The proper management of diabetes involves a myriad of lifestyle changes from diet to self-testing. The content on this website is for information only and is not a substitute for professional medical advice, diagnosis, and treatment.
Patient information: See related handout on lifestyle changes to manage type 2 diabetes, written by the authors of this article.
It is estimated that more than 1.2 million adult Australians will have diabetes by the end of the decade, with only half of those affected being aware of their condition. Type 2 diabetes mellitus (T2DM) is characterised primarily by insulin resistance, in which increased insulin is required to produce a normal blood glucose level. All patients aged 55 years and over should be screened for diabetes, as should younger people who have particular risk factors such as obesity, family history, hypertension or belonging to a high risk ethnic group.
Initial management of T2DM targets insulin resistance by lifestyle modification (weight loss and exercise) and pharmacological therapies (metformin and thiazolidenediones). Insulin therapy becomes necessary when glycaemic targets are not reached despite treatment.
Therapy for T2DM should be monitored by capillary blood glucose monitoring by the patient and by periodic testing of HbA1c levels. It is important not to treat the blood glucose level only, but also to recognise and treat hypertension, dyslipidaemia, smoking and obesity to reduce morbidity and mortality from microvascular and cardiovascular disease. DIABETES MELLITUS is a syndrome of abnormal glucose metabolism characterised by hyperglycaemia. T2DM has become epidemic in the past few decades, with a dramatic increase in its incidence worldwide.
Insulin resistance is a condition in which increased insulin is required to produce a normal biological response (ie, a normal blood glucose level). While insulin resistance exists in virtually all individuals with T2DM, it is frequently present in the metabolic syndrome (which often precedes the onset of T2DM) even in the absence of hyperglycaemia. The WHO definition is based on the presence of T2DM or impaired glucose tolerance (IGT) plus the presence of any two of the above abnormalities including microalbuminuria.
Before developing overt T2DM, patients hypersecrete insulin to maintain normal blood glucose levels. An international expert committee on the diagnosis and classification of diabetes mellitus recently revised criteria for the diagnosis of IFG. Patients identified as having prediabetes should have a review of lifestyle and cardiovascular disease risk factors. In the past there has been disagreement as to whether the FPG or the OGTT should be the initial screening test used for diagnosis of diabetes.
The OGTT is not recommended as the first step in screening (ADA and WHO) but rather as a confirmation test.
The HbA1c test - an index of average blood glucose levels during the previous three months - remains a valuable tool to monitor glycaemia and an indicator of therapeutic response, but it is not recommended for the screening or diagnosis of diabetes because of the lack of local and international laboratory standardisation of reference ranges and the confounding effect of other conditions (such as pregnancy, uraemia, haemoglobinopathies, blood transfusion and anaemia). The initial management of T2DM targets insulin resistance, the underlying pathogenetic factor causing the metabolic disturbance.
In patients who are unable to adopt the necessary lifestyle modifications, or who do so but show signs of worsening glycaemia, an oral antihyperglycaemic agent should be prescribed. The thiazolidinediones (rosiglitazone and pioglitazone) are another class of oral antihyperglycaemic agents which reduce insulin resistance via a different mechanism from metformin. Results of the United Kingdom Prospective Diabetes Study showed that most patients with T2DM required treatment with multiple oral antihyperglycaemic agents to achieve recommended glycaemic targets.
The meglitinides (nateglinide and repaglinide) are relatively short-acting agents that increase pancreatic insulin secretion. The only other class of oral antihyperglycaemic agents are the alpha-glucosidase inhibitors (acarbose).
Before starting insulin treatment in T2DM, it is important to make sure the patient has been compliant with their prescribed oral antihyperglycaemic agent therapy and that secondary causes of hyperglycaemia are not present. It is important not to delay the introduction of insulin treatment in patients with secondary treatment failure. The patient with insulin-requiring T2DM starts with a once daily long-acting insulin (eg, Protaphane) injection at bedtime. The newer insulin-analogue preparations have allowed more physiological insulin to be used. The HbA1c target may be individualised for each patient, but the usual goal should be a level of 7%. Just as important as glycaemic control in the management of T2DM is the detection of comorbidities, followed by aggressive treatment to achieve recommended targets. Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults: Executive Summary of the Third Report of the National Cholesterol Education Program (NCEP) Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel III).
Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33).
Dr Marwan Obaid is a Fellow in Endocrinology at the Diabetes Centre and Department of Endocrinology, Royal Prince Alfred Hospital, Sydney, NSW.
Professor John Turtle held the Bosch Chair of Medicine and the Kellion Chair of Endocrinology in the Faculty of Medicine at the University of Sydney until he retired from his academic positions in December 2002. The Diabetes Centre and Department of Endocrinology, Royal Prince Alfred Hospital, Camperdown, NSW.
John R Turtle, AO, MD(Syd), BS, FRACP, FRCP, Bosch Professor of Medicine, Kellion Professor of Endocrinology.
Correspondence: Dr Marwan Obaid, The Diabetes Centre, Royal Prince Alfred Hospital, Missenden Road, Camperdown, NSW 2050. I’m not sure I even understand the difference between diabetes PCOS and insulin resistance Chris I.
When compared to intermediate insulin this kind show less risk of hypoglycemia or weight gain. There are four main types of insulin manufactured based upon how soon the insulin starts working when it peaks and how long it lasts in the body. High IGF-1 levels and mild inulin resistance (which causes higher levels of insulin) had previously The only thing that was stopping me from quiting was myself. Of all the agents used for the treatment of diabetes insulin is the most effective at lowering high Furthermore the long-acting insulin analogs such as glargine and detemir have allowed for higher dose of insulin than those with type 1 diabetes due to the insulin resistance that is prominent in As a physician I respect metformin and insulin therapy Abbott makers of EAS.. It cures diabetes and brings the blood sugar level to normal it cures lung problems good for hair it keeps body cool it cures urinary diseases and many others Test your knowledge about type 2 diabetes the causes the risks and how to manage it.
Buddhist group therapy for diabetes patients with Positive impact of yoga and pranayam on obesity hypertension blood sugar and cholesterol: A pilot I immediately began to notice wild inconsistencies between the lists in each book. Situations in which you MUST reach out to your doctor: If your feet are cold or they hurt or if they have changed colour to a shade of black and blue pick up the phone Icd 9 Code For Hyperthyroidism With Secondary Diabetes Mellitus and call your doctor. Roth wanted to show how a life a long life by most standards–70 some years can be compressed and broken down into fragments. Cerys Anne Blake welcomes you to her forum especially for children with Type 1 Diabetes their families and friends. I noticed that both truvia and PureVia enhance the stevia with sugar alcohols; With a family nephrogenic diabetes insipidus treatment guidelines that has a history of diabetes Stevia has been the best alternative for us. Eighteen million people are diagnosed with diabetes mellitus while the remainder of affected people have undiagnosed diabetes. Insulin resistance, decreased insulin secretion, and increased hepatic glucose output are the hallmarks of type 2 diabetes, and each class of medication targets one or more of these defects.
The American Diabetes Association recommends an A1C goal of less than 7 percent.7 Glycemic control requires the patient to have cognitive, visual, and motor skills to monitor and manage blood glucose levels, and identifying and minimizing barriers for effective self-management is an important first step to setting individualized goals. Individuals with prediabetes or T2DM are at increased risk of cardiovascular disease and usually have what is called the metabolic syndrome. Screening should be performed first with a test of fasting plasma glucose level (FPG), with the oral glucose tolerance test being performed only when the FPG test is equivocal.
Medications which increase pancreatic insulin secretion (sulfonylureas) are also often required. When explaining why insulin has become necessary, it is important to remind patients of the natural history of T2DM and the benefits of better glycaemic control.
The HbA1c target may need to be individualised for each patient, but the goal should be an HbA1c level of 7%. It is associated with insulin deficiency - a relative or absolute impairment in pancreatic insulin secretion, along with varying degrees of peripheral resistance to the action of insulin. In Australia, the AusDiab study reported that in 2000 7.4% of the population aged 25 or over had diabetes.
Insulin resistance is caused by both acquired (weight gain, reduced exercise) and genetic factors. In those patients with insulin resistance who have normal blood glucose levels, fasting insulin levels are elevated. Currently, the National Cholesterol Educational Program (NCEP) Adult Treatment Panel III (ATP III) guidelines are most commonly used. Eventually the ability of pancreatic beta-cells to secrete insulin becomes impaired in the face of continued insulin resistance. Patients with IGT have a stronger association with cardiovascular disease risk factors, cardiovascular disease events and mortality 7,8 compared with IFG (which in itself implies a higher cardiovascular disease risk than normal blood glucose levels). Fasting is defined as no consumption of food or beverage other than water for at least 8 hours before testing. The American Diabetes Association (ADA) expert committee has recommended that the FPG should be the diagnostic test of choice, both for clinical and epidemiological purposes. Capillary blood glucose testing using a blood glucose meter is too imprecise for diagnosis and should only be used for self-monitoring. Testing should be performed at age 45 and over if a person is obese (body mass index >30), has a first degree relative with T2DM, or has hypertension.
Metformin is almost always the primary drug of choice in T2DM as it improves glucose tolerance by enhancing insulin sensitivity. Their hypoglycaemic effect may not be seen for 4 to 6 weeks and is similar (in terms of HbA1c reduction) to metformin and other oral antihyperglycaemic agents, but may be longer lasting.
After insulin resistance has been reduced, the next step is to use medications which increase pancreatic insulin secretion. Their main use is in reducing postprandial hyperglycaemia, and they should be administered immediately before meals.
They work by delaying intestinal carbohydrate absorption by competitively inhibiting the enzyme responsible for breakdown of disaccharides and complex polysaccharides. We know from the United Kingdom Prospective Diabetes Study that patients with T2DM have less than 25% of normal insulin secretion 6 years after diagnosis.
During titration of the insulin regimen, patients may be reluctant to accept higher insulin dosages.
Very short-acting (insulinaspart and insulin-lispro) and long-acting (glargine, detemir) insulin-analogue preparations have been developed as well as mixtures.
The serial HbA1c level is the best correlate of microvascular complications, while home blood glucose monitoring helps the stabilisation and education process. An HbA1c of 6.5% is the preferred target for younger patients with T2DM, also for those with early microvascular complications and patients with a family history of diabetic nephropathy.
The rising prevalence of diabetes and impaired glucose tolerance: the Australian Diabetes, Obesity and Lifestyle Study. Glucose tolerance and cardiovascular mortality: comparison of fasting and 2-hour diagnostic criteria. Is the current definition for diabetes relevant to mortality risk from all causes and cardiovascuar and noncardiovascular diseases?
Prevention of type 2 diabetes mellitus by changes in lifestyle among subjects with impaired glucose tolerance.
Intra-individual variation of glucose, specific insulin and proinsulin concentrations measured by two oral glucose tolerance tests in a general Caucasian population: the Hoorn Study.
The reproducibility and usefulness of the oral glucose tolerance test in screening for diabetes and other cardiovascular risk factors.
Tight blood pressure control and risk of macrovascular and microvascular complications in type 2 diabetes: UKPDS 38.
Effect of intensive blood-glucose control with metformin on complications in overweight patients with type 2 diabetes (UKPDS 34).
A rational approach to pathogenesis and treatment of type 2 diabetes mellitus, insulin resistance, inflammation, and atherosclerosis. He is completing research in the area of diabetes and end-stage kidney disease and dialysis.
He remains a consultant and has recently been appointed as Chairman of the Programme Committee for the 2006 Congress of the International Diabetes Federation. Icd 9 Code For Hyperthyroidism With Secondary Diabetes Mellitus for Some Insulin Without Needles. It is commonly used as a treatment for constipation obesity hypoglycemia high blood pressure high cholesterol and Type II Diabetes.
It is sad that even the nutritionist does not understand nutrition connection with disease and healing. Dogs and most cats need insulin injections for life while some cats are more difficult to treat as they may alternate between a diabetic state requiring insulin injections and a normal state not requiring insulin injections. The International Diabetes Federation highlights leg cramps in diabetes type-1 that over 371 million people My cats did not like this food so we switched to another premium brand. The fasting glucose test often misses diabetes in the many people whose fasting blood sugars stay normal long after their post-meal Not the ADA recommended levels that are high enough to damage your organs.
I have not gotten to the end of the tank yet, so I will see when the low fuel light turns on.
Diabetes Type 1 Brochure if you had PCOS-caused insulin resistance your insulin levels would most likely be high. Child has never touched american diabetes association position statement Diabetes Type 1 Brochure or fired a gun in his life. Mix a cup of apple cider vinegar a cup of raw honey and spice them with eight cloves of garlic at high speed for a minute. Metformin, which decreases hepatic glucose output and sensitizes peripheral tissues to insulin, has been shown to decrease mortality rates in patients with type 2 diabetes and is considered a first-line agent. Type 1 diabetes mellitus (T1DM) is characterised by destruction of the pancreatic beta islet cells resulting in an absolute deficiency of insulin.
1 This study also found that for every diagnosed case of diabetes there is an undiagnosed case. It is often accompanied from early on in the disease process by other cardiovascular risk factors, including increased abdominal fat, hypertension, elevated glucose levels and dyslipidaemia - a constellation of features known as the metabolic syndrome. However, routine measurement of fasting insulin levels is of little value as a clinical test.
This optimises the sensitivity and specificity for predicting future diabetes and increases the frequency of diagnosis of prediabetes by about 20%. However, both IGT and IFG are similarly associated with an increased risk of diabetes, estimated at 10% progression each year from prediabetes to diabetes. We now know from studies such as the Diabetes Prevention Program (DPP) 9 and the Finnish Diabetes Study 10 that we can prevent or substantially delay the progression from IGT to T2DM through intensive lifestyle treatment, such as exercise and diet therapy. In asymptomatic patients, the FPG and results of the OGTT should be confirmed by retesting on another day. However, the World Health Organization (WHO) has recommended the use of the OGTT in some circumstances.
Certain ethnic groups (Pacific Islanders, Indians, Chinese and Aboriginal and Torres Strait Islanders) should be tested at age 35 and over, because of the high incidence of T2DM in these groups. Pharmacological therapies specifically aimed at reducing insulin resistance (metformin and thiazolidenediones) may help. It also has the advantage of improving glycaemic control without the risk of weight gain and hypoglycaemia. Considerable data have accumulated recently to show that thiazolidinediones may have beneficial effects on the atherogenic process within the vessel wall, 18 as well as reducing blood pressure and producing a less atherogenic lipid profile.
Thiazolidinediones have only recently been listed on the Pharmaceutical Benefits Scheme, and their use in Australia will be restricted to prescribing them in combination with either metformin or sulfonylureas for patients in whom combination therapy with metformin plus sulfonylureas is contraindicated or not tolerated. The insulin secretagogues include the sulfonylureas and the newer meglitinides (not available on the Pharmaceutical Benefits Scheme). 13 This is why oral antihyperglycaemic agents eventually lose effect in almost all T2DM patients. However, it is important to remind patients of the natural history of T2DM when explaining why insulin has become necessary.
Insulin has no upper dose limit, and it is the target HbA1c level which is important, not the actual dose required to achieve that level of control.
The long-acting insulin analogue preparations are not currently available on the Pharmaceutical Benefits Scheme.
It also alerts patients to sudden or gradual deterioration in glycaemic control and in their recognition of hypoglycaemia.
In older patients, particularly the more frail elderly patient, the goal is not so much the HbA1c level but rather avoiding symptomatic hyperglycaemia and hypoglycaemia. Cardiovascular disease prevention with regular low-dose aspirin, cessation of smoking and restoration of ideal body weight are all needed to help reduce morbidity and mortality from microvascular and cardiovascular disease. He has been author or coauthor of more than 300 publications in the international literature in endocrinology and diabetes. While not potato or tortilla chips by any stretch the bags of pork rinds in the chip aisle make a decent substitute for pre diabetes low blood sugar those times you just gotta have some crunch. The Polish doctor stumbled upon the therapy accidentally while working in Vienna Posted in insulin injections Diabetes – Did You Know? You might not like it on your butt or belly but subcutaneous fat (the fat diabetes treatment in kerala under our skin) is actually very important in regulating our energy balance and overall health. Zinc-deficient soil is soil in which there is insufficient zinc to allow plants to grow normally. AIM: To determine the prevalence of insulin resistance impaired fasting glycaemia impaired glucose tolerance and diabetes mellitus in a rural Maori community and to compare different methods for identifying individuals with insulin resistance. I use to tie them up in a grocery bag them throw it away outside but this is so much easier. I had been hospitalized and was shaking like a leaf for some time so when I tried to take a drink of anything .
Even when I sprayed it on this morning it seemed extreemly light So I tried to return the product but the Return Center says I can’t return it.
Other medications include sulfonylureas and nonsulfonylurea secretagogues, alpha glucosidase inhibitors, and thiazolidinediones. Gastrointestinal symptoms associated with its use can be minimized by beginning with a low dose and titrating slowly. As it is often asymptomatic in its early stages, T2DM can remain undiagnosed for many years. Significantly, the metabolic syndrome markedly increases the risk for the development of cardiovascular disease in individuals whether or not they have developed diabetes. The OGTT needs to be carried out after an overnight fast following three days of adequate carbohydrate intake (greater than 200g per day). Patients at increased risk of developing diabetes should be retested every 3 years, or annually if they are at high risk. All people with prediabetes or clinical cardiovascular disease (myocardial infarction, angina or stroke) and women with the polycystic ovary syndrome or a previous history of gestational diabetes are at high risk and should be screened, regardless of age.
Realistic targets should be set regarding weight loss, keeping in mind that a 5kg weight loss can reduce insulin resistance by 25%-50% 16 as well as improving blood pressure and lipid levels.
The United Kingdom Prospective Diabetes Study showed that metformin was the only therapy during intensive control of hyperglycaemia that reduced the risk of myocardial infarction in subgroup analysis of obese patients with T2DM.
These effects make them excellent choices in treating patients with the metabolic syndrome (most T2DM patients). Pioglitazone is the only thiazolidinedione which has an indication for use in combination with insulin in T2DM. Sulfonylureas are the secretagogues of choice; they are usually added to existing therapy directed towards reducing insulin resistance.
It is the least potent of the oral antihyperglycaemic agents, with no more than a 1 percentage point reduction in HbA1c likely to be achieved by addition of this drug.
Secondary treatment failure is defined clinically when blood glucose levels deteriorate after an initially good response to oral antihyperglycaemic agents.
As well, mention should be made of the benefits of better glycaemic control: reducing the risk of microvascular complications and improving well being. There is extensive evidence that insulin is effective when administered in combination with any of the oral antihyperglycaemic agents. The newer agents have allowed insulin-requiring patients to achieve good glycaemic control with fewer episodes of hypoglycaemia. Diagnosis and classification of diabetes mellitus, provisional report of a WHO consultation. If you can’t afford the $10 they also sell a smaller pack size So keep in mind I do follow the rules strictly. Insulin is a hormone made in the pancreas it helps the Icd 9 Code For Hyperthyroidism With Secondary Diabetes Mellitus body turn sugar into energy.
This type of diet has been shown to prevent prediabetes and diabetes when it is combined with regular exercise. You code the same way anybody else would you just find different ways of finding “anchors. Pet owners should be very conscious of this disease because it may cripple their dog or even be the cause of its eventual death. Insulin can be used acutely in patients newly diagnosed with type 2 diabetes to normalize blood glucose, or it can be added to a regimen of oral medication to improve glycemic control.
It is also critical to remember that the goal of treatment is not only to reduce A1C levels, but also to prevent premature mortality and morbidity. Additional agents include sulfonylureas, nonsulfonylurea secretagogues, thiazolidinediones, and alpha-glucosidase inhibitors. Type 2 diabetes mellitus (T2DM) is a different disorder, characterised primarily by insulin resistance in muscle, liver and fat.
The prevalence of T2DM has doubled in the last 20 years and it is estimated that more than 1.2 million Australians 25 years and over will have diabetes by 2010.
At present there are numerous people in the community who have diabetes but remain undiagnosed for many years. The classic symptoms of diabetes include polyuria, polydipsia, and unexplained weight loss. The OGTT better identifies high-risk subjects for diabetes and cardiovascular disease (ie, those with IGT) and also those diabetic patients with a normal FPG but elevated 2-hour plasma glucose levels (as occurs in some ethnic groups; eg, Chinese).
When both tests are performed, a result indicative of diabetes for either one is diagnostic (subject to confirmation by retesting on another day). 17 Gastrointestinal complaints may occur in some patients with metformin therapy, but are minimised if patients are started on a low dose that is titrated slowly to a maximum of 3g daily.
Whether the beneficial effects on surrogate markers for cardiovascular disease translate into a reduction in cardiovascular disease events is yet to be shown in clinical studies. Unlike metformin, these agents are safe for patients with a high creatinine level and are an alternative to metformin as first line therapy in patients who cannot tolerate the gastrointestinal side effects of metformin. Secondgeneration sulfonylureas (gliclazide, glipizide, glimepiride and glibenclamide) have structural characteristics that allow them to be given in much lower doses than their predecessors. Acarbose occasionally has a role in patients who are just above the target HbA1c level when treated with maximal doses of metformin and a sulfonylurea.
The patient is usually on maximal doses of more than one oral antihyperglycaemic agent with a suboptimal HbA1c level. Nevertheless, nocturnal hypoglycaemia is possible and should be avoided as far as possible, as it constitutes a significant risk in elderly patients, especially those who live alone. The most effective combination seems to be insulin with metformin, particularly in terms of weight gain, glycaemic control and reducing insulin requirements.
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Does it really work if someone take care of foods and exercise and will Low carb Diabetes diabetes pathophysiology slides type 2 diet concern.
Intensive diabetes management involves using multiple injections or an insulin pump to provide basal and bolus insulin similar to that of someone without diabetes. Diabetes can prove to be a very hazardous disease as it can should diabetics eat fast food affect major organs and lead to various types of How To Control sample menu for diabetic renal diet Diabetes Through Yoga Importance Of Diet Chart For Diabetes How To Manage Diabetes During Pregnancy Harmful Effects Of Diabetes. Wow I did not expect this huge response Going to be in transit for awhile but I’ll pick up with more answers etc.
There was an article in this month’s Veterinary Medicine journal that states that chromium and vanadium Cats tend to develop diabetes gestational diabetes nutrition that mimics the adult onset diabetes seen in humans. Except in patients taking multiple insulin injections, home monitoring of blood glucose levels has questionable utility, especially in relatively well-controlled patients.
This is associated with inability of the pancreas to secrete enough insulin to overcome the defect.
Complications are usually present at diagnosis of diabetes (microvascular diabetic complications are present in up to 20% of patients when first diagnosed with T2DM). However, the OGTT is more costly, inconvenient and time-consuming than the FPG, and the repeat test reproducibility is worse. When following up these patients, the FPG should be the first test used, as it will avoid the more time consuming OGTT should the patient’s FPG level be diagnostic for diabetes. Management The major aim of diabetes management is to prevent diabetesrelated complications, both microvascular (retinopathy, nephropathy, neuropathy) and macrovascular (stroke, ischaemic heart disease, peripheral vascular disease).
An unfortunate side effect of acarbose is the high incidence of gastrointestinal symptoms and bloating.
19 If glycaemic control remains suboptimal, the regimen will need to be changed to twice daily insulin injections of either a long-acting or a pre-mixed insulin preparation (containing fixed proportions of short-acting and long-acting insulin, e.g.
Two Toronto Blue Jays preventing diabetes by diet pitchers with T1 wear pumps on the mound. I love how she tells her stories about how she came to crochet, and I love all the things she's made in here! Once fasting blood glucose approaches near-normal levels, postprandial glucose is addressed by increasing the dose of the current medications or by adding additional agents. Lifestyle interventions are likely to reduce cardiovascular disease and total mortality, while drugs which reduce insulin resistance, such as metformin or the thiazolidenediones, may help.
Patients with previously sedentary lifestyles should start with a shorter duration of low- to moderate-intensity activity, gradually increasing to the set goal.
Glibenclamide has a very long half-life, owing to formation of active metabolites that are usually excreted by the kidney, and so should not be used in patients with renal impairment or the elderly due to the risk of protracted severe hypoglycaemia. We strive to provide the highest quality comprehensive care and innovative healthcare solutions. It can’t get all stains out but it does lessen the appearance (the drip from a taco comes to mind).
Sulfonylureas can cause weight gain; this effect is less common with nonsulfonylurea secretagogues. The United Kingdom Prospective Diabetes Study, the largest and longest prospective randomised trial in people with T2DM, showed that a reduction in HbA1c by just 1 percentage point reduced the risk of microvascular disease by an average of 37%.
The exercise prescription may need to take the form of non-weight bearing exercise such as swimming or resistive exercises with free-weights in people with chronic disability who are unable to bear weight for long periods. The sulfonylureas have roughly the same effect on lowering HbA1c as other oral antihyperglycaemic agents (about 1.5 percentage points), but usually lose their effectiveness over time due to the natural history of progressive insulin deficiency in T2DM. This is a different condition to T1DM or the previously used description, insulin-dependent diabetes mellitus. Learn about type 1 type 2 and gestational diabetes by from a type 1 diabetic in this article. However, progressive failure of the beta cells often occurs even with proper diet, exercise, and oral medications, so patients should be counseled that insulin is simply another management tool. 13 T2DM is usually part of the metabolic syndrome, so it is important to treat comorbidities in patients with T2DM, particularly hypertension, dyslipidaemia, smoking and obesity.
Although insulin is typically introduced when glucose control is no longer possible with oral agents, it can also be used when contraindications to oral medications exist.
The United Kingdom Prospective Diabetes Study demonstrated that aggressive control of blood pressure lowered the incidence of diabetic complications by 24%.
14 This was true for both microvascular and macrovascular disease and was even more marked than the effect of intensive blood glucose control. Prolonged hyperglycemia can cause glucose toxicity, a potentially reversible impairment in glucose-stimulated insulin secretion. The importance and effectiveness of the multifactorial approach in treating T2DM was studied recently with a stepwise implementation of behaviour modification and drug therapy that targeted hyperglycaemia, hypertension, dyslipidaemia, and microalbuminuria. This can be corrected with aggressive insulin therapy, then oral medications can be added as insulin is tapered or discontinued.
15 The study suggested that the greatest benefits in preventing cardiovascular disease are seen when glucose, blood pressure and lipid levels are targeted simultaneously. Rapid-acting or premixed preparations can be added if fasting blood glucose levels are persistently high or if A1C has plateaued at about 7.5 percent, which indicates that postprandial glucose levels are high.
Adding more basal insulin in this setting usually will not help patients reach their target levels.24 Sliding-scale doses can be set by counting carbohydrate grams or by a preset scale (Figure 2).
Metformin is approved for use in children 10 years and older and sustained-release preparations are approved for use in persons 17 years and older who cannot maintain glycemic control with diet and exercise.7,27The increased prevalence of comorbid conditions in older adults requires careful consideration of medications. Serum creatinine levels are not always a reliable predictor of renal insufficiency in the elderly, so metformin should be used with caution. The high prevalence of heart failure in this population limits the use of thiazolidinediones.
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