Key result
STS Adult Cardiac Surgery Database holds ~8.6 million records for risk modeling and outcomes research.
The STS Adult Cardiac Surgery Database continues to serve as a massive, evolving national platform for quality improvement, risk modeling, and outcomes research in cardiac surgery.
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STS ACSD enables quality metrics and outcomes research; leaves open how ongoing evolution will refine future risk models.
The Society of Thoracic Surgeons (STS) Adult Cardiac Surgery Database (ACSD) is one of the largest and most comprehensive clinical databases, containing data from over 8.6 million cardiac surgeries performed in the United States. The ACSD provides a platform for quality through risk modeling and performance metrics, scientific inquiry through robust outcomes research, and health policy through broad hospital participation. The ACSD is a dynamic, continuously evolving tool for the specialty, with recent initiatives including linkage to longitudinal health data as well as refinement and expansion of existing risk models. This report summarizes the current status of the ACSD as well as major trends in the specialty. Specifically, data on procedural volumes, surgical practices, and outcomes as well as ACSD research are discussed.
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Hui et al. (2026) studied this question. The Society of Thoracic Surgeons Adult Cardiac Surgery Database contains data from over 8.6 million surgeries, providing a platform for risk modeling, outcomes research, and health policy.
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