Abstract Background: During breastfeeding, the maternal diet ensures mothers and infants health. Therefore, it is necessary to update information about the diet of exclusively or partially breastfeeding women in each population. We evaluated the diet of Sonoran breastfeeding women, identified their dietary patterns, and examined their association with the breastfeeding regime. Methods: In this cross-sectional study, 62 women breastfeeding exclusively (n = 43) or partially (n = 19) participated. The diet was assessed using a food frequency questionnaire, and patterns were identified through principal component analysis. Results: Overall, fats and sodium intake were higher, while potassium intake was lower than recommended. Two dietary patterns were identified: "regional" (n = 36) and "prudent" (n = 26). Women following the "prudent" pattern consumed more protein, calcium, and potassium than those following the "regional" pattern (p < 0.05). The probability of exclusively breastfeeding women having a "prudent" dietary pattern was higher than that of partially breastfeeding women (adjusted odds ratios = 7.29, p = 0.019). Conclusions: Exclusive breastfeeding possibly motivated mothers to follow a more prudent diet than those who partially breastfed. Therefore, it is crucial to promote a healthy diet among breastfeeding mothers.

Resumen Introducción: Durante el amamantamiento, la dieta garantiza la salud materno-infantil. Por esto, es necesario contar con información actualizada sobre la dieta de quienes amamantan exclusiva o parcialmente en cada población. El objetivo de este trabajo fue evaluar la dieta de mujeres sonorenses amamantando, identificar sus patrones dietarios y buscar su asociación con el régimen de lactancia. Métodos: En este estudio transversal participaron 62 mujeres amamantando de forma exclusiva (n = 43) o parcialmente (n = 19). Se evaluó la dieta con un cuestionario de frecuencia de consumo de alimentos y los patrones se identificaron a través del análisis de componentes principales. Resultados: En general, la ingestión de grasas y sodio fue superior y la de potasio inferior a las cantidades recomendadas. Se identificaron dos patrones dietarios: "regional" (n = 36) y "prudente" (n = 26). Las mujeres con patrón "prudente" ingirieron más proteína, calcio y potasio que las del patrón "regional" (p < 0.05). La probabilidad de que las mujeres que amamantaban en exclusiva siguieran un patrón dietario "prudente" fue mayor que la de aquellas que amamantaban parcialmente (razón de momios ajustada (AOR) = 7.29, p = 0.019). Conclusiones: La lactancia exclusiva posiblemente motivó a las madres a seguir una dieta más prudente que la de aquellas que amamantaban parcialmente. Es necesario promover una dieta saludable entre las madres amamantando.

Abstract Chronic limb-threatening ischemia (CLTI) is the leading cause of non-traumatic major amputations and associated 5-year mortality. Although it is a known entity, forming part of the spectrum of manifestations of peripheral arterial disease, it is necessary that this disease be detected early from the first level of medical care in order to reduce the incidence of related complications. This review aims to provide an updated summary on the subject of CLTI, its complexity, which covers its epidemiology, the evaluation of cardiovascular risk factors, diagnosis and treatment together with prognostic stratification, and finally, possible strategies in its therapy.

Resumen La isquemia crónica que amenaza la extremidad (ICAE) es la principal causa de amputaciones mayores no traumáticas y mortalidad asociada a cinco años. Si bien es una entidad conocida, formando parte del espectro de manifestaciones de la enfermedad arterial periférica, es necesario que esta enfermedad sea detectada precozmente desde el primer nivel de atención médica con el fin de disminuir la incidencia de las complicaciones relacionadas. Esta revisión tiene como objetivo proporcionar un resumen actualizado sobre el tema de la ICAE, de su complejidad, que abarca su epidemiología, la evaluación de factores de riesgo cardiovascular, el diagnóstico y tratamiento junto con la estratificación pronóstica y, finalmente, posibles estrategias en su terapéutica.

Resumen Objetivo. Comparar la evolución de los pacientes hospitalizados infectados por SARS-CoV-2 que recibieron tratamiento a base de corticoesteroides frente a los pacientes que recibieron la terapia estándar. Método. Estudio de tipo retrospectivo, observacional y analítico. Se recolectaron los expedientes clínicos de las diferentes unidades de terapia intensiva y se obtuvieron datos de los pacientes confirmados de COVID-19, mayores de 18 años, que estuvieron hospitalizados. Se dividió la población en dos grupos: pacientes que recibieron tratamiento con corticoesteroides y pacientes que recibieron terapia estándar. Resultados. De un total de 1603 pacientes ingresados a hospitalización, 984 (62.9%) fallecieron. El resultado principal fue la identificación mediante razón de momios (odds ratio [OR]: 4.68; intervalo de confianza del 95% [IC95%]: 3.75-5.83; p = 0.001) como riesgo para defunción con uso de esteroides sistémicos, así como con uso de ventilación mecánica invasiva (OR: 2.26; IC95%: 1.80-2.82; p < 0.001). El sexo masculino fue el más afectado, con 1051 (65.6%) pacientes. La media de edad fue de 56 años (± 14). Conclusiones. El uso de corticoesteroides se asoció con mal pronóstico en los pacientes hospitalizados por COVID-19, en comparación con los que recibieron la terapia estándar.

Abstract Objective. To compare the evolution of hospitalized patients infected with SARS-CoV-2 who received corticosteroid-based treatment versus patients who received standard therapy. Method. Retrospective, observational, and analytical study. Clinical records were collected from the different intensive care units, and data were obtained from confirmed COVID-19 patients over 18 years of age who were hospitalized. The population was divided into two groups: patients who received corticosteroid treatment, and those who received standard therapy. Results. A total of 1603 patients were admitted to hospital, and of these 984 (62.9%) were discharged due to death. The main result was the identification by odds ratio (OR: 4.68; 95% confidence interval [95% CI]: 3.75-5.83; p = 0.001) as risk for death to the use of systemic steroids, as well as the use of invasive mechanical ventilation (OR: 2.26; 95% CI: 1.80-2.82; p < 0.001). The male gender was the most affected with 1051 (65.6%) patients. Mean age was 56 years (± 14). Conclusions. Corticosteroid use was associated with poor prognosis in patients hospitalized for COVID-19 compared to those receiving standard therapy.

ABSTRACT Environmental temperature can act as a positive or negative modulator of the physiology and metabolism of poikilothermic organisms. As a general rule, larvae and juveniles are more sensitive to temperature stress than adults, which represents a key factor that partly determines their development and growth in aquaculture. Therefore, this study analyzed the effect of exposure to temperatures of 21, 24, and 27°C on the respiratory metabolism (RM) of Totoaba macdonaldi in different developmental stages. For this purpose, eggs, larvae with 4, 6, 8, 14, and 22 days post-hatch (dph), and juveniles of 25 dph were exposed to the experimental temperatures for 5 h. After the exposure time, oxygen consumption measurements were performed. The results clearly show that temperature (21 to 27°C) has the greatest effect on RM in eggs and larvae at 4 and 22 dph (3.1 ± 0.3 to 4.3 ± 0.3 µmol O2 h−1 egg−1, 2.9 ± 0.3 to 10.5 ± 1.2 µmol O2 h−1 larvae−1 and 102.0 ± 6.4 to 189.8 ± 15.3 µmol O2 h−1 larvae−1, respectively). This thermal sensitivity was not observed from 6, 8, and 14 dph larvae and juveniles at 25 dph, where morphological development was the main factor that influencing the RM. Therefore, this study shows that temperature affects RM in different development stages of totoaba, beginning in the egg stage and intensifying once the larvae hatch until 22 dph. Understanding how temperature affects energy expenditure by measuring RM is essential to establish culture conditions that allow better physiological performance and growth in the early life stages of T. macdonaldi.

Abstract On World Heart Day 2022, the Mexican Society of Cardiology, the Inter-American Society of Cardiology, and the World Heart Federation collaborated on a communication regarding the increased risk of adverse cardiovascular health outcomes in transgender and gender-diverse (TGD) individuals. This document, called the Tijuana Declaration, urged the global cardiovascular community to work toward understanding and mitigating this problem. This article aims to unpack the numerous factors that lead to it. An example is the social stigma faced by members of the TGD community, which leads to increased stress and risk for cardiovascular complications. TGD patients are also more likely to have insufficient access to health care, and those that do receive care are often faced with providers that are not adequately educated about the unique needs of their community. Finally, there is some evidence to suggest that gender-affirming hormone therapies have an impact on cardiovascular health, but studies on this subject often have methodological concerns and contradictory findings. Decreasing the incidence of adverse cardiovascular events in this community requires interventions such as educational reform in the medical community, an increase in research studies on this topic, and broader social initiatives intended to reduce the stigma faced by TGD individuals.

Resumen En el Día Mundial del Corazón 2022, la Sociedad Mexicana de Cardiología, la Sociedad Interamericana de Cardiología y la Federación Mundial del Corazón colaboraron en una comunicación sobre el aumento del riesgo de resultados adversos para la salud cardiovascular en individuos transgénero y de género diverso (TGD). Este documento, conocido como la Declaración de Tijuana, instó a la comunidad cardiovascular global a trabajar en la comprensión y mitigación de este problema. Este artículo tiene como objetivo desentrañar los numerosos factores que lo provocan. Un ejemplo es el estigma social enfrentado por los miembros de la comunidad TGD, lo que conduce a un aumento del estrés y el riesgo de complicaciones cardiovasculares. Los pacientes TGD también tienen más probabilidades de tener un acceso insuficiente a la atención médica, y aquellos que la reciben a menudo se enfrentan a proveedores que no están adecuadamente educados sobre las necesidades únicas de su comunidad. Finalmente, hay evidencia que sugiere que las terapias hormonales de afirmación de género tienen un impacto en la salud cardiovascular, pero los estudios sobre este tema a menudo tienen preocupaciones metodológicas y hallazgos contradictorios. Disminuir la incidencia de eventos cardiovasculares adversos en esta comunidad requiere intervenciones como la reforma educativa en la comunidad médica, un aumento en los estudios de investigación sobre este tema e iniciativas sociales más amplias destinadas a reducir el estigma enfrentado por los individuos TGD.

Resumo Atualmente, um dos maiores problemas ambientais ao nível do globo é a perda de solo por erosão hídrica. O agente erosivo pode provocar perdas significativas de nutrientes e matéria orgânica, principalmente quando a superfície do solo suporta um reduzido coberto vegetal. Em Portugal, o fogo controlado é uma prática comumente utilizada no controlo da disponibilidade de combustível e consequente redução do risco de incêndio. Contudo, esta prática remove em grande parte a cobertura vegetal, deixando o solo mais exposto aos processos erosivos. Neste sentido, o presente trabalho tem como objetivo avaliar o efeito do fogo controlado na erosão hídrica em áreas de matos do Parque Natural de Montesinho, NE Portugal. Após o fogo, foram instaladas 6 parcelas de erosão de 4 m2 cada (4 × 1 m), para avaliação da perda de solo e do escoamento superficial na área queimada. Os resultados englobam 8 meses de ensaio (março a dezembro de 2021), e as colheitas foram realizadas por cada evento de precipitação, perfazendo um total de 6 avaliações. O volume de água de escoamento e a perda de solo (massa de sedimentos) foram obtidos através de cálculos que englobaram o escoamento, os sedimentos transportados para o interior dos reservatórios de colheita do escoamento e os sedimentos depositados na parte frontal das parcelas de erosão (colocação de um dispositivo que permite a recolha dos sedimentos transportados). A quantidade média de perda de solo foi de 15,4 g m-2, o escoamento superficial médio foi de 1,4 mm, traduzindo-se num coeficiente de escoamento de 4,2%. Para avaliação das perdas de C e N, os sedimentos foram separados em 4 classes de tamanho (<0,2mm, 0,2-0,5mm, 0,5-2mm, >2mm) e analisadas em laboratórios as concentrações de C e N. A baixa precipitação total, durante o período de ensaio, ocasionou baixos valores de escoamento e, portanto, baixos valores de perda de solo, de C e de N.

Abstract Currently, one of the biggest environmental problems at the global level is the soil loss by water erosion. The erosive agent can cause significant losses of nutrients and organic matter, especially when the soil surface supports a reduced vegetation cover. In Portugal, prescribed fire is a commonly used practice to control the fuel availability and consequently reduce the wildfires risk. However, this practice removes the vegetation cover, leaving the soil more exposed to erosive processes. In this sense, the present work aims to evaluate the effect of prescribed fire on water erosion in shrub areas of the Montesinho Natural Park, NE Portugal. After the fire, 6 erosion plots of 4 m2 each (4 × 1 m) were installed to assess soil loss and runoff in the burned area. The results encompass 8 months (March to December 2021), and samples were collected for each rainfall event, making a total of 6 evaluations. The runoff and soil loss (sediment mass) were obtained through calculations that encompassed the runoff, the sediments transported into the runoff collection reservoirs and the sediments deposited on the front of the erosion plots (placement of a device that allows the collection of transported sediments). The average of soil loss was 15.4 g m-2, the average of runoff was 1.4 mm, corresponding to a runoff coefficient of 4.2%. To evaluate C and N losses, the sediments were separated into 4 size classes (<0.2mm, 0.2-0.5mm, 0.5-2mm, >2mm) and analyzed in laboratory the C and N concentrations. The low total precipitation, during the test period, caused low runoff values and, therefore, low losses of soil, C and N.

Abstract Amended soils with compost produced from livestock effluents can increase soil fertility and crop productivity. The aim of this work was to assess the effect of the fertilization with a compost on the soil enzymatic activity and yield of a lettuce crop. An experiment was carried out under field conditions with the following treatments: control without fertilization; mineral N fertilization with 85 kg N ha−1 (Ni85); fertilization with compost in pellets (CP170N) at N dose of 170 kg ha−1; fertilization with CP at N dose of 85 kg ha−1 together with mineral N at 42.5 kg ha-1(CP85N+Ni42.5). The fertilization increased the lettuce biomass compared with the control treatment; the pelletized compost showed similar yields (P >0.05) than those obtained with the mineral N fertilization. The acid phosphatase and the total microbial biomass increased significantly in the soils fertilized with CP170N treatment. However, the alkaline phosphatase and (-glucosidase were similar between the treatments. The acidic pH of the soil may have decreased the alkaline phosphatase activity. The application of the pelletized compost at a dose of 170 kg N ha-1 showed the best agronomic behavior regarding the lettuce yield, the soil microbial biomass and the acid phosphatase activity.

Resumen Suelos enmendados con compost producido a partir de efluentes de ganado pueden aumentar la fertilidad del suelo y la productividad de los cultivos. El objetivo de este trabajo fue evaluar el efecto de la fertilización con compost sobre la actividad enzimática del suelo y el rendimiento de un cultivo de lechuga. Se realizó un experimento en condiciones de campo con los siguientes tratamientos: testigo sin fertilización; fertilización mineral N con 85 kg N ha−1 (Ni85); fertilización con compost en pellets (CP170N) a dosis de N de 170 kg ha−1; fertilización con CP a una dosis de N de 85 kg ha−1 junto con N mineral a 42.5 kg ha-1 (CP85N+Ni42.5). La fertilización incrementó la biomasa de lechuga en comparación con el tratamiento testigo; el compost peletizado mostró rendimientos similares (P >0.05) a los obtenidos con la fertilización con N mineral. La fosfatasa ácida y la biomasa microbiana total aumentaron significativamente en los suelos fertilizados con el tratamiento CP170N. Sin embargo, la fosfatasa alcalina y la β-glucosidasa fueron similares entre los tratamientos. El pH ácido del suelo puede haber disminuido la fosfatasa alcalina. La aplicación de compost peletizado a la dosis de 170 kg N ha-1 mostró el mejor comportamiento agronómico en cuanto al rendimiento de la lechuga, la biomasa microbiana del suelo y la actividad de la fosfatasa ácida.

Abstract Sarcopenia is characterized by low muscle mass and strength in older adults. It is caused by decreased physical activity and quality of dietary intake. Therefore, the implementation of behavior modification techniques such as the token economy technique can serve as a strategy to improve treatment. The aim of the current study was to evaluate the effect of the token economy technique on treatment behaviors. A multiple case studies with an ABC-type design was conducted in eight older adults with sarcopenia. The intervention consisted of modification of treatment-related behaviors; in addition, changes in muscle mass and strength were assessed. The results showed that the frequency of target behaviors increased in 100% of the participants in the intervention stage compared to baseline. The frequency of the target behaviors did not return to the obtained baseline compared to the maintenance stage. 83.3% of the participants changed their sarcopenia diagnosis.

Resumen La sarcopenia está caracterizada por la baja masa y fuerza muscular en los adultos mayores. La implementación de técnicas de modificación de la conducta como la técnica de economía de fichas (TEF) puede fungir como estrategia para mejorar la adherencia al tratamiento. El objetivo fue evaluar el efecto de la TEF sobre las conductas de tratamiento: realizar la rutina de ejercicio de resistencia, consumir el suplemento de proteína y consumir el suplemento de vitamina D. Se realizó un estudio de caso de múltiples sujetos en ocho adultos mayores con sarcopenia. El estudio estuvo conformado por tres fases: pre-intervención, intervención conductual y post-intervención conductual. Se evaluó la frecuencia de las conductas de tratamiento en las tres fases, además de los cambios en masa y fuerza muscular. El análisis de los datos se realizó por medio de estadística descriptiva. Los resultados mostraron que la frecuencia de las conductas de tratamiento aumentó en el 100% de los participantes en la etapa de intervención conductual al comparar con la fase pre-intervención, valores que no regresaron a cero en la fase post-intervención conductual. El 83.3 % de los participantes dejaron de tener el diagnóstico de sarcopenia con base en los cambios de masa y fuerza muscular.

ABSTRACT Background: The coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus and is responsible for nearly 6 million deaths worldwide in the past 2 years. Machine learning (ML) models could help physicians in identifying high-risk individuals. Objectives: To study the use of ML models for COVID-19 prediction outcomes using clinical data and a combination of clinical and metabolic data, measured in a metabolomics facility from a public university. Methods: A total of 154 patients were included in the study. “Basic profile” was considered with clinical and demographic variables (33 variables), whereas in the “extended profile,” metabolomic and immunological variables were also considered (156 characteristics). A selection of features was carried out for each of the profiles with a genetic algorithm (GA) and random forest models were trained and tested to predict each of the stages of COVID-19. Results: The model based on extended profile was more useful in early stages of the disease. Models based on clinical data were preferred for predicting severe and critical illness and death. ML detected trimethylamine N-oxide, lipid mediators, and neutrophil/lymphocyte ratio as important variables. Conclusion: ML and GAs provided adequate models to predict COVID-19 outcomes in patients with different severity grades.

Abstract Background: The focused attention training has been used in pre surgery patients because of the benefits of its use decrease of psychological symptoms like anxiety, eases the post operatory period and recovery. Also, there are favorable changes in a psychological level as well as pain healing. Objective: Show that the focused attention training is effective in patients who are candidates to a craniotomy. Method: The study includes 11 participants in an age of 29 to 60 age from the Hospital de Especialidades del Centro Médico Nacional Siglo XXI, from May to September 2021. The Hospital Anxiety and Depression Scale (HADS) was applied pre, post and follow-up, to search anxiety symptoms and the focused attention training was used in the 11 patients. Results: The data was analyzed and checked with the Friedman test, for not parametric data and to identify differences in anxiety levels. It was observed that there are differences (p < 0.05) in both anxiety and depression. Conclusions: Anxiety decreased significantly before and after the focused attention training, the follow-up was kept the same way for 40 days; which means the training helped the patient to decrease anxiety.

Resumen Antecedentes: El entrenamiento de atención focalizada se ha utilizado en pacientes prequirúrgicos por los beneficios que conlleva: disminuye los síntomas psicológicos como ansiedad, facilita el periodo posoperatorio y la recuperación, cambios favorables a nivel fisiológico y reducción del dolor, entre otros. Objetivo: Demostrar la eficacia del entrenamiento de atención focalizada en pacientes candidatos a craneotomía. Método: El estudio incluyó 11 participantes de entre 29 y 60 años de edad del Hospital de Especialidades del Centro Médico Nacional Siglo XXI, de mayo a septiembre de 2021. Se aplicó la Hospital Anxiety and Depression Scale (HADS) antes, después de la intervención y a los 40 días para investigar síntomas de ansiedad, y se utilizó el entrenamiento de atención focalizada en los 11 participantes. Resultados: Se analizaron los datos con la prueba de Friedman para datos no paramétricos con el fin de identificar diferencias en los niveles de ansiedad. Se observó que sí hay diferencias (p < 0.05) tanto en ansiedad como en depresión. Conclusiones: La ansiedad disminuyó significativamente entre las mediciones antes y después de la intervención. La medición posterior continuó de la misma manera durante los 40 días, lo que significa que el entrenamiento ayudó al paciente a disminuir la ansiedad.

Resumen Este estudio utiliza C. elegans para evaluar la toxicidad de los nanogeles (NG) copoliméricos de N-isopropilacrilamida (NIPAAm) y metacrilato de 2-(dietilamino)etilo (DEAEM), preparados mediante polimerización en emulsión sin tensoactivo utilizando polietilenglicol monometil éter metacrilato (PEGMA) como estabilizador reactivo. Los nematodos ingirieron NG marcados con fluoresceína, como se demostró mediante microscopía de fluorescencia. Se utilizaron dos iniciadores diferentes, catiónicos y aniónicos para iniciar la síntesis de los NG. Los resultados demuestran que ambos tipos de NG afectan el tamaño y la reproductividad de los nematodos. C. elegans es un modelo pluricelular potencial para evaluar la toxicidad de los NG sensibles, evitando el uso de mamíferos para las evaluaciones.

Abstract This study uses C. elegans to assess the toxicity of copolymeric nanogels (NG) of N-isopropylacrylamide (NIPAAm) and 2-(diethylamino)ethyl methacrylate (DEAEM), prepared by surfactant-free emulsion polymerization using polyethylene glycol monomethyl ether methacrylate (PEGMA) as a reactive stabilizer. Nematodes ingested fluorescein-labeled NG, as demonstrated by fluorescence microscopy. Two different initiators, cationic and anionic, were used to initiate the synthesis of the NG. The results indicate that both types of NG affect the size and reproducibility of nematodes. C. elegans is a potential multicellular model to evaluate the toxicity of sensitive NG, avoiding the use of mammals for evaluations.

Resumen El diagnóstico diferencial de las adenopatías axilares metastásicas del cáncer de mama con las que se producen secundarias a la vacuna de Pfizer-BioNTech contra la COVID-19 es imperioso. Analizamos una serie de casos con las características de las adenopatías axilares unilaterales tras la administración de la vacuna de Pfizer-BioNTech. Se observaron adenopatías axilares homolaterales al brazo de vacunación. La ecografía axilar las definió como reactivas y que desaparecían en 3 semanas. Los hallazgos anatomopatológicos fueron de benignidad. La anamnesis, el lugar y la fecha de vacunación, así como los hallazgos radiológicos, desempeñan un papel esencial para realizar un correcto diagnóstico deferencial y el seguimiento de estas adenopatías.

Abstract The differential diagnosis of the metastatic axillary lymphadenopathies of breast cancer with which they occur secondary to the Pfizer-BioNTech vaccine against COVID-19, is imperative. In a series of cases, we analyzed the characteristics of unilateral axillary lymphadenopathy in patients after Pfizer-BioNTech vaccination. Axillary lymphadenopathy were observed ipsilateral to the vaccination arm. The axillary ultrasound defined these as reactive and that they disappeared in 3 weeks. The pathological findings were benign. The anamnesis, the place and date of vaccination and the radiological findings, play an essential role to carry out a correct differential diagnosis and follow-up of these adenopathies.

Resumen En la actualidad ha habido un incremento en la inseguridad y robos a viviendas, edificios y diversos lugares sociales, lo que ha llevado a la búsqueda e implementación de mecanismos que permitan proteger a las personas y a estos sitios. De esta manera, las casas con Sistemas de Seguridad Física (SSF) son menos afectados por estos hechos, y gracias al avance tecnológico y la aparición del Internet de las Cosas (IoT) dichos sistemas han mejorado bastante, llegando a suplir varias necesidades con funcionalidades novedosas, que son posibles por los nuevos dispositivos y tecnologías. En este sentido, es deseable resolver el cuestionamiento sobre ¿cuáles son los dispositivos y tecnologías del IoT más comúnmente utilizados en diferentes diseños de SSF? Así pues, el propósito de este artículo es presentar los resultados de la revisión literaria hecha, en la que se buscó identificar los elementos comunes utilizados en los SSF modernos basados en IoT, destacando las ventajas, desventajas y limitaciones de los sistemas implementados.

Abstract Currently there has been an increase in insecurity and burglaries to homes, buildings, and various social places, which has led to search and implementation of mechanisms to protect people and these sites. In this way, houses with Physical Security Systems (PSS) are less affected by these events, and thanks to the technological advancement and the appearance of the Internet of Things (IoT), these systems has improved too much, being able to supply several needs with new functionalities, which are possible by new devices and technologies. In this sense, is desirable to resolve the question about what are the most used IoT devices and technologies in different PSS designs? Thus, the purpose of this article is to present the results of the literature review made, which sought to identify the common items used in modern IoT-bases PSSs, highlighting the advantages, disadvantages, and limitations of the implemented systems.

RESUMEN La morfea lineal en golpe de sable es una entidad dermatológica caracterizada por la inflamación esclerosante y progresiva del tejido cutáneo en la región frontal y/o en el cuero cabelludo. La cefalea y las crisis convulsivas son dos de los síntomas extracutáneos más frecuentes y están causados por el crecimiento subyacente de la lesión. Es importante un diagnóstico temprano para frenar la progresión e intentar evitar las complicaciones secundarias, principalmente neurológicas. El diagnóstico se basa en el cuadro clínico y el estudio histológico, que permite la confirmación definitiva. El tratamiento de elección es la terapia combinada con corticoides orales y metotrexato. Aun con el tratamiento farmacológico adecuado, esta patología puede presentar un curso recidivante y dejar secuelas a largo plazo. Se presenta el caso de una niña en quien se realizó un diagnóstico rápido de esta enfermedad, a pesar de un cuadro clínico inespecífico. Fue tratada con metotrexato oral con buena respuesta, sin efectos secundarios.

ABSTRACT Linear morphea in coup de sabre is a dermatological entity characterized by progressive, sclerosing inflammation of the skin tissue in the frontal region and on the scalp. Headache and seizures are two of the most frequent extracutaneous symptoms and they are caused by the growth of the lesion towards underlying structures. An early diagnosis is important to stop cranial progression and try to avoid secondary complications, mainly neurological. The diagnosis is relied on compatible clinical signs and a pathological study that allows a definitive confirmation. The treatment of choice is combination therapy with oral corticosteroids and methotrexate. Despite an adequate pharmacological treatment, this pathology can present a recurrent course and cause long-term sequelae. We present the case of a girl who was diagnosed quickly, despite a not very noticeable symptoms. She has been treated with oral methotrexate with a good response, without side effects.