Plasma Sodium Levels and Cardiovascular Stability in Hemodialysis Patiens
A relationship betwen pre-hemodialysis (HD) plasma sodium and mortality has been described.
Patients with lower levels of sodium preHD have an increased risk adjusted of death.
There is a tendency to reduce mortality when dialyzed with Dialysate Sodium (DNa) above 140 mEq / L.
Patients with the lowest predialysis Sodium levels showed larger interdialysis weight gain and higher ultrafiltration rate than other groups. Intradialysis hypotension was most frequent in this group.
The predialysis serum Sodium level was negatively correlated with the ultrafiltration rate (moderate association), percent interdialysis weight gain (poor association) and percent sessions with hypotension (poor association).
These findings suggest a relationship between hyponatremia, hypervolemia and higher risk of intradialysis hypotension.