Physical properties of odorants affect behavior of trained detection dogs during close-quarters searches.

Trained detection dogs have a unique ability to find the sources of target odors in complex fluid environments. How dogs derive information about the source of an odor from an odor plume comprised of odorants with different physical properties, such as diffusivity, is currently unknown. Two volatile chemicals associated with explosive detection, ammonia (NH3, derived from ammonium nitrate-based explosives) and 2-ethyl-1-hexanol (2E1H, associated with composition C4 plastic explosives) were used to ascertain the effects of the physical properties of odorants on the search behavior and motion of trained dogs. NH3 has a diffusivity 3.6 times that of 2E1H. Fourteen civilian detection dogs were recruited to train on each target odorant using controlled odor mimic permeation systems as training aids over 6 weeks and then tested in a controlled-environment search trial where behavior, motion, and search success were analyzed. Our results indicate the target-odorant influences search motion and time spent in the stages of searching, with dogs spending more time in larger areas while localizing NH3. This aligns with the greater diffusivity of NH3 driving diffusion-dominated odor transport when dogs are close to the odor source in contrast to the advection-driven transport of 2E1H at the same distances.

Diffusion-Based 3D Bioprinting Strategies.

3D bioprinting has enabled the fabrication of tissue-mimetic constructs with freeform designs that include living cells. In the development of new bioprinting techniques, the controlled use of diffusion has become an emerging strategy to tailor the properties and geometry of printed constructs. Specifically, the diffusion of molecules with specialized functions, including crosslinkers, catalysts, growth factors, or viscosity-modulating agents, across the interface of printed constructs will directly affect material properties such as microstructure, stiffness, and biochemistry, all of which can impact cell phenotype. For example, diffusion-induced gelation is employed to generate constructs with multiple materials, dynamic mechanical properties, and perfusable geometries. In general, these diffusion-based bioprinting strategies can be categorized into those based on inward diffusion (i.e., into the printed ink from the surrounding air, solution, or support bath), outward diffusion (i.e., from the printed ink into the surroundings), or diffusion within the printed construct (i.e., from one zone to another). This review provides an overview of recent advances in diffusion-based bioprinting strategies, discusses emerging methods to characterize and predict diffusion in bioprinting, and highlights promising next steps in applying diffusion-based strategies to overcome current limitations in biofabrication.

A Subacute Presentation of Wunderlich Syndrome in a Young Woman: A Case Report.

Wunderlich syndrome (WS) is a rare, potentially life-threatening medical condition characterized by spontaneous renal or perinephric hemorrhage occurring in the absence of known trauma. WS usually presents as Lenk's triad: acute flank pain, flank mass sensation, and hypovolemic shock; however, the presentation of this condition can vary in terms of symptom type and duration. We present the case of a 23-year-old previously healthy woman who consulted our emergency department with an unusual subacute form of presentation of WS (eight days of pain) due to an angiomyolipoma. Considering that the patient was clinically stable, a conservative approach with strict follow-up with serial computed tomography scans was taken.

Sim2Ls: FAIR simulation workflows and data.

Just like the scientific data they generate, simulation workflows for research should be findable, accessible, interoperable, and reusable (FAIR). However, while significant progress has been made towards FAIR data, the majority of science and engineering workflows used in research remain poorly documented and often unavailable, involving ad hoc scripts and manual steps, hindering reproducibility and stifling progress. We introduce Sim2Ls (pronounced simtools) and the Sim2L Python library that allow developers to create and share end-to-end computational workflows with well-defined and verified inputs and outputs. The Sim2L library makes Sim2Ls, their requirements, and their services discoverable, verifies inputs and outputs, and automatically stores results in a globally-accessible simulation cache and results database. This simulation ecosystem is available in nanoHUB, an open platform that also provides publication services for Sim2Ls, a computational environment for developers and users, and the hardware to execute runs and store results at no cost. We exemplify the use of Sim2Ls using two applications and discuss best practices towards FAIR simulation workflows and associated data.

EVALUATION OF PROGNOSTIC INDICATORS FOR INJURED TURTLES PRESENTING TO A WILDLIFE CLINIC.

The Turtle Rescue Team (TRT) at North Carolina State University College of Veterinary Medicine currently sees over 500 chelonian cases a year. Each turtle receives a thorough physical examination as the main evaluation of its health because further diagnostics are cost prohibitive in a donation-based facility. Thus, there is a need to further understand how a few economical diagnostics can evaluate the prognosis of chelonians. The objectives were to evaluate lactate, PCV, total solids, glucose, temperature, and HR as prognostic indicators in multiple chelonian species and to determine how the change in lactate concentrations over a 24 h period affects prognosis. Eastern box turtles (Terrapene carolina carolina), yellow-bellied sliders (Trachemys scripta scripta), river cooters (Pseudemys concinna), painted turtles (Chrysemys picta), and common snapping turtles (Chelydra serpentina) were evaluated because of prevalence of presentation to the TRT, differences in habitat, and differences in physiology. Hyperlactatemia, an increased lactate over 24 h when the initial lactate concentration was greater than 5 mM/L, and anemia were determined to be significant prognostic indicators of mortality for all turtles, and hypoglycemia was a significant prognostic indicator of mortality for male turtles (P < 0.05).

Application of udder surface temperature by infrared thermography for diagnosis of subclinical mastitis in Holstein cows located in tropical highlands.

Several reports have indicated that udder surface temperature (UST) can be a useful indicator of subclinical mastitis (SCM). The objective was to evaluate UST by infrared thermography (IRT) as a diagnostic tool for SCM and intramammary infection (IMI), and to assess the influence of environmental conditions in the potential diagnosis of this disease in dairy cows located at high-altitude tropical regions. A total of 105 cows (397 quarters) from 3 dairy farms with mechanical and manual milking methods were enrolled in the study. Subclinical mastitis was diagnosed when quarter samples had a somatic cell count (SCC) ≥200 × 103 cells/mL, microbial growth (MG) was defined when a major pathogen (≥1 cfu/plate) or Corynebacterium spp. (≥10 cfu/plate) was isolated, and IMI was defined as the presence of MG and SCC ≥100 × 103 cells/mL. Infrared images were taken with a thermal camera placed 1 m away from the udder, and shots of the rear and left and right lateral view were made during the morning milking, before any manipulation of the udder and employing dark cardboard on the contralateral side to avoid artifacts in the background. A multilevel mixed effects linear regression model clustered within cows and herd was performed to evaluate the associations with UST. Clinical performance was evaluated using the Youden index to establish the optimum UST thresholds, which were set at 32.6°C for any case definition when milking was by hand, at 33.7°C for MG, and at 34°C for SCM and IMI in machine-milked quarters. Sensitivity (Se), specificity (Sp), area under curve (AUC), and positive likelihood ratio (+LR) were also assessed. Test agreement was assessed by kappa coefficient (κ). The UST of healthy quarters ranged between (95% CI) 32.4 and 32.6°C, lower than SCM quarters (n = 88) at 32.9°C (95% CI: 32.7-33.1 °C), MG quarters (n = 56) at 33.5°C (95% CI: 33.3-33.7°C), and IMI quarters (n = 50) at 33.5°C (95% CI: 33.2-33.7 °C). The UST was also related to the milking method: higher temperatures were observed for hand milking (n = 90) compared with machine milking (n = 185). No relation between environmental conditions such as wind speed, atmospheric temperature, relative humidity, and temperature-humidity index and UST were observed during this study. For hand milking, the optimal UST threshold was 32.6°C; for SCM, Se = 0.53, Sp = 0.89, AUC = 0.71, κ = 0.4; for MG, Se = 0.83, Sp = 0.93, AUC = 0.88, κ = 0.77; and for IMI, Se = 0.82, Sp = 0.92, AUC = 0.87, κ = 0.74. The machine milking threshold for SCM resulted in Se = 0.42, Sp = 0.97, AUC = 0.70, κ = 0.47; for MG, Se = 0.82, Sp = 0.89, AUC = 0.85, κ = 0.60; and for IMI, Se = 0.82, Sp = 0.98, AUC = 0.90, κ = 0.79. These findings suggest that UST determined by IRT is higher in machine-milked cows and in quarters with MG and IMI than in healthy quarters; therefore, UST by IRT is a reliable, clinically useful method for MG and IMI diagnosis.

De la puerta de urgencias al quirófano: revelando los minutos de oro en trauma cardíaco penetrante / From the ER door to the operating room: Revealing the golden minutes in penetrating cardiac trauma

Introducción. El manejo de la herida cardiaca penetrante es un reto dado que requiere un rápido manejo quirúrgico para evitar que su desenlace sea fatal. Múltiples factores pronósticos han sido descritos, sin embargo, no ha sido documentada la relación entre el tiempo de llegada a quirófano y el uso de pledgets con la mortalidad. Métodos. Se realizó un estudio observacional retrospectivo de corte transversal, desde el año 2011 hasta el año 2018, en un hospital universitario de la ciudad de Medellín. Se evaluaron los registros de los pacientes con herida cardiaca penetrante confirmada y se realizó análisis univariado, bivariado y multivariado, así como curvas de supervivencia. Resultados. Los pacientes inestables o con taponamiento cardiaco que llegan al quirófano después del minuto 4 de haber ingresado a urgencias tienen cuatro veces más posibilidades de morir que los que llegan a quirófano antes (RR 4,1 IC95% 1,43­12,07). El uso de pledgets en el reparo de la herida cardiaca, corresponde a un factor protector para los pacientes, con un OR ajustado de 2,5 (IC95% 1,124-5,641). El tipo de traumatismo, la arritmia intraoperatoria y el índice de choque al ingreso también fueron factores pronósticos. Discusión. Se documenta el efecto del tiempo de llegada a quirófano sobre la mortalidad, lo cual permitirá en un futuro generar cambios en el manejo de estos pacientes en función de estos tiempos. La evidencia encontrada sugiere mejores desenlaces con el uso rutinario de pledgets

Introduction. The management of penetrating cardiac injury is challenging since it requires rapid surgical ma-nagement to avoid a fatal outcome. Multiple prognostic factors have been described, however, the relationship between the time of arrival to the operating room and the use of pledgets with mortality has not been documented.Methods. A cross-sectional retrospective observational study was conducted from 2011 to 2018 in a university hospital in the city of Medellín. Records of patients with confirmed penetrating cardiac injury were evaluated, and univariate, bivariate, and multivariate analyzes were performed, as well as survival curves.Results. Unstable patients or patients with cardiac tamponade who arrive to the operating room after 4 minutes after being admitted to the emergency room are four times more likely to die than those who arrive to the operating room earlier (RR 4.1 95% CI 1.43­12.07). The use of pledgets in the repair of the cardiac wound corresponds to a protective factor for patients, with an adjusted OR of 2.5 (95% CI 1.124-5.641). The type of trauma, intraoperative arrhythmia and the shock index on admission were also prognostic factors. Discussion. The effect of the time of arrival to the operating room on mortality is documented, which will allow in the future to generate changes in the management of these patients based on these times. The evidence found suggests better outcomes with the routine use of pledgets

Síndrome de Ramsay Hunt: revisión narrativa / Ramsay Hunt Syndrome: Narrative Review

El síndrome de Ramsay Hunt (SRH) corresponde a la asociación de la parálisis facial periférica con una erupción vesicular localizada en el pabellón auricular, causada por el compromiso del ganglio geniculado secundario a una infección por el virus de la varicela-zóster (VVZ). Este síndrome es la segunda causa más común de parálisis facial atraumática y representa aproximadamente el 10 %-12 % de las parálisis faciales agudas, con una incidencia anual de 5 por cada 100 000 habitantes en Estados Unidos. El diagnóstico es principalmente clínico y entre las manifestaciones más destacadas se encuentran síntomas neurológicos como otalgia, tinnitus, hipoacusia asociada con parálisis facial junto a lesiones herpéticas características. Dentro de las complicaciones que se pueden presentar en esta entidad se encuentra, principalmente, la neuralgia posherpética, seguida de otras menos frecuentes como la encefalitis, el herpes zóster oftálmico y la mielitis. El manejo actual del SRH se basa en la aplicación de terapias duales con corticosteroides asociados a terapia antiviral, lo cual ha demostrado que el inicio temprano del tratamiento mejora el pronóstico y disminuye la aparición de complicaciones. El pronóstico de esta patología es inferior en comparación a patologías menos severas que comprometen el nervio facial (como la parálisis de Bell) y se ve impactado por varios factores como el inicio oportuno de tratamiento, el grupo etario y la presencia de comorbilidades.

Ramsay Hunt syndrome corresponds to the association of peripheral facial paralysis with a vesicular eruption located in the pinna, caused by the involvement of the geniculate ganglion secondary to infection by the varicella zoster virus. This syndrome is the second causes of atraumatic facial paralysis, representing approximately 10 %-12 % of acute facial paralysis, with an annual incidence of 5 per 100,000 inhabitants. The diagnosis is mainly clinical and among the most prominent manifestations are neurological symptoms such as otalgia, tinnitus, hypoacusis associated with facial paralysis together with characteristic herpetic lesions. Among the complications that may occur in this entity is mainly postherpetic neuralgia, followed by less frequent ones such as encephalitis, ophthalmic herpes zoster and myelitis. Current management of Ramsay Hunt syndrome is based on the application of dual therapies consisting of corticosteroids associated with antiviral therapy, showing that early initiation of treatment improves prognosis and reduces the appearance of complications. The prognosis of this pathology is inferior compared to less severe pathologies that compromise the facial nerve (Bell's palsy) and is impacted by several factors such as the timely initiation of treatment, the age group, and the presence of comorbidities.

Prevalencia de fracturas en niños con Parálisis Cerebral. Estudio de Cohorte Transversal / Prevalence of fractures in children with Cerebral Palsy. Cross-sectional Cohort Study

Introducción La parálisis cerebral (PC) es un grupo de trastornos no progresivos del movimiento y la postura que se produce como resultado de una lesión en el cerebro durante el desarrollo. Se asocia a fracturas afectando la región supracondílea del fémur principalmente. El objetivo general de este estudio fue determinar cuál es la prevalencia de fracturas en niños con PC en el Instituto Roosevelt entre Enero y Diciembre de 2017. Materiales y métodos Se realizó un estudio descriptivo de corte transversal teniendo como variables la edad, sexo, nivel funcional (GMFCS), uso de anticonvulsivantes y presencia de gastrostomía, siendo el desenlace la presencia de fractura. Resultados Se identificaron 648 pacientes con parálisis cerebral dentro de los cuales un total de 5 pacientes presentaron fracturas para una prevalencia calculada de 0.0187, todas fueron localizadas en la región supracondílea del fémur. Dos pacientes (40%) recibieron manejo ortopédico y tres pacientes (60%) manejo quirúrgico con osteosíntesis. 2 pacientes (40%) presentaban GMFCS I, 1 paciente (20%) GMFCS II y 2 pacientes (40%) GMFCS V. Ningún paciente tenía gastrostomía ni recibía anticonvulsivantes. Discusión La incidencia de fracturas en la población a estudio fue más baja que lo reportado en la literatura, la región supracondílea del fémur fue la más afectada en el presente estudio, sin complicaciones en el seguimiento. No se identificó asociación con gastrostomía ni uso de anticonvulsivantes.

Background Cerebral palsy (CP) is a group of non-progressive movement and posture disorders that occurs as a result of an injury to the brain during development. It is associated with fractures mainly affecting the supracondylar region of the femur. The general objective of thestudy was to determine the prevalence of fractures in children with CP at the Roosevelt Institute between January and December 2017. Methods A descriptive cross-sectional study was carried out taking as variables age, sex, functional level (GMFCS), use of anticonvulsants and presence of gastrostomy, defining the outcome as the presence of fracture. Results 648 patients with cerebral palsy were identified, within which a total of 5 patients presented fractures for a calculated prevalence of 0.0187, all were located in the supracondylar region of the femur. Two patients (40%) received orthopedic management and three patients (60%) surgical management with osteosynthesis. Two patients (40%) presented GMFCS I, 1 patient (20%) GMFCS II and 2 patients (40%) GMFCS V. No patient had a gastrostomy or received anticonvulsants. Discussion The incidence of fractures in the study population was lower than that reported in the literature, the supracondylar region of the femur was the most affected in the present study, without complications during follow-up. No association with gastrostomy or use of anticonvulsants was identified.

Resultados posquirúrgicos con el uso del sistema de sellado de vasos ultrasónico en cirugía de sarcomas de tejidos blandos en las extremidades. Estudio de cohorte longitudinal / Post-surgical results with the use of the ultrasonic vessel sealing system in surgery for soft tissue sarcomas resection in the limbs. A longitudinal cohort study

Introducción Los sarcomas de Tejidos blandos en los miembros tienen una incidencia de 4.7 casos por 100.000 habitantes y su manejo quirúrgico tiene una alta tasa de morbilidad y mortalidad por sangrado para lo cual se requiere utilizar el sellado ultrasónico de vasos. El objetivo del estudio es determinar los resultados intraoperatorios y postoperatorios con el uso los sistemas de sellado de vasos ultrasónico en la resección de sarcomas de tejidos blandos. Materiales & Métodos Se realizó una cohorte longitudinal entre mayo de 2017 y diciembre de 2018 incluyendo a todos los pacientes sometidos a resección de sarcomas de tejidos blandos usando la tecnología de sellado ultrasónico de vasos que presentaron complicaciones intraoperatorias y postoperatorias. Se registraron las variables de edad, sexo, municipio, barrio, ocupación, hemoglobina prequirúrgica, sangrado intraoperatorio, drenaje por hemovac, hemoglobina postquirúrgica, seroma, hematoma, necesidad de transfusión sanguínea, y complicaciones mayores. Los datos se analizaron mediante Shapiro Wilk o Kolmogorov Smirnov para la estadística descriptiva. Las pruebas de hipótesis para comparar la ocurrencia de ciertas características por estadio o severidad de la patología tumoral se realizó por prueba Chi2 o test de Fisher en variables cualitativas mientras que las cuantitativas con t Student o Mann Whitney, un valor de p<0,05 fue considerado como estadísticamente significativo. Resultados Se incluyeron 32 pacientes en el estudio: 13 mujeres y 19 hombres; los principales tipos de sarcomas encontrados fueron el sarcoma fusocelular en 11 casos y el liposarcoma en 5 casos. Se encontró una mediana de diferencia de hemoglobina de -1.85 gr/dL. El uso del sistema ultrasónico de sellado de vasos bipolares presentó un éxito de las cirugías en un 71%; se presentaron complicaciones en 12% de los pacientes Discusión El sistema de sellado ultrasónico de vasos se presenta como una alternativa que puede brindar el beneficio de realización de cirugías de menor duración con una hemostasia más segura, es menester dar profundidad a la materia de estudio de este trabajo mediante la aplicación de estudios aleatorizados y controlados.

Background Limbs soft tissue sarcomas have an incidence of 4.7 cases per 100,000 inhabitants and their surgical management has a high rate of morbidity and mortality due to bleeding. Use of ultrasonic vessel sealing is a novel technique often required. The aim of the study is to determine whether the intraoperative and postoperative results can be improve with the use of ultrasonic vessel sealing systems when surgeons are performing resection surgery of soft tissue sarcomas. Methods A longitudinal cohort was conducted between May 2017 and December 2018, including all patients undergoing resection of soft tissue sarcomas using ultrasonic vessel sealing technology that presented intraoperative and postoperative complications. The variables of age, sex, municipality, neighborhood, occupation, preoperative hemoglobin, intraoperative bleeding, hemovac drainage, postsurgical hemoglobin, seroma, hematoma, need for blood transfusion, and major complications were recorded. Data were analyzed using Shapiro Wilk or Kolmogorov Smirnov for descriptive statistics. Hypothesis tests to compare the occurrence of certain characteristics by stage or severity of the tumor pathology were performed using the Chi2 test or Fisher's test in qualitative variables, while the quantitative ones with t Student or Mann Whitney, a value of p<0.05 it was considered statistically significant. Results 32 patients were included in the study: 13 women and 19 men; the main types of sarcomas found were spindle cell sarcoma in 11 cases and liposarcoma in 5 cases. A median hemoglobin difference of −1.85g/dL was found. The use of the ultrasonic bipolar vessel sealing system showed a 71% success rate for surgeries; complications occurred in 12% of patients. Discussion Ultrasonic vessel sealing system is a valid alternative that benefits limbs soft tissue sarcomas resection patient surgery by reducing surgery time and improving safer hemostasis. Further randomized controlled studies should be preformed.

Patient Preparation for Outpatient Blood Work and the Impact of Surreptitious Fasting on Diagnoses of Diabetes and Prediabetes.

OBJECTIVE: To describe patient preparation for routine outpatient blood work and examine the implications of surreptitious fasting on interpretation of glucose results. PATIENTS AND METHODS: We designed a survey and administered it between September 1, 2016, and April 30, 2017, to assess fasting behaviors in a convenience sample of 526 adults presenting for outpatient blood work in 2 health systems between 7 am and 12 pm. We reviewed the electronic health records to extract glucose results. We describe the frequency of clinician-directed fasting and surreptitious fasting. In those surreptitiously fasting, we describe the frequency of missed diagnoses of prediabetes and diabetes. RESULTS: Of 526 participants, 330 (62.7%) self-identified as fasting, and 304 (92.1%) of those fasting met American Diabetes Association fasting criteria. Only 131 (24.9%) of those fasting were told to fast by their health care team. Almost 50% (257 of 526) believed it was important to fast for every blood test. Of the 64 patients with diabetes who were taking insulin, 37 (57.8%) fasted and took their insulin as prescribed. Among the 89 patients without diabetes who fasted without knowledge of their health care team and had glucose tested, 2 (2.2%) had a missed diagnosis of diabetes and 18 (20.2%) had a missed diagnosis of prediabetes. CONCLUSION: Fasting for outpatient blood work is common, and patients frequently fast without awareness of their health care team. Failure to capture fasting status at the time of glucose testing is a missed opportunity to identify undiagnosed cases of diabetes and prediabetes.

Expresión de Ciclooxigenasa-2 en carcinoma colorrectal, una revisión narrativa / Expression of Ciclooxigenase-2 in colorectal carcinoma, a narrative review

RESUMEN El desarrollo del carcinoma colorrectal es un proceso secuencial asociado con la inestabilidad cromosómica y con mutaciones de oncogenes como KRAS, de genes supresores de tumor como p53, o con pérdida del gen APC, causando transformación y proliferación celular descontrolada. La ciclooxigenasa-2 (COX-2) es una enzima inducible, cuya expresión puede ser influenciada por estímulos proinflamatorios y mitógenos como los ocasionados por citoquinas y factores de crecimiento. Esta ha sido propuesta como reguladora de la proliferación celular y se ha planteado que puede jugar un papel importante en el desarrollo del tejido metaplásico y displásico, así como en el desarrollo y progresión de diferentes tipos de tumores, entre ellos el carcinoma colorrectal. Se han utilizado diferentes técnicas para identificar el nivel de COX-2 en neoplasias colorrectales, una de las más utilizadas es la inmunohistoquímica, que ha permitido demostrar mayor expresión de la enzima en el tejido tumoral en comparación con la mucosa colorrectal normal. La mayoría de los estudios publicados han sugerido que la sobreexpresión común de COX-2 en el carcinoma colorrectal podría ser utilizada como biomarcador para esta neoplasia.

SUMMARY The development of colorectal carcinoma is a sequential process associated to chromosomic instability and to mutations of oncogenes as KRAS, of tumor suppressor gene as p53, or loss of APC, leading to uncontrolled cell proliferation and transformation. Cyclooxygenase 2 (COX-2) is an inducible enzyme, whose expression can be influenced by proinflammatory and mitogenic stimuli such as those caused by cytokines and growth factors, has been proposed as an enzyme regulating cell proliferation, and therefore carcinogenesis, which can play an important role in the development of metaplastic and dysplastic tissues, as well as in the development and progression of cancer as colorectal tumors. Different techniques have been used to identify COX-2 expression in colorectal neoplasms, one of the most widely used is the immunohistochemistry, whose results have generally shown higher staining in tumor tissue compared to normal colorectal mucosa. Most published studies have suggested that the common overexpression of COX-2 in colorectal carcinoma could be used as a biomarker for this neoplasm.

The health consequences of aerial spraying illicit crops: The case of Colombia.

This paper exploits variations in aerial spraying across time and space in Colombia and employs a panel of individual health records in order to study the causal effects of the aerial spraying of herbicides (glyphosate) on short-term health-related outcomes. Our results show that exposure to the herbicide used in aerial spraying campaigns increases the number of medical consultations related to dermatological and respiratory illnesses, as well as the number of miscarriages. These findings are robust to the inclusion of individual fixed effects, which compare the prevalence of these medical conditions for the same person under different levels of exposure to the herbicide used in the aerial spraying program over a period of 5 years. Also, our results are robust to controlling for the extent of illicit coca cultivation in the municipality of residence.

Frequency and effects of meeting health behaviour guidelines among adolescents.

BACKGROUND: To assess the relationship between overweight status and the concomitant adherence to physical activity, daily screen time and nutritional guidelines. METHODS: Data were derived from the Swiss Health Behaviour in School-aged Children Survey 2006. Participants (n = 8130, 48.7% girls) were divided into two groups: normal weight (n = 7215, 44.8% girls) and overweight (n = 915, 34.8% girls), using self-reported height and weight. Groups were compared on adherence to physical activity, screen time and nutritional guidelines. Bivariate analyses were carried out followed by multivariate analyses using normal-weight individuals as the reference category. RESULTS: Regardless of gender, overweight individuals reported more screen time, less physical activity and less concomitant adherence to guidelines. For boys, the multivariate analysis showed that any amount exceeding screen time recommendations was associated with increased odds of being overweight [>2-4 h: adjusted odds ratio (AOR) = 1.40; >4-6 h: AOR = 1.48; >6 h: AOR = 1.83]. A similar relation was found for any amount below physical activity recommendations (4-6 times a week: AOR = 1.67; 2-3 times a week: AOR = 1.87; once a week or less: AOR = 2.1). For girls, not meeting nutritional guidelines was less likely among overweight individuals (0-2 recommendations: AOR = 0.54). Regardless of weight status, more than half of the adolescents did not comply with any guideline and <2% met all three at the same time. CONCLUSIONS: Meeting current nutritional, physical activity and screen time guidelines should be encouraged with respect to overweight. However, as extremely low rates of concomitant adherence were found regardless of weight status, their achievability is questionable (especially for nutrition), which warrants further research to better adapt them to adolescents.

Enfermedad del corazón roto o síndrome de Tako Tsubo / Disease of broken heart or tako tsubo syndrome

El síndrome de Tako Tsubo es una entidad clínica de aturdimiento miocárdico intenso, secundario a una liberación suprafisiológica de catecolaminas; dicha situación se desata luego de un evento estresante previo, simulando un síndrome coronario agudo, pero con la confirmación diagnóstica la angiografía coronaria denota permeabilidad de las arterias que descarta el evento isquémico y se muestra igualmente el balonamiento del ápice cardíaco en sístole, la cual confirma esta patología. Se presenta un caso manejado en la unidad de cuidados intensivos del Hospital Departamental Universitario del Quindío San Juan de Dios, institución de tercer nivel, en la ciudad de Armenia, Quindío, Colombia...

Tako Tsubo syndrome is an entity characterized by intense myocardial stunning secondary to a supraphysiological catecholamine release. Such situation usually presents itself after a stressful event to the patient and has a similar clinical presentation as an acute coronary syndrome (with findings of electrocardiogram alterations and elevation of cardiac enzymes), but at the time of an angiographic confirmation of the diagnosis there is permeability of the coronary arteries and there is a characteristic systolic ballooning of the left ventricular apex, which in turn confirms the diagnosis of the pathology. A case report which took place at the “Hospital Departamental Universitario del Quindío San Juan de Dios” in the city of Armenia, Quindío (Colombia) is presented in this article...

Estimación de los contenidos de alquitrán y nicotina de los cigarrillos fumados por estudiantes adolescentes de la educación pública de Santo Domingo / Measurements of alquitran and nicotine content of cigarrettes smoked by adolescent students of public schools in Santo Domingo

Con el propósito de estimar el contenido de nicotina y alquitrán de los cigarrillos que se venden en el mercado dominicano, se llevó a cabo una autoencuesta epidemiológica transversal entre estudiantes adolescentes de la educación secundaria tradicional de la ciudad de Santo Domingo, República Dominicana. La autoencuesta fue dirigida a 1,418 estudiantes. Llenaron adecuadamente el autocuestionario. 1,391 alumnos, es decir, 98.1 por ciento. Se encontró un 28.0 por ciento de fumadores, 3.0 por ciento de ex-fumadores y 69.0 por ciento de no fumadores. Los estudiantes prefieren los cigarrillos con filtro (28.0//). La mayoría (26.8//) inhala el huno del cigarrillo (superficial o profundamente). El largo de la colilla varía significativamente según el tipo de cigarrillos: de cuatro cigarrillos con filtro uno es fumado enteramente y dos casi enteramente. Las cantidades promedios de alquitrán y nicotina inhaladas por cigarrillos aumenta proporcionalmente de manera significativa según el número de cigarrillos consumidos. Los grandes fumadores prefieren el tabaco rico en alquitrán y en nicotina. Ninguna de las marcas de cigarrillos fabricadas en el país, tenía impreso el contenido de alquitrán y de nicotina, en cambio, las importadas sí. Por último, se pudo constatar una disminución importante, 7.0 por ciento de fumadores, luego de informarles acerca del contenido de alquitrán y nicotina de los cigarrillos fumados