Weather patterns and asthma epidemics in New York City and New Orleans, U.S.A.

Goldstein, Inge F.

doi:10.1007/bf02250575

Cited by 39 publications

(14 citation statements)

References 18 publications

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“…The confounding effect of weather has to be taken into account in this kind of study. Several studies have shown that temperature, humidity and barometric pressure are correlated with asthma exacerbation [20,[28][29][30]. However, other authors [26] were not able to find any relationship between these factors.…”

Section: Discussionmentioning

confidence: 48%

Effects of Air Pollution and Weather Conditions on Asthma Exacerbation

et al. 1999

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Background: Meteorological conditions and a high concentration of air pollutants have been associated with increased respiratory morbidity. However, few studies have examined the association between asthma exacerbation and air pollution. Objectives: In the present study, the possible relationship of the concentration of black smoke and SO₂ in the air, the local weather conditions and emergency room visits for asthma is investigated. Methods: The weekly total of emergency room admissions for asthmatic adults during a 1-year period was recorded together with daily metereological conditions (average temperature, humidity, rainfall, wind speed and barometric pressure) and average weekly levels of daily pollutant concentrations (black smoke and SO₂). The relationship was assessed by stepwise regression linear models and analysis of variance. The analysis took into account season and metereological variables. Results: Both air pollutants correlated significantly with emergency room admissions for asthma (SO₂ [r = 0.32], black smoke [r = 0.35]); however, multiple regression analysis showed that black smoke was the only significant predictor of weekly visits. There were approximately 3.5 admissions a week per SD of change (34.6 µg·m^–3). There were no significant correlations between weekly emergency room visits and the weather variables. Analysis of the data stratified by season and weather conditions demonstrated that the association of black smoke with asthma exacerbation was more pronounced in autumn (r = 0.67) or when temperatures were higher than average. Conclusion: In our city, a high concentration of certain air pollutants is indeed associated with an increase in the number of hospital emergency room admissions for asthma.

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Section: Discussionmentioning

confidence: 48%

Effects of Air Pollution and Weather Conditions on Asthma Exacerbation

et al. 1999

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“…Although the cool, damp autumn days have been considered risk factors for asthma, they may only be risk indicators [32]. GOLDSTEIN [3] reported that asthma epidemics in New Orleans were preceded by a cold front and then a high pressure system. Physiologically, it is difficult to attribute climatic changes per se to the autumn asthma peak.…”

Section: Discussionmentioning

confidence: 99%

“…In a 1981 review of mould-induced asthma, SALVAGGIO and AUKRUST [9] concluded that "a firmly established cause and effect relation has not been proved". GOLDSTEIN [3], observing that most asthma "epidemics" in New Orleans and New York were preceded by cold fronts followed by high pressure systems, postulated that new air was carrying unidentified "asthmatogens". Other hypotheses have included viral infections and changes in indoor air quality associated with heating [5,7].…”

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confidence: 99%

“…During the period 1965-1967, SALVAGGIO et al [2] observed that daily asthma admissions to the Charity Hospital in New Orleans were greatest from September until November. In New York, during 1969-1971, GOLDSTEIN [3] found that 50% of the annual asthma admissions occurred between September and November. More recently, WEISS [4] reported on a US National sample of hospital discharges between 1982 and 1986.…”

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confidence: 99%

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Respiratory infections and the autumn increase in asthma morbidity

Dales¹,

Schweitzer²,

Toogood³

et al. 1996

Eur Respir J

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Unexplained autumn increases in hospital admissions for asthma have been reported in many countries, including the United States, Canada, England and Wales.To investigate the role of infection, the association was tested between hospital admissions for asthma and respiratory infections among preschool children in Metropolitan Toronto, Canada during the period 1981 to 1989. The seasonal pattern in overall hospital utilization was assessed by admissions for nonrespiratory diseases. Time series analysis was used to remove potentially confounding temporal trends and the influence of correlated errors.A fourfold increase in asthma admissions occurred between July and October unaccompanied by similar increases in nonrespiratory admissions. Admissions began increasing during the third week of August, peaked during the third week in September, and slowly decreased during November and December. After adjusting for serial correlation, trends, climate, ambient air pollution and aeroallergens, the seasonal pattern of respiratory infection explained 14% of the variance in asthma admissions.Based on seasonal patterns, respiratory infection is the major identifiable risk factor for the large autumnal increase in asthma admissions.

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“…Furthermore, in both New Orleans and New York City almost every asthma epidemic Corresponding author: Kostas N. Priftis, Allergy-Pneumonology Department, Penteli Children's Hospital, 152 36 P. Penteli, Greece; E-mail: kpriftis@otenet.gr was preceded by the passage of a cold front (by 1 to 3 days) followed by a high pressure system (12).…”

Section: Introductionmentioning

confidence: 99%

The Effect of Weather Variability on Pediatric Asthma Admissions in Athens, Greece

et al. 2008

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The aim of this study was to determine whether there is any association between weather variability and asthma admissions among children in Athens, Greece. Medical data were obtained from hospital registries of the three main Children's Hospitals in Athens during the 1978-2000 period; children were classified into two age groups: 0-4 and 5-14 years. The application of Generalized Linear Models with Poisson distribution revealed a significant relationship among asthma hospitalizations and the investigated parameters, especially for the children aged 0-4 years. Our findings showed that Hospital admissions for childhood asthma in Athens, Greece, is negatively correlated with discomfort index, air temperature and absolute humidity whereas there is a positive correlation with cooling power, relative humidity and wind speed.

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Weather patterns and asthma epidemics in New York City and New Orleans, U.S.A.

Cited by 39 publications

References 18 publications

Effects of Air Pollution and Weather Conditions on Asthma Exacerbation

Effects of Air Pollution and Weather Conditions on Asthma Exacerbation

Respiratory infections and the autumn increase in asthma morbidity

The Effect of Weather Variability on Pediatric Asthma Admissions in Athens, Greece

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