XI. STRATEGIES FOR IMPROVING DIABETES CARE D iabetes is a chronic illness that requires continuing medical care and patient self-management education to prevent acute complications and to reduce the risk of long-term complications. Diabetes care is complex and requires that many issues, beyond glycemic control, be addressed. A large body of evidence exists that supports a range of interventions to improve diabetes outcomes. These standards of care are intended to provide clinicians, patients, researchers, payors, and other interested individuals with the components of diabetes care, treatment goals, and tools to evaluate the quality of care. While individual preferences, comorbidities, and other patient factors may require modification of goals, targets that are desirable for most patients with diabetes are provided. These standards are not intended to preclude more extensive evaluation and management of the patient by other specialists as needed. For more detailed information, refer to Bode (Ed.): Medical Management of Type 1 Diabetes (1), Burant (Ed): Medical Management of Type 2 Diabetes (2), and Klingensmith (Ed): Intensive Diabetes Management (3). The recommendations included are diagnostic and therapeutic actions that are known or believed to favorably affect health outcomes of patients with diabetes. A grading system (Table 1), developed by the American Diabetes Association (ADA) and modeled after existing methods, was utilized to clarify and codify the evidence that forms the basis for the recommendations. The level of evidence that supports each recommendation is listed after each recommendation using the letters A, B, C, or E.

Standards of Medical Care in Diabetes

1. Type 1 diabetes (due to b-cell destruction, usually leading to absolute insulin deficiency) 2. Type 2 diabetes (due to a progressive insulin secretory defect on the background of insulin resistance) 3. Gestational diabetes mellitus (GDM) (diabetes diagnosed in the second or third trimester of pregnancy that is not clearly overt diabetes) 4. Specific types of diabetes due to other causes, e.g., monogenic diabetes syndromes (such as neonatal diabetes and maturity-onset diabetes of the young [MODY]), diseases of the exocrine pancreas (such as cystic fibrosis), and drugor chemical-induced diabetes (such as in the treatment of HIV/AIDS or after organ transplantation)

Classification and diagnosis of diabetes

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Hyperglycemia and Adverse Pregnancy Outcomes

Metformin is a widely-used drug that results in clear benefits in relation to glucose metabolism and diabetes-related complications. The mechanisms underlying these benefits are complex and still not fully understood. Physiologically, metformin has been shown to reduce hepatic glucose production, yet not all of its effects can be explained by this mechanism and there is increasing evidence of a key role for the gut. At the molecular level the findings vary depending on the doses of metformin used and duration of treatment, with clear differences between acute and chronic administration. Metformin has been shown to act via both AMP-activated protein kinase (AMPK)-dependent and AMPK-independent mechanisms; by inhibition of mitochondrial respiration but also perhaps by inhibition of mitochondrial glycerophosphate dehydrogenase, and a mechanism involving the lysosome. In the last 10 years, we have moved from a simple picture, that metformin improves glycaemia by acting on the liver via AMPK activation, to a much more complex picture reflecting its multiple modes of action. More work is required to truly understand how this drug works in its target population: individuals with type 2 diabetes.

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The mechanisms of action of metformin

Calcium and calcium channel blockers: basic and clinical considerations.

Changing diagnostic criteria for gestational diabetes: are implications the same for every country?

Diabetes is a multifactorial disease, with multiple pathophysiologic abnormalities. This means that a combination of drugs, acting upon as many pathologic mechanisms as possible, is necessary for optimal management of the syndrome. This article discusses how a rational combination of oral anti-diabetic drugs can be chosen and used in primary care practice.

Oral combination therapy in primary care.

Refractory, or ‘difficult to control,’ diabetes is a commonly encountered condition in specialist practice. This editorial describes the characteristics of people with diabetes who are unable to achieve optimal glycemic control, despite aggressive drug therapy. It reflects upon the importance of bidirectional communication between patient and physician, and highlights the need for systematic history taking, empathic listening, and therapeutic patient education. The editors call for practicing ‘diabetes therapy by the ear,’ in conjunction with evidence-based pharmacological therapy, to help reduce the prevalence of refractory diabetes.

The Refractory Patient—Managing Diabetes by the Ear

This brief review describes the potential non-glycaemic effects and benefits of glucagon like peptide 1 receptor agonists (GLP1RA). It lists various indications in which this class of drugs has been used, and explains the rationale behind this use. The potential uses of GLP1RA extend across the entire spectrum of endocrinology and metabolism, from hypothalamic obesity to non-alcoholic steatohepatitis (NASH) to polycystic ovary syndrome (PCOS). The article also discusses and addresses endocrine-related concerns related to the GLP1RAs.

Yashdeep Gupta

Papers

Calcium and calcium channel blockers: basic and clinical considerations.

Changing diagnostic criteria for gestational diabetes: are implications the same for every country?

Oral combination therapy in primary care.

The Refractory Patient—Managing Diabetes by the Ear

Endocrine and metabolic effects of Glucagon like peptide 1 receptor agonists (GLP1RA).