Clinical outcomes of surgical pulmonary valve replacement after repair of tetralogy of fallot and potential prognostic value of preoperative cardiopulmonary exercise testing
Circulation, ISSN: 0009-7322, Vol: 129, Issue: 1, Page: 18-27
2014
- 152Citations
- 159Captures
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Metrics Details
- Citations152
- Citation Indexes152
- 152
- CrossRef144
- Captures159
- Readers159
- 159
Article Description
BACKGROUND-: Indications for surgical pulmonary valve replacement (PVR) after repair of tetralogy of Fallot have recently been broadened to include asymptomatic patients. METHODS AND RESULTS-: The outcomes of PVR in adults after repair of tetralogy of Fallot at a single tertiary center were retrospectively studied. Preoperative cardiopulmonary exercise testing was included. Mortality was the primary outcome measure. In total, 221 PVRs were performed in 220 patients (130 male patients; median age, 32 years; range, 16-64 years). Homografts were used in 117 patients, xenografts in 103 patients, and a mechanical valve in 1 patient. Early (30-day) mortality was 2%. Overall survival was 97% at 1 year, 96% at 3 years, and 92% at 10 years. Survival after PVR in the later era (2005-2010; n=156) was significantly better compared with survival in the earlier era (1993-2004; n=65; 99% versus 94% at 1 year and 98% versus 92% at 3 years, respectively; P=0.019). Earlier era patients were more symptomatic preoperatively (P=0.036) with a lower preoperative peak oxygen consumption (peak (Equation is included in full-text article.)O2; P<0.001). Freedom from redo surgical or transcatheter PVR was 98% at 5 years and 96% at 10 years for the whole cohort. Peak (Equation is included in full-text article.)O2, E/CO2 slope (ratio of minute ventilation to carbon dioxide production), and heart rate reserve during cardiopulmonary exercise testing predicted risk of early mortality when analyzed with logistic regression analysis; peak (Equation is included in full-text article.)O2 emerged as the strongest predictor on multivariable analysis (odds ratio, 0.65 per 1 mL·kg·min; P=0.041). CONCLUSIONS-: PVR after repair of tetralogy of Fallot has a low and improving mortality, with a low need for reintervention. Preoperative cardiopulmonary exercise testing predicts surgical outcome and should therefore be included in the routine assessment of these patients. © 2013 American Heart Association, Inc.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84891878455&origin=inward; http://dx.doi.org/10.1161/circulationaha.113.001485; http://www.ncbi.nlm.nih.gov/pubmed/24146254; https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.113.001485; http://circ.ahajournals.org/lookup/doi/10.1161/CIRCULATIONAHA.113.001485; http://dx.doi.org/10.1161/CIRCULATIONAHA.113.001485; http://circ.ahajournals.org/content/129/1/18
Ovid Technologies (Wolters Kluwer Health)
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