A prospective trial comparing isotonic with hypotonic maintenance fluids for prevention of hospital-acquired hyponatraemia.

Background: Recent literature suggests that hypotonic fluids increase the risk of hospital-acquired hyponatraemia; despite this, hypotonic fluids are widely used.

Objectives: To compare the change in serum sodium following the use of hypotonic (0.3% saline, 0.

[Clinical and laboratory tests characteristics in children with nephrolithiasis: case control study].

Objectives: To evaluate the clinical and laboratory findings in pediatric patients with urolithiasis in a case control study and to obtain variables predicting a low risk of having urolithiasis.

Methods: Retrospective analysis of 24 cases of children with urolithiasis (age range 3 to 17 years old) admitted to the pediatric emergency room or the hospital ward. Clinical and laboratory information was obtained from the clinical charts and compared with a control group of 29 patients with history of abdominal pain admitted to the hospital.