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Revista Venezolana de Endocrinología y Metabolismo
Revista Activa *
ISSN: 1690-3110
Cuatrimestral
Medicina
Sociedad Venezolana de Endocrinología y Metabolismo
Venezuela

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Freddy Febres Balestrini
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en: The beta cell is not only able to produce and secrete insulin, but also makes this secretion is at the right time and in the right amount. Postprandial glucose elevations produce an acute secretory response in the beta cell, but in certain diseases such as diabetes mellitus, the scene changes dramatically, resulting in dysfunction, characterized by an altered secretion process and multiple phenotypic changes. In these, nutrients like glucose and fatty acids are chronically elevated, becoming toxic substances that can lead to death of the beta cell itself. Therefore, any therapeutic approach to cure this disease must face the need to replace or avoid this cell decline, it is imperative to mention the role of oral hypoglycemic agents as inhibitors of DPP-4 and analogs of the GLP-1 in protection against failure of the β cell mass.>>>
Jairo Rojano Rada
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Marcelo Alejandro Storino Farina
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Richard de Jesús Serrano López
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Javier Contreras
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en: Metreleptin is a synthetic leptin analog that has been trialed in patients with leptin-deficient conditions. Lipodystrophies represent a class of diseases characterized by leptin deficiency, which is associated with a severe form of the metabolic syndrome characterized by hyperglycemia, hypertriglyceridemia, and hepatic steatosis. These metabolic complications can progress to diabetes mellitus, acute pancreatitis, and hepatic cirrhosis. For the management of these abnormalities, multiple therapies are usually required, and advances stages may be progressively difficult to treat. Metreleptin is the pharmaceutical derived product that has been approved by the US Food and Drug Administration (FDA) to treat the severe metabolic abnormalities of the generalized forms of lipodystrophy. Herein, we review the pharmacological profile of metreleptin, and clinical aspects of generalized lipodystrophies. Further, we examine studies that assessed the efficacy and safety of metreleptin in generalized lipodystrophies.>>>
Marcos M. Lima-Martínez
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en: Objective: To determine plasma concentrations of procalcitonina, marker of low-grade inflammation, in obese and non-obese women with diagnosis of polycystic ovary syndrome (PCOS). Methods: Women with diagnosis of PCOS and age-matched healthy controls, with regular menstruations and nor - mal ultrasound ovaries were selected and divided in four groups (group A: PCOS and obese; group B: PCOS and non-obese; group C: obese controls and group D: non-obese controls) according to body mass index (obese > 30 Kg/m 2 and non-obese < 25 kg/m 2 ). Concentrations of luteinizing hormone, follicle-stimulating hormone, an - drostenodione, testosterone, sex hormone-binding globulin, serum glucose, insulin and procalcitonin were meas - ured. Results: Obese and non-obese women with PCOS had higher luteinizing hormone, follicle stimulating hormone, androstenodione, testosterone, and insulin levels as compared to women in the obese and non-obese control group, respectively (p< 0.0001). Women with PCOS had significantly higher procalcitonin levels (group A 0.026±0.003 ng/mL and group B: 0.024±0.002 ng/mL) as compared with controls (group C: 0.015±0.001 ng/ mL and group D: 0.012±0.001 ng/dL; p< 0.0001). We observed that procalcitonin concentrations presented a positive and significant correlation with fasting insulin in PCOS women (p< 0.0001). Conclusion: Plasma procalcitonin concentrations were significantly higher in obese and non-obese women with PCOS compared with normal controls. Procalcitonin could be useful as a marker of low-grade inflammation in PCOS.>>>
Jorly Mejia-Montilla
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Melchor Álvarez-Mon
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Eduardo
Hospital Central Dr. Urquinaona
Venezuela
Duly Torres-Cepeda
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Joel Santos-Bolívar
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Nadia Reyna-Villasmil
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Ismael Suarez-Torres
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Alfonso Bravo-Henríquez
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en: Objective: to determine the effects of gastric bypass on cardiovascular risk factors such as hypertension, dyslipidemia and diabetes in patients undergoing bariatric surgery in Colsubsidio Health Care Service Provider, Bogotá, Colombia, and the proportion of patients with post-procedure success, defined as a 50% of excess weight loss in 1 year. Methods: Cross-sectional study. The sample size was calculated with a significance level of 5%, 80% power, assuming a proportion of patients with comorbidities of 40% and an expected rate after 1 year bariatric surgery of 10%, obtaining as at least 70 patients. There were 127 patients enrolled, among them, 106 (83,46%) were women; 114 patients (89,76%) underwent gastric bypass. Results: A significant reduction of comorbidities was found 1 year after gastric bypass in the proportion of patients with dyslipidemia, diabetes and hypertension, with a reducction of 60,25% (p<0, 001), 80,65% (p<0,001) and 78,05% (p=0, 01) respectively. Besides, an excess weight loss of 75,77% (p<0, 001) was founded, as well as a significant reduction of 2,8% (p =0,0016) in glycosylated hemoglobin levels. Conclusions: Bariatric surgery is a safe strategy for the management of diabetes mellitus in morbid obese patients with significant improvement in cardiovascular risk factors.>>>
Laura Giraldo M
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Richard Buendia
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Jenny Rivera Avendaño
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Alejandra Morales
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Monica Zambrano
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en: Objective: To describe the pathophysiology in an elderly patient who consulted for bilateral gynecomastia of multifactorial origin. Case report: Male patient, 66 years old, who started current disease for 5 years ago characterized by increased volume in both breasts, predominantly right, accompanied by mastalgia. He presented previous diagnosis of diabetes mellitus type 2 about 10 years ago, poorly controlled, receiving glimepiride 4 mg per day orally. Chronic liver disease of probable alcoholic etiology diagnosed 10 years ago, complicated with esophageal varices treated with propranolol 40 mg orally daily until today; he received spironolactone 100 mg orally daily for about five years, which was omitted due to the appearance of breast volume increase and pain. Upper gastrointestinal bleeding 10 years ago from esophageal varices. Frequent drinking habits until drunkenness since youth, for 10 years.. Physical examination reports weight: 85 kg, height: 164 cm, body mass index: 31.7 kg/m 2 , blood pressure: 137/72 mmHg, heart rate: 57 lpm, in good condition. Asymmetrical breasts with grade 3 bilateral gynecomastia, not galactorrhea; liver measures by palpation 10-09-15 cms, hands with palmar erythema. Conclusion: Gynecomastia in older adults may have pathophysiologically a multifactorial origin, being the decrease in serum testosterone the common denominator. Early treatment can improve symptoms and progression of it.>>>
Seilee Hung Huang
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Mary Carmen Barrios
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Rebeca Silvestre
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Roald Gómez-Pérez
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en: Gestational diabetes mellitus (GDM) is one of the most common metabolic disorders that can affect pregnancy. Its prevalence increases in the same proportion as the epidemic of obesity and overweight. Recognize and treat any degree of impaired glucose affecting pregnancy leads to decreased maternal and fetal, immediate and long-term complications. Despite a wealth of basic and clinical research, there is no single approach to diagnose and treat diabetes during pregnancy. Desirable for our country is to seek uniformity of criteria in the screening and diagnosis of GDM and thus able to have our own casuistry. That is why the Venezuelan Society of Endocrinology and Metabolism has conceived the idea of a Manual of Gestational Diabetes, in collaboration with the Society of Obstetrics and Gynecology of Venezuela, the Venezuelan Society of Internal Medicine and specialists who make up the multidisciplinary care team high-risk pregnant formed with endocrinologists, internists, obstetricians, nutritionists, exercise physiologists and/or biologists exercise and neonatologist so that it can be used both at the primary level and areas of expertise. This manual will focus on prevention, screening, diagnosis, treatment and monitoring of Gestational Diabetes Mellitus and can serve as a basis for integrating health team to serve our patient.>>>
Sociedad Venezolana de Endocrinología y Metabolismo
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Sociedad de Obstetricia y Ginecología de Venezuela
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Sociedad Venezolana de Medicina Interna
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