The Herz und Diabeteszentrum (Heart and Diabetes Centre), is a heart clinic in the German town Bad Oeynhausen.

It is known for performing the most heart transplants in Germany (over 2,700 since 1989).

Besides having a lot of cooperations with the clinics and institutes of the Ruhr-Universität Bochum, it has a lot of national and international cooperations.

International cooperations are:[2] The general orientation of the HDZ NRW is to improve the quality of living of cardiac and diabetes patients by a great amount.

The patients get the best treatment with a low risk due to their high performance technology.