Heat wave effects on morbidity in the Netherlands using general practice data
PHE ePoster Library. Severijn Hondema L. 09/12/19; 274505; 64
Dr. Laurens Severijn Hondema
Dr. Laurens Severijn Hondema
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Abstract
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Abstract Introduction/Background
: Heat waves have been associated with increased mortality and emergency room admission. Better determination of risk groups might provide clues for targeted public health interventions. This study investigated if early morbidity due to high ambient temperatures in the Netherlands is noticeable using electronic medical records from general practitioners (GP) participating in Nivel Primary Care Database.
Methods
Time series of daily registrations of possibly heat related health conditions and daily maximum temperature and relative humidity recordings for the year 2016. To correct for confounding, daily records of ambient air concentration measurements of PM10, ozone and pollen were also included. Analyses were stratified by sex, age group and disease category. Categories represented general symptoms associated with heat stress such as headache and dizziness, but also specific categories with for instance cardiovascular, urogenital or psychiatric diseases. The total numbers of daily records during days with ambient maximum temperatures up to 25°Celsius were compared with the number of records during days with ambient temperatures above 25°Celsius.
Results
We found a 1.9% decrease in the number of GP consultations on general heat related illness during days with ambient temperatures above 25°Celsius. In the 75+ year age subgroup we found an increase of 5.4% in the number of consultations on general heat related illness.
Conclusion
During days with high ambient temperatures, GP consultations were decreased in general, except for the elderly. Further analysis should investigate the (combined) effect of comorbidity and medication use to explore more specific risk groups and targeted public health interventions. External funding details
Abstract Introduction/Background
: Heat waves have been associated with increased mortality and emergency room admission. Better determination of risk groups might provide clues for targeted public health interventions. This study investigated if early morbidity due to high ambient temperatures in the Netherlands is noticeable using electronic medical records from general practitioners (GP) participating in Nivel Primary Care Database.
Methods
Time series of daily registrations of possibly heat related health conditions and daily maximum temperature and relative humidity recordings for the year 2016. To correct for confounding, daily records of ambient air concentration measurements of PM10, ozone and pollen were also included. Analyses were stratified by sex, age group and disease category. Categories represented general symptoms associated with heat stress such as headache and dizziness, but also specific categories with for instance cardiovascular, urogenital or psychiatric diseases. The total numbers of daily records during days with ambient maximum temperatures up to 25°Celsius were compared with the number of records during days with ambient temperatures above 25°Celsius.
Results
We found a 1.9% decrease in the number of GP consultations on general heat related illness during days with ambient temperatures above 25°Celsius. In the 75+ year age subgroup we found an increase of 5.4% in the number of consultations on general heat related illness.
Conclusion
During days with high ambient temperatures, GP consultations were decreased in general, except for the elderly. Further analysis should investigate the (combined) effect of comorbidity and medication use to explore more specific risk groups and targeted public health interventions. External funding details
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