Seasonal variation in occurrence of aortic diseases: The database of hospital discharge data of the Emilia-Romagna region, Italy

摘要

In analogy with other cardiovascular events, such as myocar-dial infarction and stroke, acute aortic diseases do not randomly occur over time but show definite chronobiologic variations characterized by a higher frequency during morning hours and winter months.1"3 This study was aimed to confirm, based on the large number of cases in a regional database, the existence of a seasonal variation in acute aortic diseases#