Hospital epistaxis admission rate and ambient temperature

Tomkinson, Alun; Bremmer-Smith, A.; Craven, Claudia; Roblin, D. G.

doi:10.1111/j.1365-2273.1995.tb01857.x

Cited by 29 publications

(35 citation statements)

References 3 publications

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“…For the purpose of eliminating the likely impacts of pollutants, the concentrations of SO 2 , NO 2 , and PM 10 were also included in the GAM model. Previous studies on the relationship between trauma and meteorological conditions generally employed a linear correlation analysis or developed regression equations [12,30,31]. To the best of our knowledge, it is the first time that the GAM model and the more advanced DLNM model are applied in this field.…”

Section: Discussionmentioning

confidence: 99%

The Impacts of Air Temperature on Accidental Casualties in Beijing, China

Wang

Fan

et al. 2016

IJERPH

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Emergency room (ER) visits for accidental casualties, according to the International Classification of Deceases 10th Revision Chapters 19 and 20, include injury, poisoning, and external causes (IPEC). Annual distribution of 187,008 ER visits that took place between 2009 and 2011 in Beijing, China displayed regularity rather than random characteristics. The annual cycle from the Fourier series fitting of the number of ER visits was found to explain 63.2% of its total variance. In this study, the possible effect and regulation of meteorological conditions on these ER visits are investigated through the use of correlation analysis, as well as statistical modeling by using the Distributed Lag Non-linear Model and Generalized Additive Model. Correlation analysis indicated that meteorological variables that positively correlated with temperature have a positive relationship with the number of ER visits, and vice versa. The temperature metrics of maximum, minimum, and mean temperatures were found to have similar overall impacts, including both the direct impact on human mental/physical conditions and indirect impact on human behavior. The lag analysis indicated that the overall impacts of temperatures higher than the 50th percentile on ER visits occur immediately, whereas low temperatures show protective effects in the first few days. Accidental casualties happen more frequently on warm days when the mean temperature is higher than 14 °C than on cold days. Mean temperatures of around 26 °C result in the greatest possibility of ER visits for accidental casualties. In addition, males were found to face a higher risk of accidental casualties than females at high temperatures. Therefore, the IPEC-classified ER visits are not pure accidents; instead, they are associated closely with meteorological conditions, especially temperature.

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Section: Discussionmentioning

confidence: 99%

The Impacts of Air Temperature on Accidental Casualties in Beijing, China

Wang

Fan

et al. 2016

IJERPH

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“…Environmental triggering factors have been described in the literature as explanations for hemorrhagic events. Principally, a marked increase in hospital attendance due to epistaxis during colder days has been described, 13 although Bray and colleagues, 14 with a larger series, found no correlation between temperature, seasonal preponderance, and epistaxis. Apart from epistaxis, association of bleeding occurence with meteorological variations was found.…”

Section: Discussionmentioning

confidence: 99%

“…Meteorological data for the period from January 2007 to December 2011 were obtained from the Catalan meteorological agency (http://www.meteo.cat, Accessed December 13,2012) for one weather station located in Badalona, 5 km away from our institution. Monthly mean values were obtained for maximum temperature, minimum temperature, mean temperature, atmospheric pressure, rainfall, relative humidity, and wind speed.…”

Section: Climatic Data Collectionmentioning

confidence: 99%

Association of Influenza-Like Illness and Climatic Parameters With Hemoptysis

et al. 2014

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BACKGROUND: Although some authors have suggested that there is some seasonal periodicity of hemoptysis, or relation to respiratory tract infections, the association of influenza or climatic parameters with hemoptysis has been poorly investigated. Our aim was to describe the relationship between influenza and climatic parameters with severe hemoptysis that required bronchial artery embolization (BAE). METHODS: All consecutive subjects with at least one episode of hemoptysis that required BAE during a 5-y period were included. We applied a general multivariable additive seemingly causal model corresponding to a lagged variable autoregressive model with the exogenous variables as monthly mean temperature, lagged monthly mean temperature (؊1), and monthly mean influenza activity, and the number of embolizations as the endogenous variable. RESULTS: We found a significant association between severe hemoptysis requiring BAE and low monthly mean temperature and influenza activity. Other climatic factors, such as atmospheric pressure, rainfall, relative humidity, or wind speed, failed to show significant association with the occurrence of life-threatening hemoptysis. CONCLUSIONS: There is a strong long running relationship between severe hemoptysis and low monthly mean temperature. A weaker association of hemoptysis with influenza activity was also found.

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“…3 Tomkinson et al, showed that there was a marked increased in hospital attendence during colder days, where patients were admitted at a rate of 0.829 patients per day for temperatures less than 5 degree celsius (95% Confidence Interval: 0.737-0.928), compared with 0.645 patients per day between 5.1 and 10 degrees celsius, (95%.586-0.708). 13 Lewandowski et al, revealed that highest occurance of epistaxis was observed during the cold season between December and April (from 9.2 to 13.36% of all patients seen per month). 10 Our study showed that there is a good correlation between epistaxis and ambient temperature and average relation with the relative humidity.…”

Section: Discussionmentioning

confidence: 99%

Epistaxis and its Relation with Temperature and Humidity

Rijal

Maharjan

Joshi

et al. 2012

Nepalese J ENT Head Neck Surg

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from the nose or epistaxis is a common presentation in the Ear, Nose and Throat (ENT) department. Various factors are responsible for nose bleed. It has been observed that 60% of the people experience at least one episode of epistaxis in their life time and 6% seek medical attention for this condition. 1 The incidence of epistaxis at the hospital is more during the dry and cold seasons. The frequency of admission is greatest in the autumn and winter months. 2 This seasonal variation correlates with fluctuations in the environmental temperature. 3 In the few reports found in literature, most research supports that there is a correlation between the frequency of epistaxis and at least one of the meteorological factors i.e. temperature, humidity and atmospheric pressure. However, the studies done on this topic are still few. There are various classifications for epistaxis. It is clinically classified as primary if there is no proven cause and secondary if there is a definite identifiable cause. It is also classified according to age as childhood and adult. Another way of classifying epistaxis is based on the site of bleeding, where the bleeding can be anterior or posterior in relation to the piriform aperture. 4 The causes of epistaxis are local and systemic. A careful history, physical examination and laboratory assessments are required for proper diagnosis. This study was done to observe the frequency of primary epistaxis at Nepal Medical College and Teaching Hospital (NMCTH) and its correlation to the seasonal variations of temperature and humidity. M A T E R I A L A N D M E T H O D S :Two hundred and sixty two consecutive patients attending ENT outpatient department of Nepal Medical College and Teaching Hospital (NMCTH) with nose bleed were included in the study. The study period was 2 years from August 2008 to July 2010. The study group comprised both hospitalised and not hospitalised patients. Nose bleed without any known cause or primary cases of epistaxis were included in this study. The exclusion criteria were patients with obvious causes for epistaxis, patients with trauma, coagulopathies, tumours and systemic causes. Out of 262 patients,105 cases were primary epistaxis. Daily temperature and humidity as documented by the Department of Hydrology and Meteorology of the Government of Nepal were recorded during this study period. The daily arithmetic averages (mean) of temperature and humidity were taken from which the mean monthly temperature and relative humidity were calculated. The frequency of epistaxis on a monthly basis was recorded and the seasonal variations were observed. Statistical analysis with Pearsons correlation coefficient was used to see the correlation between EPISTAXIS AND ITS RELATION WITH TEMPERATURE AND HUMIDITY O b j e c t i v e :The objective of this study was to observe the frequency of primary epistaxis and its relation with temperature and relative humidity. M a t e r i a l s a n d M e t h o d s :This was a prospective study which included 262 patients with epistaxis attending th...

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Hospital epistaxis admission rate and ambient temperature

Cited by 29 publications

References 3 publications

The Impacts of Air Temperature on Accidental Casualties in Beijing, China

The Impacts of Air Temperature on Accidental Casualties in Beijing, China

Association of Influenza-Like Illness and Climatic Parameters With Hemoptysis

Epistaxis and its Relation with Temperature and Humidity

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