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Introduction: The effects of the COVID-19 pandemic on Latin American labor markets continue to be quantified, to identify the social and economic impacts that this pandemic had, and to design more efficient public policies that would protect the most vulnerable groups. For this reason, the research question was as follows: what were the changes in the labor formality rates before and two years after the main contingency measures of the COVID-19 pandemic were implemented? Methods: Using data from Argentina, Bolivia, Chile, Colombia, Ecuador, Guatemala, Mexico, Peru, and Uruguay, the formality rate (τ) was analyzed, which was calculated using a weighted average between the formal employment rates of the number (i) of economic sectors (p) in a specific period (t). Results: The results suggest that the weighted labor formality rate increased in the countries of the region. These changes in formality could be the result of greater capital accumulation, the integration of productive processes, the integration of commercialization processes, and differentiated fiscal stimuli (i.e., the intrasectoral aspect), but it was not due to the displacement of workers from highly informal economic sectors to more formalized sectors (i.e., the intersectoral component). Discussion: The findings emphasized the precarious situation of women in the region, regardless of the country, particularly in Ecuador, Peru, Bolivia, and Argentina. These findings suggest the need to design public policies that reverse the current situation of the labor market and prevent future economic shocks, with special emphasis on the informal sector and women.

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INTRODUCTION: Epilepsy is a common neurological disorder associated with comorbidities and a reduced quality of life (QoL). Internalized stigma is negatively correlatedwiththe QoL, whereas high levels of resilience are associated with increased QoL. Although the stigma towards people with epilepsy (PWE) is expected to be higher in low-income settings than in high-income settings, further research is needed. This study aimed to examine the extent to which resilience and internalized stigma correlatewith the QoL in PWE from a low-income population. MATERIAL AND METHODS: A cross-sectional, observational, descriptive study was conducted on 60 PWE who visited the Neurology Department of the Hospital de Clinicas (Buenos Aires, Argentina) between May and September 2022. Demographic and clinical data were collected. Participants completed the Quality of Life, Enjoyment and Satisfaction Questionnaire-Short Form (Q-LES-Q-SF), the Chronic Illness Anticipated Stigma Scale (CIASS), and the Resilience Scale (RS). Variables that showed a significant association with the QoL in the univariate analysis were included in a multiple regression model. RESULTS: Participants had a low overall QoL score, with a median of 59 (95 %CI: 57.2-61.8). They had an average level of education and a high rate of unemployment. Perceived stigma was higher in the workplace than in the medical or family settings. Univariate analysis revealed that the QoL was associated with internalized stigma score, resilience score, seizure frequency, seizure etiology, work status, and educational level. The multiple regressionrevealed a significant decrease in the QoL when perceived stigma increased (p = 0.0016) or when the cause of epilepsy was structural (p = 0,006) and a significant increase in the QoL when the resilience score was higher (p = 0.0004). CONCLUSION: The QoL of PWE in a low-income context is strongly associated with their levels of resilience and internalized stigma. When addressing the social burden of epilepsy, resilience support should be increased in the care of PWE to reduce internalized stigma and improve the QoL.

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BACKGROUND: Food insecurity continues to be a problem throughout the world. When estimating food insecurity, few studies analyze the contexts where the phenomenon takes place. By bearing in mind levels of marginalization in four states of Mexico, this paper answers two questions: (I) What problems are experienced with access to food, and how these difficulties affect the amount of food consumed in households? and (II) How do households experience the concern of running out of food? METHODS: Our qualitative study draws data from urban and semi-urban areas of four Mexican states: Mexico City, Tamaulipas, the State of Mexico, and Oaxaca. Each state presents different levels of well-being. The study's participants are selected using the snowball method. Eligibility criteria are based on demographic characteristics such as education, age, and gender. A thematic analytical approach is conducted to analyze collected data from a total of 212 semi-structured interviews. RESULTS: The study's findings indicate that concern of food scarcity is a generalized feeling among participants across different levels of marginalization. Individuals with stable jobs living in contexts of low levels of marginalization experience worriedness when their budgets tightened before the end of the payday, a bi-weekly payment format, named the quincena in México. This psychological state of mind changes through the payday cycle, a period when the direct relationship between food accessibility and consumption weakens. In response, individuals develop strategies to cope with the uncertainty of experiencing food insecurity, such as rationing food portions and/or hoarding food supplies. Even when food accessibility exists, interviewees identify insufficient income as the primary issue in contexts of low and very low levels of marginalization. CONCLUSIONS: Conclusive remarks drawn from our analysis underline the importance of the context of marginalization in influencing households' experiences with food insecurity. At the quincena's end, food insecurity increases, even in contexts of very low marginalization. Our study calls for rethinking the scales employed to measure food insecurity, specifically the questions related to fear of food scarcity. Coping strategies are implemented by surveyed individuals to resolve issues and repercussions that emerge from experiencing food insecurity differ by context of marginalization.

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This paper responds to two questions-What dimensions and indicators are relevant to the construction of social wellbeing? How are the levels of wellbeing distributed in the municipalities of Mexico City? To answer these questions, we use data from the Wellbeing Survey (N = 2,871) that is representative of Mexico City and its municipalities. We employed two methods, DM-R distances, and Mamdani's Fuzzy Inference Method. The results show that all the proposed dimensions and indicators contributed to the building of multidimensional social wellbeing; in the case of some indicators (social security, built environment, and public insecurity) they contributed less. This suggests government interventions should be designed in order to improve the gaps in those areas. The evidence also indicates that community wellbeing is a relevant dimension when measuring social wellbeing in large cities, in addition to identifying areas of intervention for the development of more efficient and inclusive public policies.

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Abstract Background: Status epilepticus (SE) is a neurological emergency. Non-convulsive status epilepticus (NCSE) can only be diagnosed by electroencephalogram (EEG) because the motor clinical symptoms are usually subtle or absent, with high mortality. The best treatment is still unknown. Objectives: Our aim was to assess anticonvulsive and anesthetic drugs in NCSE and their correlation with Epidemiology-based Mortality Score in Status Epilepticus (EMSE), Status Epilepticus Severity Score (STESS) and mortality. Methods: Retrospective, observational, descriptive, cross-sectional study. Ninety patients in intensive care unit over 18 years-old (57 females [63.3%] and 33 males [36.6%], mean age 63.5 years [SD ± 19]) with NCSE, at the Buenos Aires British Hospital. Data was collected between January 2018 and June 2021. An adjusted mul tivariate statistical analysis was performed. Ninety-five (95%) CI, p<0.05 as statistically significant. EMSE and STESS were used in this study. Results: Total mortality rate was 37.8% (34/90), and in patients ≥ 65 years-old (54/90) it was 40.7% (22/54). Patients with 0-2 STESS (11/90) were discharged, while those with STESS ≥ 3 (79/90) had a 43% death rate (34/79). Patients with EMSE < 34 (27/90) had 7.4% (2/27) death rate, while those with EMSE ≥ 34 (63/90) had 50.8% (32/63). No significant differences were found in survival with regard to the number of antiepileptic drugs administered. Pa tients treated with anesthetics presented a 2.6-fold death risk increase (95% CI 1.001-6.83). Discussion: It could be assumed that mortality rate increases 2.6-fold when patients are treated with anes thetic drugs, regardless of the number of antiepileptic drugs previously administered.

Resumen Introducción: El estado de mal epiléptico (SE) es una emergencia neurológica. El SE no convulsivo (SENC) se diagnostica únicamente por electroencefalograma de bido a la ausencia o sutileza de sintomatología clínica motora, con una mortalidad elevada. No se conoce aún el mejor tratamiento. Objetivos: Evaluar drogas anticonvulsivas y anestési cas en el SENC y su correlación con Epidemiology-based Mortality Score in Status Epilepticus (EMSE), Status Epilep ticus Severity Score (STESS) y el índice de mortalidad. Métodos: Estudio retrospectivo, observacional, de scriptivo, de corte transversal. Noventa pacientes ≥ 18 años (57 mujeres [63.3%] y 33 hombres [36.6%], media de edad 63.5 años [DS ± 19]) con diagnóstico de SENC, en el Hospital Británico. Estudio realizado entre enero 2018 y junio 2021. Análisis estadístico multivariado ajustado. IC 95% p< 0.05 como estadísticamente significativo. Se utilizaron escalas de EMSE y STESS. Resultados: La mortalidad total fue de 37.8% (34/90). Los pacientes ≥ 65 años (54/90) presentaron una mayor tasa de muerte 40.7% (22/54), todos aquellos con STESS de 0-2 (11/90) egresaron, mientras que entre los que presentaron ≥ 3 (79/90) el 43% (34/79) falleció. De los pacientes con EMSE < 34 (27/90) dos fallecieron (7.4%) y de aquellos con EMSE ≥ 34 (63/90) falleció el 50.8% (32/63). No hallamos diferencias significativas entre cantidad de drogas antiepilépticas utiliza das y supervivencia. Pacientes con anestésicos tuvieron un aumento del riesgo de muerte 2.6 veces (IC 95% 1.001-6.83). Discusión: De acuerdo a esto la mortalidad con drogas anestésicas aumenta, independientemente de la cantidad de drogas anticonvulsivas utilizadas previamente.

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BACKGROUND: Status epilepticus (SE) is a neurological emergency. Non-convulsive status epilepticus (NCSE) can only be diagnosed by electroencephalogram (EEG) because the motor clinical symptoms are usually subtle or absent, with high mortality. The best treatment is still unknown. OBJECTIVES: Our aim was to assess anticonvulsive and anesthetic drugs in NCSE and their correlation with Epidemiology-based Mortality Score in Status Epilepticus (EMSE), Status Epilepticus Severity Score (STESS) and mortality. METHODS: Retrospective, observational, descriptive, cross-sectional study. Ninety patients in intensive care unit over 18 years-old (57 females [63.3%] and 33 males [36.6%], mean age 63.5 years [SD ± 19]) with NCSE, at the Buenos Aires British Hospital. Data was collected between January 2018 and June 2021. An adjusted multivariate statistical analysis was performed. Ninety-five (95%) CI, p < 0.05 as statistically significant. EMSE and STESS were used in this study. RESULTS: Total mortality rate was 37.8% (34/90), and in patients = 65 years-old (54/90) it was 40.7% (22/54). Patients with 0-2 STESS (11/90) were discharged, while those with STESS = 3 (79/90) had a 43% death rate (34/79). Patients with EMSE < 34 (27/90) had 7.4% (2/27) death rate, while those with EMSE = 34 (63/90) had 50.8% (32/63). No significant differences were found in survival with regard to the number of antiepileptic drugs administered. Patients treated with anesthetics presented a 2.6-fold death risk increase (95% CI 1.001-6.83). DISCUSSION: It could be assumed that mortality rate increases 2.6-fold when patients are treated with anesthetic drugs, regardless of the number of antiepileptic drugs previously administered.

Introducción: El estado de mal epiléptico (SE) es una emergencia neurológica. El SE no convulsivo (SENC) se diagnostica únicamente por electroencefalograma debido a la ausencia o sutileza de sintomatología clínica motora, con una mortalidad elevada. No se conoce aún el mejor tratamiento. Objetivos: Evaluar drogas anticonvulsivas y anestésicas en el SENC y su correlación con Epidemiology-based Mortality Score in Status Epilepticus (EMSE), Status Epilepticus Severity Score (STESS) y el índice de mortalidad. Métodos: Estudio retrospectivo, observacional, descriptivo, de corte transversal. Noventa pacientes = 18 años (57 mujeres [63.3%] y 33 hombres [36.6%], media de edad 63.5 años [DS ± 19]) con diagnóstico de SENC, en el Hospital Británico. Estudio realizado entre enero 2018 y junio 2021. Análisis estadístico multivariado ajustado. IC 95% p < 0.05 como estadísticamente significativo. Se utilizaron escalas de EMSE y STESS. Resultados: La mortalidad total fue de 37.8% (34/90). Los pacientes = 65 años (54/90) presentaron una mayor tasa de muerte 40.7% (22/54), todos aquellos con STESS de 0-2 (11/90) egresaron, mientras que entre los que presentaron = 3 (79/90) el 43% (34/79) falleció. De los pacientes con EMSE < 34 (27/90) dos fallecieron (7.4%) y de aquellos con EMSE = 34 (63/90) falleció el 50.8% (32/63). No hallamos diferencias significativas entre cantidad de drogas antiepilépticas utilizadas y supervivencia. Pacientes con anestésicos tuvieron un aumento del riesgo de muerte 2.6 veces (IC 95% 1.001-6.83). Discusión: De acuerdo a esto la mortalidad con drogas anestésicas aumenta, independientemente de la cantidad de drogas anticonvulsivas utilizadas previamente.

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Introduction: Considering the increasing incidence of crime in Mexico, it is necessary to understand the strategies that individuals utilize in response to victimization and the effects of this on their subjective well-being. Methods: A generalized structural equation modeling (GSEM) analysis with data from the 2012 Self-reported Well-Being Survey (BIARE, n = 10,654); dependent variables: subjective well-being (i.e., cognitive well-being and affective balance); independent variables: self-reported victimization (i.e., by domestic violence, community violence, and structural violence) and cultural participation (i.e., cultural attendance, engagement, and consumption). Results: Results show an overall positive and statistical influence of the cultural participation activities on the subjective well-being of victims of community and structural violence (but not of domestic violence), because, for those who reported higher levels of cultural participation, the probability of better subjective well-being were higher. Conclusions: Victims potentially coped and adapted to stressful and traumatic situations (i.e., experiences of victimization) via cultural participation activities. However, there are distinctive effects according to different forms of violence, which may be accounted for in formulating public policies related to victims. This has implications for scholars, policymakers, and practitioners in improving the general quality of life of victims and the general population.

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BACKGROUND: Comorbidities increase the risk of death for patients with COVID-19, however, little is known about how it affects the prognosis of migrants who contract the virus. Therefore, this article aims to determine which comorbidities and risk conditions are associated with the probability of death among migrants infected with COVID-19 in Mexico. METHODS: We use a sample of migrants with a positive diagnosis for COVID-19 (N = 2126) registered in the public database published in the National Epidemiological Surveillance System of the Mexican Ministry of Health; the technique used was a Probit regression. RESULTS: The findings show that most of the comorbidities commonly associated with death from COVID-19 in the native-born population were actually not significant when present in migrants infected with COVID-19. Additionally, migrants have lower comorbidities than locals. The results further indicate that the factors related to the death of migrants infected with COVID-19 are: age, intubation, nationality group, pneumonia and the Health Care Management of Patients. CONCLUSIONS: In contrast to preceding studies with native-born populations with COVID-19, where pre-existing diseases aggravated the diagnosis of COVID-19 and sometimes led to death, in the case of migrants, only pneumonia was the significant comorbidity associated with mortality among migrants diagnosed with COVID-19.

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Enterohepatic Helicobacter (EHH) species have been increasingly associated with acute gastroenteritis, inflammatory bowel disease and hepatobiliary diseases in humans. However, their host range and transmission routes are poorly understood. Therefore, the aim of this study was to determine the presence of EHH in healthy dogs using both cultivation-dependent and -independent methods. Three hundred and ninety faecal samples from domestic dogs without gastrointestinal symptoms were analysed between June 2018 and July 2019 in Valdivia (South of Chile). Samples were inoculated on selective medium and in parallel were filtrated over an antibiotic-free blood agar. Both media were incubated in a microaerobic atmosphere at 37°C for 7 days. Colonies were identified by PCR and phylogenetic analysis. A subset of 50 samples (half of them positive for EHH by cultivation and the remaining half negative) was analysed by PCR-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) for direct detection. Cultivation method detected EHH in 15.4% (60/390) of the samples, being the most prevalent species H. canis (5.8%, 23/390) and H. canicola (5.1%, 20/390), followed by H. bilis (3.6%, 14/390) and 'H. winghamensis' (1.3%, 5/390). In contrast, PCR-DGGE method detected Helicobacter DNA in almost all (96%, 48/50) tested samples. On the other hand, the method used also allowed to isolate other Campylobacterales, in fact 44.3% (173/390) of the samples were positive for Campylobacter upsaliensis (43.3%, 169/390) followed by C. jejuni (2.0%, 8/390). Moreover, two strains that presented Campylobacter-like morphology were finally identified as Anaerobiospirillum succiniciproducens. Our results indicate that healthy domestic dogs commonly carry EHH and other Campylobacter species. However, further studies are needed to determine whether and how these Helicobacter and Campylobacter species can be transmitted to humans.

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BACKGROUND: Social capital is employed as an asset when there is a lack of an efficient health-care system. However, this relationship is not homogeneous and can differ according to the characteristics of individuals and their context. In this paper, we aim to analyze the role of social capital in the solution of healthcare problems among individuals with different levels of marginalization and unequal access to health services. METHODS: This qualitative study examines the role of social capital in the demand for healthcare among Mexican individuals with different levels of marginalization. The research draws data from semi-structured interviews (N = 247) that were collected in four Mexican states with different social welfare benefits: Mexico City, Tamaulipas, the State of Mexico, and Oaxaca. The interviewees were selected using the snowball method and other eligibility criteria such as education, age, and gender. RESULTS: Findings suggest that social capital is a relevant factor in solving healthcare problems, depending on the level of marginalization. The role of social capital can be explained by the precariousness of medical service delivery, the poor health infrastructure, and the difficult access to health care in Mexico. Networks are the main resource to deal with health related issues, food, medicine, and out-of-the-pocket medical expenses in contexts of high levels of marginalization. In the middle level of marginalization, networks also help in raising funds for more-specialized medical services and higher quality hospitals. In the least-marginalized levels, social capital is used as companionship for sick individuals, while support networks act as emotional relief. At this level, most individuals have private health insurance, and many of them have major medical healthcare coverage. CONCLUSIONS: Participants reported low levels of trust in the health care system because of the poor infrastructure and quality of medical service delivery. Although the main criticism is focused on public healthcare institutions, there is a lack of trust in private medical services as well. These facts are related to the access and quality of medical service delivery and turn social capital into a significant asset. Despite that social bonds or links are valuable resources that individuals can use to solve healthcare related issues, the use of social capital is not homogenous. Indeed, it can be influenced by several factors that were represented in this study through the municipal marginalization index.

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Kleine-Levin syndrome is an uncommon disorder with recurrent episodes of hypersomnia, and behavioral abnormalities such as binge-eating and hypersexuality. Our aims were to report cases of the Kleine-Levin syndrome diagnosed in Buenos Aires, Argentina and to characterize the clinical presentation of these patients. We evaluated patients with Kleine-Levin syndrome according to the International Classification of Sleep Disorders. Psychiatric, physical and neurological symptoms were present. Some patients were investigated with brain Magnetic Resonance Imaging, Single Photon Emission Computed Tomography, electroencephalogram and some with polysomnography. Seven patients (2 female, 5 male), ages from 8 to 47 years (median 20.7 years) were included in the study. The duration of symptoms was 1.5-20 days with a mean of 8. The range of interval between episodes: 2.5-24 months, median=13. All seven patients had a history of hypersomnia (one of them post head injury); 5 reported hyperphagia and 2 reduced appetite. Brain MRI was performed in 6 patients: 1 showed non-specific abnormalities and another presented diencephalic hematoma; the rest were normal. Our paper is the first one in Buenos Aires reporting Kleine-Levin syndrome of different ethiologies. The prevalence is difficult to estimate in our country.

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The effect of nitrogen (N) and phosphorus (P) fertilization on composition of rhizobacterial communities of volcanic soils (Andisols) from southern Chile at molecular level is poorly understood. This paper investigates the composition of rhizobacterial communities of two Andisols under pasture after 1- and 6-year applications of N (urea) and P (triple superphosphate). Soil samples were collected from two previously established sites and the composition of rhizobacterial communities was determined by denaturing gradient gel electrophoresis (PCR-DGGE). The difference in the composition and diversity between rhizobacterial communities was assessed by nonmetric multidimensional scaling (MDS) analysis and the Shannon-Wiener index. In Site 1 (fertilized for 1 year), PCR-DGGE targeting 16S rRNA genes and MDS analysis showed that moderate N application (270 kg N ha(-1) year(-1)) without P significantly changed the composition of rhizobacterial communities. However, no significant community changes were observed with P (240 kg P ha(-1) year(-1)) and N-P application (270 kg N ha(-1) year(-1) plus 240 kg P ha(-1) year(-1)). In Site 2 (fertilized for 6 years with P; 400 kg P ha(-1) year(-1)), PCR-DGGE targeting rpoB, nifH, amoA and alkaline phosphatase genes and MDS analysis showed changes in rhizobacterial communities only at the highest rate of N application (600 kg N ha(-1) year(-1)). Quantitative PCR targeting 16S rRNA genes also showed higher abundance of bacteria at higher N application. In samples from both sites, the Shannon-Wiener index did not show significant difference in the diversity of rhizobacterial communities. The changes observed in rhizobacterial communities coincide in N fertilized pastures with lower soil pH and higher pasture yields. This study indicates that N-P application affects the soil bacterial populations at molecular level and needs to be considered when developing fertilizer practices for Chilean pastoral Andisols.

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La Esclerosis Múltiple es una enfermedad inflamatoria desmielinizante del Sistema Nervioso Central, que se presenta con más frecuencia en mujeres, lo cual sugiere que las hormonas sexuales parecen modular la manifestación de la sintomatología. La actividad electroencefalografíca no ha sido evaluada en mujeres con Esclerosis Múltiple durante el procesamiento de Memoria de Trabajo y su estado hormonal. Los registros se realizaron en las fases folicular y lútea del ciclo menstrual de manera simultánea la tarea cognitiva y el electroencefalograma, además se correlacionaron con los niveles hormonales. La fase lútea mostró una ejecución mejor con un mayor número de categorías alcanzadas (p<0.004), un menor número de errores perseverativos (p<0.003) y un mayor número de ensayos para alcanzar una categoría (p<0.011), se asoció con un aumento de la actividad de Theta (p<0.018) y Alfa 2 (p<0.000). El 92 por ciento de la variabilidad en el número de ensayos de la tarea, fue explicada por la actividad de Theta y Alfa 2, Hormona Luteinizante y Estrona en la fase folicular, en la fase lútea el 90 por ciento de la variabilidad fue explicada por la actividad de Theta, Hormona Luteinizante, Progesterona y Estradiol. La Memoria de trabajo mejora en la fase lútea del ciclo menstrual, sugiriendo que la progesterona parece facilitar actividad de Theta.

Multiple Sclerosis is an inflammatory demyelinating CNS disease that occurs most often in women, suggesting that sex hormones appear to modulate the manifestation of symptoms. EEG activity has not been evaluated in women with MS during the processing of MT and hormonal status. The recordings were made in the follicular and luteal phases of the menstrual cycle a simultaneous cognitive task and EEG also were correlated with hormone levels. The luteal phase showed a better performance with a greater number of categories achieved (p <0.004), fewer perseverative errors (p <0.003) and greater number of trials to reach a category (p <0.011) was associated with increased theta activity (p <0.018) and Alpha 2 (p <0.000). 92 percent of the variability in the number of trials of the task was explained by the activity of Theta and Alpha 2, LH and estrone levels in the follicular phase, luteal phase, 90 percent of the variability was explained by the activity of theta, LH, progesterone and stradiol. The MT improvement in the luteal phase of the menstrual cycle, suggesting that progesterone seems to facilitate Theta activity.

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Zolpidem is a hypnotic drug used in sleep disorders. It binds selectively to alpha 1 subunit of the GABA A benzodiazepine receptor. Zolpidem reduces sleep latency, number of arousals and increases the total time of sleep. However, it is considered that it may increase phase 3 of non rapid eye movement sleep, where somnambulism can take place. Our aim is to report 8 cases of sleep related eating disorders associated with the use of this drug. We have evaluated the medical history of 8 patients who had received zolpidem for sleeping disorders and who have presented sleep related eating disorders. Eight patients (6 women, 2 men) aged between 32 to 72 years old, which received 10 mg of zolpidem/night except 1 that received 12.5 mg, were presented. They have referred strange eating behavior compatible to sleep related eating disorder. Symptoms appeared at a mean of 39.8 days after starting the medication. The numbers of nocturnal episodes recorded by the family or by the patient were 1 to 8 episodes of nocturnal eating per night. The morning after, patients found leftovers from the night before which they did not recall to have eaten. The remission was complete after discontinuing zolpidem. Zolpidem may induce sleep related eating disorder in about 1% of patients, although we consider there may be a subdiagnosis of this phenomenon. It will be important to bear in mind and look for this side effect because all the episodes could easily be controlled by withdrawing the drug.

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El zolpidem es una droga hipnótica utilizada para el tratamiento del insomnio. Disminuye la latencia del sueño, el número total de despertares y aumenta el tiempo total del sueño respetando en general su arquitectura. Se cree que aumenta la fase 3 del sueño lento profundo. Nuestro objetivo es comunicar 8 casos de síndrome de ingesta nocturna relacionado al sueño y conductas automáticas complejas asociadas a sonambulismo como efecto colateral del zolpidem. Se analizaron las historias clínicas de 8 pacientes tratados con zolpidem que referían ingesta nocturna de alimentos con amnesia total o parcial del episodio. Se presentan 6 mujeres y 2 hombres, entre 32 y 72 años (media: 58 años), 7 tratados con zolpidem 10 mg/noche y 1 con zolpidem 12.5 mg/noche de liberación prolongada. El tiempo de exposición previo al desarrollo de eventos fue de 1 a 180 días (media de 39.8). El número de episodios relatados era de 1 a 8/noche (media 2.5) asociado con amnesia. Los episodios desaparecieron por completo en el 100% de los casos al suspender la medicación. El síndrome de ingesta nocturna relacionado al sueño es una parasomnia de sueño lento profundo que consiste en episodios de ingesta de alimento o bebida durante la noche, con amnesia parcial o completa del episodio. El zolpidem podría inducir el síndrome de ingesta nocturna relacionado al sueño en aproximadamente el 1% de pacientes, aunque creemos que es un efecto adverso que está subdiagnosticado. Se resuelve simplemente suspendiendo la medicación.

Zolpidem is a hypnotic drug used in sleep disorders. It binds selectively to alpha 1 subunit of the GABA A benzodiazepine receptor. Zolpidem reduces sleep latency, number of arousals and increases the total time of sleep. However, it is considered that it may increase phase 3 of non rapid eye movement sleep, where somnambulism can take place. Our aim is to report 8 cases of sleep related eating disorders associated with the use of this drug. We have evaluated the medical history of 8 patients who had received zolpidem for sleeping disorders and who have presented sleep related eating disorders. Eight patients (6 women, 2 men) aged between 32 to 72 years old, which received 10 mg of zolpidem/night except 1 that received 12.5 mg, were presented. They have referred strange eating behavior compatible to sleep related eating disorder. Symptoms appeared at a mean of 39.8 days after starting the medication. The numbers of nocturnal episodes recorded by the family or by the patient were 1 to 8 episodes of nocturnal eating per night. The morning after, patients found leftovers from the night before which they did not recall to have eaten. The remission was complete after discontinuing zolpidem. Zolpidem may induce sleep related eating disorder in about 1% of patients, although we consider there may be a subdiagnosis of this phenomenon. It will be important to bear in mind and look for this side effect because all the episodes could easily be controlled by withdrawing the drug.

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