Redo mitral valve surgery: morphological features

Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology
Adriana LukJagdish Butany

Abstract

Mitral valve (MV) repair is the surgery of choice in patients with mitral regurgitation. This study reviews the histological features of excised mitral leaflets and annuloplasty rings of patients who had previous MV repair or attempted repair. This study examines the morphological findings of 54 excised MV leaflets and 39 annuloplasty rings, excised over 15 years at one institution. Patients were separated into groups based on the time interval between surgeries: attempted repair, <30 days, 30-365 days, and >1 year. The fifty-four patients had a mean age of 55.7+/-17.9 years at the time of surgery after failed repair or attempted repair, of the MV. Index surgery for all patients had been performed between 1973 and 2005. The interval between index surgery and readmission (n=49, 91%, excluding those with MV replacement following attempted repair) was 6.61+/-7.12 years. Myxomatous change and infective endocarditis (IE) were found in valves with failed attempted MV repair. Nonleaflet (ischemic, chordal rupture, and flow abnormalities) and acquired changes, degenerative, myxomatous, and IE were found in valves repaired in patients at <30 days postoperatively. Degenerative changes (myxomatous and RF) were the main underlying patholog...Continue Reading

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Citations

Feb 4, 2014·The Annals of Thoracic Surgery·Song Wan
Oct 25, 2011·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Christiane Gruner, Harry Rakowski
Aug 16, 2008·Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology·Adriana LukJan Komtebedde
Feb 17, 2019·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Stefaan BouchezThierry Bové

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