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ADVICE. Advice. Strongly advise adherence to diet and medication Smoking cessation, exercise, weight reduction Ensure diabetes education and advise Diabetes UK membership Stress role of the whole Diabetes Care Team Regular follow-up with comprehensive Annual Review is essential.
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Advice • Strongly advise adherence to diet and medication • Smoking cessation, exercise, weight reduction • Ensure diabetes education and advise Diabetes UK membership • Stress role of the whole Diabetes Care Team • Regular follow-up with comprehensive Annual Review is essential. • 20% of patients with early severe complications will be persistent non-attenders • Lifestyle targets: weight reduction >5% if obese, fat intake <30% of energy intake, saturated fat <10% of energy intake, fibre>15g per 1000 calories, exercise for four hours / week.
Risk factors for obesity High fat, energydense diet Sedentary lifestyle/ physical inactivity Familyhistory Ethnicity Age Stopping smoking
The health consequences of obesity Cancer Gall-bladder disease Respiratory disease Obesity Hyper-tension Kidney failure Type 2 diabetes Stroke Athero- sclerosis Heart failure
The relationship between BMI and the risk of developing type 2 diabetes 93.2 100 Women 54.0 70 Men 40.3 42.1 40 27.6 21.3 15.8 Risk of type 2 diabetes 11.6 10 8.1 6.7 5.0 4.4 4.3 5 2.9 2.2 1.5 1.0 1.0 1.0 0 <22 <23 23- 24- 25- 27- 29- 31- 33- 35+ 23.9 24.9 26.9 28.9 30.9 32.9 34.9 Body mass index (kg/m2)
Health benefits of 10 kg weight loss in 100 kg subject Death: 20-25% decrease in premature mortality Diabetes: 50% decrease in risk of Type 2 DM 30-50% decrease in blood glucose Lipids: 10% decrease in total cholesterol 30% decrease in triglycerides Blood 10mmHg decrease in systolic pressure: 20mmHg decrease in diastolic
Physical activity and risk of strokeBritish Regional Heart Study 4 3 2 Age-adjusted stroke rate 1 0 Vig Mod Light Inact Occas Mod-Vig Wannamethee & Shaper (1992) BMJ; 304: 597-601
Progression of IGT to Diabetes • The Finnish Diabetes Prevention Study and the Diabetes Prevention Program (DPP) both showed that lifestyle changes can reduce progression to diabetes in patients with impaired glucose tolerance (IGT). • The results of the two studies were surprisingly concordant.
Lifestyle changes reducing progression to diabetes mellitus Lifestyle changes reducing progression to diabetes mellitus
Progression of IGT to Diabetes • There was decreased progression from IGT to diabetes of 58% with lifestyle changes in both studies over a three year period. • The metformin limb of the DPP showed that metformin 850mg twice daily reduced progression from IGT to diabetes by 31%.
Why the decline in Coronary Death rates? ? N = 68200 in 2001 versus 1980 BUnal, J Critchley,SCapewell, BMJ. 2005 Sep 17;331(7517):614
BP Other Smoking Statin Low chol Dietary changes smoking 29715 Other 22860 BP 5870 Popn Chol 5770 Statin 2135 Why the decline in Coronary Death rates? N = 68200 BUnal, J Critchley,SCapewell, BMJ. 2005 Sep 17;331(7517):614.
Advice • Strongly advise adherence to diet and medication • Smoking cessation, exercise, weight reduction • Ensure diabetes education and advise Diabetes UK membership • Stress role of the whole Diabetes Care Team • Regular follow-up with comprehensive Annual Review is essential. • 20% of patients with early severe complications will be persistent non-attenders • Lifestyle targets: weight reduction >5% if obese, fat intake <30% of energy intake, saturated fat <10% of energy intake, fibre>15g per 1000 calories, exercise for four hours / week.