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The Effects of Meteorological Variables on Ambulance Attendance for Cardiovascular Diseases in Rasht, Iran Publisher Pubmed



Pourshaikhian M1 ; Moghadamnia MT2 ; Yekaninejad MS3 ; Ghanbari A3 ; Rashti AS4 ; Afraz Kamachli S5
Authors
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Authors Affiliations
  1. 1. Department of Medical - Surgical Nursing, School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
  2. 2. Department of Medical-Surgical Nursing, Nursing and Midwifery School, Guilan University of Medical Sciences, Rasht, Iran
  3. 3. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
  5. 5. Ardabile Social Security Organization, Sabalan Hospital, Ardabile, Iran

Source: Journal of Thermal Biology Published:2019


Abstract

Climate change has a devastating effect on human societies, including their economic, cultural and health conditions. Our objective was to investigate the association between meteorological variables and ambulance attendance in the event of cardiovascular diseases using time-series analyses. We used a time series analysis to investigate the relationship between meteorological variables and ambulance attendance in the event of cardiovascular diseases from 2010 to 2015. To examine the effect of high temperatures on ambulance attendance, we investigated the relative risk of the daily volume of high temperature attendance, the 99th temperature percentile compared to the 75th temperature percentile. Upon examining the effect of cold temperatures on ambulance attendance, or the relative risk of the daily volume of attendance with low temperatures, the 1st temperature percentile compared to the 25th temperature percentile. In 1826 days, from March 21, 2010 to March 19, 2015, there were 7051 emergency calls for cardiovascular diseases. Significant variations were identified in the monthly (P < 0.001) and seasonal (P < 0.001) distributions. The highest seasonal incidence occurred in the winter and lowest was observed in the summer. With regard to association between cold temperature and calls for ambulance attendance in the event of cardiovascular diseases according to lag days, our findings showed a significant increase in lag 7 ((RR, 1.026; 95% CI, 1.003 to 1.050), lag 8 (RR, 1.023; 95% CI, 1.005to 1.041) and lag 9 (RR, 1.019; 95% CI, 1.002 to 1.036) respectively. These results suggest that the demand for an ambulance for cardiovascular diseases was higher in the cold weather and that humidity can increase this demand in the warm seasons. © 2019 Elsevier Ltd
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