ABSTRACT
Resumen Introducción: Este trabajo presenta las relaciones entre la actividad solar y la incidencia de hospitalizaciones por cuadros depresivos en el registro del Ministerio de Salud de Chile donde se registran todos los egresos hospitalarios entre los años 2001 a 2008. La actividad solar está representada por el número de Wolf, mediante la fórmula R = K (10g+f), donde g corresponde al grupo de manchas solares y f es el número total de manchas solares. Método: Las bases de datos del Ministerio de Salud muestran todos los egresos hospitalarios, tanto de causa psiquiátrica como por otros diagnósticos, incluyendo tantos hospitales públicos como también privados. Para el análisis muestral se seleccionaron los casos que tuvieron como diagnóstico algún episodio depresivo según la clasificación CIE 10 desde F320 hasta F339, ambos incluidos. Se examinó la correlación entre la incidencia anual de hospitalizaciones por depresiones y el número de Wolf promedio para ese determinado año durante el período comprendido entre los años 2001 a 2008, ambos inclusive, lo que corresponde aproximadamente a la mitad de un ciclo solar de 16 años. Resultados: Una menor intensidad de la actividad solar se correlaciona con una mayor frecuencia de hospitalizaciones por depresión en Chile. Conclusiones: Los desórdenes depresivos poseen una correlación inversa significativa con la actividad solar.
Introduction: This paper presents the relations between solar activity and the incidence of hospitalizations for depressive disorder found in the register of the Ministry of Health of Chile, where all the hospital discharges from 2001 to 2008 are kept. Solar activity is represented by the Wolf number, with the formula R = K (10g+f), where g refers to the group of sunspots and f is the total number of sunspots. Method: The databases of the Ministry of Health show all the hospital discharges, whether for psychiatric causes or other diagnoses, including data from public as well as private hospitals. For the sample analysis, two cases diagnosed as depressive disorder according to the classification CIE 10, ranging from F320 to F339, both included, were selected. The correlation between annual incidence of hospitalizations for depression and the average of the Wolf number for that particular year between the period spanning from 2001 to 2008, both included, which corresponds to approximately half of a solar cycle of 16 years. Results: Less intensity of solar activity correlates to a higher frequency of hospitalizations for depression in Chile. Conclusions: Depressive disorders have a significant inverse correlation to solar activity.
Subject(s)
Humans , Male , Female , Solar Activity , Depression , Depressive Disorder , HospitalizationABSTRACT
Aims: To detect significant relationships between risk factors of cerebral stroke and the age of patients. Identify a number of exogenous factors among the geoheliomagnetic and meteorological ones which have a significant impact on the increase in the fatal outcome probability. Study Design: Main research field: cerebral strokes. Place and Duration of Study: The research is based on the results of retrospective analysis of the autopsy of people who died of cerebral stroke according to the data of the N.A. Semashko Municipal Hospital No 1 (Central Municipal Hospital) of Rostov-on-Don, Russia during the years of high (2000-2002) and low (2008-2010) solar activity. Methodology: The study involves 1135 patients who died of cerebral stroke. 5 observation groups were formed depending on the age: 1 group: 34 (3%) – less than 45 years old; 2 group: 200 (17.6%) - between 45-59 years old; 3 group: 540 (47.6%) - between 60-74 years old; 4 group: 356 (31.4%) - between 75-89 years old; 5 group: 5 (0.4%) - 90 and more years old. Nosological signs of disease and endogenous risk factors were recorded for each observation. To evaluate the complex impact of the environmental factors on the death rate of the vascular accidents, 44 exogenous risk factors were analyzed. Results: With the help of multivariate logistic regression method, after the construction of a mathematical model, nine endogenous and 8 exogenous factors, from amount participating in the analysis, which can be factors of immediate death risk for the patients belonging to various age groups, were detected. The coincidence of fact and calculations according to the gradations of the classification variable containing the meaning of number of age group, is ensured in 68.2% of cases (Concordant),coefficient of association Somers’D: .371. Model quality was evaluated according to the modeling sample. It is statistically proved, that death occurred with the patients of young and middle age because of diseases associated with hypertension, atherosclerosis of the 2-3 stage, alcohol. Characteristic CS type – hemorrhagic, especially hematoma class with blood breakthrough into the brain ventricles. Severe course of disease with frequent deaths in the 1st day are typical. In case of established combination of the pathogenic effect is mostly associated with high solar and geomagnetic activity. Among the patients of the elderly and the senile age appeared patients with secondary arterial hypertension, atherosclerosis of the 3-4 stage, heart diseases in the form of ciliary arrhythmia and coronary heart disease. Characteristic CS type – ischemic, especially non-atherothrombotic class. Death during the 1st day was statistically less likely. The maximum meteotropic reactions occur with contrasting weather patterns change, quick change of air masses with different thermal properties. Conclusion: Data about the discovered specific risk factors for the patients of different ages would allow choosing a more efficient individual approach to each patient aimed at improving the effectiveness of treatment and reducing the frequency of fatal outcomes.
ABSTRACT
Background: Exposure to solar activity may be associated with incidence of depressive and manic disorders. Aim: To assess the link between solar activity and appearance of affective disorders. Material and Methods: We examined 1862 clinical records of a psychiatric clinic located in Santiago, Chile. Patients with major depression and manic disorders were included in the study, only when they were admitted at the clinic for the first time. Solar activity was calculated using the Wolf number, which is given by the formula R= K(10g+f), where g stands for the groups of sunspots and f is the total number of sunspots. We examined the correlation between annual incidence of hospital admissions and average Wolf numbers for the period 1990-2005, which corresponds to approximately one and half solar cycles of 16 years. Results: A total of 450 medical records corresponding to 299 patients (199 women) with depressive symptoms and 151 patients (73 women) with mania, were analyzed. There was a higher number of admissions for depression during the years with lower solar activity. Admissions due to mania tended to increase in the years with high solar activity. There was a negative correlation between the number of hospital admissions due to depression and solar activity (Spearman r =-0.812, p < 0.01). The association between the latter parameter and admissions due to mania did not reach statistical significance. Conclusions: There is a significant negative association between the rate of hospital admissions due to depressive disorders and solar activity.