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The first open-heart surgery in Gdansk took place in 1975. It was possible thanks to the gift of a Pemco extracorporeal circulation machine from the Netherlands to the Surgery Institute of the Medical Academy of Gdansk. The article presents additional, unpublished informations which enable a new interpretation of the previously known facts.

Beginnings of open-heart surgery in Gdansk – double role of the Pemco heart-lung machine and new facts about Dutch-Polish cooperation