Long-term outcomes of the ross procedure versus mechanical aortic valve replacement

Amine Mazine, Tirone E. David, Vivek Rao, Edward J. Hickey, Shakira Christie, Cedric Manlhiot, Maral Ouzounian

Research output: Contribution to journalArticle

Abstract

Background: The ideal aortic valve substitute in young and middle-aged adults remains unknown. We sought to compare the long-term outcomes of patients undergoing the Ross procedure and those receiving a mechanical aortic valve replacement (AVR). Methods: From 1990 to 2014, 258 patients underwent a Ross procedure and 1444 had a mechanical AVR at a single institution. Patients were matched into 208 pairs through the use of a propensity score. Mean age was 37.2±10.2 years, and 63% were male. Mean follow-up was 14.2±6.5 years. Results: Overall survival was equivalent (Ross versus AVR: hazard ratio, 0.91, 95% confidence interval, 0.38-2.16; P=0.83), although freedom from cardiac- and valve-related mortality was improved in the Ross group (Ross versus AVR: hazard ratio, 0.22; 95% confidence interval, 0.034-0.86; P=0.03). Freedom from reintervention was equivalent after both procedures (Ross versus AVR: hazard ratio, 1.86; 95% confidence interval, 0.76-4.94; P=0.18). Long-term freedom from stroke or major bleeding was superior after the Ross procedure (Ross versus AVR: hazard ratio, 0.09; 95% confidence interval, 0.02-0.31; P<0.001). Conclusions: Long-term survival and freedom from reintervention were comparable between the Ross procedure and mechanical AVR. However, the Ross procedure was associated with improved freedom from cardiac- and valve-related mortality and a significant reduction in the incidence of stroke and major bleeding. In specialized centers, the Ross procedure represents an excellent option and should be considered for young and middle-aged adults undergoing AVR.

Original languageEnglish (US)
Pages (from-to)576-585
Number of pages10
JournalCirculation
Volume134
Issue number8
DOIs
StatePublished - Aug 23 2016
Externally publishedYes

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Keywords

  • aortic valve
  • propensity score
  • surgery
  • treatment outcome

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Mazine, A., David, T. E., Rao, V., Hickey, E. J., Christie, S., Manlhiot, C., & Ouzounian, M. (2016). Long-term outcomes of the ross procedure versus mechanical aortic valve replacement. Circulation, 134(8), 576-585. https://doi.org/10.1161/CIRCULATIONAHA.116.022800