W.B.C.S. Main 2018 Question Answer – Medical Science – Diagnosis And Complications Of Diabetes.

WBCS মেইনস ২০১৮ প্রশ্ন উত্তর  – চিকিত্সা বিজ্ঞান – ডায়াবেটিসের রোগ নির্ণয় এবং জটিলতা।

Diabetes is a condition where people don’t produce enough insulin to meet their body’s needs and/or their cells don’t respond properly to insulin. Insulin is important because it moves glucose, a simple sugar, into the body’s cells from the blood. It also has a number of other effects on metabolism.Continue Reading W.B.C.S. Main 2018 Question Answer – Medical Science – Diagnosis And Complications Of Diabetes.

The food that people eat provides the body with glucose, which is used by the cells as a source of energy. If insulin isn’t available or doesn’t work correctly to move glucose from the blood into cells, glucose will stay in the blood. High blood glucose levels are toxic, and cells that don’t get glucose are lacking the fuel they need to function properly.

There are two main kinds of diabetes: type 1 diabetes and type 2 diabetes. More than 90% of all people with diabetes have type 2. Overall, more than 3 million Canadians have diabetes, and the number is rapidly rising. Over a third of people with type 2 diabetes are unaware they have the disease and are not receiving the required treatment because, for many people, early symptoms are not noticeable without testing.

Type 1 diabetes occurs when the pancreas cannot make insulin. Everyone with type 1 diabetes requires insulin injections. Most people are diagnosed with type 1 diabetes during their childhood or adolescent years. Type 1 diabetes occurs most commonly in people of northern European ancestry.

Type 2 diabetes occurs when the pancreas does not make enough insulin or the body does not use insulin properly. It usually occurs in adults, although in some cases children may be affected. People with type 2 diabetes usually have a family history of this condition and 90% are overweight or obese. People with type 2 diabetes may eventually need insulin injections. This condition occurs most commonly in people of Indigenous and African descent, Hispanics, and Asians.

Another less common form is gestational diabetes, a temporary condition that occurs during pregnancy. Depending on risk factors, between 3% to 13% of Canadian women will develop gestational diabetes which can be harmful for the baby if not controlled. The problem usually clears up after delivery, but women who have had gestational diabetes have a higher risk of developing type 2 diabetes later in life.

Prediabetes is a term used to describe blood sugar levels that are higher than normal, but not high enough to be classified as diabetes. Many people with prediabetes go on to develop diabetes.

Causes

Type 1 diabetes is an autoimmune disorder. It’s believed that a combination of genetic predisposition and additional environmental (as yet unidentified) factors provoke the immune system into attacking and killing the insulin-producing cells in the pancreas. There is no way to prevent type 1 diabetes from occurring.

Type 2 diabetes is mainly caused by insulin resistance. This means no matter how much or how little insulin is made, the body can’t use it as well as it should. As a result, glucose can’t be moved from the blood into cells. Over time, the excess sugar in the blood gradually poisons the pancreas causing it to make less insulin and making it even more difficult to keep blood glucose under control.

Obesity is a leading cause of insulin resistance – about 90% of people with type 2 diabetes are overweight or obese. Genetic factors are also likely to be involved in the cause of type 2 diabetes. A family history of the disease has been shown to increase the chances of getting it.

Other risk factors for the development of type 2 diabetes include-

• being 40 years of age or older
• being of Indigenous, Hispanic, South Asian, Asian, or African descent
• blood vessel disease (e.g., damage to blood vessels in eyes, kidneys, nerves, heart, brain, or arms and legs)
• high blood pressure
• high cholesterol
• a history of gestational diabetes
• a history of prediabetes or impaired fasting glucose
• giving birth to a large baby
• certain medical conditions (e.g., HIV infection)
•  mental health disorders (e.g., bipolar disorder, depression, schizophrenia)
• acanthosis nigricans (a condition causing darkened patches of skin)
• polycystic ovary syndrome
• obstructive sleep apnea
• use of certain medications (e.g., corticosteroids such as prednisone, certain antipsychotic medications, certain antiviral medications for HIV)

Symptoms and Complications

People with type 1 diabetes who are not being treated urinate frequently and feel excessively thirsty. They usually feel very tired and experience severe weight loss despite normal or excessive food intake.

The symptoms of type 2 diabetes usually appear more gradually.People with type 2 diabetes who do not have their blood glucose under control often have a persistent, mild thirst. They urinate frequently, and often feel mild fatigue and complain of blurred vision. Many women with the disease have recurring vaginal yeast infections.

Diabetes is a major cause of heart disease, one of the leading causes of death in Canada. It’s also the biggest cause of blindness and kidney failure in Canadian adults. Older adults with diabetes are twice as likely to develop high blood pressure as people without diabetes.

People with diabetes are 20 times more likely to undergo foot and other “lower extremity” amputations due to circulatory problems. Between 34% to 45% of men who have diabetes will experience erectile dysfunction at some point.

Making the Diagnosis

Diabetes can be diagnosed with simple blood tests. Your doctor can select one of four tests to assess if you have diabetes.

• Fasting plasma glucose level: If your blood glucose level is 7.0 mmol/L or higher after having not eaten anything for at least 8 hours – called fasting – your doctor may diagnose diabetes. If your blood glucose level is between 6.1 to 6.9 mmol/L, your doctor may diagnose impaired fasting glucose or prediabetes (a condition that may later develop into diabetes).
• A1C: Your A1C, also called glycated hemoglobin, reflects your average blood glucose levels for the past 2 to 3 months. If your A1C is 6.5% or greater, your doctor may diagnose diabetes. If your A1C is between 6.0% and 6.4%, your doctor may diagnose prediabetes. Of note, A1C cannot be used to diagnose type 1 diabetes, diabetes in children, adolescents, or pregnant women.
• Random plasma glucose level: If your blood glucose levels is 11.1 mmol/L or higher, with no regards to time of day or when you last ate, your doctor may diagnose diabetes .
• Oral glucose tolerance test (OGTT): With this test you will be required to fast for at least 8 hours and then are given a drink with 75 g of carbohydrate. Your blood glucose is checked at fasting and then 2 hours after drinking the solution. If your blood glucose is 11.1 mmol/L or higher, your doctor may diagnose diabetes. If your blood glucose 2 hours after drinking the solution is between 7.8 to 11.1 mmol/L, your doctor may diagnose prediabetes. This is the preferred method to test for gestational diabetes.

If you are symptomatic (e.g., increased thirst or urination, unexplained weight loss), your doctor may only use a single test to diagnose diabetes/prediabetes. If you don’t have any symptoms, one high blood glucose test doesn’t necessarily mean you have diabetes/prediabetes. Your doctor will repeat one of the blood tests again on another day (generally 1 week later) to confirm the diagnosis.

Treatment and Prevention

Currently, type 1 diabetes is not preventable. However, studies have shown that type 2 diabetes can be prevented by adopting lifestyle changes that include moderate weight loss through eating a healthy diet and regularly exercising.

In addition, studies have shown that certain oral antidiabetes medications may play a role in preventing the development of type 2 diabetes for people with prediabetes.

Diabetes is a chronic condition, and it can last an entire lifetime. The goal of treating diabetes is to keep blood glucose levels as close to a normal range as possible. This prevents the symptoms of diabetes and the long-term complications of the condition. If you’ve been diagnosed with diabetes, your doctor – working with the members of your diabetes care team – will help you find your target blood glucose levels.

More than most conditions, treating diabetes requires a significant amount of real effort on the person’s part. Coping with diabetes is a lifelong challenge, so people with diabetes should not be afraid to speak with a doctor or pharmacist if they feel overwhelmed.

Part of a treatment plan for diabetes will involve learning about diabetes, how to manage it, and how to prevent complications. Your doctor, diabetes educator, or other health care professional will help you learn what you need to know so you are able to manage your diabetes as effectively as possible. Keep in mind that learning about diabetes and its treatment will take time. Involving family members or other people who are significant in your life can also help you manage your diabetes.

Although you may see herbal products advertised to help control blood sugar, there are not enough good quality studies to show that these treatments are safe and effective.

People with type 1 diabetes need insulin continuously to survive.The only way to cure this disease is to have a pancreas or islet cell transplant, but these operations are only recommended in a small set of circumstances.

As with many conditions, treatment of type 2 diabetes begins with lifestyle changes, particularly in your diet and exercise. If you have type 2 diabetes, speak to your doctor and diabetes educator about an appropriate diet. You may be referred to a dietitian. It is also a good idea to speak with your doctor before beginning an exercise program that is more vigourous than walking to determine how much and what kind of exercise is appropriate.

If lifestyle changes don’t put blood glucose levels in the target range, medications may be required. Medications for type 2 diabetes include antidiabetes pills or injections, insulin injections, or a combination of these.

Medications are very effective at treating diabetes and reducing the symptoms and long-term effects of the condition. However, you may experience hypoglycemia (a blood glucose level that is too low) when taking certain medications for diabetes.

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