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  • Title: Clinical course and complications of infective endocarditis in patients growing up with congenital heart disease.
    Author: Knirsch W, Haas NA, Uhlemann F, Dietz K, Lange PE.
    Journal: Int J Cardiol; 2005 May 25; 101(2):285-91. PubMed ID: 15882677.
    Abstract:
    BACKGROUND: Although a high number of patients with congenital heart disease (CHD) undergo surgical palliation or definite correction up to adolescence, adult congenital heart disease (ACHD) may remain a potential lifelong risk factor for infective endocarditis (IE) in patients growing up with congenital heart disease (GUCH). METHODS: In a retrospective case study of a tertiary care center long-term clinical course and complications of patients with IE and GUCH were analysed. RESULTS: Data of 52 patients with CHD, who fulfilled the Saiman criteria for infective endocarditis and were treated between April 1986 and March 2001, were identified: Risk factors for infective endocarditis were previous cardiovascular operation (51.9%), use of foreign material (38.5%), dental or other surgical procedures without recommended antibiotic prophylaxis (25.0%), or cardiac catheterization (5.8%). Staphylococcal (38.9%) or streptococcal species (35.2%) were cultivated in most cases as causative microorganisms. Complications were: recurrence of IE (7.7%), septic embolisms (30.8%) leading to central nervous complications (7.7%), embolism of pulmonary arteries (7.7%), renal arteries (1.9%), arteries of the extremities (9.6%), or infarction of spleen (1.9%). Other cardiac (23.1%) or extracardiac (13.5%) complications were frequent. The need of re-operations during or after IE was high (67.3%). The hospital mortality was 1.9%, late mortality was 7.7%. CONCLUSIONS: Patients with IE and CHD show a broad clinical spectrum of cardiac and extracardiac complications. They may lead to a complicative short- and long-term course with the potential risk of death and a high number of re-operation. Efforts have to be made to improve long-term outcome of patients with ACHD by an interdisciplinary cooperation.
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