Coping with type II diabetic patients is increasingly posing large financial burdens, sorely felt especially by growing economies. Self-management has been found to be an effective approach towards maintaining good control in diabetics. However, although efforts at implementing self-management have had initial success, there has been a lack of sustainability. This review examines the different components impinging on self-care among type II diabetic patients. These include the critical role of social support, the need for support from health care providers, the value of support from family and friends, the influence of sex and cultural factors in self-care behavior, the benefits of peer support, and the role of literacy in diabetes self-care. Despite the mounting evidence for the effectiveness of social support in diabetes care, and the various stakeholders including this in their clinical guidelines, there has only been a lukewarm response from policy-makers towards ensuring its implementation. Hence, more effort is required from health care providers in moving away from just understanding the effects of new drugs and subsequently putting their patients on these drugs, and going back to the basics of communicating with the patients, understanding their woes, and helping to motivate/empower their patients. This paper analyzes the various components of social support, their influence on diabetes self-care, and how health care providers can help in this process.
Measurement of endothelial function in patients has emerged as a useful tool for cardiovascular research. Although no gold standard for the measurement of endothelial function exists, the measurement of flow-mediated dilation in the brachial artery, assessed with Doppler ultrasonography, is the most studied method. However, the assumption that endothelial dysfunction detected in brachial arteries is a manifestation of systemic endothelial dysfunction including the coronary circulation may not be entirely valid. Brachial and myocardial circulations differ in terms of the microvascular architecture, the pattern of blood flow and vascular resistance (e.g. shunt vessels occur in the hand but not in the myocardium), their metabolic regulation, type of receptors that contribute to humoral regulation and the pathways that are activated to induce hyperaemia. In this context, measuring coronary vasomotor function may be more useful than brachial artery measures to predict and assess potential myocardial damage related to limited vascular responsiveness. This review aims to provide an overview of the basic concept of coronary flow reserve and its different modalities of measurement, as well as its utility in cardiovascular research.
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