Chris Pettit

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OBJECTIVES This study examines outcomes in a national sample of patients undergoing isolated aortic valve replacement (AVR) for aortic stenosis, with particular focus on advanced-age patients and those with extreme severity of comorbid illness (SOI). METHODS Data were obtained from the Nationwide Inpatient Sample and included all patients undergoing AVRs(More)
BACKGROUND Previous studies have demonstrated that patients undergoing complex surgical procedures at high-volume centers have improved outcomes. The goal of this study was to determine if this volume-outcomes relationship persists at a national level among patients undergoing emergent open repair for thoracic aortic dissection. METHODS De-identified(More)
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