Claudia Robertson, and others, showed that the Lund concept was correct.

They have changed the US guidelines. In 1996, the US guidelines also recommended high arterial blood pressure, with high doses of norepinephrine, but current US guidelines recommend exactly the same cerebral perfusion pressure as us. They have approached the ideas of the Lund concept, but also other concepts. The difference between the guidelines nowadays is not as large as it was in the beginning, because other guidelines have approached the Lund concept in many aspects.” ¹⁾.