than the regular one in particular lower than 135 meq l in the scope of the present invention maintenance means the maintenance of the electrolyte balance in the pediatric subject which is unable to self hydrate autonomously in the scope of the present invention parenteral rehydration means the therapeutic remedy for maintaining or restoring the water electrolyte and metabolite pool of the organism through intravenous administration of active ingredients in the scope of the present invention hydro electrolyte maintenance solution means an aqueous electrolyte solution suitable for the sustained maintenance of solute concentrations in the aqueous environment of an organism peripheral circulation in the scope of the present invention standard pediatric maintenance solution means a infusion solution wherein 1000 ml consist of glucose anhydrous 50 000 g sodium acetate 3 h 2 o 4 080 g sodium chloride 1 170 g potassium chloride 1 680 g magnesium chloride 6 h 2 o 0 508 g calcium chloride 2 h 2 o 0 184 g mosm l 450 ph 5 sodium 50 00 meq l acetate 38 000 meq l potassium 22 500 meq l magnesium 5 0 meq l calcium 2 5 meq l chloride 50 0 meq l in the scope of the present invention ringer lactate means a solution which is isotonic compared with blood suitable for intravenous administration wherein 1000 ml consist of sodium ion 132 meq 130 mmol l chloride ion 112 meq 109 mmol l lactate 29 meq 28 mmol l potassium ion 5 meq 4 mmol l calcium 4 meq 2 mmol l in the solutions object of the present invention the electrolyte concentration is lower than the physiological solution 154 meq l of nacl and a part of sodium has.