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[Emergency valvular replacement in infective endocarditis: hospital and long term clinical course. Analysis of 45
J M Alegret1, X Borràs, C Alonso
1Departament de Cardiologia i Cirurgia Cardiaca, Hospital de la Santa Creu i Sant Pau, Barcelona.
Background:
To define the evolution of patients with infective endocarditis who require urgent valve replacement in our environment.
Patients And Methods:
We followed 45 consecutive cases of infective endocarditis that require valve replacement during their hospitalization. 32 patients had native valve infective endocarditis, 7 early prosthesis valve endocarditis and 6 late prosthesis valve endocarditis. Patients were followed for a long-term period, clinical and echocardiographycally.
Results:
In 39 cases valve replacement was performed before ending antibiotic therapy. The main indications for surgery were refractory heart failure (24 patients) and shock (11 patients). The mortality rate was 24%: 19% in native valve infective endocarditis, 43% in early prosthetic valve endocarditis and 33% in late prosthesis valve endocarditis. The first cause of death was septic shock (46%). We followed 31 over 34 survivors for a mean time 65 (DS 49) months. We found two relapses and six deaths (1 sudden death, 2 endocarditis) and 72% of patients presented class I NYHA. We detected 17% prosthetic leaks (34% in the prosthetic valve endocarditis group).
Conclusions:
The need of urgent valve replacement in the context of infective endocarditis is associated with a high mortality rate, and should be considered a serious condition. Long term prognosis is, however, acceptable, although 17% of patients had prosthesis leak, specially those with prosthetic valve endocarditis.