non communicable diseases
DESCRIPTION
Public HealthTRANSCRIPT
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NON COMMUNICABLE DISEASES
Prevention and Control
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Integrated Community Based NCD Prevention & Control Program
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Four Major Communicable Diseases
• Cardiovascular Diseases
• Cancer
• Chronic Obstructive Pulmonary Disease
• Diabetes Mellitus
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WHO Statistics
• 19 May 2008 | Geneva - The global burden of disease is shifting from infectious diseases to noncommunicable diseases, with chronic conditions such as heart disease and stroke now being the chief causes of death globally.
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• In the Philippines, increasing life expectancy, urbanization and lifestyle changes have brought about a considerable change on the health status of the country. Globalization and social change has influenced the spread of non-communicable or lifestyle/degenerative diseases by increasing exposure to risk.
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• Mortality statistics in 2002 showed that 7 out of 10 leading causes of deaths in the country are diseases which are lifestyle related: diseases of the heart and the vascular system, cancers, chronic obstructive pulmonary diseases, accidents, diabetes, kidney problems.
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These diseases are linked by three major risk factors
• Tobacco smoking
• Physical inactivity
• Unhealthy diet
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Risk factors with the corresponding prevalence rates:
• Physical inactivity – 60.5%• Smoking – 34.8%• Hypertension – 22.5% (SBP>140 or DBP>90)• Hypercholesterolemia – 8.5% • Obesity – 4.9% • Diabetes – 4.6%
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How to reduce the exposure of populations and individuals to the risk factors for NCDs
• Prevent a major proportion of the NCD burden by reducing the exposure of populations to tobacco use, unhealthy diets, physical inactivity and harmful use of alcohol, using proven measures affordable in all countries.
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How to reduce the exposure of populations and individuals to the risk factors for NCDs
• Different settings may be considered for action, particularly schools, workplaces, households and communities.
• Health financing must be sustained by innovative approaches like earmarking revenue from alcohol and tobacco taxes.
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Policy implementation steps
• Protect people from tobacco smoke, warn and enforce bans on tobacco advertising, promotion and sponsorship.
• Raise taxes on tobacco and alcohol • Restrict access to retailed alcohol and
enforcing bans on advertising • Reduce salt intake and salt content of food
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Policy implementation steps
• Replace trans-fat in food with polyunsaturated fat
• Promote public awareness about diet and physical activity
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Causes and Risk Factors of Major NCDs
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HYPERTENSION
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HYPERTENSION
• defined as a sustained elevation in mean arterial pressure (CO x SVR) + CVP
• It is not a single disease state but a disorder with many causes, a variety of symptoms, and a range of responses to therapy
• Hypertension is also a major risk factor for the development of other CVDs like coronary heart disease and stroke.
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Etiology /Cause
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HYPERTENSION
• classified into primary and secondary hypertension– Primary• no definite cause• also called essential hypertension or idiopathic
hypertension• About 90% of all hypertensives have primary
hypertension– Secondary• usually the result some other primary diseases leading
to hypertension such as renal disease.
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RISK FACTORS
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HYPERTENSION
• Family history• Advancing age• Race• High salt intake• Gender
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Controllable Risk Factors
• Diet • Activity level• Weight• Stress levels• Drinking habits• Smoking habits
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Key Areas for Prevention of Hypertension:
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PREVENTION
• Encourage proper nutrition – reduce salt and fat intake.
• Prevent becoming overweight or obese – weight reduction through proper nutrition and exercise.
• Smoking cessation • Identify people with risk factors and
encourage regular check-ups for possible hypertension and modification of risk factors.
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CORONARY ARTERY DISEASE
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CORONARY ARTERY DISEASE
• Is a heart disease caused by impaired coronary blood flow.
• It is also known as Ischemic Heart Disease.• When the coronary arteries become narrowed
or clogged, supply of blood and oxygen to the heart muscle is affected.
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ETIOLOGY/CAUSES
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CORONARY ARTERY DISEASE
• Most common cause: atherosclerosis• Atherosclerosis usually occurs when a person
has high levels of cholesterol in the blood• In diabetes mellitus, atherosclerosis is
accelerated, often resulting in coronary artery disease, myocardial infarction and stroke.
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RISK FACTORS
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CORONARY ARTERY DISEASE
• Elevated blood lipids / cholesterol
• Smoking / Tobacco Use
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Key Areas for Prevention of CAD• Promote regular physical activity and exercise• Encourage proper nutrition • Maintain body weight and prevent obesity• Advise smoking cessation for active smokers and
prevent exposure to second-hand smoke by family members, friends and co-workers of active smokers
• Early diagnosis, prompt treatment and control of diabetes and hypertension
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CEREBROVASCULAR DISEASE / STROKE
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CEREBROVASCULAR DISEASE / STROKE
• loss or alteration of bodily function that results from an insufficient supply of blood to some parts of the brain
• Stroke is one of the leading causes of disability. It can lead to weakness or paralysis usually one side of the body. Often, if stroke is massive and severe, it can cause death.
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Etiology / Causes
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CEREBROVASCULAR DISEASE / STROKE
• three types : thrombotic stroke, embolic stroke and hemorrhagic stroke.
• Almost all strokes are caused by occlusion of cerebral vessels by either thrombi or emboli.
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CEREBROVASCULAR DISEASE / STROKE
• The most fatal type of stroke is due to intracerebral hemorrhage, that is, rupture of intracerebral blood vessels.
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RISK FACTORS
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CEREBROVASCULAR DISEASE / STROKE
• Increasing age• Sex• Heredity (family history)• Hypertension• Cigarette smoking• Diabetes mellitus• Heart disease
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CEREBROVASCULAR DISEASE / STROKE
• High RBC count• Season and climate• Socio-economic factor• Excessive alcohol intake• Certain kinds of drug abuse
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Key Areas for Prevention of
Stroke
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CEREBROVASCULAR DISEASE / STROKE
• Treatment and control of hypertension• Smoking cessation and promoting a smoke free
environment• Prevent thrombus formation in rheumatic heart
disease and arrhythmias with appropriate medications
• Limit alcohol consumption• Avoid intravenous drug abuse and cocaine• Prevent all other risk factors of atherosclerosis
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CANCER
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CANCER
• uncontrolled growth of abnormal cells in the body.
• Normal body cells vs. cancer cells
• Spreading of cancer?
• Role of immune system?
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CAUSES
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CANCER
• Heredity / Family History • Carcinogens• Chemicals and Environmental Agents• Benzopyrene• Nitrosamines• Radiation• Viruses
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COPD
Chronic Obstructive Pulmonary Disease
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COPD
• A progressive disease that makes it hard to breathe.
• Can cause coughing, SOB, chest tightness and other symptoms
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COPD
• In COPD, less air flows in and out if the airways because of one or more of the following:– The airways and air sacs lose their elastic quality– The walls between the air sacs are destroyed– The walls of the airways become thick and
inflamed– The airways make more mucus than usual, which
can clog them
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COPD
• Two main forms:
– Chronic bronchitis– Emphysema
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CAUSE
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COPD
• The primary cause is tobacco smoke (including second-hand or passive exposure)
• Exposure to indoor air pollution
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RISK FACTORS
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COPD
• Indoor air pollution• Outdoor air pollution• Occupational dusts and chemicals• Frequent lower respiratory infection during
childhood
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PREVENTION AND CONTROL
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COPD
• Raise awareness about the global epidemic of the chronic diseases
• Create more healthy environments, especially for poor and disadvantaged populations
• Decrease common chronic disease risk factors• Prevent premature deaths and avoidable
disabilities from major chronic dieases
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PROGRAMS
• WHO Framework Convention on Tobacco Control (WHO FCTC)
• Global Alliance against Chronic Respiratory Diseases
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DIABETES MELLITUS
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DIABETES MELLITUS
• a chronic disease, which occurs when the pancreas does not produce enough insulin, or when the body cannot effectively use the insulin it produces.
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DIABETES MELLITUS
• Type 1 diabetes is characterized by a lack of insulin production.
• Type 2 diabetes is caused by the body’s ineffective use of insulin. It often results from excess body weight and physical inactivity.
• Gestational diabetes is hyperglycaemia that is first recognized during pregnancy.
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CAUSES
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TYPE 1
• Type 1 diabetes is believed to be an autoimmune disease.
• Environmental factors, including common unavoidable viral infections, may also contribute to type 1 diabetes
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TYPE 2
• Type 2 diabetes has strong genetic links, meaning that type 2 diabetes tends to run in families.
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RISK FACTORS
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TYPE 1
• Type 1 diabetes is most common in people of non-Hispanic, Northern European descent (especially Finland and Sardinia), followed by African Americans, and Hispanic Americans. It is relatively rare in those of Asian descent.
• Type 1 diabetes is slightly more common in men than in women.
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TYPE 2• High blood pressure• High blood triglyceride (fat) levels • Gestational diabetes or giving birth to a baby
weighing more than 9 pounds • High-fat diet• High alcohol intake • Sedentary lifestyle • Obesity or being overweight • Ethnicity• Aging
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PREVENTION
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TYPE 2
• Control weight to normal or near-normal levels• Regular exercise• Keep alcohol consumption low.• Quit smoking• If a person has high blood fat levels (such as high
cholesterol) or high blood pressure, take all medications as directed.
• Lifestyle modifications and/or certain medications can be used in people with prediabetes
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PREVENT COMPLICATIONS• Tight glucose control• Quit smoking• Maintain a healthy weight• Increase physical activity levels• Drink an adequate amount of water and avoid consuming too
much salt.• The skin should be taken care of; keep it supple and hydrated
to avoid sores and cracks that can become severely infected.• The feet should be washed and examined daily