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  • 1
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 44 (1988), S. 992-993 
    ISSN: 1420-9071
    Keywords: Endogenous digitalis-like factor ; digoxin-like immunoreactivity ; Na+,K+-ATPase inhibitor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We measured endogenous digitalis-like factor (EDF) in rat plasma during acute saline infusion by two different procedures. Na+,K+-ATPase inhibitory activity in the rat plasma significantly increased during saline loading (7.8±2.2 vs 2.5±0.9%, with and without acute saline loading, respectively, p〈0.05). On the other hand, the plasma digoxin-like immunoreactivity significantly decreased during acute saline loading (16.9±1.6 vs 32.0±2.8 pg digoxin equivalents/ml. with and without acute saline loading, respectively, p〈0.01). These results indicate that the major substances detected by digoxin-like immunoreactivity and direct Na+,K+-ATPase inhibitory activity are completely different, at least in rat plasma.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1440
    Keywords: Bartter's syndrome ; Ammonium urate nephrolithiasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In two patients with Bartter's syndrome proximal tubular function and distal chloride reabsorption were intact on admission; however, chloride reabsorption and distal tubular acidifying capacity decreased in one patient over a period of 10 years. Renal prostaglandin E excretion and urinary and plasma uric acid were in the normal range, but urinary ammonium was significantly elevated during controlled diet. One patient developed ammonium urate nephrolithiasis. In both patients renal biopsy demonstrated lymphocytic infiltration of the interstitial tissue and hypercellularity of the macula densa. Indomethacin treatment improved serum potassium concentration and decreased plasma renin activity, plasma aldosterone concentration, and urinary prostaglandin E but had to be discontinued because of side effects. It is likely that our patients represent a variant form of the syndrome originally described by Bartter.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1238
    Keywords: Key words Amino acid ; Nitrogen balance ; Slow hemodialysis ; Critically ill ; Renal failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: The effects of slow diurnal hemodialysis (slow HD) on amino acid losses and nitrogen balance were studied. Design: Slow HD was conducted for 10 h during the day at the dialysate flow rate of 30 ml/min. The patients received total parenteral nutrition including 40 g of amino acids (6.08 g of nitrogen). The amino acid concentrations in plasma and dialysate were determined and the daily nitrogen balance was calculated from the urea nitrogen appearance. Patients: Six critically ill patients with renal failure were entered into the study. Results: Slow HD eliminated 48.5±4.4 mmol (6.2±0.6 g) of amino acids, representing 16% of the daily amino acid load. The estimated nitrogen balance was –2.3±1.3 g/day. Amino acid nitrogen lost in the dialysate was 1.0±0.1 g, contributing 43% of the daily negative nitrogen balance. Conclusion: The amount of amino acid losses during slow HD should be taken into consideration when designing nutritional schedules for maintaining positive nitrogen balance in critically ill patients.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1238
    Keywords: Amikacin ; Pharmacokinetics ; Slow hemodialysis ; Renal failure ; Critically ill patients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective The pharmacokinetics of amikacin were studied in patients undergoing slow hemodialysis (HD). Design Slow HD was performed at the dialysate flow rate of 30 ml/min. After a single intravenous dose of amikacin 5 mg/kg, pharmacokinetic variables were calculated by fitting indivdual concentration-time curves to a two-compartment open model. Patients 6 critically ill patients with renal failure were entered into the study. Results The volume of distribution was 0.35±0.03 l/kg. Total body clearance was 35.1±2.3 ml/min with an elimination half-life of 10.5 h. During a 10.5 h session of slow HD, the serum amikacin concentration decreased from the peak level of 21.3±1.2 mg/l to 7.2±0.9 mg/l. Conclusion Slow HD eliminate amikacin more efficiently than other types of slowly performed renal replacement therapy and had profound effects on the pharmacokinetics. Amikacin elimination by this approach should be taken into consideration for designing a dosage schedule during the treatment.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 280 (1988), S. 145-151 
    ISSN: 1432-069X
    Keywords: Immunohistochemical localization ; Type V collagen ; Normal human skin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Tissue distribution of type V collagen in normal human skin was studied using an indirect immunofluorescent technique to determine whether type V collagen is present in the interstitium or in the basement membrane. Type V collagen was isolated from the human placenta by pepsin digestion and was purified with fractioning salt precipitations. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) demonstrated that type V collagen contained α1(V) and α2(V) chains, but not the α3(V) chain. Specificity of the rabbit antibodies to type V collagen was assessed using enzyme-linked immunosorbent assay (ELISA) and an immunoblotting method. Antibodies showed no cross-reactivity to other collagens, laminin, and fibronectin. With an indirect immunofluorescent technique, type V collagen was found to be widely distributed throughout the dermis. Intense fluorescent staining was noted in the papillary dermis and adnexal dermis surrounding hair follicles and eccrine glands. The basement membrane of the dermoepidermal junction, skin appendages, and capillaries was not stained. By indirect immunoperoxidase double staining, type V collagen was not found to be deposited on type IV collagen present in the basement membrane. Immunoelectron microscopic studies showed that type V collagen was not located in the basal lamina. These results suggest that type V collagen is distributed in the interstitium, but not in the basement membrane of normal human skin.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 153 (1994), S. 181-183 
    ISSN: 1432-1076
    Keywords: Key words: Guillain-Barré syndrome – Anti-GM1 antibody – Anti-GM2 antibody –Campylobacter jejuni– HLA-B35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report a 4-year-old girl diagnosed as having Guillain-Barré syndrome after infection by Penner serotype 19 of Campylobacter jejuni. The patient had the HLA-B35 antigen. Neurological examination revealed distal-dominant weakness and intact sensation. Serial electrophysiological studies indicated that the predominant process was axonal degeneration involving motor nerves. An enzyme-linked immunosorbent assay revealed the presence of high titres of serum IgM antibodies to gangliosides GM1 and GM2. The IgM auto-antibody titres decreased concurrently with the clinical course of the illness and no switching from IgM to IgG secretion took place.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 153 (1994), S. 181-183 
    ISSN: 1432-1076
    Keywords: Guillain-Barré syndrome ; Anti-GM1 antibody ; Anti-GM2 antibody ; Campylobacter jejuni ; HLA-B35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a 4-year-old girl diagnosed as having Guillain-Barré syndrome after infection by Penner serotype 19 ofCampylobacter jejuni. The patient had the HLA-B35 antigen. Neurological examination revealed distal-dominant weakness and intact sensation. Serial electrophysiological studies indicated that the predominant process was axonal degeneration involving motor nerves. An enzyme-linked immunosorbent assay revealed the presence of high titres of serum IgM antibodies to gangliosides GM1 and GM2. The IgM auto-antibody titres decreased concurrently with the clinical course of the illness and no switching from IgM to IgG secretion took place.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 36 (1989), S. 575-578 
    ISSN: 1432-1041
    Keywords: bunazosin ; hypertension ; alpha1-adrenoceptor blocker ; blood pressure ; renal blood flow ; renal function ; renin ; aldosterone ; atrial natriuretic peptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The renal and hormonal effects of the α1-adrenoceptor blocker bunazosin were examined in 6 patients with essential hypertension. Oral bunazosin for 4 to 12 weeks significantly decreased mean blood pressure by 10%, increased effective renal blood flow and creatinine clearance by 34% and 37%, respectively, the plasma norepinephrine concentration was elevated by 60%, and the plasma atrial natriuretic peptide level was lowered by 22%. The plasma renin activity and aldosterone concentration were unchanged. Thus, a moderate reduction in blood pressure was produced by bunazosin treatment while maintaining renal perfusion.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 38 (1990), S. S158 
    ISSN: 1432-1041
    Keywords: carvedilol ; renal insufficiency ; renal hypertension ; diuretic ; β-blocker
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Carvedilol, a novel β-blocker with a vasodilating action, was given either alone (monotherapy) or with diuretics (combination therapy) to 42 patients with renal hypertension. The hypotensive effect, safety, and optimal dose were investigated. In all, 23 untreated patients (16 men and 7 women; average age, 56.4 ± 2.5 years) made up the monotherapy group and 19 diuretic-treated patients (11 men and 8 women; average age, 56.4 ± 2.5 years) comprised the combined therapy group. All subjects had an initial blood pressure (BP) of 〉 160/95 mmHg and were started on 5 mg/day oral carvedilol. The dose was gradually increased to a maximum of 20 mg/day, or until either the BP was reduced to 〈 149/89 mmHg or the reduction in mean BP was 〉 13 mmHg compared with baseline levels. The total study period was 8 weeks. With monotherapy, the BP and heart rate decreased significantly from 167/102 to 150/94 mmHg and from 81 to 74 beats/min, respectively. With combined therapy, the BP and heart rate fell significantly from 176/103 to 142/85 mmHg and from 81 to 70 beats/min, respectively. Responders were defined as subjects with a BP of ⩽ 149/89 mm Hg or those showing a fall of ⩽ 13 mmHg in mean BE Responders accounted for 52.2% of the monotherapy group and 73.6% of the combination therapy group. Orthostatic hypotension was not seen in either group. Serum creatinine and blood urea nitrogen (BUN) levels were not altered by administration of carvedilol. Dizziness was noted by 1 of the 23 subjects in the monotherapy group. These results suggest that carvedilol is an effective and well-tolerated antihypertensive agent for the management of renal hypertension. We considered the optimal dose to be from 10 to 20 mg once daily, which is similar to that recommended for essential hypertension.
    Type of Medium: Electronic Resource
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