Abstract
Objective
This study aimed to clarify the relationship between meteorological factors and the occurrence of aortic dissection.
Methods
The study included 282 consecutive patients who were admitted to our institute with acute aortic dissection over a 10-year period. The local meteorological data over the same period were analyzed.
Results
On the days with occurrences of acute aortic dissection, there were significant differences in the following factors: the minimum and maximum temperature (p < 0.0001), difference in the minimum and maximum temperature from the 10-year average, atmospheric pressure (p < 0.0001), and difference in atmospheric pressure between the day of occurrence and the previous day. Cut-off values were determined by ROC curve analysis. Univariate analyses identified the following factors as significant predictors of the occurrence of acute aortic dissection: minimum temperature < 4.0 °C (OR 2.42, p < 0.0001), maximum temperature < 15.1 °C (OR 2.23, p < 0.0001), atmospheric pressure > 1008.9 hPa (OR 1.75, p < 0.0001), difference between the minimum temperature and 10-year average < 0.3 °C, difference between the maximum temperature and 10-year average < 0.44 °C; and the difference in atmospheric pressure between the day of occurrence and the previous day > 0.4 hPa. However, the differences of the minimum and maximum temperatures from the 10-year average were the only factors that remained significant in the multivariate analysis. The minimum (R2 = 0.3055) and maximum temperatures (R2 = 0.4151) were weakly and moderately correlated, respectively, with the occurrence of acute aortic dissection.
Conclusion
Meteorological factors influenced the occurrence of acute aortic dissection. In particular, a minimum temperature of < 4 °C and maximum temperature difference from the 10-year average < 0.44 °C was identified as strong risk factors for the occurrence of acute aortic dissection.
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This research received no specific grants from any funding agency in the public, commercial, or not-for-profit sectors. No potential COI to disclose.
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Name of the ethics committee: Research Ethics Committee of TOYOTA Memorial Hospital. Reference number: R91.
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Usui, R., Mutsuga, M., Yoshizumi, T. et al. Do meteorological factors influence the occurrence of acute aortic dissection? A 10-year retrospective institutional study. Gen Thorac Cardiovasc Surg 69, 654–661 (2021). https://doi.org/10.1007/s11748-020-01498-w
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DOI: https://doi.org/10.1007/s11748-020-01498-w