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首页> 外文期刊>Neurocirugia >Influencia de los cambios de presión atmosférica y otras variables meteorológicas en la incidencia de la hemorragia subaracnoidea
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Influencia de los cambios de presión atmosférica y otras variables meteorológicas en la incidencia de la hemorragia subaracnoidea

机译：气压变化和其他气象变量对蛛网膜下腔出血发生率的影响

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Spontaneous subarachnoid hemorrhage is a pathology usually related to risk factors, such as arterial hypertension and/or nicotine poisoning. Nevertheless, other variables exist, like meteorological changes, that although the experience aims as possible responsible for an increase of the incidence, are still not established like such. Objetive: It is to investigate the influence of the meteorological changes, either seasonal variations or changes of atmospheric pressure, in the incidence of the subarachnoid hemorrhage. Method: All the cases of spontaneous subarachnoid hemorrhage are considered from the 1th of January from 1997 to the 31th of March of 2008, making a medical registry of demographic aspects (age, sex) and antecedents (arterial hypertension, diabetes mellitus, cerebral ischemia, nicotine poisoning), as well as numbers of atmospheric pressure (in hectopascales, hPa), daily temperature and relative humidity, throughout this period, with a calculation of the maximum, average and minimum values, as well as pressure differentials between consecutive days. Results: The analysis of the 173 gathered cases showed a predominance of the subarachnoid hemorrhage in female, specially the aneurismal ones, being arterial hypertension, the main factor of related risk. Significant differences between the days with and without hemorrhage were not demonstrated, in relation to the variation of atmospheric pressure (p 0,463), pressure temperature (p 0,381) and relative humidity (p 0,595) throughout the day. Conclusion: In our element, the variations of atmospheric pressure are not related to an increase of incidence of the subarachnoid hemorrhage. Instead of this, cases of subarachnoid hemorrhage take place with changes of hardly 1.7 (1-3) hPa in the day, without observing a clear seasonal tendency.
机译：自发性蛛网膜下腔出血是一种通常与危险因素有关的病理，例如动脉高血压和/或尼古丁中毒。但是，还存在其他变量，例如气象变化，尽管经验的目的是尽可能地增加发病率，但仍然没有像这样确定。目的：研究季节性变化或气压变化的气象变化对蛛网膜下腔出血发生率的影响。方法：从1997年1月1日至2008年3月31日，考虑所有自发性蛛网膜下腔出血病例，对人口统计学方面（年龄，性别）和前因（动脉高压，糖尿病，脑缺血，整个过程中的尼古丁中毒），以及大气压力的数量（以百帕斯卡（hPa）为单位，hPa），每日温度和相对湿度，并计算最大值，平均值和最小值，以及连续两天之间的压差。结果：对173例病例进行分析，发现女性中主要是蛛网膜下腔出血，尤其是动脉瘤，是动脉粥样硬化相关危险的主要因素。没有发现有出血天和无出血天之间的显着差异，这与全天的气压（p 0,463），压力温度（p 0,381）和相对湿度（p 0,595）的变化有关。结论：就我们而言，大气压的变化与蛛网膜下腔出血的发生率增加无关。取而代之的是，蛛网膜下腔出血病例每天变化几乎为1.7（1-3）hPa，而没有观察到明显的季节性趋势。

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