Infective Endocarditis Complicated by Paravalvular Abscess: A Surgical Challenge. An 11-Year Single Center Experience

  • Kyriakos Spiliopoulos
  • Ayman Haschemi
  • Gabriel Fink
  • Bernhard-Michael Kemkes

Abstract

Aim: To evaluate the impact of paravalvular abscess in the surgical management and outcome of infective endocarditis.

Methods: Retrospective review of 35 patients with paravalvular abscess due to active endocarditis operated on at 1 institution from September 1996-August 2007. Patients' mean age was 59.4 ± 12.1 years; 80% were men. 31 patients suffered from native- and 4 from prosthetic valve endocarditis. In 23 cases the affected valve was the aortic, in 7 cases the mitral, in 4 cases both (mitral and aortic), and in 1 patient the tricuspid; no abscess presence was noticed by pulmonal annuluses. Surgical procedures included radical lesion-resection as well as reconstruction of the annulus with pericardial patches. Most of the patients were preoperatively in New York Heart Association (NYHA)-class III-IV. Follow-up was 100% complete with a maximum of 11.25 years.

Results: Early mortality (30 days) was 11.4% (n = 4). The 11-year overall survival rate was 68.7 ± 9% (76.1% for aortic valve patients and 26.9% for mitral valve patients (P = .15). With regard to the type of prosthetic devices, the survival rates at 11.25 years were 74.2% for mechanical, 80% for biological, and 45.6% for other/reconstructive (P = .6). There were no episodes of recurrent endocarditis; hence freedom of recurrent endocarditis at 11 years was 100%. Causative microorganisms were approximately 30% Staphylococci, and MRSA seems to induce more frequent destructive lesions like paravalvular abscess.

Conclusions: Considering the severity of the onset, a radical surgical treatment delivers acceptable long-term results by acceptable operative mortality. The choice of the prosthetic device seems not to be influential in long-term survival and morbidity.

References

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Published
2010-05-05
How to Cite
Spiliopoulos, K., Haschemi, A., Fink, G., & Kemkes, B.-M. (2010). Infective Endocarditis Complicated by Paravalvular Abscess: A Surgical Challenge. An 11-Year Single Center Experience. The Heart Surgery Forum, 13(2), E67-E73. https://doi.org/10.1532/HSF98.20081141
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Articles