Which of the following is the most common complication of prosthetic valves?


What is the most common cause of prosthetic valve endocarditis?

Prosthetic valve endocarditis

Early PVE may be caused by a variety of pathogens, including S aureus and S epidermidis. These nosocomially acquired organisms are often methicillin-resistant (eg, MRSA). Late disease is most commonly caused by streptococci. Overall, CoNS are the most frequent cause of PVE (30%).

What is a complication associated with mechanical cardiac valves?

Complications include thromboembolism, prosthesis-patient mismatch, structural valve dysfunction, endocarditis, and hemolysis. Prosthetic valve endocarditis is a lethal disease with mortality rates of 50% to 80% even with appropriate therapy.

What are the risks of artificial valves?

Possible risks of heart valve repair or replacement surgery include:

  • Bleeding during or after the surgery.
  • Blood clots that can cause heart attack, stroke, or lung problems.
  • Infection.
  • Pneumonia.
  • Pancreatitis.
  • Breathing problems.
  • Arrhythmias (abnormal heart rhythms)
  • The repaired or replaced valve doesn’t work correctly.

What is the most common complication of infective endocarditis?

Congestive heart failure (CHF) is the most important complication of IE, which has the greatest impact on prognosis. Periannular abscesses are a relatively common complication of IE (42% to 85% of cases during surgery or at autopsy respectively), associated with a higher morbidity and mortality.

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What are the signs and symptoms of infective endocarditis?

What are the symptoms of bacterial endocarditis?

  • Fever or chills.
  • Night sweats.
  • Fatigue.
  • Aching muscles and joints.
  • Trouble breathing with activity.
  • Shortness of breath while lying down.
  • Cough.
  • Nausea.

Can a doctor hear a bad heart valve?

How are heart valve diseases diagnosed? Heart valve disease can be detected by your doctor if your heart sounds heard through a stethoscope are abnormal. This is typically the first step in diagnosing your heart valve disease. A heart murmur can often indicate valve regurgitation or stenosis.

How long can you live with a mechanical valve?

Key points to remember

Mechanical valves usually last 20 years or more. You are less likely to need a mechanical valve replaced in your lifetime. But they can cause blood clots, so you’ll take a blood thinner called warfarin (such as Coumadin).

What is the life expectancy of a mechanical heart valve?

For example, they estimated that a 45-year-old undergoing mechanical valve replacement has a life expectancy of 19 years (compared with 34 years in the general population), and lifetime risk of thrombo-embolism, bleeding, and re-intervention of 18, 15, and 10%, respectively.

Can your body reject a mechanical heart valve?

Can your body “reject” a heart valve? All valve replacements are “biocompatible,” which means your new valve will not be rejected by your immune system.

Which heart valve is the most difficult to replace?

Aortic valve stenosis is a defect that narrows or obstructs the aortic valve opening, making it difficult for the heart to pump blood into the body’s main artery (aorta). Typically the aortic valve has three tightly fitting, triangular-shaped flaps of tissue called cusps (tricuspid aortic valve).

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Which is worse bypass surgery or valve replacement?

Compared with all bypass operations, valve replacement had no effect on surgical mortality except in the group at highest risk. Conversely, valve replacement was associated with reduced late survival in all but those at highest risk.