胫骨疼痛治疗指南：缓解疼痛与恢复活动

Overview

Valvular heart disease (also called heart valve disease) happens when one or more of the four valves in your heart—mitral, aortic, tricuspid, or pulmonary—do not work as they should. These valves keep blood flowing in the correct direction through the heart’s chambers and out to the body and lungs. Problems usually fall into two main types: stenosis (the valve becomes stiff or narrowed and does not open fully) or regurgitation (also called insufficiency or a leaky valve, when the valve does not close tightly and blood flows backward).

The condition can be present at birth (congenital) or develop later in life. Severity ranges from mild (often needing only watchful waiting) to severe (which may require medication, repair, or replacement). Many people live full lives with proper care. The aortic and mitral valves on the left side of the heart are most commonly affected.

Signs & Symptoms

Mild valvular heart disease often causes no symptoms and may be found during a routine checkup when a doctor hears a heart murmur (an extra or unusual sound). As the condition progresses, symptoms can appear, especially during activity.

• Shortness of breath, especially with exertion or when lying flat
• Fatigue or reduced ability to exercise
• Chest pain or pressure (angina)
• Heart palpitations, fluttering, or irregular heartbeat
• Swelling in the ankles, feet, or abdomen (edema)
• Dizziness, lightheadedness, or fainting (syncope)
• Cough, sometimes with pinkish mucus if fluid builds up in the lungs

Causes & Risk Factors

Valves can be damaged by aging, infection, other heart conditions, or congenital differences. Common causes include age-related calcification (calcium buildup that stiffens valves, especially aortic stenosis), rheumatic heart disease (from untreated strep throat or scarlet fever), infective endocarditis (infection of the valve), mitral valve prolapse, congenital valve defects, and damage after a heart attack or from cardiomyopathy.

Risk factors include older age, history of rheumatic fever, high blood pressure, high cholesterol, smoking, diabetes, certain connective tissue disorders (such as Marfan syndrome), radiation therapy to the chest, and previous heart infections or surgeries. Family history of valve problems can also play a role.

Diagnosis

Your doctor will start with a medical history and physical exam, listening carefully for heart murmurs with a stethoscope. Further tests confirm the diagnosis and assess severity.

• Echocardiogram (echo): Ultrasound of the heart; the main test to see valve structure and blood flow. May include transthoracic or transesophageal approaches.
• Electrocardiogram (ECG or EKG): Checks heart rhythm and electrical activity.
• Chest X-ray: Looks at heart size and lung congestion.
• Cardiac MRI or CT: Provides detailed images when needed.
• Exercise stress testing: Evaluates symptoms and heart function during activity.
• Cardiac catheterization: Measures pressures and may assess coronary arteries before surgery.

Doctors grade severity (mild, moderate, severe) based on valve opening size, amount of leakage, and effects on the heart chambers. Regular follow-up echoes track progression.

Treatment & Management

Treatment depends on the specific valve, type of problem (stenosis or regurgitation), severity, symptoms, and overall health. Mild cases often need only monitoring. Goals are to relieve symptoms, protect heart function, and prevent complications such as heart failure, arrhythmias, or stroke.

• Medications: Diuretics for fluid buildup, blood pressure medicines, anti-arrhythmics, blood thinners (if atrial fibrillation or mechanical valve is present), and antibiotics in selected high-risk situations to prevent endocarditis.
• Valve repair: Preferred when possible; preserves your own valve tissue. Techniques include reshaping, removing excess tissue, or adding a ring for support (annuloplasty).
• Valve replacement: Surgical (open-heart) or less-invasive transcatheter approaches (such as TAVR for aortic stenosis). Options include mechanical valves (durable but require lifelong blood thinners) or biological (tissue) valves (from animal or human donors; may need replacement later).
• Lifestyle and risk-factor control: Essential alongside medical or procedural care.

Your care team may include a cardiologist specializing in valve disease and a cardiac surgeon. Decisions are individualized; shared decision-making helps choose the best option for you.

Living With It

Most people with valvular heart disease can lead active lives with the right plan. Focus on heart-healthy habits, medication adherence, regular checkups, and knowing when symptoms change. Dental care is important because oral bacteria can enter the bloodstream; inform your dentist of your valve condition. Emotional support and education help reduce anxiety about the diagnosis.

Pregnancy requires special planning if you have significant valve disease—discuss with your cardiologist before conceiving. Stay up to date on vaccines (flu, COVID-19, pneumonia) as recommended, and avoid smoking and excess alcohol. Cardiac rehabilitation after procedures can improve recovery and confidence.