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Objetivo: Examinar los cambios en la tasa de hospitalización entre 1985 y 1994 en España y en Andalucía, y estimar la proporción atribuible al envejecimiento poblacional. Métodos: Se calcula el incremento de las tasas de hospitalización entre 1985 y 1994. Se estiman las altas esperadas en 1994 multiplicando las tasas de hospitalización de 1985 por la población en 1994 para cada grupo de edad. Resultados: Entre 1985 y 1994 se produjo un incremento en la tasa de hospitalización en los mayores de 55 años. El incremento oscila entre el 20,01% (de 55 a 64 años) y el 52% (> 75 años); y el porcentaje atribuible al envejecimiento poblacional es pequeño (2,8-14,8%). Conclusión: El aumento en la tasa de hospitalización en mayores de 55 años se explica parcialmente por el envejecimiento poblacional, atribuible a la demanda y a la oferta de servicios.

The article presents a cohort study on multilayer perceptrons which aims to establish a classification model that would enhance the postpartum depression (PPD) prediction seven months after childbirth, and create an instrument that support the decision making process for medical personnel. The research examined the data from 1,397 women who have just given birth in various clinics and hospitals in Spain. Results revealed good performance of multilayer perceptron models in predicting postpartum depression that lead to the conclusion that the specified models can be medically assessed in future work.

Introduction: The Edinburgh Postnatal Depression Scale (EPDS) is considered the gold standard in screening for postpartum depression. Although the Spanish version has been widely used, its factorial structure has not yet been studied ., Methods: A total of 1,204 women completed the EPDS 32 weeks after delivery. To avoid multiple testing, we split the sample into two halves, randomly drawing two subsamples of 602 participants each. We conducted exploratory factor analysis (EFA), followed by an oblimin rotation with the first sub-sample. Confirmatory factor analysis (CFA) was conducted using a Weighted Least Squares Means and Variance (WLSMV) estimation of the data. We explored different solutions between two and four factors. We compared the factors between two groups with depression and non-depression (evaluated with the Diagnostic Interview for Genetic Studies (DIGS) for the DSM-IV)., Results: The EFA indicated a three-factor model consisting of anxiety, depression and anhedonia. The results of the CFA confirmed the three-factor model (&#967;2=99.203, p<0.001; RMSEA=0.06, 90% CI=0.04/0.07, CFI=0.87 and TLI=0.82). Women with depression in the first 32 weeks obtained higher scores for anxiety, depression and anhedonia dimensions (p<0.001)., Conclusions: This is the first study of confirmatory analysis with the Spanish version of EPDS in a large sample of women without psychiatric care during pregnancy. A three-factor model consisting of anxiety, depression and anhedonia was used. Women with depression had a higher score in the three dimensions of the EPDS.

Cocaine addiction is a growing health problem and among its complications highlights the high prevalence of mental disorders co-occurring with abuse and dependence. This psychopathological comorbidity varies according to the time of consumption and the age of the patient. Early detection of psychopathological disorders associated with drug consumption is necessary to optimize health care and to improve the prognosis. The main aim of the present study was to estimate the prevalence and characteristics of psychopathological comorbidity in a population of subjects seeking outpatient treatment for cocaine use. We recruited 110 subjects using cocaine by nasal insufflations evaluated with the PRISM (Psychiatric Research Interview for Substance and Mental Disorders), a semi-structured diagnostic interview that differentiates primary mental disorders from those induced by the drug. This population presented 86.4% male and had a mean age of 36.5. They displayed a pathological use of cocaine of 7 years and the presence of psychopathology was associated with a higher number of DSM-IV-TR (Diagnostic and Statistical Manual of Mental Disorders- IV-TR) criteria for substance dependence. The lifetime prevalence of some psychopathological comorbidity was 61.8%, highlighting mood disorders (34.5%), followed by anxiety disorders (22.7%) and psychotic disorders (15.5%). About 20% showed antisocial personality disorder and 21% borderline personality disorder. From among mood and psychotic disorders, the induced disorders were more frequent, while the primary disorders were more prevalent in anxiety.

Cocaine is associated with serious health problems including psychiatric co-morbidity. There is a need for the identification of biomarkers for the stratification of cocaine-addicted subjects. Several studies have evaluated circulating endocannabinoid-related lipids as biomarkers of inflammatory, metabolic and mental disorders. However, little is known in substance use disorders. This study characterizes both free N-acyl-ethanolamines (NAEs) and 2-acyl-glycerols in abstinent cocaine addicts from outpatient treatment programs who were diagnosed with cocaine use disorder (CUD; n = 88), and age-/gender-/body mass-matched healthy control volunteers (n = 46). Substance and mental disorders that commonly occur with substance abuse were assessed by the semi-structured interview 'Psychiatric Research Interview for Substance and Mental Diseases' according to the 'Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision' (DSM-IV-TR) and plasma-free acyl derivatives were quantified by a liquid chromatography-tandem mass spectrometry system. The results indicate that plasma acyl derivatives are altered in abstinent cocaine-addicted subjects with CUD (CUD subjects). While NAEs were found to be increased, 2-acyl-glycerols were decreased in CUD subjects compared with controls. Multivariate predictive models based on these lipids as explanatory variables were developed to distinguish CUD subjects from controls providing high discriminatory power. However, these alterations were not influenced by the DSM-IV-TR criteria for cocaine abuse and dependence as cocaine trait severity measure. In contrast, we observed that some free acyl derivatives in CUD subjects were found to be affected by the diagnosis of some co-morbid psychiatric disorders. Thus, we found that the monounsaturated NAEs were significantly elevated in CUD subjects diagnosed with mood [N-oleoyl-ethanolamine and N-palmitoleoyl-ethanolamine (POEA)] and anxiety (POEA) disorders compared with non-co-morbid CUD subjects. Interestingly, the coexistence of alcohol use disorders did not influence the circulating levels of these free acyl derivatives. In summary, we have identified plasma-free acyl derivatives that might serve as reliable biomarkers for CUD. Furthermore, we found that monounsaturated NAE levels are also enhanced by co-morbid mood and anxiety disorders in cocaine addicts. These findings open the way for the development of new strategies for cocaine addiction diagnosis and treatment., (© 2013 Society for the Study of Addiction.)

Background: Little information has become available after psychiatric reforms regarding outcomes of persons with schizophrenia and related disorders cared for in community-based mental health facilities., Aims: The aim of this study was to determine the consequences of psychiatric services in the users of mental health services in Malaga., Method: We describe the cohort and methods involved in the Schizophrenia Case Register (RESMA) in Malaga, Spain. All cases (n = 1,022) were users of public mental health services provided in the catchment area over one year. The majority were male (65%), single (68%), living with their original family (50%), with primary education (41%) and living on disability benefits (52%)., Results: Concerning use of services, the majority had out-patient contacts (89%)., Result: s show a substantial overlap in the use of different services during the study period., Conclusion: The Malaga Schizophrenia Case Register provides sociodemographic, clinical and service use information for a large sample of patients with schizophrenia or related disorders. Results obtained from the cohort studied will be instrumental for the follow-up and evaluation of the mental health care reform.

The contribution of the endocannabinoid system to dopamine-mediated disorganized behavior in schizophrenia is discussed. We used a model of concurrent stimulation of dopamine D1 and D2 receptors to evaluate the role of this system in dopamine-mediated stereotypies measured in a hole-board test. Pretreatment with the cannabinoid CB1 receptor antagonist N-(piperidin-1-yl)-5-(4-chlorophenyl)-1-(2,4-dichloro-phenyl)-4-methyl-1H-pyrazole-3-carboxamide (SR141716A; 1 mg/kg) potentiated stereotyped behavior induced by coadministration of the dopamine D1 receptor agonist SKF 38393 (0.05, 0.1 and 1 mg/kg) and the dopamine D2 receptor agonist quinpirole (0.25 mg/kg). Thus, the endocannabinoid system acts as a brake for abnormal behavior associated with dopaminergic overactivation.

Objectives: To examine changes in hospital service utilization between 1985 and 1994 in Spain and Andalucía and to estimate the proportion of change due to population ageing., Methods: The increase in hospitalization rates between 1985 and 1994 was calculated. Expected hospital discharges in 1994, were calculated by multiplying hospital discharge rates in 1985 by the population in 1994 for each age group., Results: Between 1985 and 1994 hospitalization rates increased among persons aged 55 years old order. The increase ranged from 20.01% (55-64 years old) to 52% (more than 75 years old). The percentage of this increase due to population ageing was slight (range: 2.8 to 14.8%)., Conclusions: The increase in hospitalization rates among persons aged 55 years old or older is only partially explained by population ageing, which can be attributed to supply and demand of services.

The aggressiveness of invasive micropapillary carcinomas of the breast (MPCa) is still controversially discussed. Therefore, we investigated a total of 68 cases and studied the evolution of 54. MPCa were frequently well-differentiated cancers with the following positivities for immunohistochemistry: 74.5% estrogen receptor (ER+), 46.3% progesterone receptor (PR+), 66% Bcl2+, and 36.4% C-erbB-2+. However, in 90.5% of the cases lymph nodes were involved at diagnosis, and 70.6% of T1 tumors showed wide metastatic spread. After a mean follow-up of 52.6 months, 55.6% of the patients were disease free (DF), 7.4% had disseminated disease and 37% had died. Univariate analysis showed significant differences. Thus, the DF group of patients included 90% of those having tumors with an associated colloid pattern, 73.3% of the ER positive tumors, none of the C-erbB-2 positive tumors, and 100% of the tumors with no axillary metastasis, 77.8% of those with metastasis to up to 3 nodes, and 47.2% of those metastasizing to 4 or more nodes. However, using Cox's regression model for survival analysis, ER was the only factor associated with duration of survival (p = 0.0175). In conclusion, although long-term survival in MPCa is determined by involvement of lymph nodes, as is the case in any other breast cancer type, their short-term evolution is influenced by other factors, mostly by estrogen receptors.

Objective: To describe consistent condom use between drug injectors and their regular sexual partners and to identify factors associated to its use which may be amenable to intervention., Methods: Information was collected by personal interviews of drug injectors in 13 sampling points of the city of Granada, Spain. A bivariate analysis of factors identified in the literature was carried out and a multivariate logistic regression was fitted to the data to test the hypothesized associations., Results: The proportion of drug injectors who report consistent condom use with their regular partners was 26. 4%. Talking about condoms with other injectors and with their regular sexual partners, professional sources of information and counselling when receiving results of HIV testing are independently associated with the use of condoms. In terms of social indicators, those with the highest and lowest levels of social integration use condoms less than those who belong to the middle social group. Sociodemographic characteristics and history of drug injection are not associated with consistent condom use with the regular partner., Conclusion: The use of condoms between drug injectors and their regular sexual partners is associated with communication with other drug injectors, the sexual partner and hearth professionals, on this topic. Promoting consistent condom use with regular partners among intravenous drug users is best accomplished through peer groups and during HIV counseling.