[THE WORLDWIDE EPIDEMIC OF TYPE 2 DIABETES - CAUSES AND CONSEQUENCES]
JERMENDY György
FEBRUARY 21, 2006
Lege Artis Medicinae - 2006;16(02)
JERMENDY György
FEBRUARY 21, 2006
Lege Artis Medicinae - 2006;16(02)
[The prevalence of type 2 diabetes mellitus has recently dramatically increased worldwide. While many factors contribute to the startling data, including changes in the diagnostic criteria of glucose intolerance, increase of life expectancy, manifestation of diabetes at younger ages, and increased detection of unrecognized diabetes due to more efficient screening, the genuine, steep rise in the incidence of diabetes is explained by the increasing prevalence of obesity. Among the late complications of both diabetes and obesity, cardiovascular diseases are particularly important. Insulin resistance due to visceral obesity plays a central role in the pathomechanism of type 2 diabetes. In the prevention of both type 2 diabetes and obesity, non-pharmacological intervention such as life style changes should be considered first. Supplementary pharmacological treatment should target all cardiovascular risk factors.]
Lege Artis Medicinae
Lege Artis Medicinae
Lege Artis Medicinae
Lege Artis Medicinae
Clinical Neuroscience
The relationship among obstructive sleep apnea syndrome (OSAS), type 2 diabetes mellitus (DM2) and obesity is very complex and multi-directional. Obesity and increased visceral fat are important perpetuating factors for DM2 in patients with OSAS. On the other hand, OSAS itself leads to obesity by causing both leptin and insulin resistance as a consequence of activation of the sympathetic nervous system. Risk for developing DM2 further increases in patients with OSAS and obesity. Data regarding effects of positive airway pressure (PAP) therapy, gold standard treatment for OSAS, on glycemic control were inconsistent due to variability in duration of and adherence to PAP therapy. In our cohort study we investigated effects of PAP treatment on glucose metabolism in normal-weighted non-diabetic OSAS patients, in obese non-diabetic OSAS patients, and in OSAS patients with DM2. We prospectively analyzed 67 patients diagnosed with OSAS and documented to be effectively treated with PAP therapy for three months. Apnea-hypopnea index was highest in the diabetic group, being significantly higher than in the normal-weighted group (p=0.021). Mean HOMA values were significantly higher in obese (p=0.002) and diabetic group (p=0.001) than normal-weighted group; the differences were still significant after PAP therapy. HbA1c levels were significantly higher in diabetic group compared to those in normal-weighted (p=0.012) and obese (p=0.001) groups. After PAP treatment, decrease in HbA1c levels were significant in normal-weighted (p=0.008), obese (p=0.034), and diabetic (p=0.011) groups. There was no correlation with the change in HbA1c levels and age (p=0.212), BMI (p=0.322), AHI (p=0.098) or oxygen levels (p=0.122). Our study showed that treatment of OSAS by PAP therapy offers beneficial effect on glucose metabolism, not only in diabetic patients, but also in obese and normal-weighted OSAS patients. Although data regarding overall effects of PAP therapy on glycemic control present contradictory results in the literature, it should be emphasized that duration and adherence to PAP therapy were main determinants for beneficial outcome of treatment.
Lege Artis Medicinae
[There have been attempts to treat obesity with medicines for nearly 100 years, since the discovery of ephedrine. For decades amphetamine derivates and agents stimulating or inhibiting the release of noradrenaline and dopamine have been applied. However, most of theses drugs had to be gradually withdrawn, due to their adverse effects on the cardiovascular and central nervous system or their sympaticotonic effect. Dexfenfluramine (Isolipan), which was introduced in the 90s, did not have such side effects, but it turned out to potentially cause valvular heart disease. Finally, sibutramin (Reductil) was introduced, which again had to be withdrawn in 2010 due to its hypertensive and cardiovascular side effects. After all, we were left without any appetite-suppressant drugs. Orlistat therapy, (Xenical 120 mg, alli 60 mg - OTC), which inhibits the absorption of fat, can eliminate only 30% of the consumed food’s fat content, at the price of gastrointestinal side effects. The latest result of research carried out wordwide is that in 2012 the FDA approved commercial distribution of the selective 5HT2/c serotonin agonist lorcaserin (Belviq), which enhances satiety, in the USA. Unfortunately, in 2013 the EMEA temporarily postponed the lauch of this drug, until certain adverse effects are excluded. For diabetic patients, the GLP-1 agonist exenatid and the GLP-analog liraglutid, which can also reduce body weight, are available in the form of injections.]
Clinical Oncology
[The role of obesity in the development of cancer is well-known from ages. However, these days we witness the explosion-like increase of obesity, globally, but mainly in the economically advanced population, and, which is even more alarming, among youngsters. The prognosis of the obesity-related cancer is rather poor, therefore, the prevention, including the screening, have outstanding importance. Unfortunately, the participation of the obes persons, especially obes women, in these programs is very low. The diagnostics and therapies should consider the special features of obesity, which are related to the magnitude, distribution, composition of fatty tissue connected to the changes in pharmacokinetics. Moreover, the problems might be complicated with obesity-associated non-tumorous severe diseases (e.g. cardiovascular, diabetes type 2).This review covers different aspects of obesity-cancer relationships, with an emphasis on everyday oncology.]
Journal of Nursing Theory and Practice
Metabolic syndrome is constantly discussed, together with cancer diseases, as one of the biggest threats to the 21st century. Despite the differing indicators of specific diseases behind the metabolic syndrome, it is to be understood as a very risky aspect of health. Primary prevention through life style modifications, specifically reduction of the sedentary way of life and integration of regular physical activity into daily life of children, adults and seniors is an appropriate tool of prevention of metabolic syndrome. A number of valid studies show that increasing physical motion contributes to improvement of diseases that stand behind the metabolic syndrome. However, healthy adult population of the Czech Republic shows distinctive dislike of physical activity and primary prevention is insufficiently supported both by experts dealing with this issue and at political level while secondary prevention prevails. Therefore we consider it imperative to involve more funding into programs supporting physical activity. It is also necessary to explore forms of education within the physically active life style.
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Clinical Neuroscience
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