![Pre-implementation notice: Removing DSA from thoracic allocation system](https://unos.org/wp-content/uploads/News_System-changes-1-line-e1560353318566.png)
Pre-implementation notice: Removing DSA from thoracic allocation system
On Thursday, Jan. 9, several OPTN policy updates will be implemented to eliminate the use of DSAs from heart transplantation and replace them with a 250 nautical mile circle.
On Thursday, Jan. 9, several OPTN policy updates will be implemented to eliminate the use of DSAs from heart transplantation and replace them with a 250 nautical mile circle.
With the new application programming interfaces, users no longer need to log into UNet, navigate to TIEDI and save or upload files manually.
UNOS has planned several improvements to the security administration section of UNet that will take effect on January 16, 2020.
The addition of pancreas data was based on community feedback. UNOS researchers continue to develop new tools to assist members in their work to increase transplants.
We plan to make changes to the KPD system to improve the way it prioritizes candidate-donor matches, especially for hard-to-match pairs.
We are compiling data gathered during the pilot.