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Clinical Gems

Our clinical gems come from the top selling medical books, and text books because knowledge is everything when it comes to diabetes.

Practical Diabetes Care, 3rd Ed., Excerpt #11: Infections in Diabetes Part 3 of 3

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David Levy, MD, FRCP Diabetic foot infections (see also Chapter 10) Multidisciplinary teamwork with specialist podiatrists is crucial. Patients in primary care must be referred for specialist wound débridement and dressing, which are as important as antibiotic treatment. Worsening clinical features of infection are associated with increasing rates of hospitalization and …

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Practical Diabetes Care, 3rd Ed., Excerpt #9: Infections in Diabetes Part 1 of 3

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David Levy, MD, FRCP Introduction Infections in patients with diabetes are a persistent trap for both the inexperienced and world-wise physician. Whenever someone with diabetes presents unwell, always consider the possibility of infection. High blood glucose levels predispose to some acute infections, especially postoperatively, but other mechanisms are involved, for example …

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Practical Diabetes Care, 3rd Ed., Excerpt #9: Pharmacological Treatment of Hyperglycemia Part 2 of 2

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David Levy, MD, FRCP Drugs acting on the incretin system (entero-insular axis) (Fig. 6.2) The incretin effect Bayliss and Starling inferred the existence of gut-derived substances affecting carbohydrate metabolism more than a century ago, but the incretin effect was not described until 1969: the observation that for a given achieved level …

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Practical Diabetes Care, 3rd Ed., Excerpt #8: Pharmacological Treatment of Hyperglycemia Part 1 of 2

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David Levy, MD, FRCP Introduction The pharmacological management of blood glucose in type 2 diabetes remains the most contentious area of diabetes management, and although until relatively recently in the USA the only agents to treat blood glucose were insulin and sulphonylureas, this limited repertoire in no way inhibited the controversy, …

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Practical Diabetes Care, 3rd Ed., Excerpt #7: Type 2 Diabetes: General Introduction Part 2 of 2

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David Levy, MD, FRCP General Recommendations on Macronutrients Carbohydrate Recommended daily allowance is about 130 g. Low glycemic index foods (e.g. barley, oats, beans, lentils, rye bread) can reduce HbA1c by about 0.4% (4 mmol/mol) compared with high glycemic index foods. More importantly, high whole-grain, cereal fiber, bran and germ intake …

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Practical Diabetes Care, 3rd Ed., Excerpt #6: Type 2 Diabetes: General Introduction

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David Levy, MD, FRCP Introduction: Type 2 Diabetes as a Progressive Condition Glycemia in type 2 diabetes progressively deteriorates with time, usually thought to be related to progressive beta-cell failure. This was demonstrated dramatically in the United Kingdom Prospective Diabetes Study (UKPDS 1998), but the glycemic trends have been less marked …

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Practical Diabetes Care, 3rd Ed., Excerpt #4: Type 1 Diabetes: Insulin Treatment Part 1 of 2

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David Levy, MD, FRCP Introduction Insulin treatment in type 1 diabetes is substitution/replacement hormone treatment, but replacement is much more variable and difficult to achieve than in other hormone deficiencies (e.g. thyroid, adrenal, gonadal hormones) because of the minute-by-minute variation in insulin secretion by the intact pancreas, which cannot yet be …

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