Elsevier

The Annals of Thoracic Surgery

Volume 90, Issue 6, December 2010, Pages 1862-1867
The Annals of Thoracic Surgery

Original article
Adult cardiac
Survival and Quality of Life After Aortic Root Replacement With Homografts in Acute Endocarditis

https://doi.org/10.1016/j.athoracsur.2010.06.100Get rights and content

Background

Treatment of prosthetic aortic valve endocarditis and native aortic valve endocarditis with abscess formation is associated with high mortality and morbidity. Aortic root replacement with a freestanding aortic homograft is an attractive alternative. We report outcome and quality of life after homograft replacement for infective endocarditis.

Methods

Sixty-two patients with infective prosthetic valve endocarditis (n = 31) or native valve endocarditis with abscess (n = 31), operated with homograft replacement were included. Thirty-day mortality, severe operative complications (dialysis, stroke, pacemaker implantation, myocardial infarction, and prolonged mechanical ventilation), midterm survival, reoperations, and quality of life were assessed after a mean follow-up of 37 ± 11 months.

Results

Nine patients (15%) died within 30 days and 22 patients (35%) had severe perioperative complications. Preoperative and perioperative variables univariately associated with early mortality were higher (Cleveland Clinic risk score [p = 0.014], extracorporeal circulation time [p = 0.003], prolonged inotropic support [p = 0.03], reoperation for bleeding [p = 0.01], and perioperative myocardial infarction [p < 0.001].) Cumulative survival was 82%, 78%, 75%, and 67% at one, three, five, and ten years, respectively. One patient was reoperated due to recurrence of endocarditis nine months after surgery and one after five years due to homograft failure. Quality of life, as assessed by the 36 item short-form health survey scales for physical and mental health, was not significantly different to an age-matched and gender-matched healthy control group.

Conclusions

Severe acute aortic endocarditis treated with homograft replacement is still associated with a substantial early complication rate and mortality. Long-term survival and quality of life are satisfactory in patients surviving the immediate postoperative period.

Section snippets

Patients

All patients (n = 62) operated with a cryopreserved homograft for active aortic PVE or aortic NVE with periannular aortic root abscess between January 1997 and June 2008 were included in the study. The regional research ethics committee waived informed consent for the study. Mean age was 57 ± 15 years (range, 19 to 80) and 48 patients (77%) were male. Thirty-one patients (50%) had PVE and 31 patients had NVE. Thirty-two (52%) of the patients had previously undergone one (n = 28), two (n = 3),

Mortality

Nine patients (15%) died during the first 30 postoperative days; six in the prosthetic endocarditis group and three in the native endocarditis group (p = 0.28). Seven patients died of multiorgan failure; five due to heart failure and two due to progressive sepsis. Two patients died from neurologic complications. Eight of the nine (89%) patients who died had a periannular abscess (Table 4). Four nonsurvivors had autopsies. None of the patients had any technical issues with the coronary artery

Comment

The main findings of the present study were the following: (1) severe acute aortic endocarditis treated with homograft replacement is still associated with a substantial early complication rate and mortality; and (2) long-term survival and quality of life are satisfactory in patients surviving the immediate postoperative period.

In the present study, 30-day mortality in the subset of patients with PVE was 19%, which is comparable or better than most reports on the subject [3, 4, 6, 7, 10] but

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