[How to prevent the TUR-syndrome (author's transl)].

The TUR-syndrome is due to the absorption of irrigating fluid free of electrolytes, producing hypervolemia, and dilutional hyponatremia, as well as hyperkalemia. Strict adherence to the above ten rules is necessary in preventing the TUR-syndrome. After using them for 30 years, we were able to avoid this complication without using non-hemolytic solutions nor limiting the operative time.