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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Organometallic Chemistry 22 (1970), S. 411-415 
    ISSN: 0022-328X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Organometallic Chemistry 22 (1970), S. 411-415 
    ISSN: 0022-328X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    ISSN: 1432-0428
    Keywords: Biguanide (metformin) ; obesity ; non-ketotic diabetes ; Schilling-test ; d-xylose-test ; intestinal absorption ; blood lipids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Chez 21 patients atteints de diabète sucré clinique ou chimique et d'obésité, on a déterminé l'excrétion urinaire de vitamine B12 et de D-xylose, ainsi que les taux de lipides sanguins, avant et après un traitement de 10 jours à la metformine. En outre, des études de la tolérance aux graisses et du bilan lipidique ont été effectuées chez 7 patients. Au cours d'une étude prolongée de 9 patients, le test de Schilling a été répété 2–3 mois après le début du traitement à la metformine chez a) 7 patients sous traitement permanent à la metformine, et b) 2 patients après cessation du traitement initial à la metformine. Les résultats étaient les suivants: l'absorption de vitamine B12 et de D-xylose était pathologiquement basse après traitement à la metformine. Les lipides sanguins et le poids corporel étaient réduits. Il y avait également certains signes de trouble de l'absorption des graisses, qui n'ont pas pu cependant être démontrés. D'après nos résultats, il est possible que la chute de la glycémie après le traitement à la. metformine, soit en partie provoquée par une mauvaise absorption du glucose. L'opinion de Sadow concernant l'effet de la metformine sur le métabolisme des hydrates de carbone doit donc être reconsidérée. Les implications cliniques de ces résultats, particulièrement en ce qui concerne l'absorption de la vitamine B12 sont discutées.
    Abstract: Zusammenfassung Bei 21 Patienten wurden vor und 10 Tage nach Biguanidtherapie die Vitamin B12- und Xyloseausscheidung im Urin, sowie die Blutlipide bestimmt. Bei 7 Patienten wurden zusätzlich eine Fettbilanzstudie und ein Fettbelastungstest vor und während Biguanidtherapie durchgeführt. Bei 5 Patienten wurde der Schillingtest 2–3 Monate nach Beginn der Biguanidtherapie erneut bestimmt, bei 2 Patienten zur gleichen Zeit nach Absetzen der initialen Therapie. Die Resultate sind folgende: Vitamin B12- und Xyloseabsorption sind während der Biguanidtherapie pathologisch erniedrigt, der Schillingtest kann sich nach der Langzeittherapie normalisieren. Die Blutlipide und das Körpergewicht fallen nach 10-tägiger Therapie ab. Die Resultate lassen auch eine Fettabsorptionsstörung vermuten. Die Ergebnisse berechtigen zur Annahme, daß die Blutzuckersenkung nach Biguanidtherapie z.T. ebenfalls die Folge einer Absorptionsstörung ist und sprechen dafür, daß das Konzept über die Wirkungsweise der Biguanide von Sadow, welches in der Einleitung besprochen wird, in diesem Sinne erweitert werden muß. Die sich für die Klinik ergebenden Konsequenzen dieser biguanidbedingten Absorptionsstörung, insbesondere auch von Vitamin B12 werden diskutiert.
    Notes: Summary Urinary excretion of vitamin B12 and D-xylose, and the levels of blood lipids were determined in 21 patients with clinical or chemical diabetes mellitus and obesity, before and 10 days after metformin treatment. In addition, fat tolerance and fat balance studies were carried out in 7 patients. In a long term study of 9 patients, the Schilling test was repeated 2–3 months after the beginning of the metformin treatment in a) 7 patients with permanent metformin treatment, and b) 2 patients after cessation of initial metformin treatment. The results were as follows: vitamin B12 and D-xylose absorptions were pathologically low after metformin treatment. Blood lipids and body weight were reduced. There was also some indication of disturbed fat absorption, which, however, could not be proved. Based on our results, it is possible that the decrease in blood sugar after treatment with metformin is partly induced by malabsorption of glucose. Thus the concept of Sadow on the effect of metformin on carbohydrate metabolism has to be reëvaluated. The clinical implications of the results, especially with respect to vitamin B12 absorption are discussed.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1238
    Keywords: Neonatal lupus erythematosus ; Heart block ; Steroids ; Myocarditis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of neonatal lupus erythematosus (NLE) with congenital heart block and severe myocardial failure, which was followed from the 25th week of gestation because of fetal bradycardia. The child was delivered at the 37th week of gestation by elective cesarean section because of echocardiographically documented heart enlargement, pericardial effusion and moderate insufficiency of the mitral and tricuspid valves. In spite of immediate pacing, intubation and supportive treatment, the newborn developed progressive heart failure. Echocardiography showed endocarditis of the mitral valve and diffuse myocarditis. The heart failure resolved under steroid treatment. Our experience supports the early use of steroids in treating myocarditis due to NLE. Intrauterine steroid treatment in the presence of fetal hydrops and congenital heart block is discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Intensive care medicine 19 (1993), S. 65-69 
    ISSN: 1432-1238
    Keywords: Sodium bicarbonate ; Neonates ; Metabolic acidosis ; Hemodynamics ; Pulsed Doppler ; Cardiac output
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To analyze the cardiovascular effects of sodium bicarbonate in neonates with metabolic acidosis. Design Prospective, open, non-randomized, before-after intervention study with hemodynamic measurements performed before and 1, 5, 10, 20, and 30 min after bicarbonate administration. Setting Neonatal intensive care unit, tertiary care center. Patients Sequential sample of 16 paralysed and mechanically ventilated newborn infants with a metabolic acidosis (pH〈7.25 in premature and 〈7.30 in term infants, base deficit〉−8). Intervention An 8.4% sodium bicarbonate solution diluted 1∶1 with water (final osmolality of 1000 mOsm/l) was administered in two equal portions at a rate of 0.5 mmol/min. The dose in mmol was calculated using the formula “base deficit x body weight (kg)×1/3×1/2”. Measurements and results Sodium bicarbonate induced a significant but transient rise in pulsed Doppler cardiac output (CO) (+27.7%), aortic blood flow velocity (+15.3%), systolic blood pressure (BP) (+9.3%), (+14.6%), transcutaneous carbon dioxide pressure (PtcCO2) (+11.8%), and transcutaneous oxygen pressure (PtcO2) (+8%). In spite of the PaCO2 elevation, pH significantly improved (from a mean of 7.24 to 7.30), and the base deficit decreased (−39.3%). Calculated systemic vascular resistance (SVR) (−10.7%) and diastolic BP (−11.7%) decreased significantly, while PaO2 and heart rate (HR) did not change. Central venous pressure (CVP) (+6.5%) increased only slightly. By 30 min after bicarbonate administration all hemodynamic parameters, with the exception of the diastolic BP, had returned to baseline. Conclusion Sodium bicarbonate in neonates with metabolic acidosis induces an increase in contractility and a reduction in afterload.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1238
    Keywords: Key words Neonatal lupus erythematosus ; Heart block ; Steroids ; Myocarditis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of neonatal lupus erythematosus (NLE) with congenital heart block and severe myocardial failure, which was followed from the 25th week of gestation because of fetal bradycardia. The child was delivered at the 37th week of gestation by elective cesarean section because of echocardiographically documented heart enlargement, pericardial effusion and moderate insufficiency of the mitral and tricuspid valves. In spite of immediate pacing, intubation and supportive treatment, the newborn developed progressive heart failure. Echocardiography showed endocarditis of the mitral valve and diffuse myocarditis. The heart failure resolved under steroid treatment. Our experience supports the early use of steroids in treating myocarditis due to NLE. Intrauterine steroid treatment in the presence of fetal hydrops and congenital heart block is discussed.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 151 (1992), S. 564-568 
    ISSN: 1432-1076
    Keywords: Colour Doppler sonography ; Ductus venosus Arantii ; Hepatic encephalopathy ; Hypergalactosaemia ; Newborn screening ; Portosystemic shunting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hypergalactosaemia was discovered in a newborn girl during routine metabolic screening. Hereditary enzyme deficiency was ruled out. Because hypergalactosaemia persisted, an open ductus venosus Arantii was suspected but remained undetected by conventional two-dimensional ultrasonography. It was demonstrated by combined colour and pulsed wave Doppler sonography. At age 3 years 6 months, the girl developed initial symptoms of portosystemic encephalopathy which progressed and was treated by protein restriction, oral lactulose and flumazenil, with some success. In the absence of enzyme deficiency, hypergalactosaemia in the newborn is an early sign of duct persistence. For the unambiguous diagnosis of an open duct, colour Doppler sonography is the method of choice. Pulsed wave Doppler sonography is recommended for pathophysiological characterisation of the splanchnic venous return.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1076
    Keywords: Pericardial effusion ; Hypothyroidism ; Down syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In three children with Down syndrome and acquired hypothyroidism echocardiography was performed before and after the start ofl-thyroxine treatment. Initial studies revealed pericardial effusions which resolved during treatment suggesting that they were caused by hypothyroidism. The incidence of hypothyroidism in Down syndrome is high, but the diagnosis is often missed for lack of specific clinical criteria. The finding of pericardial effusion by echocardiography may be essential in discovering thyroid dysfunction. The cases illustrate that regular thyroid function tests are important in Down syndrome.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 157 (1998), S. 589-591 
    ISSN: 1432-1076
    Keywords: Key words Kawasaki disease ; Coronary disease ; Newborn
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Acute heart failure in the early neonatal period is rare. Normally it is due to asphyxia, severe septicaemia, a congenital heart malformation or a viral myocarditis. Kawasaki disease (KD) as a cause of an neonatal myocarditis is not an established diagnosis. KD is a vasculitis of still unknown origin occurring predominantly in infants and preschool children. KD before the age of 3 months is rare. There are only few reports about KD in the 1st month. We present a newborn who showed the cardiac symptoms of KD in the 1st week of life with coronary dilatation and myocarditis. Conclusion The diagnosis of incomplete KD should be considered not only in infants but also in newborns with signs of myocarditis and coronary abnormalities. Therapy with gammaglobulins may prevent the sequelae of coronary involvement.
    Type of Medium: Electronic Resource
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