Pericarditis natural history: Difference between revisions
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Revision as of 14:30, 18 August 2011
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Pericarditis Microchapters |
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Diagnosis |
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Treatment |
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Surgery |
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Case Studies |
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Pericarditis natural history On the Web |
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American Roentgen Ray Society Images of Pericarditis natural history |
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Risk calculators and risk factors for Pericarditis natural history |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Varun Kumar, M.B.B.S.
Overview
Pericarditis can lead to development of pericardial effusion, pericardial tamponade and constrictive pericarditis. Pericardial tamponade or compression of the heart by fluid in the pericardial sac reduces the ability of the heart to pump blood and is a medical emergency requiring urgent pericardiocentesis or a pericardial window. The prognosis depends on the complications of pericardits, the underlying etiology, and the associated co-morbidites. Pericarditis secondary to malignancy, MI, autoimmune disease and renal failure carries a poor prognosis.
Complications
The prognosis associated with pericarditis depends on the underlying cause and associated condition(s).
Click on the blue links below to read more about specific complications of pericarditis:
Pericardial Effusion
Many forms of pericarditis can be complicated by significant fluid buildup around the heart, a condition known as a pericardial effusion.
Pericardial Tamponade
If the fluid accumulates too rapidly or is too large, then cardiac tamponade, a condition in which the heart is compressed by the fluid and cannot pump enough blood forward may occur. Cardiac tamponade may require urgent intervention including pericardiocentesis or a pericardial window. This complication is more common in patients with specific underlying etiologies such as malignancy, tuberculosis[1], or purulent pericarditis and rarely occurs in idiopathic pericarditis.
Constrictive Pericarditis
If scarring of the sac around the heart (the pericardium) occurs, then this is called constrictive pericarditis which may require surgical stripping of the scar (pericardiectomy).
Prognosis
Idiopathic Pericarditis
Idiopathic pericarditis is often self-limited and most patients recover in 2 weeks to 3 months. Idiopathic or viral pericarditis is associated with a favorable long-term prognosis[2]with few developing recurrences[3]. Approximately 15-30% of patients with idiopathic acute pericarditis who are not treated with colchicine will develop recurrent pericarditis.
Post MI Pericarditis or Dressler's Syndrome
Post MI pericarditis is usually associated with larger infarcts, and therefore these patients have a poorer long term prognosis.
Tuberculous Pericarditis
The mortality rate associated with tuberculous pericarditis in the preantibiotic era was 80-90%[4]. The mortality rate is currently 8-17%[5][6] The mortality is 17-34% if the tuberculous pericarditis is associated with HIV[7].
Traumatic Pericardial Injury
In penetrating injuries, pericardial effusion and tamponade may develop rapidly. Early detection and early treatment of cardiac tamponade is associated with a good prognosis. Minor perforations, isolated right ventricular wounds, and a systolic blood pressure more than 50 mm Hg are all associated with better outcomes.
Malignant Pericarditis
Pericarditis associated with malignancy is associated with poorer outcomes and a more complicated course.
Autoimmune Disease
Pericarditis associated with scleroderma and rheumatic fever is associated with worse outcomes.
Renal Failure
Pericarditis associated with renal failure is associated with significant morbidity and may result in hemorrhagic pericarditis[8]
References
- ↑ Mayosi BM, Burgess LJ, Doubell AF (2005). "Tuberculous pericarditis". Circulation. 112 (23): 3608–16. doi:10.1161/CIRCULATIONAHA.105.543066. PMID 16330703.
- ↑ Ilan Y, Oren R, Ben-Chetrit E (1991). "Acute pericarditis: etiology, treatment and prognosis. A study of 115 patients". Jpn Heart J. 32 (3): 315–21. PMID 1920818.
- ↑ Shabetai R (1990). "Acute pericarditis". Cardiol Clin. 8 (4): 639–44. PMID 2249218.
- ↑ Harvey AM, Whitehill MR. Tuberculous pericarditis. Medicine. 1937; 16: 45–94
- ↑ Desai HN (1979). "Tuberculous pericarditis. A review of 100 cases". S Afr Med J. 55 (22): 877–80. PMID 472922.
- ↑ Bhan GL (1980). "Tuberculous pericarditis". J Infect. 2 (4): 360–4. PMID 7185934.
- ↑ Hakim JG, Ternouth I, Mushangi E, Siziya S, Robertson V, Malin A (2000). "Double blind randomised placebo controlled trial of adjunctive prednisolone in the treatment of effusive tuberculous pericarditis in HIV seropositive patients". Heart. 84 (2): 183–8. PMC 1760932. PMID 10908256.
- ↑ Nicholls, AJ. Heart and Circulation. In: Handbook of Dialysis, Daugirdas, JT, Ing, TS (Eds), Little, Brown and Co., New York 1994. p.149.