La relación entre la obesidad y estados depresivos / The relationship between obesity and depressive states

La depresión y la obesidad son patologías altamente prevalentes y corresponden a los principales problemas de salud pública. Estas patologías tienen un gran impacto en la morbilidad y mortalidad de los pacientes y afectan la salud y el bienestar de quienes las padecen, así como también afectan en el aspecto socioeconómico consecuencia del deterioro funcional y el gasto de recursos en salud ocasionados. Resultados de estudios epidemiológicos, ensayos clínicos y meta-análisis apoyan la asociación entre los estados depresivos y la obesidad, ya que ambos ocurren conjuntamente en todas las razas de poblaciones evaluadas. El objetivo es abordar la evidencia con respecto a 4 aspectos: (1) obesidad y respuesta a los antidepresivos, (2) trastornos depresivos y su impacto sobre la progresión de la obesidad, (3) tratamiento de la obesidad y el impacto sobre los resultados entre pacientes con trastornos depresivos, (4) el tratamiento de los trastornos depresivos y su impacto sobre los resultados de la obesidad. La evidencia existente apoya la asociación entre obesidad y los resultados adversos para la salud en individuos con trastornos depresivos. Además, destaca el concepto que el tratamiento de una de las dos enfermedades (obesidad o trastornos depresivos) es relevante para mejorar el curso de la otra patología. Puede ser beneficioso explorar dirigidamente la presencia de un trastorno depresivo en sujetos con sobrepeso u obesidad, así como el aumento de peso en personas con depresión. Conocer el efecto de los fármacos antidepresivos sobre el peso corporal es también relevante para facilitar la adherencia al tratamiento en el largo plazo.

Depression and obesity are highly prevalent illness and a mayor public health concern. These diseases have a great impact on morbidity and mortality of patients and affect the health and well-being of those who suffer them, as well as being affected in the socioeconomic aspect as a result of the functional deterioration and the spending of resources. Results of epidemiological studies, clinical trials and meta-analysis support the association between mood disorders and obesity, since both occur together in all the populations evaluated. The objective is to address the evidence regarding four aspects: (1) obesity and response to antidepressants, (2) depressive disorders and their effect on the progression of obesity, (3) treatment of obesity and the effect on outcomes among patients with depressive disorders, (4) the treatment of depressive disorders and their effect on obesity outcomes. Existing evidence supports the association between obesity and adverse health outcomes in individuals with depressive disorders. In addition, it highlights the concept that the treatment of one of the two diseases (obesity or depressive disorders) is relevant to improve the course of the other disease. It may be beneficial to explore the presence of a depressive disorders in overweight or obese subjects, as well as weight gain in subjects with depression. Knowing the effect of antidepressant drugs on body weight is relevant to facilitate adherence to long-term treatment.

Nutritional implications for the patient undergoing extracorporeal membrane oxygenation.

Extracorporeal membrane oxygenation (ECMO) for cardiovascular collapse or catastrophic respiratory failure in the critically ill patient imposes a multidisciplinary approach. Nutritional support is one of the issues that must be faced, as this population presents a state of increased metabolic activity, elevated catabolism of protein and rapid accumulating energy deficiency. Provision of adequate nutritional therapy is hard to achieve due to different factors. This article provides a brief overview of the current literature regarding nutritional support during ECMO in adult patients, as no current guidelines address this issue.

La oxigenación por membrana extracorpórea (OMEC) en casos de colapso cardiovascular o falla respiratoria catastrófica en pacientes críticos impone un planteamiento multidisciplinar. El soporte nutricional es uno de los problemas a afrontar, ya que esta población presenta un estado de actividad metabólica aumentada, un elevado catabolismo proteico, y una deficiencia de energía de rápida acumulación. Es difícil conseguir una provisión de terapia nutricional adecuada debido a distintos factores. Este artículo ofrece una breve presentación de la bibliografía actual relativa al soporte nutricional durante la OMEC en pacientes adultos, ya que actualmente no contamos con directrices que aborden este tema.

Nutritional implications for the patient undergoing extracorporeal membrane oxygenation / Aspectos nutricionales del paciente sometido a ECMO (extracorporeal membrane oxygenation)

Extracorporeal membrane oxygenation (ECMO) for cardiovascular collapse or catastrophic respiratory failure in the critically ill patient imposes a multidisciplinary approach. Nutritional support is one of the issues that must be faced, as this population presents a state of increased metabolic activity, elevated catabolism of protein and rapid accumulating energy deficiency. Provision of adequate nutritional therapy is hard to achieve due to different factors. This article provides a brief overview of the current literature regarding nutritional support during ECMO in adult patients, as no current guidelines address this issue (AU)

La oxigenación por membrana extracorpórea (OMEC) en casos de colapso cardiovascular o falla respiratoria catastrófica en pacientes críticos impone un planteamiento multidisciplinar. El soporte nutricional es uno de los problemas a afrontar, ya que esta población presenta un estado de actividad metabólica aumentada, un elevado catabolismo proteico, y una deficiencia de energía de rápida acumulación. Es difícil conseguir una provisión de terapia nutricional adecuada debido a distintos factores. Este artículo ofrece una breve presentación de la bibliografía actual relativa al soporte nutricional durante la OMEC en pacientes adultos, ya que actualmente no contamos con directrices que aborden este tema (AU)

[Micronutrient deficiencies one year after sleeve gastrectomy]. / Déficit de micronutrientes a más de un año postoperatorio de gastrectomía en manga.

INTRODUCTION: Obesity is one of the largest problems in public health worldwide today. For patients with severe obesity and associated comorbidities, surgical treatment is recommended. OBJECTIVE: To analyze the frequency of micronutrient deficiencies and food intake at least 12 months after sleeve gastrectomy (SG). MATERIALS AND METHODS: This is a cross sectional study carried out between October and December 2009 with measure of serum levels of vitamin B12, vitamin D, folate, calcium, ferritin, zinc, parathyroid hormone and bone mineral density on patients underwent SG at least 12 months before the study. A food intake questionnaire was also performed. For the statistical analysis, the Pearson or Spearman tests was used. RESULTS: Forty patients were evaluated with a mean age of 40 ± 10 years and mean time post surgery of 26 ± 6 months. Mean plasma level of 25 OH-vitamin D was 20.9 ± 10.5 ng/ml. Forty-three percent had low levels of vitamin D (< 20 ng/ml), and 68% showed low levels of calcium (< 1,1 mmol/L) without secondary hyperparathyroidism. Anemia was present in 28% and iron deficiency occurred in 38% of these patients. Deficit of folic acid and vitamin B12 were observed in 13% of the patients. Average daily food intake was 1,256 kcal, 54% of total calories as carbohydrates, 26% as fat and 21% as protein. CONCLUSION: Iron, calcium and vitamin D are the most prevalent micronutrient deficiencies after SG. Long-term vitamin and mineral supplementation should be considered on every patient. Additional long-term studies are needed to establish specific supplementation recommendations after SG.

Déficit de micronutrientes a más de un año de postoperatorio en gastrectomía en manga / Micronutrient deficiencies one year after sleeve gastrectomy

Introducción: La obesidad es uno de los principales problemas de salud pública a nivel mundial. Para aquellos pacientes con obesidad severa asociada a comorbilidades, se recomienda el tratamiento quirúrgico. Objetivo: Analizar la frecuencia de déficit de micronutrientes e ingesta alimentaria en pacientes sometidos a gastrectomía en manga (GM) en un tiempo post operatorio del al menos 12 meses. Material y métodos: Se realizó un estudio transversal entre los meses de octubre y diciembre de 2009. Se estudió a pacientes que habían sido sometidos a GM al menos 12 atrás y se les midió niveles séricos de vitamina B 12, vitamina D, folato, calcio, ferritina, zinc, paratohormona y densidad mineral ósea. Además se aplicó un cuestionario de ingesta alimentaria. Se utilizó el test de Pearson o Spearman para el análisis estadístico. Resultados: Se evaluó un total de 40 pacientes con una edad promedio de 40 ± 10 años y un tiempo post operatorio de 26 ± 6 meses. El nivel promedio de vitamina D fue de 20.9 ± 10.5 ng/ml. El 43% presentó nivel bajo de vitamina D (< 20 ng/ml), un 68% presentó nivel disminuido de calcio (< 1,1 mmol/L) sin hiperparatoroidismo secundario. Se encontró anemia en un 28% y déficit de hierro en el 38% de la muestra. El déficit de ácido fólico y vitamina B12 se observó en un 13% de los pacientes. El consumo calórico promedio fue de 1.256 kcal/día, de las cuales un 54% correspondió a hidratos de carbono, un 26% a grasa y un 21% a proteínas. Conclusión: El déficit de hierro, calcio y vitamina D son los más prevalentes luego de la GM. La suplementación de vitaminas y minerales debiera ser considerada en todo paciente. Se requiere mayor estudio a largo plazo para establecer las recomendaciones específicas de suplementación luego de la GM (AU)

Introduction: Obesity is one of the largest problems in public health worldwide today. For patients with severe obesity and associated comorbidities, surgical treatment is recommended. Objective: To analyze the frequency of micronutrient deficiencies and food intake at least 12 months after sleeve gastrectomy (SG). Materials and methods: This is a cross sectional study carried out between October and December 2009 with measure of serum levels of vitamin B12, vitamin D, folate, calcium, ferritin, zinc, parathyroid hormone and bone mineral density on patients underwent SG at least 12 months before the study. A food intake questionnaire was also performed. For the statistical analysis, the Pearson or Spearman tests was used. Results: Forty patients were evaluated with a mean age of 40 ± 10 years and mean time post surgery of 26 ± 6 months. Mean plasma level of 25 OH-vitamin D was 20.9 ± 10.5 ng/ml. Forty-three percent had low levels of vitamin D (< 20 ng/ml), and 68% showed low levels of calcium (< 1,1 mmol/L) without secondary hyperparathyroidism. Anemia was present in 28% and iron deficiency occurred in 38% of these patients. Deficit of folic acid and vitamin B12 were observed in 13% of the patients. Average daily food intake was 1,256 kcal, 54% of total calories as carbohydrates, 26% as fat and 21% as protein. Conclusion: Iron, calcium and vitamin D are the most prevalent micronutrient deficiencies after SG. Long-term vitamin and mineral supplementation should be considered on every patient. Additional long-term studies are needed to establish specific supplementation recommendations after SG (AU)

Eficacia y seguridad de una dieta muy baja en calorías en un grupo de mujeres chilenas con sobrepeso u obesidad / Efficacy and safety of a very-low-calorie diet in a group of overweight or obese Chilean women

Background: Very low calorie diets (VLCDs) have been used to induce a rapid decrease in total body weight. Aim: To evaluate the efficacy and safety of a VLCD in a group of overweight and obese Chilean women. Material and Methods: Thirty women with a body mass index (BMI) > 27 kg/m2 were enrolled to a 4 weeks intervention with a VLCD (using liquid meal replacement). Anthropometric and metabolic parameters were evaluated at baseline and at the end of the intervention. Results: Twenty five women (83 percent) completed the total intervention period. Average weight loss was 5.7 ± 1.5 kg (-6.9 percent of the initial weight) corresponding to a 34.7 ± 13.4 percent of the excess of weight. Significant improvements in triglycerides, total cholesterol and LDL cholesterol (Low Density Lipoproteins) were observed. Insulin resistance determined by Homeostasis model assessment (HOMA), decreased significantly from 3.3 ± 1.8 to 2.0 ± 0.9 (p = 0.003). No serious adverse events were reported. Conclusions: Short term use of VLCDs is safe and effective to induce rapid weight loss in Chilean women.

[Efficacy and safety of a very-low-calorie diet in a group of overweight or obese Chilean women]. / Eficacia y seguridad de una dieta muy baja en calorías en un grupo de mujeres chilenas con sobrepeso u obesidad.

BACKGROUND: Very low calorie diets (VLCDs) have been used to induce a rapid decrease in total body weight. AIM: To evaluate the efficacy and safety of a VLCD in a group of overweight and obese Chilean women. MATERIAL AND METHODS: Thirty women with a body mass index (BMI) > 27 kg/m2 were enrolled to a 4 weeks intervention with a VLCD (using liquid meal replacement). Anthropometric and metabolic parameters were evaluated at baseline and at the end of the intervention. RESULTS: Twenty five women (83%) completed the total intervention period. Average weight loss was 5.7 ± 1.5 kg (-6.9% of the initial weight) corresponding to a 34.7 ± 13.4% of the excess of weight. Significant improvements in triglycerides, total cholesterol and LDL cholesterol (Low Density Lipoproteins) were observed. Insulin resistance determined by Homeostasis model assessment (HOMA), decreased significantly from 3.3 ± 1.8 to 2.0 ± 0.9 (p = 0.003). No serious adverse events were reported. CONCLUSIONS: Short term use of VLCDs is safe and effective to induce rapid weight loss in Chilean women.

The emerging obesity problem in Latin America.

Obesity and overweight prevalence is increasing rapidly in Latin America. This increase has been attributed to lifestyle changes occurring in recent decades related to rapid socioeconomic development, including a more Westernized diet, physical inactivity, urbanization, rural-urban migration and some maternal-fetal factors. In addition, genetic factors may have a role, inducing a higher predisposition to accumulate abdominal fat and develop metabolic syndrome. This increase in obesity and metabolic syndrome is leading to higher morbidity and mortality due to Type 2 diabetes and cardiovascular disease. In a few poor countries, obesity coexists with undernutrition, making the situation even more difficult. Global intervention, from both governments and nongovernmental organizations, is necessary. They must play an active role, monitoring the food market and facilitating community-based initiatives that promote a healthy lifestyle.