Spontaneous pneumothorax, Weather conditions We have read with great interest the article by Mishina et al.  published in the European Journal of Cardio-Thoracic Surgery. In this study, which was carried out in Japan, the authors investigated 345 patients with spontaneous pneumothorax (SP) and tried to establish a correlation between certain weather conditions and the occurrence of SP. The main conclusion of the study is that changes in the atmospheric pressure (increase and decrease during the days before the appearance of the pneumothorax) can influence the occurrence of primary SP. The conclusions are contradictory and differ from other studies carried out in various geographic regions. In a different study including a larger number of patients (1051 cases) also done in Japan, it was observed that only a decrease in atmospheric pressure can cause SP, not an increase in its value . Studies carried out in Europe have reported contradictory results, too, probably due to the differences in climate compared with that in Japan. In a study conducted in Turkey, we can observe that variations of atmospheric pressure, temperature and humidity of the environment can influence the occurrence of SP, regardless of the synodic lunar cycle . A different study carried out on 175 patients in Turkey also concluded that there is no correlation between variations of atmospheric pressure and occurrence of SP . Another study done in France, which included 638 patients with SP, concluded that there is no correlation between variations of atmospheric pressure, temperature, relative humidity and wind speed and occurrence of primary SP . On the other hand, another study also carried out in France underlies the fact that variations in atmospheric pressure can influence the occurrence of SP . The majority of the published studies present us with contradictory results regarding the correlation between the occurrence of SP and changes in meteorological parameters. The differences in results might be due to the different climates across various regions of the earth as well as the different analysis methods employed by these studies. REFERENCES  Mishina T, Watanabe A, Miyajima M, Nakazawa J. Relationship between onset of spontaneous pneumothorax and weather conditions. Eur J Cardiothorac Surg 2017; 52: 529– 33. Google Scholar CrossRef Search ADS PubMed  Haga T, Kurihara M, Kataoka K, Ebana H. Influence of weather conditions on the onset of primary spontaneous pneumothorax: positive association with decreased atmospheric pressure. Ann Thorac Cardiovasc Surg 2013; 19: 212– 5. Google Scholar CrossRef Search ADS PubMed  Araz O, Ucar EY, Yalcin A, Aydin Y, Sonkaya E, Eroglu A et al. Do atmospheric changes and the synodic lunar cycle affect the development of spontaneous pneumothorax? Acta Chir Belg 2015; 114: 284– 7.  Celik B, Kefeli Celik H, Hamzacebi H, Demir H, Furtun K, Ortamevzi C. The role of meteorological conditions on the development of spontaneous pneumothorax. Thorac Cardiovasc Surg 2009; 57: 409– 12. Google Scholar CrossRef Search ADS PubMed  Heyndricks M, Le Rochais JP, Icard P, Cantat O, Zalcman G. Do atmospheric conditions influence the first episode of primary spontaneous pneumothorax? Interact CardioVasc Thorac Surg 2015; 21: 296– 300. Google Scholar CrossRef Search ADS PubMed  Alifano M, Forti Parri SN, Bonfanti B, Arab WA, Passini A, Boaron M et al. Atmospheric pressure influences the risk of pneumothorax: beware of the storm! Chest 2007; 131: 1877– 82. Google Scholar CrossRef Search ADS PubMed © The Author 2017. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.
European Journal of Cardio-Thoracic Surgery – Oxford University Press
Published: Apr 1, 2018
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