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  • 1
    Electronic Resource
    Electronic Resource
    Durstregulation bei terminaler Niereninsuffizienz (1990)
    Springer
    Journal of molecular medicine 68 (1990), S. 1127-1133 
    Details
    ISSN: 1432-1440
    Keywords: Thirst regulation ; Vasopressin ; Renin-angiotensin-system ; Atrial natriuretic peptide ; Endstage renal disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary About 30% of hemodialyzed patients are suffering from chronic fluid overload despite advice to restrict the oral fluid intake. To investigate the cause of the abnormal drinking behaviour a clinical study was performed in 51 non-diabetic patients with endstage renal disease exhibiting lower interdialytic weight gain (〈3 kg,n=17) and increased interdialytic weight gain (〉3 kg,n=34). Blood pressure, body weight self-estimated thirst intensity before and after hemodialysis were analyzed. Biochemical and behavioral variables were measured including hormonal factors of water and sodium metabolism. Significant differences of dry weight, creatinine, urea nitrogen and thirst intensity were found between the two groups. Catecholamines, renin, angiotensin II, aldosterone, vasopressin and atrial natriuretic peptide exhibited a similar pattern in both groups. Atrial natriuretic peptide decreased during hemodialysis in both groups, angiotensin II, however, and norepinephrine showed an exaggerated response to ultrafiltration rate in polydipsic patients. These results suggest that changes in serum osmolality during hemodialysis did not contribute to thirst and drinking behaviour. It seems that postdialytic hypovolaemia together with higher plasma-angiotensin II-levels is responsible for increased oral intake of fluid and excessive weight gain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01798063
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Atrial natriuretic peptide and cyclic 3′5′-guanosine monophosphate as indicators of fluid volume overload in children with chronic renal failure (1992)
    Springer
    Pediatric nephrology 6 (1992), S. 60-64 
    Details
    ISSN: 1432-198X
    Keywords: Atrial natriuretic peptide ; Cyclic 3′5′-guanosine monophosphate ; Chronic renal failure ; Haemodialysis ; Volume overload
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Plasma atrial natriuretic peptide (ANP) and cyclic 3′5′-guanosine monophosphate (cGMP) were investigated as indicators of fluid volume overload in children and adolescents with chronic renal failure. Plasma ANP and cGMP were measured in both paediatric patients with chronic renal failure (n=17, mean serum creatinine 371±242 μmol/l) and those with end-stage renal disease on haemodialysis (n=18). cGMP was higher in children with chronic renal failure than in 45 healthy controls (1.0±0.4 vs 2.1±0.8 nmol/l,P〈0.01), whereas plasma ANP was similar (26.9±9.7 vs 34.0±12.3 pmol/l). Both ANP and cGMP were markedly elevated in children with end-stage renal disease before haemodialysis and fell significantly during dialysis. During dialysis body weight decreased by 1.6±0.7 kg, corresponding to 4.5±2.1% of body weight. Plasma ANP correlated positively with plasma cGMP in haemodialysed patients (r=0.43,P〈0.05). Reduction in body weight and in mean arterial pressure correlated more closely with plasma ANP than with cGMP. Therefore, elevation of plasma ANP appears to indicate volume overload in children undergoing haemodialysis, but whether it can be used also in children with chronic renal failure requires further investigation
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00856837
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Clinical settings and vasopressin function in hyponatraemic children (1993)
    Springer
    European journal of pediatrics 152 (1993), S. 301-305 
    Details
    ISSN: 1432-1076
    Keywords: Hyponatraemia ; Syndrome of inappropriate antidiuretic hormone secretion ; Vasopressin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hyponatraemia is one of the most common electrolyte abnormalities in hospitalised children. In a prospective study we tested whether hyponatraemia is associated with sustained release of the antidiuretic hormone arginine vasopressin (AVP). Out of 27 children with persistent hyponatremia (serum sodium 〈130 mmol/l), 25 had measurable plasma concentrations of AVP [median and quartiles 5.0 pg/ml (1.5–8.3)]. Volume contraction as consequence of sodium loss caused hyponatraemia in 16 patients. Hyponatraemia in the presence of extracellular volume expansion and reduced effective arterial blood volume occurred in 5 patients. Only 3 patients had normovolaemic hyponatraemia (so-called syndrome of inappropriate antidiuretic hormone secretion) and 3 suffered from chronic renal failure. It is concluded that plasma AVP concentration is measurable in most children with hyponatraemia. Non-osmotic stimulation of AVP release and lack of suppression of this hormone is an important pathogenetic mechanism of hyponatraemia in children.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01956738
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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