Original articleAdult cardiacTrends in Mitral Valve Surgery in the United States: Results From The Society of Thoracic Surgeons Adult Cardiac Database
Section snippets
Material and Methods
The STS ACSD now includes data for more than 3 million unique cardiac surgical operations from a majority of centers in North America. Clinical sites enter data using uniform definitions (available at: http://www.sts.org/doc/8428) and certified software systems. All data storage and analysis is performed at the Duke Clinical Research Institute.
Patient Population
Between January 2000 and December 2007, 210,529 mitral valve operations were identified in the STS ACSD at 910 centers. From this total, 127,261 patients (60%) were excluded owing to concomitant procedures (eg, concomitant bypass surgery), as were those with infective endocarditis, reoperation, those undergoing cardiopulmonary resuscitation or in cardiogenic shock, and those having pulmonary procedures and missing sex identification. Thus, our final study population consisted of a total of
Comment
This study evaluated outcomes for nearly 60,000 isolated mitral valve operations over an 8-year period. It provides a comprehensive assessment of the contemporary practice of mitral valve surgery and identifies a number of important trends, as well as areas for process and quality improvement. Between 2000 and 2007, the global rate of mitral valve repair increased from 42% to 61%, a 46% increase. This represents a significant increase above the 38% mitral repair rate reported in 1999 to 2000 [9
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