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Current Features ofInfectiveEndocarditis inElderly Patients Emanuele Durante‐MangoniSuzanne BradleyChristine Selton‐Suty2008 год

Current Features of Infective Endocarditis in Elderly Patients
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Аннотация:

Background

Elderly patients are emerging as a population at high risk for infective endocarditis (IE). However, adequately sized prospective studies on the features of IE in elderly patients are lacking.

Methods

In this multinational, prospective, observational cohort study within the International Collaboration on Endocarditis, 2759 consecutive patients were enrolled from June 15, 2000, to December 1, 2005; 1056 patients with IE 65 years or older were compared with 1703 patients younger than 65 years. Risk factors, predisposing conditions, origin, clinical features, course, and outcome of IE were comprehensively analyzed.

Results

Elderly patients reported more frequently a hospitalization or an invasive procedure before IE onset. Diabetes mellitus and genitourinary and gastrointestinal cancer were the major predisposing conditions. Blood culture yield was higher among elderly patients with IE. The leading causative organism wasStaphylococcus aureus, with a higher rate of methicillin resistance.Streptococcus bovisand enterococci were also significantly more prevalent. The clinical presentation of elderly patients with IE was remarkable for lower rates of embolism, immune-mediated phenomena, or septic complications. At both echocardiography and surgery, fewer vegetations and more abscesses were found, and the gain in the diagnostic yield of transesophageal echocardiography was significantly larger. Significantly fewer elderly patients underwent cardiac surgery (38.9% vs 53.5%;P < .001). Elderly patients with IE showed a higher rate of in-hospital death (24.9% vs 12.8%;P < .001), and age older than 65 years was an independent predictor of mortality.

Conclusions

In this large prospective study, increasing age emerges as a major determinant of the clinical characteristics of IE. Lower rates of surgical treatment and high mortality are the most prominent features of elderly patients with IE. Efforts should be made to prevent health care–associated acquisition and improve outcomes in this major subgroup of patients with IE.
Год издания: 2008
Авторы: Emanuele Durante‐Mangoni, Suzanne Bradley, Christine Selton‐Suty, Marie Françoise Tripodi, Bruno Baršić, Emilio Bouza, Christopher H. Cabell, Auristela Isabel de Oliveira Ramos, Vance G. Fowler, Bruno Hoen, Pam Koneçny, Asunción Moreno, David Murdoch, Paul Pappas, Daniel J. Sexton, Denis Spelman, Pierre Tattevin, José M. Miró, Jan T. M. van der Meer, Riccardo Utili
Издательство: American Medical Association
Источник: Archives of Internal Medicine
Ключевые слова: Infective Endocarditis Diagnosis and Management, Antimicrobial Resistance in Staphylococcus, Cardiac Valve Diseases and Treatments
Другие ссылки: Archives of Internal Medicine (HTML)
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