urine-plasma
1.The correlation coefficient between mean urine-plasma sodium concentration ration and 24-hour urine volume was 0.79 in patients with CSW(P<0.05).
2.Objective To investigate the significance of urine-plasma osmotic pressure ratio and urine-plasma sodium concentration ratio in diabetes insipiclus(DI) and cerebral salt wasting syndrome(CSW) in traumatic brain injury.
3.The urine-plasma sodium concentration ratio is useful in predicting CSW couse long or short in post head injury CSW.
5.Methods: This study was based on 68 patients with ACI. The changes of atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), endogenous digitalis like substance (EDLS), antidiuretic hormone (ADH) and serum Na +, urine Na +, plasma osmolality, urine osmolality were observed. The TRH provocative test was observed in GCS≤8 patients.

