International Thoracic Organ Transplant (TTX) Registry
Registry Resources
International Thoracic Organ Transplant (TTX) Registry Slides
The TTX Registry is pleased to share analyses of the TTX Registry data available to members, health care providers, and the public. The information includes recipient and donor characteristics, annual trends in selected characteristics, and post-transplant survival data stratified by age group (adult and pediatric) and organ type (heart and lung).
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2024 Annual Report from the ISHLT International Thoracic Organ Transplant Registry
This comprehensive report includes newly submitted data from 12 global partners and covers heart and lung transplantations from 1992 to 2024.
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TTX Registry Report: Early Renal Failure After Primary Thoracic Organ Transplantation
This is a special report from the International Society for Heart and Lung Transplantation (ISHLT) International Thoracic Organ Transplant (TTX) Registry focuses on renal failure after thoracic organ transplantation.
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International Thoracic Organ Transplant (TTX) Registry) Data Fields / Look Up Tables / Forms
Spreadsheets providing the list of data fields that the TTX Registry collects.
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International Thoracic Organ Transplant (TTX) Registry Data Use Agreement
Individuals requesting standard deidentified datasets will be required to sign a Data Use Agreement (DUA) before receiving the dataset.
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International TTX Registry Steering Committee Charter
Composition, aims and responsibilities for the TTX Registry Steering Committee.
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International Thoracic Organ Transplant (TTX) Registry Data Request Policy
All requests for data and/or analysis from the International Thoracic Organ Transplant (TTX) Registry must be submitted using the ISHLT Data/Analysis Request Form.
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International Thoracic Organ Transplant (TTX) Registry Enrollment Policy
All institutions and countries performing heart, heart-lung, and/or lung transplantation are invited to submit data to the ISHLT TTX Registry through a data sharing arrangement with the regional/national Data Collectives or Registry Partners.
Registry News
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Thoracic Transplantation Around the Globe: An ISHLT2025 Registry Special Session Recap15 May 2025The ISHLT International Thoracic Organ Transplant (TTX) Registry hosted a special session at ISHLT2025 in Boston to highlight the recent progress in international data sharing with the ISHLT Registry following the challenges of evolving privacy regulations.
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2023 International Thoracic Organ Transplant (TTX) Registry Report16 April 2025The 2023 International Thoracic Organ Transplant (TTX) Registry Report is now available. This is a special report focuses on renal failure after thoracic organ transplantation.
Data Coordinating Center
The Data Coordinating Center (DCC) for the TTX Registry is the United Network for Organ Sharing (UNOS). UNOS hosts the database and manages the collection and analysis of the data. Questions about the TTX Registry and the data submission process may be directed to ishlthelp@unos.org.
TTX Registry Steering Committee
The TTX Registry Steering Committee is responsible for the oversight of the registry's operation and monitoring its ongoing progress.
Questions?
Contact Olivia Penninger at +1-312-224-1253 or send an email to olivia.penninger@ishlt.org.