Revisión sistemática de la relación entre fatalismo y control glucémico en adultos con diabetes tipo 2 / Systematic review regarding the relationship between fatalism and glycemic control in adults with type 2 diabetes

Introducción: en la actualidad, la diabetes se considera una emergencia mundial debido al aumento de su prevalencia, posibles complicaciones y elevada mortalidad. Algunos factores culturales, como las creencias fatalistas, pueden representar una barrera para su control. Objetivo: revisar la evidencia científica disponible de la relación entre el fatalismo y el control glucémico en adultos con diabetes tipo 2. Metodología: se realizó una búsqueda en EBSCO Academic Search Complete, Science Direct, Web of Science, Pubmed, Springer, Redalyc, Latindex, Mediclatina y Fuente Académica vía EBSCO, delimitada a 10 años (2008-2018). Se utilizaron los descriptores DeCS y MeHS y la búsqueda de los estudios se efectuó en español e inglés. Los estudios se evaluaron para su validez a través de la guía para estudios analíticos transversales del Joanna Briggs Institute Critical Appraisal. Resultados: de 275 resultados que arrojó la búsqueda, se seleccionaron cinco estudios correlacionales-transversales, publicados en inglés en Estados Unidos, Líbano, Turquía e Israel, que incluyeron entre 130 y 615 pacientes con diagnóstico (5-14.4 años) de diabetes tipo 2. La evidencia disponible sugiere que existe una relación entre el fatalismo y el control glucémico. Conclusión: la relación entre el fatalismo y el control glucé-mico en adultos con diabetes tipo 2 es compleja y represen- ta en pacientes fatalistas una barrera para el control de la enfermedad.

Introduction: Diabetes is currently considered a worldwide emergency due to its increased prevalence, possible complications, and high mortality. Some cultural factors, such as fatalistic beliefs, may represent a barrier to diabetes control. Objective: Review scientific evidence avaible on the relationship between fatalism and glycemic control in adults with Type 2 Diabetes. Methods: A search was carried out in EBSCO Academic Search Complete, Science Direct, Web of Science, Pubmed, Springer, Redalyc, Latindex, Mediclatina y Fuente Académica EBSCO, limited to ten years (2008-2018). DeCS and MeHS descriptors were used, the search for studies was in Spanish and English. The studies were evaluated for validity through the Joanna Briggs Institute Critical Assessment guide for cross-sectional analytical studies. Results: The information query delivered 275 results and 5 from these studies were included. These are correlational-cross-sectional studies, published in English, from countries such as The United States of America, Lebanon, and Israel, which studied between 130 and 615 patients with diagnosis of T2D (between 5 and 14.4 years). Available evidence suggests that there is a relationship between fatalism and glycemic control. Conclusion: The relationship between fatalism and glycemic control in adults with Type 2 Diabetes is complex and represents, in more fatalistic patients, a barrier to disease control.

Los wixáritari con diabetes mellitus y sus vínculos con la enfermedad: desde la aparición del síntoma hasta una primera explicación / Wixáritari with diabetes mellitus and their links with the disease: From the appearance of the symptom to a first explanation

RESUMEN Se recuperó el proceso de construcción del esquema conceptual, referencial y operativo (ECRO) de los wixáritari sobre la diabetes mellitus tipo 2 en una comunidad de Jalisco, México, desde la aparición del primer síntoma hasta una posible explicación de la enfermedad. Se realizó un estudio cualitativo con el método fenomenológico a partir de entrevistas en profundidad para la recolección de información. Se contó con siete participantes. Los datos se procesaron con el método de análisis del discurso de Bajtín, a partir de la teoría del vínculo de Pichon-Rivière. Se encontró que el wixárika con diabetes construye su esquema conceptual, referencial y operativo durante un periodo de tres a cinco años, a partir de tres vínculos: los síntomas en el cuerpo, la explicación del wixárika a sus síntomas, y las explicaciones del espacio social a su enfermedad. El wixárika construye una serie de vínculos y un esquema conceptual, referencial y operativo que le permite validar una explicación de lo que experimenta en el cuerpo, en medio de un proceso confrontativo y doloroso, lleno de afirmaciones y negaciones hasta llegar a una síntesis, que le permita comprender su situación e instrumentar una conducta para el cuidado de su salud.

ABSTRACT This article explores the process of construction of the conceptual, referential and operative schema among the wixáritari population regarding type 2 diabetes mellitus in a community of Jalisco, Mexico, from the appearance of the first symptom to a possible explanation of the disease. This is a qualitative study performed with the phenomenological method using in-depth interviews to collect information. There were seven participants. The data was processed with Bakhtin's discourse analysis, based on Pichon Rivière's theory of the link. It was found that the wixáritari population with diabetes develop their conceptual, referential and operative schema over a period of three to five years, based on three links: the symptoms in the body, the explanation the wixáritari give regarding their symptoms, and the explanations of the social space of the disease. The wixáritari develop a series of links and conceptual, referential and operative schema that allow them to validate an explanation of what they experience in their body, in a confrontational and painful process full of affirmations and denial until reaching a synthesis that allows them to achieve a full understanding of their situation and implement behaviors to care for their health.

Risco de desenvolvimento do diabetes tipo 2 em enfermeiras e sua relação com alterações metabólicas / Detection of risk for type 2 diabetes and its relationship with metabolic alterations in nurses / Detección de riesgo de diabetes tipo 2 y su relación con alteraciones metabólicas en enfermeras

Objetivo: identificar o risco de desenvolvimento de diabetes tipo 2 em enfermeiras e sua relação com as alterações metabólicas. Método: estudo transversal, com 155 enfermeiras. As variáveis investigadas foram: sociodemográficas, índice de massa corporal, a circunferência da cintura, índice cintura-quadril, perfil lipídico, a glicemia basal e a curva oral de tolerância à glicose. Para a coleta de dados utilizou-se o Finnish Diabetes Risk Score. Resultados: Das 155 (100%) enfermeiras, a média de idade foi de 44 anos e 85% apresentavam sobrepeso ou obesidade; 52% tinham história familiar de diabetes e 21%, hiperglicemia ocasional. Em relação ao risco, 59% foram identificados com risco moderado e muito alto de diabetes tipo 2. A glicose, a insulina, a hemoglobina glicosilada A1c e a resistência à insulina aumentaram paralelamente ao aumento do risco de diabetes tipo 2, embora os lipídios não tenham aumentado. 27% das participantes apresentaram glicemia em jejum alterada, 15%, intolerância à glicose e 5%, diabetes tipo 2. Conclusão: houve uma elevada taxa de detecção de risco de diabetes tipo 2 (59%) e a pontuação de risco alto e muito alto foi associado com níveis elevados de hemoglobina glicosilada A1c, glicose, insulina e resistência à insulina, mas não com lipídios.

Objective: to detect the risk of development of type 2 diabetes in nurses and its relationship with metabolic alterations. Method: cross-sectional study, with 155 nurses. The variables investigated were: sociodemographic, body mass index, waist circumference, waist-hip index, lipid profile, basal glycemia and oral glucose tolerance curve. The Finnish Diabetes Risk Score was used to collect data. Results: 155 nurses were included, with an average age of 44 years and 85% were overweight or obese. 52% had a family history of diabetes and 21% had occasional hyperglycemia. With respect to the risk, 59% were identified with moderate and very high risk for type 2 diabetes. Glucose, insulin, glycosylated hemoglobin A1c and insulin resistance increased in parallel to the increased risk for type 2 diabetes, although lipids did not increase. 27% of the sample had impaired fasting glycemia. 15% had glucose intolerance and 5% had type 2 diabetes. Conclusion: there was a high detection rate of people at risk for type 2 diabetes (59%) and the high and very high risk score was associated with high levels of glycosylated hemoglobin A1c, glucose, insulin and insulin resistance, but not with lipids.

Objetivo: identificar el riesgo de desarrollo de diabetes tipo 2 en enfermeras y su relación con alteraciones metabólicas. Método: estudio transversal, con 155 enfermeras. Las variables investigadas fueron: sociodemográficas, el índice de masa corporal, circunferencia de cintura, índice cintura-cadera, perfil de lípidos, glucemia basal y curva de tolerancia oral a la glucosa. Para la recolección de datos se utilizó el Finnish Diabetes Risk Score. Resultados: De las 155 enfermeras, la edad promedio fue 44 años y 85% tenía sobrepeso u obesidad. El 52% tenía antecedentes familiares de diabetes de primera línea, el 21% hiperglucemia ocasional. Con relación al riesgo, se identificaron 59% con riesgo de diabetes tipo 2 moderado y muy alto. Glucosa, insulina, hemoglobina glucosa A1c y la resistencia a la insulina incrementaron paralelos al aumento del riesgo de diabetes tipo 2, aunque los lípidos no. El 27% de las enfermeras presentó glucemia basal alterada. El 15% tuvo intolerancia a la glucosa y 5% diabetes tipo 2. Conclusión: la detección de riesgo de diabetes tipo 2 fue elevada (59%) y el puntaje de riesgo alto y muy alto se relacionó con valores mayores de hemoglobina glucosa A1c, glucosa, insulina y resistencia a la insulina pero no con lípidos.

Type 2 diabetes-associated genetic variants of FTO, LEPR, PPARg, and TCF7L2 in gestational diabetes in a Brazilian population

ABSTRACT Objective Gestational diabetes mellitus (GDM) is a metabolic disorder that shares pathophysiologic features with type 2 diabetes mellitus. The aim of this study was to investigate the association of the polymorphisms fat mass and obesity-associated (FTO) rs1421085, leptin receptor (LEPR) rs1137100, rs1137101, peroxisome proliferator-activated receptor gamma (PPARg) rs1801282, and transcription factor 7-like 2 (TCF7L2) rs7901695 with GDM. Subjects and methods 252 unrelated Euro-Brazilian pregnant women were classified into two groups according to the 2015 criteria of the American and Brazilian Diabetes Association: healthy pregnant women (n = 125) and pregnant women with GDM (n = 127), matched by age. The polymorphisms were genotyped using fluorescent probes (TaqMan®). Results All groups were in Hardy-Weinberg equilibrium. The genotype and allele frequencies of the studied polymorphisms did not show significant differences between the groups (P > 0.05). In the healthy and GDM groups, the C allele frequencies (95% CI) of the FTO rs1421085 polymorphism were 36.8% [31-43%] and 35.0% [29-41%]; the G allele frequencies (95% CI) of the LEPR rs1137100 polymorphism were 24.8% [19-30%] and 22.8% [18-28%]; the G allele frequencies (95% CI) of the LEPR rs1137101 polymorphism were 43.6% [37-50%] and 42.9% [37-49%]; the G allele frequencies (95% CI) of the PPARg rs1801282 polymorphism were 7.6% [4-11%] and 8.3% [5-12%]; and the C allele frequencies (95% CI) of the TCF7L2 rs7901695 polymorphism were 33.6% [28-39%] and 39.0% [33-45%], respectively. Conclusion The studied polymorphisms were not associated with GDM in a Brazilian population.

Atribución de malos tratos en servicios de salud a discriminación y sus consecuencias en pacientes diabéticos mapuche / Healthcare mistreatment attributed to discrimination among mapuche patients and discontinuation of diabetes care

Background: The negative impact of perceived discrimination on health outcomes is well established. However, less attention has been directed towards understanding the effect of perceived discrimination on health behaviors relevant for the treatment of diabetes in ethnic minorities. Aim: To examine the effects of healthcare mistreatment attributed to discrimination on the continuity of Type 2 Diabetes (DM2) care among mapuche patients in a southern region of Chile. Material and Methods: A non-probabilistic sample of 85 mapuche DM2 patients were recruited from public and private health systems. Eligibility criteria included having experienced at least one incident of interpersonal healthcare mistreatment. All participants answered an instrument designed to measure healthcare mistreatment and continuity of diabetes care. Results: Healthcare mistreatment attributed to ethnic discrimination was associated with the discontinuation of diabetes care. Conclusions: Healthcare mistreatment attributed to discrimination negatively impacted the continuity of diabetes care, a fact which may provide a better understanding of health disparities in ethnic minorities.

Design of an allele-specific PCR assay to genotype the rs12255372 SNP in a pilot study of association between common TCF7L2 polymorphisms and type 2 diabetes in Venezuelans

Objective The global burden of diabetes mellitus will impact strongly American countries in the coming decades. Type 2 diabetes mellitus (T2DM) is a multifactorial disease and the basis for its genetic susceptibility remains not fully understood. Different population studies have demonstrated that variants of the TCF7L2 gene are strongly associated with an increased risk of T2DM. Moreover, institutions or countries with limited budget to conduct genetic research need cost effective methods for detecting DNA variants. Subjects and methods We standardized a rapid and simple allele-specific PCR method for genotyping the rs12255372 single nucleotide polymorphism (SNP) in a pilot study exploring the association of three TCF7L2 polymorphisms (rs7903146, rs12255372 and DG10S478) with T2DM in 70 patients and 73 controls from Venezuela. Results The performance of the designed allele-specific PCR reaction for rs12255372 genotyping was reliable and accurate. Patients carrying the TCF7L2 rs7903146 T allele (CT + TT genotypes) and heterozygous CT genotype had a significantly higher risk for T2DM (OR = 2.9 and 2.3, respectively). Although rs12255372 and DG10S478 risk alleles predominated in T2DM group no statistical significance was found. Conclusions We developed a novel allele-specific PCR method for easier and rapid detection of rs12255372 polymorphism without the use of expensive instrumentation and reagents. Our study in a relatively small sample of the Venezuelan population replicated the association of the rs7903146 SNP with T2DM. Further studies with larger sample size and more biochemical data should be conducted to explore the genetic basis of T2DM susceptibility in Venezuela.

Effects of resistance training on metabolic profi le of adults with type 2 diabetes.

Background & objectives: The number of diabetes in India is increasing at an alarming rate. The effects of physical activity in the form of resistance training or aerobic exercises on type 2 diabetes have not been studied in Indian population. The objective of this study was to analyse the effects of eight weeks of progressive resistance training (PRT) compared with aerobic exercise (AE) on glycaemic control, metabolic profi le, cardiovascular fi tness parameters and general well being in adults with type 2 diabetes. Methods: Thirty adults (14 females and 16 males mean; age 53.8 ± 8.8 yr) with type 2 diabetes were randomly assigned to 8 wk supervised PRT (n=10) or AE (n=10) or control group (n=10). Glycosylated haemoglobin (HbA1c), lipid profi le, blood pressure, heart rate, body mass index (BMI) and general well being were measured before training (i.e. 0 wk) and after 8 wk of training period. Results: Plasma glycosylated haemoglobin levels decreased signifi cantly : signififi (P<0.05) both in the PRT group (7.57 ± 2.4% to 6.23 ± 0.8%) and in AE group (8.11±0.9% to 6.66 ± 0.9%).Total cholesterol levels decreased signifififi cantly (P<0.05) by 13.3 per cent in PRT group and by 6.1 per cent in AE group. Both exercise groups showed signifififi cantly reduction in systolic blood pressure (P<0.05). General well being improvement was much more in PRT (8.6%) as compared to AE group (2.7%). Interpretation & conclusions: Our fi ndings showed that both PRT and AE were effective in improving metabolic profi le of adults with type 2 diabetes but the percentage improvement in triglycerides, total cholesterol levels and general well being with PRT was more compared to AE. Further studies on a larger sample need to be done to confirm these findings.

The Clinical Characteristics of Normoalbuminuric Renal Insufficiency in Korean Type 2 Diabetic Patients: A Possible Early Stage Renal Complication

It has been recently reported that a considerable portion of diabetic patients with renal insufficiency show normoalbuminuria. As little is known about normoalbuminuric renal insufficiency in the Asian population, we examined its prevalence and clinical characteristics in Korean type 2 diabetic patients. We studied 562 patients with type 2 diabetes from Seoul National University Hospital. The estimated glomerular filtration rate (eGFR) was calculated by the Modification of Diet in Renal Disease formula and the degree of albuminuria was evaluated by spot urine albumin-creatinine ratio. Of 562 patients, 151 (26.9%) patients had renal insufficiency (eGFR <60 mL/min/ 1.73m(2)). Among them, 44 (29.1%) patients had normoalbuminuria. After excluding the patients using renin-angiotensin system (RAS) inhibitors, the prevalence of normoalbuminuric renal insufficiency was 35.3% (18 of 51 patients). Compared with microand macroalbuminuric renal insufficiency, normoalbuminuric renal insufficiency was associated with the female predominance, shorter duration of diabetes, lower prevalence of diabetic retinopathy, and lower prevalence of using antihypertensive drugs except RAS inhibitors. The prevalence decreased progressively with an increase in the duration of diabetes and an increase in the severity of retinopathy. Normoalbuminuric renal insufficiency was prevalent in Korean type 2 diabetic patients. The association with a shorter duration of the diabetes and a lower prevalence of retinopathy suggests that it might be an early stage renal complication.

Prevalence & potential significance of vitamin D deficiency in Asian Indians.

Studies from our center and other parts of India have drawn attention towards wide prevalence of vitamin D deficiency (VDD) in our country. VDD has been reported in all age groups including toddlers, school children, pregnant women and their neonates and adult males and females residing in rural and urban India. We reviewed implications of VDD in our population based on the preliminary data available from Indian studies on skeletal health. Besides, a brief review is made on the importance of VDD in various other disorders prevalent in equivalent proportions among Indians such as type 2 diabetes mellitus (DM), cardiovascular diseases (CVD), immune competence including relation to tuberculosis, malignancy and osteoarthritis. Data from the West have also associated VDD with increased prevalence of type 2DM, CVD, autoimmune disorders, tuberculosis, prostate, breast and colon malignancy and osteoarthritis. Such association has not been studied to date in our country. Overall results of various studies conducted to date in urban and rural Indians indicate that widely prevalent VDD is functionally relevant to skeletal health including osteomalacia and rickets. However, there is a need to explore its association with osteoporosis related fractures and various other non skeletal disorders linked with VDD.

The K121Q Polymorphism in ENPP1 (PC-1) Is Not Associated with Type 2 Diabetes or Obesity in Korean Male Workers

Type 2 diabetes is characterized by insulin resistance, and ENPP1 plays an important role in insulin resistance. We investigated the association of the ENPP1 K121Q polymorphism with both diabetes and obesity (body mass index [BMI]) in Korean male workers. The study design was case-control. Subjects were 1,945 male workers (type 2 diabetes, 195; non-diabetes, 1,750) of nuclear power plants who received examinations from March to October in 2004. We collected venous blood samples under fasting (> or =8 hr) conditions, calculated BMI by height and weight, and assessed relevant biochemical factors. The results of this study demonstrated that the ENPP1 121Q genotype (KQ+QQ types) was not associated with type 2 diabetes (odds ratios [OR], 0.854; 95% confidence interval [CI], 0.571-1.278) or obesity (OR, 0.933; 95% CI, 0.731-1.190). In addition, the frequency of the Q allele was not related to type 2 diabetes (OR, 0.911; 95% CI, 0.630-1.319) or obesity (OR, 0.962; 95% CI, 0.767-1.205). We concluded that the ENPP1 121Q allele is not a critical determinant for either diabetes or obesity in Korean males. The discordance between the results of this study and those derived from studies of Dominican, South Asian, Caucasian, Finnish, and French populations might be due to differences in genetic backgrounds between these populations.

Developing a culturally valid and reliable quality of life questionnaire for diabetes mellitus

The aim of this study was to design a culturally adapted questionnaire for studying quality of life [QOL] among type 1 and 2 adult diabetes patients in the Islamic Republic of Iran. The 41 items on the questionnaire were based on qualitative research and covered general and health-related QOL. In a descriptive survey, 104 patients completed the questionnaire; 68 [65.4%] were female. Mean age was 50.5 years [standard deviation 12.8]. Most patients [86.5%] had type 2 diabetes. Cronbach's alpha coefficient for the questionnaire was 0.98. The questionnaire successfully distinguished the lower QOL of patients suffering from pain in the limbs, loss of appetite, fatigue, constipation and itching. The questionnaire could determine both general and health-related QOL

Association of Polymorphisms in Monocyte Chemoattractant Protein-1 Promoter with Diabetic Kidney Failure in Korean Patients with Type 2 Diabetes Mellitus

Monocyte chemoattractant protein-1 (MCP-1) is suggested to be involved in the progression of diabetic nephropathy. We investigated the association of the -2518 A/G polymorphism in the MCP-1 gene with progressive kidney failure in Korean patients with type 2 diabetes mellitus (DM). We investigated -2518 A/G polymorphism of the MCP-1 gene in type 2 DM patients with progressive kidney failure (n=112) compared with matched type 2 DM patients without nephropathy (diabetic control, n=112) and healthy controls (n=230). The overall genotypic distribution of -2518 A/G in the MCP-1 gene was not different in patients with type 2 DM compared to healthy controls. Although the genotype was not significantly different between the patients with kidney failure and the diabetic control (p=0.07), the A allele was more frequent in patients with kidney failure than in DM controls (42.0 vs. 32.1%, p=0.03). The carriage of A allele was significantly associated with kidney failure (68.8 vs. 54.5%, OR 1.84, 95% CI 1.07-3.18). In logistic regression analysis, carriage of A allele retained a significant association with diabetic kidney failure. Our result shows that the -2518 A allele of the MCP-1 gene is associated with kidney failure in Korean patients with type 2 DM.

Development of a reliable and valid psychosocial measure of self-perception of health in type 2 diabetes.

OBJECTIVES: The aim was to develop a reliable and valid psychosocial measure of self-perception of health in type 2 diabetes. METHODS: Item analysis and factor analyses were done in order to stabilize and establish principal components of the questionnaire. Reliability (internal consistency aspect) was established using Chronbach's alpha method. Concurrent and discriminant validities were established using conventional methods. RESULTS: Factor analysis yielded 12 significant factors (eigen value > or =1), but first six components were retained based on Scree test. These six principal varimax factors explain 49.7% of variance of psychosocial measure of self-perception of health. CONCLUSIONS: The final version after all these psychometric procedures had 27 items with six principal components. They were appropriately named as follow: (I) Positive self-feeling; (II) Sociality; (III) Attention seeking; (IV) Feel healthy; (V) Worry about health; (VI) Dependence. Total variance explained is 49.7%.

Angiotensin-I converting enzyme gene polymorphism in Turkish type 2 diabetic patients

Non-insulin dependent diabetes mellitus is often associated with some complications such as nephropathy, retinopathy and neuropathy. Genes of the renin angiotensin system are potential candidate genes for diabetic complications. We investigated the relationship between angiotensin converting enzyme (ACE) gene polymorphism in type 2 diabetic patients with and without diabetic nephropathy. Seventy five patients (25 type 2 diabetic patients with nephropathy, 50 type 2 diabetic patients without nephropathy) and 37 healthy controls were studied. Gene polymorphism of ACE was determined by PCR (polymerase chain reaction) amplification using allele-spesific primers. The frequencies of ACE DD, ID and II genoypes among the patients with type 2 diabetic patients were found 48%, 42%, 10% whereas in control subjects, 27%, 60%, 13% respectively. Type 2 diabetic patients carrying DD genotype without nephropathy increased 1.77 fold than control subjects (P < 0.05). There is no significant correlation between diabetic nephropathy and ACE gene polymorphism. But we found that ACE DD genotype increased significantly in type 2 diabetic patients compared to control subjects (P < 0.05).

La prevalencia de la diabetes mellitus no dependiente de insulina y factores de riesgo asociados, en población mazateca del estado de Oaxaca, México / The prevalence and risk factors of non-insulin dependent diabetes mellitus

La ocurrencia de diabetes mellitus no dependiente de insulina se ha incrementado en la segunda mitad de este siglo en la población mexicana, al igual que en otras del orbe. Los indios americanos son uno de los grupos con mayor prevalencia de la enfermedad, pero son pocos los estudios que han investigado su ocurrencia en la población indígena mexicana. Con el fin de estimar la prevalencia de diabetes en una comunidad indígena mazateca, así como los factores de riesgo relacionados, se realizó un estudio transversal en Huautla, Oaxaca. Se estudiaron 798 sujetos de los cuales 16 fueron diabéticos para una prevalencia de 2.01 por ciento. La prevalencia se incrementó con la edad, pero a partir de los 65 años se observó un descenso, sobre todo en las mujeres. La prevalencia fue un poco mayor en las mujeres (2.2 por ciento) que en los hombres (1.6 porciento). Se observó una relación con la obesidad, la distribución de la grasa corporal, los antecedentes familiares y la hipertensión arterial. La prevalencia observada es relativamente baja, comparándola con la notificada a nivel nacional, pero en algunos grupos de edad su ocurrencia es similar a la del medio urbano. Se requiere acciones de intervención en la población indígena mexicana para evitar una epidemia de las características observadas en los indios norteamericanos