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   PubMed    
        
      
   Seizure frequency and bioelectric brain activity in epileptic patients in   
   stable and unstable atmospheric pressure and temperature in different seasons   
   of the year--a preliminary report.    
      
      
      
   AuthorsMotta E, et al. Show all Journal    
   Neurol Neurochir Pol. 2011 Nov-Dec;45(6):561-6.    
      
   Affiliation    
   Abstract    
   BACKGROUND AND PURPOSE: An epileptic seizure is a sum of exogenous and   
   endogenous factors affecting an epileptic focus. The aim of the study was to   
   examine the influence of changes in atmospheric pressure and temperature on   
   the increase in the frequency    
   of seizures and changes in EEG in epileptic patients.    
      
   MATERIAL AND METHODS: The study included 30 epileptic patients (aged 19-54)   
   reporting the influence of changes in weather conditions on the increase in   
   the frequency of seizures for at least 2 years. EEG was performed twice each   
   season at the time of    
   stable and unstable weather conditions.    
      
   RESULTS: In stable and unstable weather conditions, epileptic changes in EEG   
   were most often found in winter (in 43.3% and 63.3% of patients,   
   respectively). Unstable weather conditions increased the proportion of   
   patients with epileptic changes in EEG    
   also in the other seasons. Unstable weather conditions caused an increase in   
   the frequency of seizures in 40% of patients in spring, 43.3% in autumn, 40%   
   in winter and in approximately 7% in summer.    
      
   CONCLUSIONS: In spring, autumn and winter, unstable weather conditions cause   
   an increase in the frequency of seizures in almost half of the epileptic   
   patients but only in 7% in summer. The increase in frequency of seizures in   
   unstable weather conditions    
   did not correspond in all patients with increase of changes in EEG. The higher   
   proportion of epileptic patients with changes in EEG in unstable weather   
   conditions in all seasons suggests an impact of these conditions on   
   subclinical seizure discharges in    
   this period.    
      
   PMID 22212986 [PubMed - indexed for MEDLINE]    
   Full text: Elsevier Science    
      
      
      
   http://www.ncbi.nlm.nih.gov/m/pubmed/22212986/?i=3&from=/19608461/related   
      
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