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BEST DIABETOLOGISTS IN HEBBALA BANGALORE Diabetes Type 1 and type 2 diabetes and impaired glucose tolerance (IGT) are associated with an increased risk of coronary disease, peripheral vascular disease and cerebrovascular disease.21 Diabetics have a two- to threefold risk of coronary disease at all ages and those with IGT have a 1.5-fold risk. Diabetes is a stronger risk factor for women (3.3 times) than for men (1.9 times). The excess risk for type 1 patients is largely confined to those with diabetic renal disease. All type 2 patients are at increased risk.22 Diabetes is thought to increase coronary heart disease because: n increased insulin levels result in increased hepatic synthesis of LDL and triglycerides, causing a mixed dyslipidaemia n insulin resistance, which is characteristic of type 2 diabetes, is associated with numerous other cardiovascular risk factors: dyslipidaemia, hypertension, endothelial dysfunction and microalbuminuria n hyperglycaemia itself may cause endothelial damage n glycosylated LDL may be more atherogenic than non-glycosylated LDL. Table 1.12 Glucose tolerance, current WHO definitions (venous plasma glucose) Fasting glucose 2-hour post-glucose load (mmol/L) Normal glucose regulation < 6.0 < 7.8 Impaired fasting glucose 6.1–6.9 < 7.8 Impaired glucose tolerance < 7.0 7.8–11.0 Diabetes > 7.0 > 11.1 16 PRACTICAL CARDIOLOGY Glycaemic control The UKPDS Trial has shown a very significant reduction in the microvascular complications of diabetes with improved glycaemic control but the improvement in macrovascular complications did not quite reach significance. Nevertheless, the UKPDS trialists estimate that each 1% reduction in HbA1c leads to a 14% reduction in cardiovascular risk. Diabetics tend to have more diffuse coronary disease. shows a diffusely diseased right coronary artery from a type 2 diabetic patient before and after coronary stenting . Coronary artery surgery involves a higher risk for diabetics, and graft disease and progression of native disease occur earlier in these patients. Nevertheless, diabetics probably have a better prognosis after surgical revascularisation than after angioplasty because of their higher risk of restenosis following angioplastY
Types of Diabetes Learn about Diabetes You can learn how to take care of your diabetes and prevent some of the serious problems diabetes can cause. The more you know, the better you can manage your diabetes... Share this booklet with your family and friends so they will understand more about diabetes. Also make sure to ask your health care team any questions you might have.''
Left Ventricular Failure Single most important predictor of mortality following STEMI in patients with STEMI Systolic dysfunction alone or both systolic and diastolic dysfunction can occur. LVDD leads to pulmonary venous hypertension and pulmonary congestion. Systolic dysfunction - ↓ cardiac output and of the ejection fraction. Predictors of LVF infarct size, advanced age and diabetes.[190] Mortality increases in association with the severity of the hemodynamic deficit.
Important coronary risk factors 1 Existing vascular disease (coronary, cerebral or peripheral) 2 Age 3 Dyslipidaemia 4 Smoking 5 Family history 6 Hypertension 7 Male sex/hormonal factors 8 Diabetes 9 Renal impairment 10 Obesity 11 Inactivity 12 Thrombogenic factors 13 Other dietary factors 14 Homocystinaemia 15 Psychological factors 16 Elevated hsCRP 17 Abnormal CT calcium score/coronary angiogram 18 Left ventricular hypertrophy (hypertensive patients) 19 Abnormal
Cardiologist in Rajanukunte, Bangalore • Factors that increase triglyceride levels 1 Obesity 2 Alcohol 3 Diabetes 4 Oestrogen (including HRT in 20% of users) 5 Diuretics 6 Beta-blockers Secondary causes: • Cushing’s syndrome • acromegaly • uraemia • acute hepatitis
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