Short-term effects of extreme hot summer temperatures on total daily mortality in Barcelona, Spain

Tobías, Aurelio; Olalla, Patricia García de; Linares, Cristina; Bleda, María José Castro; Caylà, Joan A.; Díaz, Julio

doi:10.1007/s00484-009-0266-8

Cited by 40 publications

(26 citation statements)

References 12 publications

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“…the increase in organic-cause mortality for each degree above the threshold temperature was stated to be 15 % among 65-year-olds in the city of Madrid, , while another paper reported a 12 % increase in organic-cause mortality in the city of Barcelona (Tobías et al 2010). Recent research on this topic established that in Spain as a whole the risk of mortality on a heat-wave day is 24 % greater than on a day without a heat wave.…”

Section: Discussionmentioning

confidence: 98%

Impact of heat and cold waves on circulatory-cause and respiratory-cause mortality in Spain: 1975–2008

Linares

Díaz

Tobías

et al. 2014

Stoch Environ Res Risk Assess

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Few studies have analysed the impact of heat and cold waves on mortality in a given population over the same time period and still fewer studies have analysed this impact in terms of cause-specific mortality. This study analysed the impact of both heat and cold waves on daily all-cause, circulatory-cause and respiratory-cause mortality in the region of Castile-La Mancha (CLM) 1975-2008. The dependent variable was daily all-, circulatory-and respiratory-cause mortality registered in CLM from 01-01-75 to 31-12-08, and the independent variables were maximum, minimum, mean daily temperature daily relative humidity and mean daily air pressure and other related variables, such as heat-wave duration, heat-wave number and pressure trend. Time-series analyses were performed using autoregressive integrated moving average models. The impact of heat on daily mortality was greater than that of cold, with a difference which proved statistically significant for all-and circulatory-cause mortality but not for respiratory-cause mortality. While 16.5 % CI 95 % (15.5-17.4) of summer mortality in CLM was attributable to heat, 12.9 % CI 95 % (12.2-13.8) of daily winter mortality was attributable to low temperatures. The variable, heat-wave duration, was of major importance in all-cause and respiratory-cause mortality, with wave persistence being related to a mean 3.5 % increase in daily organic-cause mortality. Although heat waves have a greater impact on daily mortality than do cold waves, the fact that there were more cold-wave than heatwave days during the period analysed, coupled with the diseases implicated, means that specific prevention plans should be implemented for both extreme thermal events.

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Section: Discussionmentioning

confidence: 98%

Impact of heat and cold waves on circulatory-cause and respiratory-cause mortality in Spain: 1975–2008

Linares

Díaz

Tobías

et al. 2014

Stoch Environ Res Risk Assess

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“…These extreme temperatures account for greater risks, and to a certain extent, when analyzed separately, in relation to duration and intensity, which are the length of day and threshold temperature, respectively, constitute the notion of heat waves (HW) [6–10]. However, there is yet to be a unifying notion of standardizing HW definitions as these vary with respect to duration and intensity of temperature in a specific geographical area [11,12].…”

Section: Introductionmentioning

confidence: 99%

Exploring the effects of high temperature on mortality in four cities in the Philippines using various heat wave definitions in different mortality subgroups

Seposo

Đăng

Honda

2017

Global Health Action

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Background: Sustained high temperatures, specifically heat waves (HW), increase the risk of dying, especially among risk populations, which are highly vulnerable to its additional effect. In developing countries, there are only a few studies which focused on the magnitude of the risks attributed to HWs. Objectives: This study explored the HW effects using 15 HW definitions through the combination of duration (> 2, > 4, and > 7 consecutive days) and intensity (at the ≥ 90th, ≥ 95th, ≥ 97th, ≥ 98th, and ≥ 99th temperature percentiles). Methods: Daily mortality count data from 2006–2010 were obtained from the four tropical cities of the Philippines, and were further stratified by mortality sub-groups, such as cause of death, sex, and age. The same period of daily maximum temperature and relative humidity were also collected. We used a distributed lag non-linear model to determine the risks associated with the main temperature effects, as well as the added HW effects. Results: It has been observed that the main temperature effects comprise a substantial portion of the risks compared to the HW effects, even across the mortality sub-groups. Further stratification by the sub-groups showed significant HW effects among the young and male populations. Conclusions: Results of this study can be of use to improve (1) candidate HW definition identification/selection, and (2) risk population-specific strategies, taking into consideration the risk attributions.

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“…Research by epidemiologists and climatologists has grown rapidly following the European heat waves in 2003 (Schär et al, 2004;Carson et al, 2006;Laaidi et al, 2006;Confalonieri et al, 2007;Gosling et al, 2007Gosling et al, , 2009aGosling et al, , 2009bMatthies et al, 2008;Basu, 2009;Jendritzky and de Dear, 2009;Menne and Matthies, 2009;Tobías et al, 2010). That summer many western European countries experienced dramatic death tolls, and temperatures were considered as 'a shape of things to come' (Beniston, 2004).…”

Section: Introductionmentioning

confidence: 99%

Heat‐related mortality in Moldova: the summer of 2007

Corobov¹,

Sheridan

Opopol

et al. 2012

Intl Journal of Climatology

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Heat waves of 2007 in Chisinau (Moldova) were used to study the relationship between elevated temperatures and excess mortality caused by these events. As reference information, daily temperature and mortality data for an 8-year reference period (2000-2008 without 2007) were used. Mean (T mean ), maximum (T max ) and minimum (T min ) daily air temperatures, and corresponding apparent temperatures (ATs) in the warm season (April to September) were correlated with excess total mortality in 2007, taken as the difference of daily death counts or their 7-d moving averages with those of the reference period. Observed excess mortality was totalled about 190-200 deaths or 6.5-6.9% of the reference mortality. The average daily excess deaths above the threshold temperatures (TTs), in terms of a used 'estimator' (a temperature variable), were in the range of 2.0-4.4% per 1• C. TTs were identified as the lowest 2 • C class intervals above which the excess mortality rates began a sharp increase from their zero reference value. For T mean , T max and T min they were estimated as ∼25, 31 and 19 • C; TTs for ATs were somewhat lower. The heat waves were defined as a continuous period satisfying three conditions for daily T max : (1) it is above the 99th percentile of its reference distribution (2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008) for at least three consecutive days, (2) its average value is equal to at least this percentile for the entire period and (3) all daily values are above 90th percentile for the entire period. On the whole, eight heat events caused 146 excess deaths or about 73-77% of their total number in the warm period of 2007. Temperature-excess mortality relationships become stronger with an increasing time lag; maximal effects were revealed on the second-third days for T mean and T max , and on the first-second days for T min . The total effect of mortality displacement was estimated as about 17-25% of 'positive' excess deaths.

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Short-term effects of extreme hot summer temperatures on total daily mortality in Barcelona, Spain

Cited by 40 publications

References 12 publications

Impact of heat and cold waves on circulatory-cause and respiratory-cause mortality in Spain: 1975–2008

Impact of heat and cold waves on circulatory-cause and respiratory-cause mortality in Spain: 1975–2008

Exploring the effects of high temperature on mortality in four cities in the Philippines using various heat wave definitions in different mortality subgroups

Heat‐related mortality in Moldova: the summer of 2007

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