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Background and objectives: There are controversial results in the literature regarding urinary electrolytes, especially potassium, in enuretic children. KCNJ10 channel protein, a member of the Kir 4.1 family is expressed in renal distal
Primary nocturnal enuresis (PNE) is the most common type of nocturnal enuresis in children, but its etiology remains unclear. Recent studies indicated the differences in urinary electrolytes in enuretic children, and stressed the existence of a renal tubular maturation defect. In this study, 30
OBJECTIVE
We investigated the effect of imipramine on nocturnal urine output in patients with nocturnal enuresis.
METHODS
There were 15 monosymptomatic enuretic patients 15 to 37 years and 8 control subjects 25 to 32 years old. We measured nocturnal urine output, urine osmolality, creatinine
OBJECTIVE
Desmopressin may be a useful treatment in some, but not all, patients with nocturnal enuresis. We have evaluated a relation between nocturnal urine output in patients with primary monosymptomatic nocturnal enuresis and the treatment response to synthetic vasopressin.
METHODS
Adolescent or
OBJECTIVE
To compare excretion of ions and prostaglandins by the kidney in children with noctural enuresis.
METHODS
Thirty-two children with primary nocturnal enuresis and 23 normal children were examined. Osmolality and sodium and potassium concentrations were measured in their urine and blood
OBJECTIVE
We evaluated the acute effect of indomethacin on renal water and solute handling in children with coexisting monosymptomatic nocturnal enuresis and desmopressin resistant nocturnal polyuria, and in healthy controls.
METHODS
A total of 23 subjects were recruited, consisting of 12 children
OBJECTIVE
We verify the sodium fraction excretion rate (FE Na) and potassium fraction excretion (FE K) rates in monosymptomatic nocturnal enuresis. We also correlate FE Na and FE K to urinary osmolality, nocturnal polyuria and vasopressin in the same population.
METHODS
A total of 438 children 6 to
OBJECTIVE
The aim of this study was to investigate the pathophysiologic cause(s) of primary nocturnal enuresis. Therefore, electrolyte concentrations of urine specimens were evaluated in the morning, and alterations compared between enuretics and nonenuretics.
METHODS
First morning urine specimens
The position of copeptin (C-terminal fragment of antidiuretin propeptide) as a marker of primary monosymptomatic nocturnal enuresis (PMNE) is under debate, and there are no data on the relation between copeptin and clinical and biochemical parameters in these patients. Aim of the study OBJECTIVE
Although nocturnal polyuria in patients with monosymptomatic enuresis can largely be explained by the decreased nocturnal vasopressin secretion hypothesis, other circadian rhythms in the kidney also seem to have a role. We recently documented an absent day/night rhythm in a subgroup of
OBJECTIVE
To assess urinary nitrite excretion, a stable end product of nitric oxide (NO), in patients with enuresis and in normal controls, and to evaluate the effects of indomethacin (a potent prostaglandin synthesis inhibitor) on urinary nitrite excretion, other urinary variables and bladder
OBJECTIVE
To report an atypical presentation of shock and acute adrenal insufficiency in an adolescent male.
METHODS
A 14-year-old boy with a history of nocturnal enuresis presented with a clinical picture suggestive of septic shock refractory to aggressive fluid and vasopressor management. History
OBJECTIVE
In a subgroup of children with enuresis an increase in nighttime water and solute excretion has been documented. To investigate if modifications in renal function are involved in nocturnal enuresis, we assessed circadian variation in natriuresis and tubular sodium handling in polyuric
The circadian variation of plasma atrial natriuretic peptide (ANP) in relation to urinary excretion of sodium (UNa) and potassium (UK) as well as clearance of creatinine (Ccrea) was assessed in 15 juvenile patients with enuresis nocturna and compared with 11 age-, sex-, and weight-matched normal
OBJECTIVE
We investigate the underlying pathophysiological cause of primary nocturnal enuresis by comparing electrolyte alterations in urine samples of enuretics during the daytime and nighttime compared with those of nonenuretic subjects.
METHODS
Urine output, urine specific gravity and urinary