STS National Database

The STS National Database was established in 1989 as an initiative for quality improvement and patient safety in cardiothoracic surgery. The Database has four components, each focusing on a different area of cardiothoracic surgery.

View maps with the locations of STS National Database participants.


Join the Database

The STS National Database has become the gold standard for clinical registries. Find out how you can become involved, discover opportunities for international participants, and get information on participation fees.


COVID-19 and the STS National Database

Find updates on how the COVID-19 pandemic is affecting STS National Database operations.


Live Webinars 

You are invited to participate in a series of live, monthly webinars to get an update on the exciting changes under way to the STS National Database. Registration is not required for the webinars, but you will need to sign in with your name and email address to participate.

The webinars will be recorded and available online within 48 hours from the STS National Database Webinars page.


STS Composite Measure Series – Videos 

A number of new quality enhancements will be implemented in late 2021 and early 2022. These include a new composite methodology for coronary artery bypass grafting, a multiprocedure composite for major adult cardiac surgery procedures, and a composite for pulmonary resection.

A series of webinars will help inform the Database community about these composite measures prior to their addition to harvest reports. Learn more


Clinical Question Request Form

Are you struggling with a clinical question regarding data abstraction? Fill out the Clinical Question Request Form and get a response within 30 days.


HIPAA Information

The execution of the Participation Agreement and the Appendix I: Business Associate Contract & Data Use Agreement acknowledges that Participants, The Society of Thoracic Surgeons, and Duke Clinical Research Institute agree to comply with all statutes and regulations, under federal and state laws, concerning patient privacy and data security, including but not limited to the privacy regulations promulgated under the Health Insurance Portability and Accountability Act (HIPAA).