Diabetes distress in a Barbadian population with type 2 diabetes: A pilot test.

Unlabelled: One in five Barbadians has diabetes, suggesting that there is a severe burden of the disease.

Objective: To assess the psychometric properties of the Diabetes Distress Scale, in order to determine the feasibility, practicality, internal consistency and criterion validity of the instrument when used with Barbadians living with Type 2 Diabetes.

Methods: Patients with type 2 diabetes, ( = 106.

Diabetes distress in Barbadian adults with type 2 diabetes.

Purpose: Psychological disorders such as diabetes distress may negatively influence how patients effectively manage their illness. Therefore, discernment of such influential psychosocial components could be pertinent in promoting competent diabetes management. The vital psychosocial aspect of diabetes distress in diabetes management within the Caribbean context remains unexplored.

Self-care adherence and affective disorders in Barbadian adults with type 2 diabetes.

Purpose: Diabetes management requires adherence to complicated self-care behaviors. Therefore, the emotional state of the individual living with diabetes, is likely to affect their ability to comply with recommendations. This study explored the relationship of self-care adherence to diabetes distress and depression in Barbadian adults with type 2 diabetes.

Depression in Barbadian adults with type 2 diabetes.

Purpose: The aim of this study was to explore the frequency and distribution of depression in Barbadian adults with type 2 diabetes.

Methods: Adults aged 20-80 years with type 2 diabetes, completed a cross-sectional survey comprised of, a profile section, and the standardized questionnaire; the Patient Health Questionnaire (PHQ-9). Additionally, biological (HbA1c and blood pressure) measurements were collected.

Decreased Prevalence of Diabetes Mellitus in Jamaica.

The purpose of this paper is to report the dramatic changes in the point prevalence of diabetes mellitus in the adult population of Jamaica following education intervention. The initial prevalence in the 15-and-over age group was determined by a two-stage stratified random sampling design in 1993. In 1997, the University of the West Indies Diabetes Outreach Project thru its public service arm, the Diabetes Association of Jamaica, developed and implemented a Peer Facilitators Diabetes Education Programme.

A cross-sectional study of Jamaican adolescents' risk for type 2 diabetes and cardiovascular diseases.

Objectives: To compare obese versus non-obese Jamaican adolescents' risk for type 2 diabetes (T2D) and cardiovascular diseases (CVDs); and to explore a suitable and economical method of screening for these risk factors in the school settings.

Design: A descriptive cross-sectional study of adolescents' risk for T2D and CVD. All the participants were examined at their respective schools.

Dyslipidaemia in hypertensive obese type 2 diabetic patients in Jamaica.

Introduction: Hypertension and obesity are common problems among diabetic patients accelerating progression of vascular diabetic complications.

Materials And Methods: A two-stage stratified random sampling design was used, and individuals aged 15 years and over were interviewed. This cross-sectional study evaluated lipid abnormalities of 117 obese type 2 diabetic patients (28 males and 89 females), and 56 hypertensive obese type 2 diabetic patients (22 males and 34 females).

Lipid profile of type 2 diabetic and hypertensive patients in the jamaican population.

Aims: Previous studies have shown that diabetes mellitus (DM) increases the risk of cardiovascular diseases in females to a greater extent than in males. In this cross-sectional study, we evaluated the lipid profiles of type 2 diabetic males and females.

Materials And Methods: The study included 107 type 2 diabetic patients (41 males and 66 females), and 122 hypertensive type 2 diabetic patients (39 males and 83 females), aged 15 years and older.

A preliminary report on an assessment of a community-based intervention for diabetes control in adults with type 2 diabetes.

Objective: The aim of this study was to evaluate the effectiveness of lay diabetes facilitators (LDFs) to increase knowledge and improve control among persons with diabetes. Methodology. A prospective cohort study was conducted among persons with diabetes in 16 health care centres in Jamaica to evaluate the effect of LDFs on glycaemia [haemoglobin A1c (HbA1c)] and body mass index (BMI).

A comparison of the new international diabetes federation definition of metabolic syndrome to WHO and NCEP definitions in Chinese, European and South Asian origin adults.

Objectives: To compare the prevalence, agreement and phenotypic characteristics in three ethnic groups of the new International Diabetes Federation (IDF) definition of metabolic syndrome (MS) to the World Health Organization (WHO) and national cholesterol education program (NCEP) definitions.

Setting: Newcastle upon Tyne, England.

Design: Cross-sectional surveys.

Acute impairment of insulin signalling by dexamethasone in primary cultured rat skeletal myocytes.

In this study, we examined the cellular content of the insulin receptor substrate (IRS)-1, the levels of phosphorylated tyrosine (pY) and serine (pS) residues in IRS-1, and the glucose transporters GLUT-1 and GLUT-4 in primary cultured rat skeletal myocytes treated with the glucocorticoid, dexamethasone. Dexamethasone markedly increased basal and insulin-stimulated IRS-1 content 4 to 5-fold (p < 0.01).

Modulation of glucose uptake in adipose tissue by nitric oxide-generating compounds.

There is increasing evidence that endogenous nitric oxide (NO) influences adipogenesis, lipolysis and insulin-stimulated glucose uptake. We investigated the effect of NO released from S-nitrosoglutathione (GSNO) and S-nitroso-N-acetylpenicillamine (SNAP) on basal and insulin-stimulated glucose uptake in adipocytes of normoglycaemic and streptozotocin (STZ)-induced diabetic rats. GSNO and SNAP at 0.

Increased PC-1 phosphodiesterase activity and inhibition of glucose uptake in adipocytes of type 2 diabetic rats.

This study was designed to understand the cellular mechanisms responsible for defects in the insulin-stimulated signal transduction pathway in a type 2 diabetic animal model. We examined the in vitro PC-1 phosphodiesterase activity and glucose uptake in adipose tissue of streptozotocin (STZ)-induced type 2 diabetic rats. The PC-1 activity was significantly increased in adipose tissue of diabetic rats (0.

The Unitarian Hypothesis for the aetiology of diabetes mellitus.

Over the years, several clinical syndromes have been described in diabetes mellitus. Although world opinion has settled somewhat on the main two types, the debate continues as to how the 'formes frustes' syndromes fit in and what if any implications there are for the accepted aetiology of the disease. Type 1, insulin dependent diabetes mellitus, results from pancreatic inadequacy as a result of a variety of insults such as autoimmune attack, toxic damage, etc.

Nitric oxide agents impair insulin-mediated signal transduction in rat skeletal muscle.

Background: Evidence demonstrates that exogenously administered nitric oxide (NO) can induce insulin resistance in skeletal muscle. We have investigated the modulatory effects of two NO donors, S-nitroso-N-acetyl-D, L-penicillamine (SNAP) and S-nitrosoglutathione (GSNO) on the early events in insulin signaling in rat skeletal myocytes.

Results: Skeletal muscle cells from 6-8 week old Sprague-Dawley rats were treated with SNAP or GSNO (25 ng/ml) in the presence or absence of glucose (25 mM) and insulin (100 nM).

Exogenous nitric oxide inhibits IRS-1 expression in rat hepatocytes and skeletal myocytes.

Accumulative evidence has supported the role of nitric oxide (NO) in a variety of normal physiological functions as well as many pathological conditions. In this study, we examined the possible diabetogenicity of NO by measuring the expression of the insulin receptor substrate (IRS)-1 in rat hepatocytes and skeletal myocytes. IRS-1 is important in the insulin-mediated signal transduction pathway in both liver and skeletal muscle.

Acute effects of exogenous nitric oxide on glucose uptake in skeletal muscle of normoglycaemic and diabetic rats.

Background: The role of nitric oxide (NO) in the modulation of basal and insulin-stimulated glucose uptake remains controversial. The aim of this study was to investigate the role of NO released from its donors, S-nitrosoglutathione (GSNO) and S-nitroso-N-acetylpenicillamine (SNAP), on glucose uptake in skeletal muscle of normoglyceamic and type 2 diabetic rats.

Material/methods: Skeletal muscle strips of type 2 diabetic and normoglycaemic Sprague-Dawley rats were incubated with or without various concentrations (200 microM, 500 microM, 1000 microM, 10 mM & 20 mM) of SNAP or GSNO in the presence or absence of insulin (100 nM or 10 microM).

The effect of annatto on insulin binding properties in the dog.

Various plants are used in Caribbean folklore for the treatment of a variety of illnesses including diabetes mellitus. Preliminary investigations of several crude plant extracts have indicated that the annatto (Bixa orellana), among others, does in fact exhibit hypoglycaemic properties. This present investigation sought to isolate the hypoglycaemic principle(s) from the crude extract and to determine the mechanism of action.

The effect of nitric oxide on glucose metabolism.

Nitric oxide (NO) is an important bioactive signaling molecule that mediates a variety of normal physiological functions, which, if altered, could contribute to the genesis of many pathological conditions, including diabetes. In this study, we examined the possible diabetogenicity of NO by noting differences in the cellular binding of insulin in dogs treated with the NO donor, S-nitrosoglutathione (GSNO) compared to captopril-treated controls. GSNO administration resulted in an abnormality in glucose metabolism which was attributed to decreased binding of insulin to its receptor on the cell membrane of mononuclear leucocytes, 11.

The effect of nitric oxide on glucose metabolism.

Nitric oxide (NO) is an important bioactive signaling molecule that mediates a variety of normal physiological functions, which, if altered, could contribute to the genesis of many pathological conditions, including diabetes. In this study, we examined the possible diabetogenicity of NO by noting differences in the cellular binding of insulin in dogs treated with the NO donor, S-nitrosoglutathione (GSNO) compared to captopril-treated controls. GSNO administration resulted in an abnormality in glucose metabolism which was attributed to decreased binding of insulin to its receptor on the cell membrane of mononuclear leucocytes, 11.

Isolation and purification of the hypoglycaemic principle present in Capsicum frutescens.

Capsicum frutescens has been used to treat diabetes mellitus by traditional healers in Jamaica. Purification experiments employing thin layer chromatography (TLC) and high performance liquid chromatography led to the extraction of the active principle, capsaicin. Purified capsaicin caused a decrease in blood glucose levels to 4.

Obesity in the Caribbean: the Jamaican experience.

Aim: This study was designed to investigate the point prevalence and pattern of obesity in the Jamaican adult population.

Methods: A two-stage-stratified random sampling design was used, and individuals aged 15 years and over were interviewed. In addition, anthropometric measurements were performed.

The enhancement of the hyperglycemic effect of S-nitrosoglutathione and S-nitroso-N-acetylpenicillamine by vitamin C in an animal model.

Background: S-nitrosoglutathione (GSNO) and S-nitroso-N-acetlypenicillamine (SNAP) are two of the most common sources of nitric oxide (NO) in the biomedical field. Vitamin C has been known to accelerate the decomposition of GSNO and SNAP increasing the release and availability of NO which is cytotoxic at non-physiological concentrations. The study investigates any potential detrimental effect of vitamin C and GSNO, vitamin C and SNAP on glucose metabolism in normotensive and normoglycemic dogs.

The Jamaican hypertension prevalence study.

This study was designed to investigate the prevalence of hypertension in Jamaica. Jamaica has an area of 4,411 square miles and is divided into 14 parishes. The visited districts were randomly selected.