Pulmonary Vascular Disease |

Pulmonary Embolism and Effects of Atmospheric Events FREE TO VIEW

Tugba Goktalay; Aysin Sakar Coskun; Yavuz Havlucu; Ayse Tuncal; Galip Koroglu; Pinar Celik; Arzu Yorgancioglu
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Celal Bayar University School of Medicine, Department of Pulmonology, Manisa, Turkey

Chest. 2014;146(4_MeetingAbstracts):819A. doi:10.1378/chest.1987981
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SESSION TITLE: DVT/PE/Pulmonary Hypertension Posters I

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 29, 2014 at 01:30 PM - 02:30 PM

PURPOSE: This study aims to investigate the effects of seasonal changes and atmospheric events on pulmonary embolism.

METHODS: In our clinic, 168 inpatients with the diagnosis of pulmonary embolism were evaluated between January 2007 and December 2012 retrospectively. Demographic features and risk factors were determined. According to the days of hospitalization of patients and local geographical weather stations’ statistics on daily maximum humidity (%), mean pressure (hPa), the average humidity (%) and the average temperature (C) were recorded. The data analyses were conducted based on daily, monthly and seasonal hospitalizations.

RESULTS: Ninety three of 168 patients were male and 75 were female with the mean age of 59,58 ±16,4. DVT was the most commonly identified risk factor (n = 41, 24.4%). 73 (43.5%) patients had a history of smoking. 78.6% of cases had been diagnosed with CT pulmonary angiography. Pulmonary embolisms were observed more in the winter and summer seasons (both 50 cases) than the ones in spring and fall. Pressure and humidity levels were lower during the summer than the other seasons. The atmospheric pressure was higher than the monthly average atmospheric pressure. 86.6% of cases when the day they were hospitalized. No significant relationships were observed between patients’ daily, monthly and seasonal hospitalization and the studied independent variables, the pressure, the temperature, and the humidity (p>0.05). In general, the humidity were quite low in the summer (p=0.000). There was no effect of seasonal changes of atmospheric pressure on hospitalization (p=0.372). However, when it was analysed local changes, Manisa region (n=102) which was the most hospitalization were recorded and Akhisar region (n=47) which was the second most hospitalization were recorded, it was found that hospitalization during summer (pressure and humidity were low) were higher significantly. Although in general, the hospitalization was high during winter, there were no significant relationship between hospitalization in both Manisa and Akhisar and the independent variables, atmospheric pressure and humidity.

CONCLUSIONS: The results of our study supports that pulmonary embolism were higher during summer with low pressure and humidity. Further studies are needed to investigate this relationship with more samples.

CLINICAL IMPLICATIONS: Pulmonary embolism may be higher during summer with low pressure and humidity

DISCLOSURE: The following authors have nothing to disclose: Tugba Goktalay, Aysin Sakar Coskun, Yavuz Havlucu, Ayse Tuncal, Galip Koroglu, Pinar Celik, Arzu Yorgancioglu

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