Seasonal variability and meteorological factors: retrospective study of the incidence of pulmonary embolism from a large United kingdom teaching hospital

Respiratory Care
Kofi NimakoTony Rahman

Abstract

Seasonal variations in the incidence of pulmonary embolism (PE) have been reported. It has been suggested that changes in meteorological factors may explain this variation. Previous studies have provided inconsistent results, possibly as a result of a small number of observations, in some studies and confounding factors. To investigate whether there is a seasonal variation in the incidence of idiopathic PE and to investigate its relationship with atmospheric pressure, humidity, and temperature. A large retrospective study was conducted. All confirmed cases of PE at our institution over a 9-year period were included, except for those patients with a major risk factor for PE. Meteorological data were obtained from a local weather station. Days when there was at least one episode of PE (event day) were compared with days when there were no episodes of PE (non-event day). There were a total of 640 episodes of PE. There was a statistically significant lower percentage of event days in spring (13.8%), compared with the rest of the year (18.3%) (P = .003). The incidence of PE was related to decreased atmospheric pressure and increased temperature. For atmospheric pressure the relationship was most significant for the mean atmospheric ...Continue Reading

Citations

Nov 26, 2015·The American Journal of Cardiology·Atsushi MizunoUNKNOWN Tokyo CCU Network Scientific Committee
Mar 26, 2016·European Journal of Internal Medicine·Javier de Miguel-DíezAlejandro Álvaro-Meca
Jul 17, 2015·International Journal of Biometeorology·Klára TörőPéter Sótonyi
May 22, 2016·Clinical and Applied Thrombosis/hemostasis : Official Journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis·Saad EliasYona Nadir
Jul 2, 2020·Environmental Science and Pollution Research International·Imène KacemNejb Mrizak

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