develop KD. By comparing the time constants of fitted exponential curve for each pollen accumulation period with 0.005494, the exposure period was estimated to be 21.4 months, which explains why approximately 50% of patients developed KD within 24 months from birth.

Suggested Citation

  • Akira Awaya & Chiaki Nishimura, 2014. "A Combination of Cross Correlation and Trend Analyses Reveals that Kawasaki Disease is a Pollen-Induced Delayed-Type Hyper-Sensitivity Disease," IJERPH, MDPI, vol. 11(3), pages 1-14, March.
    • Handle: RePEc:gam:jijerp:v:11:y:2014:i:3:p:2628-2641:d:33631
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    References listed on IDEAS

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    1. Jennifer Frazer, 2012. "Infectious disease: Blowing in the wind," Nature, Nature, vol. 484(7392), pages 21-23, April.
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    Cited by:

    1. Akira Awaya & Yoshiyuki Kuroiwa, 2020. "The Relationship between Annual Airborne Pollen Levels and Occurrence of All Cancers, and Lung, Stomach, Colorectal, Pancreatic and Breast Cancers: A Retrospective Study from the National Registry Dat," IJERPH, MDPI, vol. 17(11), pages 1-15, June.
    2. Deniz Yeter & Michael A. Portman & Michael Aschner & Marcelo Farina & Wen-Ching Chan & Kai-Sheng Hsieh & Ho-Chang Kuo, 2016. "Ethnic Kawasaki Disease Risk Associated with Blood Mercury and Cadmium in U.S. Children," IJERPH, MDPI, vol. 13(1), pages 1-14, January.

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