Effects of Barometric Pressure and Temperature on Acute Ischemic Stroke Hospitalization in Augusta, GA
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ORIGINAL ARTICLE
Effects of Barometric Pressure and Temperature on Acute Ischemic Stroke Hospitalization in Augusta, GA Weihua Guan 1 & Sandra J. Clay 2 & Gloria J. Sloan 3 & Lester G. Pretlow 3 Received: 29 March 2018 / Revised: 24 May 2018 / Accepted: 12 June 2018 # Springer Science+Business Media, LLC, part of Springer Nature 2018
Abstract Several studies worldwide have demonstrated significant relationships between meteorological parameters and stroke events. However, authors often reported discordant effects of both barometric pressure and air temperature on stroke occurrence. The present study investigated whether there was an association between weather parameters (barometric pressure and temperature) and ischemic stroke hospitalization. The aim of the study was to find out whether daily barometric pressure may be used as a prognostic variable to evaluate the workload change of a neurological intensive care unit. We conducted a retrospective review study in which we collected the independent (barometric pressure and temperature) and dependent variables (stroke hospitalization) every 24 h for the periods 10/1/2016–4/30/2017 at Augusta University Medical Center of Augusta, GA. We analyzed the data with zero-inflated Poisson model to assess the relationship between the barometric pressure, temperature, and daily stroke hospitalization. The results showed that there was a significantly correlation between daily barometric pressure variation and daily stroke hospitalization, especially on elder male patients (≥ 65). Stroke events were more likely to occur in the patients with risk factors than in those without risk factors when exposed to barometric pressure and temperature changes. Decreased barometric pressure and increased temperature were associated with increased daily stroke hospitalization. Furthermore, there was a potential delayed effect of increased stroke events after cold temperature exposure. Barometric pressure and temperature changes over the preceding 24 h are associated with daily stroke hospitalization. These findings may enhance our understanding of relationship between stroke and weather and maybe used in the development of public health strategies to minimize the weatherrelated stroke risk. Keywords Barometric pressure . Temperature . Stroke . Hospitalization
Introduction Stroke is the leading cause of serious long-term disability in the USA [1]. About 800,000 people experience a new or recurrent stroke and nearly 133,000 people die each year from stroke in the USA [1]. Barometric pressure is an atmospheric
* Weihua Guan [email protected] 1
Master of Science-Clinical Laboratory Science Program, College of Allied Health Sciences, Augusta University, 1120 15th Street, Augusta, GA 30912, USA
2
Augusta University Medical Center, 1120 15th street, Augusta, GA 30912, USA
3
Department of Medical Laboratory, Imaging and Radiological Science, College of Allied Health Science, Augusta University, 1120 15th Street, Augusta, GA 30912, USA
variable that affects the human organism. Changes in bar
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