Sauerstoff in der Medizin

Kernaussagen

• Zentrale Größe zur Beurteilung der Sauerstoffversorgung ist der Sauerstoffgehalt.

• Herzpumpe und Atempumpe hängen funktionell eng zusammen.

• Auch stark hyperkapnische Werte führen nicht zu dauerhaften Schäden, wenn keine Hypoxie vorliegt.

• Inspiratorische Sauerstoffkonzentrationen auf der Intensivstation sollten immer unter 50 % liegen (Ausnahme: akute Situationen). Ein ARDS entsteht vermutlich öfter durch zu hohe inspiratorische Sauerstoffgaben und zu hohe Beatmungsdrucke als durch die Erkrankung.

• Ein Cor pulmonale bei chronischer Hypoxämie ist ein sinnvoller Anpassungsmechanismus, der nicht behandelt werden muss. Es bildet sich wieder zurück, wenn sich die Grunderkrankung bzw. die damit verbundene Hypoxämie bessert.

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