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An update on the relationship between the kidney, salt and hypertension

  • Gert Mayer
Themenschwerpunkt

Summary

The relationship between salt intake and blood pressure has been noteworthy for a long time. Nevertheless, the complex hemodynamic alterations associated with the salt-induced blood pressure changes have become clear only quite recently. Despite this knowledge, the concept of Guyton, which postulates that any increase in blood pressure should lead to a pressure natriuresis normalising blood pressure over the long term is still valid. As a conclusion, we have to remember that an elevation of arterial pressure can only be maintained if renal function as indicated by pressure natriuresis is impaired.

Keywords

Hypertension Kidney function Salt 

Niere, Kochsalz und Blutdruck

Zusammenfassung

Seit langer Zeit ist der Zusammenhang zwischen Salzkonsum und Hypertonie bekannt. Die genauen pathophysiologischen Veränderungen, die diesem Verhältnis zu Grunde liegen, wurden allerdings erst kürzlich etwas genauer beschrieben. Trotz dieser neuen Erkenntnisse bleibt die Aussage von Guyton gültig, dass ein erhöhter Blutdruck nur dann bestehen kann, wenn eine der basalen Funktionen der Nieren, die sogenannte Drucknatriurese, gestört ist.

Schlüsselwörter

Hypertonie Nierenfunktion Kochsalz 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Division of Nephrology and Hypertensiology, Department of Internal Medicine IVInnsbruckAustria

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