heart failure daniel e. van buren, m.d. new england heart institute androcsoggin valley hosptital
TRANSCRIPT
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Heart Failure Daniel E. van Buren, M.D. New England Heart Institute Androcsoggin Valley Hosptital
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How Many People HaveHeart Failure?
• Heart failure is very common
• It is the number one reason why people are admitted into hospitals in the U.S.
• Heart failure effects nearly 5 million Americans
• An estimated 400,000 to 700,000 new cases are diagnosed each year
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Heart Failure What is Heart Failure?
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Heart Failure Does NOT mean…
• Your heart has stopped working
• Your heart is about to stop working
• You have had a heart attack
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Heart Failure• What is Heart Failure?– The heart is not pumping as well as it
should– Usually, the heart has been weakened by
an underlying condition• Blocked arteries• Heart attack • High blood pressure• Diabetes • Infections• Heart valve abnormalities
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Heart Failure
• What is Heart Failure?– Heart failure can involve the left or right
side of the heart or both– Usually the left side is affected first– Heart failure occurs when either side of
the heart cannot keep up with the flow of blood
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Heart Failure
• What is Left Heart Failure?– Involves the left ventricle (lower
chamber) of the heart– Systolic failure• The heart looses it’s ability to contract or
pump blood into the circulation
– Diastolic failure• The heart looses it’s ability to relax because
it becomes stiff• Heart cannot fill properly between each beat
and less blood in means less blood out.
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Heart Failure
• What is Left Heart Failure?– In both types, blood may “back up” in
the lungs causing fluid to leak into the lungs (pulmonary edema)
– Fluid may also build up in tissues throughout the body (edema)
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Heart Failure
• What is Right Heart Failure?– Usually occurs as a result of left heart
failure– The right ventricle pumps blood to the
lungs for oxygen– Occasionally isolated right heart failure
can occur due to lung disease or blood clots to the lung (pulmonary embolism)
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Heart Failure
• How fast does heart failure develop?– Usually a chronic disease– The heart tries to compensate for the
loss in pumping function by:• Developing more muscle mass• Enlarging• Pumping faster
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Heart Failure
• What Causes Heart Failure?– Health conditions that either damage
the heart or make it work too hard• Coronary artery disease• Heart attack• High blood pressure• Abnormal heart valves• Heart muscle diseases (cardiomyopathy)• Heart inflammation (myocarditis)
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Heart Failure
• What Causes Heart Failure?• Congenital heart defects• Severe lung disease• Diabetes• Severe anemia• Overactive thyroid gland (hyperthyroidism)• Abnormal heart rhythms
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Heart Failure
• What Causes Heart Failure?– Coronary artery disease• Cholesterol and fatty deposits build up in
the heart’s arteries• Less blood and oxygen reach the heart
muscle• This causes the heart to work harder and
occasionally damages the heart muscle
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Heart Failure
• What Causes Heart Failure?– Heart attack• An artery supplying blood to the heart
becomes blocked• Loss of oxygen and nutrients damages
heart muscle tissue causing it to die• Remaining healthy heart muscle must pump
harder to keep up
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Heart Failure
• What Causes Heart Failure?– High blood pressure• Uncontrolled high blood pressure doubles a
persons risk of developing heart failure• Heart must pump harder to keep blood
circulating• Over time, chamber first thickens, then gets
larger and weaker
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Heart Failure
• What Causes Heart Failure?– Abnormal heart valves– Heart muscle disease• Damage to heart muscle due to drugs,
alcohol or infections
– Congenital heart disease– Severe lung disease
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Heart Failure
• What Causes Heart Failure?– Diabetes• Tend to have other conditions that make the
heart work harder• Obesity• Hypertension• High cholesterol
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Heart Failure
• What Causes Heart Failure?– Severe anemia
• Not enough red blood cells to carry oxygen• Heart beats faster and can become overtaxed with
the effort
– Hyperthyroidism• Body metabolism is increased and overworks the
heart
– Abnormal Heart Rhythm• If the heart beats too fast, too slow or irregular it may
not be able to pump enough blood to the body
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What Are The Symptoms of Heart Failure?
• Think FACES…
• Fatigue
• Activities limited
• Chest congestion
• Edema
• Shortness of breath
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Heart Failure
• Signs and Symptoms of Heart Failure– Shortness of Breath (dyspnea)
• WHY? – Blood “backs up” in the pulmonary veins because the
heart can’t keep up with the supply an fluid leaks into the lungs
• SYMPTOMS– Dyspnea on exertion or at rest
– Difficulty breathing when lying flat
– Waking up short of breath
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Heart Failure
• Signs and Symptoms of Heart Failure– Persistent Cough or Wheezing• WHY?
– Fluid “backs up” in the lungs
• SYMPTOMS– Coughing that produces white or pink blood-
tinged sputum
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Heart Failure
• Signs and Symptoms of Heart Failure– Edema• WHY?
– Decreased blood flow out of the weak heart– Blood returning to the heart from the veins
“backs up” causing fluid to build up in tissues
• SYMPTOMS– Swelling in feet, ankles, legs or abdomen– Weight gain
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Heart Failure
• Signs and Symptoms of Heart Failure– Tiredness, fatigue• WHY?
– Heart can’t pump enough blood to meet needs of bodies tissues
– Body diverts blood away from less vital organs (muscles in limbs) and sends it to the heart and brain
• SYMPTOMS– Constant tired feeling– Difficulty with everyday activities
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Heart Failure
• Signs and Symptoms of Heart Failure– Lack of appetite/ Nausea• WHY?
– Blood backs up causing swelling of the digestive tract
– The digestive system receives less blood causing problems with digestion
• SYMPTOMS– Feeling of being full or sick to your stomach
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Heart Failure
• Signs and Symptoms of Heart Failure– Confusion/ Impaired thinking• WHY?
– Changing levels of substances in the blood ( sodium) can cause confusion
• SYMPTOMS– Cognitive slowing– Memory loss or feeling of disorientation– Relative or caregiver may notice this first
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Heart Failure
• Signs and Symptoms of Heart Failure– Increased heart rate• WHY?
– The heart beats faster to “make up for” the loss in pumping function
• SYMPTOMS– Heart palpitations– May feel like the heart is racing or throbbing
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Your Doctor May Run These Tests…
• Electrocardiogram (“EKG” or “ECG”)
• Echocardiogram (“Echo”)
• Chest x-ray
• Cardiac Catheterization (“Cath”)
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What is Ejection Fraction (“EF”)?
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Heart Failure
• Treatment Options– The more common forms of heart failure
cannot be cured, but can be treated• Lifestyle changes• Medications• Surgery and device implantations
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Heart Failure
• New York Heart Association (NYHA) Functional Classification
Class % of patients
Symptoms
I 35% No symptoms or limitations in ordinary physical activity
II 35% Mild symptoms and slight limitation during ordinary activity
III 25% Marked limitation in activity even during minimal activity. Comfortable only at rest
IV 5% Severe limitation. Experiences symptoms even at rest
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Heart Failure
• Lifestyle changes– Stop smoking– Loose weight– Avoid alcohol– Avoid or limit caffeine– Eat a low-fat, low-sodium diet– Exercise
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Heart Failure
• Lifestyle changes– Reduce stress– Keep track of symptoms and weight and
report any changes or concern to the doctor
– Limit fluid intake– See the doctor more frequently
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Heart Failure
• Medications used to treat Heart Failure– ACE Inhibitors• Cornerstone of heart failure therapy• Proven to slow the progression of heart failure • Vasodilator – cause blood vessels to expand
lowering blood pressure and the hearts work load• Directly inhibit “remodeling”• Improves symptoms, reduces hospitalizations,
slows progression of disease and reduces mortality
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Heart Failure
• Medications used to treat Heart Failure– Beta-blockers• Lower the heart rate and blood pressure• Decrease the workload of the heart• Inhibit “remodeling”• Improves symptoms, reduces
hospitalizations, slows progression of disease and reduces mortality
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Heart Failure
• Medications used to treat Heart Failure– Aldosterone antagonists• Alters hormones that are damaging to the
heart• Given for advanced heart failure• Inhibit “remodeling”• Improves symptoms, reduces
hospitalizations, slows progression of disease and reduces mortality
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Heart Failure
• Medications used to treat Heart Failure– Vasodilators• Cause blood vessel walls to relax• Occasionally used if patient cannot tolerate
ACE inhibitors• Decrease workload of the heart
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Heart Failure
• Medications used to treat Heart Failure– Diuretics (water pills)• Prescribed for fluid build up, swelling or edema• Cause kidneys to remove more sodium and water
from the bloodstream• Decreases workload of the heart and edema• Fine balance – removing too much fluid can strain
kidneys or cause low blood pressure• Improves symptoms and reduces hospitalizations
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Heart Failure
• Medications used to treat Heart Failure– Digitalis preparations• Increases the force of the hearts
contractions• Relieves symptoms• Slows heart rate and certain irregular heart
beats• Improves symptoms and reduces
hospitalizations
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Heart Failure
• Medications used to treat Heart Failure– Potassium• Most diuretics remove potassium from the
body• Potassium pills compensate for the amount
lost in the urine• Potassium helps control heart rhythm and
is essential for the normal work of the nervous system and muscles
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Heart Failure
• Treatment options– Surgery and other Medical Procedures• Coronary artery bypass• Angioplasty• Valve replacement• Automated Implantable Cardioverter-
Defibrillator (AICD)• Biventricular pacemaker (BiV or CRT)• Left ventricular assist device• Heart transplant
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AICD
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AICDMonitors heart rhythm
Shocks to reset rhythm
Can be interrogated
Does not alter symptoms
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Biventricular Pacemaker
Reserved for patients with symptoms despite optimal medical therapy
Conduction disease
Improves symptoms
Reduces mortality
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Left Ventricular Assist Device
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LVADReserved for patients awaiting transplant and for patients with continued severe symptoms despite optimal therapy
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Is There a Cure for Heart Failure?
• No, currently there is no cure• But, early diagnosis and proper treatment
can:– Slow the progression of disease– Keep you out of the hospital– Save your life
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Can a Person Live with Heart Failure?
YES!• See your physician regularly
• Limit your salt intake
• Weigh yourself each day
• Take your medications
• Exercise at levels recommended by your physician
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For More Information About Heart Failure
• Visit “The Heart Failure Society of America”– Individuals – www.abouthf.org– Health Care Professionals – www.hfsa.org
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Thank You!