Complete reconstruction of the anterior leaflet with a xenopericardium patch and native chordae reimplantation may be a viable alternative to tricuspid valve replacement in massive endocarditis.
May support repair over replacement in select tricuspid endocarditis cases; leaves open durability and applicability questions.
Tricuspid valve (TV) endocarditis is a common complication in intravenous drug addicts. In case of TV replacement, the main issue is the high risk of new endocarditis on TV prosthesis. On November 2014, a 44 year-old male patient with a history of intravenous drug addiction was referred for TV endocarditis owing to Staphylococcus aureus and severe regurgitation complicated by pulmonary embolism and heart failure. Preoperative echocardiography showed a large vegetation of the anterior leaflet (1.95 × 0.92 cm) covering a huge hole in the leaflet itself. Herein, a novel technique for the treatment of massive endocarditis of the TV is described. Complete anterior leaflet reconstruction was achieved with a huge equine pericardium patch along with native chordae tendinae reimplantation onto the free edge of the patch. Finally, a ring annuloplasty was performed to stabilize the valve reconstruction. The postoperative course was uneventful with evidence of trivial tricuspid regurgitation and no signs of IE recurrence. Complete reconstruction of the anterior leaflet with a patch of xenopericardium and native chordae tendinae reimplantation might be an alternative technique to TV replacement.
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Giammarco et al. (2016) studied this question.
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