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Although women with schizophrenia face significant lifelong challenges due to their diagnosis and sex-related issues, those challenges are seldom taken into consideration in their medical treatment and general care. In order to report the needs and desires of a group of women with schizophrenia, we conducted a series of semistructured interviews with nine women diagnosed with schizophrenia and attending outpatient clinics at the Hospital Del Salvador in Valparaíso. Our qualitative study followed a phenomenological design. Using ATLAS.ti software, we performed a content analysis of the interview transcripts, developed a coding frame for each major topic addressed in the interviews, and triangulated the results. Despite presenting with psychotic symptoms, some women received different diagnoses. Although acknowledging the benefits of medication, women also reported concerns about weight gain and body image. All women reported experiences with stigma and self-stigma related to the diagnosis of schizophrenia, and most had experienced childhood trauma, including sexual abuse, parental violence, and/or bullying. Young women with schizophrenia also feared that if they become mothers, then their children might also have schizophrenia and/or that they would be unable to adequately care for them. Women with schizophrenia have different experiences and play different roles in society beyond their psychoses, an understanding that should integrated into more personalized treatments for schizophrenia that consider individual characteristics and needs.

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Streptococcus pneumoniae is a bacterium of great global importance, responsible for more than one million deaths per year. This bacterium is commonly acquired in the first years of life and colonizes the upper respiratory tract asymptomatically by forming biofilms that persist for extended times in the nasopharynx. However, under conditions that alter the bacterial environment, such as viral infections, pneumococci can escape from the biofilm and invade other niches, causing local and systemic disease of varying severity. The polyamine transporter PotABCD is required for optimal survival of the organism in the host. Immunization of mice with recombinant PotD can reduce subsequent bacterial colonization. PotD has also been suggested to be involved in pneumococcal biofilm development. Therefore, in this study we aimed to elucidate the role of PotABCD and polyamines in pneumococcal biofilm formation. First, the formation of biofilms was evaluated in the presence of exogenous polyamines-the substrate transported by PotABCD-added to culture medium. Next, a potABCD-negative strain was used to determine biofilm formation in different model systems using diverse levels of complexity from abiotic surface to cell substrate to in vivo animal models and was compared with its wild-type strain. The results showed that adding more polyamines to the medium stimulated biofilm formation, suggesting a direct correlation between polyamines and biofilm formation. Also, deletion of potABCD operon impaired biofilm formation in all models tested. Interestingly, more differences between wild-type and mutant strains were observed in the more complex model, which emphasizes the significance of employing more physiological models in studying biofilm formation.

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INTRODUCTION: Diabetes mellitus is one of the most common diseases worldwide, with a high morbidity and mortality rate. Its prevalence has been increasing, as well as its acute complications, such as hyperglycemic crises. Hyperglycemic crises can present with combined features of diabetic ketoacidosis and hyperosmolar state. However, their implications are not fully understood. OBJECTIVE: To describe the characteristics, outcomes, and complications of the diabetic population with hyperglycemic crises and to value the combined state in the Latin American population. MATERIALS AND METHODS: Retrospective observational study of all hyperglycemic crises treated in the intensive care unit of the Fundación Valle del Lili between January 1, 2015, and December 31, 2020. Descriptive analysis and prevalence ratio estimation for deaths were performed using the robust Poisson regression method. RESULTS: There were 317 patients with confirmed hyperglycemic crises, 43 (13.56%) with diabetic ketoacidosis, 9 (2.83%) in hyperosmolar state, and 265 (83.59%) with combined diabetic ketoacidosis and hyperosmolar state. Infection was the most frequent triggering cause (52.52%). Fatalities due to ketoacidosis occurred in four patients (9.30%) and combined diabetic ketoacidosis/hyperosmolar state in 22 patients (8.30%); no patient had a hyperosmolar state. Mechanical ventilation was associated with death occurrence (adjusted PR = 1.15; 95 % CI 95 = 1.06 - 1.24). CONCLUSIONS: The combined state was the most prevalent presentation of the hyperglycemic crisis, with a mortality rate similar to diabetic ketoacidosis. Invasive mechanical ventilation was associated with a higher occurrence of death.

Introducción. La diabetes mellitus es una de las enfermedades más frecuentes en todo el mundo, con una tasa elevada de morbimortalidad. Su prevalencia ha ido en aumento y, también, sus complicaciones agudas, como las crisis hiperglucémicas. Las crisis hiperglucémicas pueden presentar características combinadas de cetoacidosis diabética y estado hiperosmolar. Aún no se conocen completamente sus implicaciones. Objetivo. Describir las características, los resultados y las complicaciones de la población diabética con crisis hiperglucémicas, y valorar el estado mixto en la población latinoamericana. Materiales y métodos. Se trata de un estudio observacional retrospectivo de pacientes con crisis hiperglucémicas atendidos en la unidad de cuidados intensivos de la Fundación Valle del Lili, entre el 1º de enero de 2015 y el 31 de diciembre de 2020. Se realizó un análisis descriptivo y se estimó la razón de prevalencia para muerte mediante el método de regresión de Poisson. Resultados. Se incluyeron 317 pacientes con crisis hiperglucémica confirmada, 43 (13,56 %) con cetoacidosis diabética, 9 (2,83 %) en estado hiperosmolar y 265 (83,59 %) en estado mixto. La causa desencadenante más frecuente fue la infección (52,52 %). Cuatro pacientes fallecieron por cetoacidosis (9,30 %), 22 (8,30 %), por un estado mixto; ninguno se encontraba en estado hiperosmolar. La asistencia respiratoria mecánica se asoció con la muerte (razón de prevalencia ajustada = 1,15; IC95%: 1,06-1,24). Conclusiones. El estado combinado fue la presentación más prevalente de la crisis hiperglucémica, con una tasa de mortalidad similar a la de la cetoacidosis diabética, y la asistencia respiratoria mecánica invasiva se asoció con una mayor ocurrencia de muerte.

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The alarming increase in antimicrobial resistance in the last decades has prompted the search for alternatives to control infectious diseases. Antimicrobial peptides (AMPs) represent a heterogeneous class of molecules with ample antibacterial, antiviral, and antifungal effects. They can be found in many organisms, including all classes of vertebrates, providing a valuable source of new antimicrobial agents. The unique properties of AMPs make it harder for microbes develop resistance, while their immunomodulatory properties and target diversity reinforce their translational use in multiple diseases, from autoimmune disorders to different types of cancer. The latest years have witnessed a vast number of studies evaluating the use of AMPs in therapy, with many progressing to clinical trials. The present review explores the recent developments in the medicinal properties of cathelicidins, a vast family of AMPs with potent antimicrobial and immunomodulatory effects. Cathelicidins from several organisms have been tested in disease models of viral and bacterial infections, inflammatory diseases, and tumors, with encouraging results. Combining nanomaterials with active, natural antimicrobial peptides, including LL-37 and synthetic analogs like ceragenins, leads to the creation of innovative nanoagents with significant clinical promise. However, there are still important limitations, such as the toxicity of many cathelicidins to healthy host cells and low stability in vivo. The recent advances in nanomaterials and synthetic biology may help overcome the current limitations, enabling the use of cathelicidins in future therapeutics. Furthermore, a better understanding of the mechanisms of cathelicidin action in vivo and their synergy with other host molecules will contribute to the development of safer, highly effective therapies.

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This study analyzed a total of 260 confirmed scorpion stings reported in the city of Manaus, in the Brazilian Amazon, from 1990 to 2020. Cases were mapped according to the GPS location of their occurrence and plotted on a satellite image of the city. The stings generally occurred close to green areas, and the hotspots of stings moved north as city grew into that direction over time. Spatial analysis shows that scorpion stings mostly occur in poor, recently urbanized areas. The rapid and unplanned urbanization of originally forested areas, without offering adequate infrastructure and services, creates favorable conditions for infestation by scorpions and increases the risk of scorpion stings.

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This study aims to describe the main tools for integrative geriatric assessment and their use in Ecuador. We performed a narrative review with a comprehensive and systematic literature search. 261 original articles were obtained from the primary search, and after the discrimination by the researchers, 76 articles were included in the final analysis. Integrative geriatric assessments cover different areas, including cognitive function, affective function, nutritional status and functionality, and seve-ral tools that are used worldwide for this purpose. In Ecuador, a deeper analysis of their use is required to evaluate their diagnostic efficacy and applicability to impro-ve health outcomes for the elderly population.

Este estudio tiene como objetivo describir las principales herramientas de evalua-ción integral geriátrica y su uso en el Ecuador. Realizamos una revisión narrativa con una búsqueda bibliográfica exhaustiva y sistemática. De la búsqueda primaria se obtuvieron 261 artículos originales, y luego de la discriminación por parte de los investigadores, se incluyeron 76 artículos en el análisis final. La evaluación ge-riátrica cubre diferentes áreas, incluida la función cognitiva, la función afectiva, el estado nutricional y la funcionalidad, y se utilizan varias herramientas en todo el mundo para este propósito. En Ecuador se requiere un análisis más profundo de su uso para evaluar su eficacia diagnóstica y aplicabilidad con el fin de mejorar los resultados de salud de la población adulta mayor.

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Background: Acute lymphoblastic leukemia represents 20% of acute leukemias in adults. Currently, there is limited data in Chile regarding the clinical, cytogenetic, and prognostic characteristics of this condition. Methods: This is a retrospective, observational, and descriptive study of 67 patients treated for acute lymphoblastic leukemia at the Arturo Lopez Perez Foundation between 2018 and 2021. The main objective is to evaluate epidemiological and clinical characteristics, as well as identifying factors associated with improved overall survival and/or progression-free survival. Results: 88% of the cases were B-lineage, mainly the common B phenotype. Cytogenetic analysis was performed in less than 50% of the patients, with lower yield than expected according to the literature. Molecular testing was performed in 86.5% of the patients, with the most frequent alteration being BCR-ABL. No study was performed to search for Ph-like abnormalities. The rate of complete response after induction was 83.3%, the majority of patients having negative minimal residual disease. Only 12% of the patients received consolidation with allogenic bone marrow transplant. At 2 years, the overall survival was 69% and the progression-free survival was 59%. Conclusion: The results in terms of overall survival and progression-free survival are similar to those reported in the literature. Important diagnostic gaps prevent adequate prognostic characterization. Allogeneic consolidation transplantation was performed in a lower percentage than expected, highlighting the national deficit in access to this treatment.

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Since bull fertility prediction remains challenging, the identification of potential fertility markers is important considering the economic benefits to the livestock industry. The main goal of this study was to determine the Na/K-ATPase activity and expression in thawed sperm of high (HF)- and low-fertility (LF) Angus bulls. Samples from three different batches/bulls with HF (n = 4) and LF (n = 4) were used. The Na/K-ATPase activity was determined after thawing, whereas sperm kinematics, membrane integrity, and expression of Na/K-ATPase on sperm surface were evaluated immediately post-thaw and after 120 minutes of incubation. Within the same incubation time, there was no difference on sperm membrane integrity, kinematics, and the expression of Na/K-ATPase on the sperm surface between HF and LF bulls. Kinematic parameters of LIN and VCL were not influenced by incubation time in samples from HF and LF, respectively. A tendency (P = 0.06) of higher Na/K-ATPase enzymatic activity for sperm of HF bulls compared to LF bulls was observed (0.49 ± 0.07 and 0.32 ± 0.06, respectively). In conclusion, Na/K-ATPase activity and expression in thawed sperm from Angus bulls are not related to the fertility index after fixed-time artificial insemination. However, sperm kinematics related to hyperactivation might indicate higher sperm cryotolerance for HF bulls.

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Despite the implementation of conjugate vaccines in several countries, S. pneumoniae continues to pose a great burden worldwide, causing around 1 million annual deaths. Pneumococcal proteins have long been investigated as serotype-independent vaccines against this pathogen, with promising results. However, it is a consensus that one antigen alone will not be sufficient to provide long-term protection with wide coverage. Amongst the most well studied pneumococcal proteins are PspA and pneumolysin (Ply), two major virulence factors required by the bacterium for successful invasion of host tissues. PspA is highly immunogenic and protective, but it is structurally variable; pneumolysin is conserved among different pneumococci, but it is toxic to the host. To overcome these limitations, N-terminal PspA fragments have been genetically fused to non-toxic pneumolysin derivatives (PlD) to create PspA_PlD chimeras. Mouse immunization with these fusions confers protection against pneumococcal strains expressing heterologous PspAs, which correlates with antibody-induced complement C3 deposition on the surface of multiple pneumococcal strains. Analysis of mutant strains lacking PspA or Pneumolysin shows that both proteins contribute to the antibody-mediated enhancement in complement deposition induced by the fusion. These results expand previous data evaluating PspA_PlD and demonstrate that the fusion combines the protective traits of both proteins, inducing antibodies that efficiently promote complement deposition on multiple strains and cross-protection.

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Objectives: This study aims to provide a comprehensive analysis of clinical and epidemiological data related to Chronic Chagas Cardiomyopathy (CCC) in the Amazon region of Brazil. Methods: A review of observational, retrospective, and cross-sectional studies related to Chagas Disease in the Amazon region of Brazil was conducted, and a case series addressing CCC in patients treated at the FMT-HVD outpatient clinic, a reference center for Chagas disease in Brazil, was carried out. Results: Clinical characteristics of 55 patients from the Amazon region with CCC were described. The most common electrocardiographic alteration observed was abnormal ventricular repolarization (AVR), present in 40% of cases. The most common echocardiographic finding was left ventricular systolic dysfunction (49%), followed by akinesia or hypokinesia of the inferior and/or inferolateral walls (38.1%) and the presence of an apical aneurysm (32.7%). Conclusions: Overall, this study demonstrates that CCC in the Amazon region presents clinical characteristics and severity that are similar to those observed in other regions. However, certain peculiarities, such as the frequency of right bundle branch block (RBBB) and anterior and septal involvement during the acute phase, require additional investigation to better comprehend the disease in the region. Overall, the study provides crucial clinical insights for the diagnosis and treatment of CCC in the Amazon region.

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S100B, a homodimeric Ca2+-binding protein, is produced and secreted by astrocytes, and its extracellular levels have been used as a glial marker in brain damage and neurodegenerative and psychiatric diseases; however, its mechanism of secretion is elusive. We used primary astrocyte cultures and calcium measurements from real-time fluorescence microscopy to investigate the role of intracellular calcium in S100B secretion. In addition, the dimethyl sulfoxide (DMSO) effect on S100B was investigated in vitro and in vivo using Wistar rats. We found that DMSO, a widely used vehicle in biological assays, is a powerful S100B secretagogue, which caused a biphasic response of Ca2+ mobilization. Our data show that astroglial S100B secretion is triggered by the increase in intracellular Ca2+ and indicate that this increase is due to Ca2+ mobilization from the endoplasmic reticulum. Also, blocking plasma membrane Ca2+ channels involved in the Ca2+ replenishment of internal stores decreased S100B secretion. The DMSO-induced S100B secretion was confirmed in vivo and in ex vivo hippocampal slices. Our data support a nonclassic vesicular export of S100B modulated by Ca2+, and the results might contribute to understanding the mechanism underlying the astroglial release of S100B.

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Hypertension is an important risk factor for cardiovascular disease. The prevalence of hypertension in children has risen in last years, secondary to the increase in overweight and obesity in pediatric population, among other factors. An adequate diagnosis and opportune treatment can prevent the development of organ damage. The American Academy of Pediatrics recommends the performance of Ambulatory Blood Pressure Monitorization in children with risk factors or suspected hypertension, in order to confirm the diagnosis and guide treatment. New recommendations recently published simplifies the interpretation; blood pressure load is no longer included in the diagnosis, so only 4 categories remain: Normotension, White Coat Hypertension, Masked Hypertension and Ambulatory Hypertension. They also propose single cut-off values for patients ≥ 13 years, similar to those recommended for adults in 2017 American Heart Association guidelines. Both changes increase sensibility in organ damage diagnosis. This article presents an actualization in pediatric Chilean Ambulatory Blood Pressure Monitorization guidelines in order to unify criteria and attain nationwide broadcast. It also reviews the ambulatory categories of blood pressure and describes target organ damage in children, including recommendations for the correct use of the exam and proposes a report form.

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OBJECTIVE: To determine whether a combination of a single intramuscular (IM) dose of pentamidine (7 mg/kg) followed by oral tamoxifen 40 mg/day for 20 days is non-inferior to three IM doses of pentamidine 7 mg/kg in the treatment of cutaneous leishmaniasis with a margin of 15%. METHODS: Phase II, randomised, controlled, open-label, non-inferiority clinical trial. Primary outcome was the complete healing of the lesions 6 months after starting treatment. Secondary outcomes were healing 3 months after starting treatment and determining the presence and severity of adverse effects (AE). RESULTS: The research was concluded with 49 patients; Leishmania (Viannia) guyanensis was the most frequent species isolated. In the primary outcome, 18 (72%) (95% CI: 52.4%-85.7%) of the 25 patients allocated to the intervention group and 24 (100%) (95% CI: 86.2%-100%) of the control group (p = 0.015) met the established criteria of cure. There was no AE with tamoxifen. CONCLUSION: Although a 72% cure rate presented by the combination of tamoxifen and pentamidine was lower than in the control group that achieved a 100% cure, it is still a safe and is a clinically relevant result. It indicates that the therapeutic scheme evaluated may be a promising option for populations in remote areas, however it should be further studied, in order to include a larger number of patients.

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Type I Bipolar disorder (BD-I) is a neuropsychiatric disorder characterized by manic or mixed-featured episodes, impaired cognitive functioning, and persistent work and social functioning impairment. This study aimed to investigate within-subject; (i) differences in brain perfusion using Single-photon emission computed tomography (SPECT) between manic and euthymic states in BD-I patients; (ii) explore potential associations between altered brain perfusion and cognitive status; and (iii) examine the relationship between cerebral perfusion and mania symptom ratings. Seventeen adult patients diagnosed with BD-I in a manic episode were recruited, and clinical assessments, cognitive tests, and brain perfusion studies were conducted at baseline (mania state) and a follow-up visit 6 months later. The results showed cognitive impairment during the manic episode, which persisted during the euthymic state at follow-up. However, no significant changes in brain perfusion were observed between the manic and euthymic states. During mania, trends toward decreased perfusion in the left cerebellum and right superior parietal lobule were noted. Additionally, trends indicated a higher perfusion imbalance in the left superior and middle frontal gyrus during mania and the right superior and middle frontal gyrus during euthymia. No significant correlations existed between brain perfusion, mania symptom ratings, and cognitive performance, indicating that symptomatology might represent more than neural hemodynamics. These findings suggest that cognitive impairment may persist in BD-I patients and highlight the need for therapeutic interventions targeting cognitive deficits. More extensive studies with extended follow-up periods are warranted further to investigate brain perfusion and cognitive functioning in BD-I patients.

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Introduction. Brazil was one of the most affected countries by the COVID-19 pandemic. Instituto Adolfo Lutz (IAL) is the reference laboratory for COVID-19 in São Paulo, the most populous state in Brazil. In April 2020, a secondary diagnostic pole named IAL-2 was created to enhance IAL's capacity for COVID-19 diagnosis.Hypothesis/Gap Statement. Public health laboratories must be prepared to rapidly respond to emerging epidemics or pandemics.Aim. To describe the design of IAL-2 and correlate the results of RT-qPCR tests for COVID-19 with secondary data on suspected cases of SARS-CoV-2 infection in the São Paulo state.Methodology. This is a retrospective study based on the analysis of secondary data from patients suspected of infection by SARS-CoV-2 whose clinical samples were submitted to real-time PCR after reverse transcription (RT-qPCR) at IAL-2, between 1 April 2020 and 8 March 2022. RT-qPCR Ct results of the different kits used were also analysed.Results. IAL-2 was implemented in April 2020, just over a month after the detection of the first COVID-19 case in Brazil. The laboratory performed 304,250 RT-qPCR tests during the study period, of which 98 319 (32.3 %) were positive, 205827 (67.7 %) negative, and 104 (0.03 %) inconclusive for SARS-CoV-2. RT-qPCR Ct values≤30 for E/N genes of SARS-CoV-2 were presented by 79.7 % of all the samples included in the study.Conclusion. IAL was able to rapidly implement a new laboratory structure to support the processing of an enormous number of samples for diagnosis of COVID-19, outlining strategies to carry out work with quality, using different RT-qPCR protocols.

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The search for new drugs with the potential to ensure therapeutic success in the treatment of cardiovascular diseases has become an essential pathway to follow for health organizations and committees around the world. In June 2021, the World Health Organization listed cardiovascular diseases as one of the main causes of death worldwide, representing 32% of them. The most common is coronary artery disease, which causes the death of cardiomyocytes, the cells responsible for cardiac contractility, through ischemia and subsequent reperfusion, which leads to heart failure in the medium and short term. Metformin is one of the most-used drugs for the control of diabetes, which has shown effects beyond the control of hyperglycemia. Some of these effects are mediated by the regulation of cellular energy metabolism, inhibiting apoptosis, reduction of cell death through regulation of autophagy and reduction of mitochondrial dysfunction with further reduction of oxidative stress. This suggests that metformin may attenuate left ventricular dysfunction induced by myocardial ischemia; preclinical and clinical trials have shown promising results, particularly in the setting of acute myocardial infarction. This is a review of the molecular and pharmacological mechanisms of the cardioprotective effects of metformin during myocardial ischemia-reperfusion injury.

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Introducción: El índice de irresecabilidad valora la presencia de cuatro variables (masa abdominal palpable, tumor en fondo de saco de Douglas, presencia de líquido ascítico, valor preoperatorio de Ca 125 mayor a 1000 U/ml); previo a la realización de una cirugía citorreductora primaria en pacientes con cáncer de ovario. El objetivo del presente estudio fue realizar una prueba diagnóstica del índice de irresecabilidad con la decisión de realizar citorreducción óptima en pacientes con cáncer de ovario que fueron operadas en un hospital público de referencia nacional en Ecuador en 3 años de estudio. Metodología: En el presente estudio de pruebas diagnósticas, se estudiaron mujeres operadas con cáncer de ovario, en el Hospital de Especialidades Eugenio Espejo (Ecuador) de septiembre del 2016 a septiembre del 2018. Se incluyeron pacientes con citorreducción óptima y subóptima. Se presenta un análisis descriptivo con frecuencias, porcentajes y promedios. Se evaluó la sensibilidad, especificidad, valor predictivo negativo (VPN) y valor predictivo positivo (VPP) del índice de irresecabilidad comparado con la citorreducción. Resultados: Fueron 148 casos analizados. La especificidad del índice fue de 81 %, con un valor predictivo (VP) positivo del 77 % y VP negativo de 68 %. La sensibilidad de la ascitis 85 % y la masa abdominal palpable del 79 %. En las pacientes que presentaron valores de antígeno CA-125 menor a 1000 U/ml, el riesgo de obtener una citorreducción óptima fue OR: 0.15 (IC95% 0.069 ­ 0.307; P: 0.0001); las pacientes que presentaron valores del índice de irresecabilidad entre 1 y 2 puntos versus 3 y 4 fue de OR: 7.04 (IC95% 3.33 -14.87, P: 0.0001). Conclusiones: El Índice de irresecabilidad presentó una capacidad estadísticamente significativa para predecir citorreducción óptima en las pacientes con cáncer ovario operadas en el Hospital de Especialidades Eugenio Espejo.

Introduction: The unresectability index assesses the presence of four variables (palpable abdominal mass, tumor in the fornix of Douglas, presence of ascitic fluid, preoperative Ca 125 value greater than 1000 U/ml); before performing primary cytoreductive surgery in patients with ovarian cancer. The objective of this study was to carry out a diagnostic test of the unresectability index with the decision to perform optimal cytoreduction in patients with ovarian cancer who underwent surgery in a public hospital of national reference in Ecuador in 3 years of study. Methodology: In the present study of diagnostic tests, women operated on for ovarian cancer were studied at the Eugenio Espejo Specialties Hospital (Ecuador) from September 2016 to September 2018. Patients with optimal and suboptimal cytoreduction were included. A descriptive analysis with frequencies, percentages, and averages is presented. The sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV) of the unresectable index compared with cytoreduction were evaluated. Results: 148 cases were analyzed. The specificity of the index was 81%, with a positive predictive value (PV) of 77% and a negative PV of 68%. The sensitivity of ascites is 85%, and the palpable abdominal mass of 79%. In patients who presented CA-125 antigen values less than 1000 U/ml, the risk of obtaining optimal cytoreduction was OR: 0.15 (95% CI 0.069 - 0.307; P: 0.0001); The patients who presented unresectability index values between 1 and 2 points versus 3 and 4 were OR: 7.04 (95% CI 3.33 -14.87, P: 0.0001). Conclusions: The unresectability index presented a statistically significant capacity to predict optimal cytoreduction in patients with ovarian cancer operated on at the Eugenio Espejo Specialties Hospital.

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La formación de estudiantes para la prevención de las alteraciones del comportamiento en los niños de la primera infancia, es imprescindible porque contribuye a elevar la calidad de la atención educativa de salud y educación en ambas modalidades de atención educativa de la primera infancia. El artículo que se presenta tiene como objetivo exponer acciones dirigidas a los estudiantes en formación que los prepara para la orientación de las familias, en función de la prevención de las alteraciones del comportamientoen niños de infancia preescolar. Las acciones se aplicaron durante el periodo del 2019 al 2022 como parte de la preparación para la práctica laboral, lo que posibilitó que se elevara la calidad de la orientación familiar en función de la prevención de las alteraciones del comportamiento en los niños de infancia preescolar, en ambas modalidades de atención educativa.

The training of students for the prevention of behavioral disorders in early childhood children is essential because it contributes to raising the quality of educational health care and education in both modalities of early childhood educational care. The article that is presented aims to expose actions aimed at students in training that prepare them for the orientation of families, based on the prevention of behavioral disorders in preschool children. The actions were applied during the period from 2019 to 2022 as part of the preparation for labor practice, which made it possible to raise the quality of family guidance based on the prevention of behavioral disorders in preschool children, in both modalities of educational attention.