Can acute pericarditis be cured?

Written by Liu Ying
Cardiology
Updated on September 10, 2024
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Patients with acute pericarditis should identify the cause of pericarditis and treat accordingly, rest in bed until chest pain and fever subside, administer analgesics for pain relief, and if pericardial effusion occurs, administer corticosteroids for patients who do not respond well to other medications for absorbing effusion. In cases of excessive pericardial effusion leading to acute cardiac tamponade, immediate pericardiocentesis and fluid drainage are necessary. For persistent recurrent pericarditis lasting over two years, and in patients who cannot be controlled with steroids, or those with severe chest pain, surgical pericardiectomy may be considered as a treatment option.

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Written by Tang Li
Cardiology
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What are the clinical considerations for acute pericarditis?

The treatment and prognosis of acute pericarditis mainly depend on the cause, and are also related to whether it is diagnosed and treated correctly early on. For various types of pericarditis, if constrictive syndrome occurs, pericardiocentesis should be performed immediately to relieve symptoms. In cases like tuberculous pericarditis, if not treated aggressively, it can usually progress to chronic constrictive pericarditis. Acute nonspecific pericarditis and post-cardiac injury syndrome may lead to recurrent attacks of pericarditis after the initial episode, known as recurrent pericarditis, with an incidence rate of about 20%-30%. This is one of the most difficult complications of acute pericarditis to manage. Clinically, it generally presents similar to acute pericarditis, with recurrent attacks months or years after the initial episode, accompanied by severe chest pain. Most patients should be treated again with high doses of non-steroidal anti-inflammatory drugs, slowly tapering over several months until the medication can be stopped. If ineffective, corticosteroid treatment may be administered; in severe cases, intravenous methylprednisolone may be given, and symptoms in most patients may improve within a few days. However, it is important to note that symptoms often reappear during steroid tapering.

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Written by Liu Ying
Cardiology
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Constrictive pericarditis clinical manifestations

Patients with constrictive pericarditis often have a history of pericarditis, pericardial effusion, malignant tumors, and other diseases. Some patients have an insidious onset with no obvious clinical symptoms in the early stages. The main symptoms can include palpitations, exertional dyspnea, decreased exercise tolerance, fatigue, enlarged liver, pleural effusion, abdominal effusion, and edema of the lower limbs. Patients with constrictive pericarditis commonly present with elevated jugular venous pressure, and often have a reduced pulse pressure. Most patients exhibit a negative apical beat during systole, with a commonly faster heart rate. The rhythm can be sinus, atrial, or ventricular, with premature contractions possible, as well as Kussmaul's sign. In the late stages, muscle atrophy, cachexia, and severe edema can occur.

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Cardiology
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Treatment of constrictive pericarditis

Constrictive pericarditis refers to a disease in which the heart is surrounded by a densely thickened fibrotic or calcified pericardium, restricting ventricular diastolic filling and producing a series of circulatory disorders, typically chronic in nature. In China, the most common cause of constrictive pericarditis is tuberculosis. Constrictive pericarditis is a progressive disease, and most patients will develop chronic constrictive pericarditis. At this stage, pericardiectomy is the only effective treatment method. It should be performed early to avoid complications such as cardiac cachexia, severe liver dysfunction, and myocardial atrophy, with surgery usually carried out after controlling the pericardial infection. For tuberculosis patients, anti-tuberculosis treatment should continue for one year after surgery.

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Written by Tang Li
Cardiology
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What are the infectious causes of pericarditis?

The causes of pericarditis include the following types: first, acute nonspecific; second, tumors; third, autoimmune disorders; fourth, metabolic diseases; fifth, physical factors such as trauma and radiation; sixth, diseases of adjacent organs and tissues, such as acute myocardial infarction, pleurisy, aortic dissection, pulmonary embolism, etc. The infectious causes of acute pericarditis mainly include viruses, bacteria, fungi, parasites, and rickettsiae. Common types of pericarditis include tuberculous pericarditis and purulent pericarditis.

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Written by Liu Ying
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Symptoms of acute pericarditis

Acute pericarditis is an acute inflammatory disease of the visceral and parietal layers of the pericardium, with the most common cause being viral infections. The hallmark of acute pericarditis is pain in the precardiac area behind the sternum. The nature of the pain is very sharp, typically occurring during the fibrinous exudation phase of inflammatory changes, caused by friction between the visceral and parietal layers of the pericardium. The pain can radiate to the neck, left shoulder, and even the upper abdomen. It is associated with respiratory movements and often worsens with coughing, deep breathing, or changing body positions. When fluid exudes into the pericardium, separating the visceral and parietal layers, the patient's pain may decrease or disappear. However, some patients may experience symptoms such as breathing difficulties and edema due to cardiac tamponade.