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  • 1
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 157 (1998), S. 163-164 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 139 (1982), S. 43-47 
    ISSN: 1432-1076
    Keywords: Fibrinogen half-life ; Cyanotic congenital heart disease ; Polycythemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fibrinogen half-life was determined in 3 healthy individuals and in 17 children with cyanotic congenital heart disease. Fibrinogen half-life was normal in the healthy individuals and shortened in 9 of the 17 patients. The simultaneously performed coagulation tests were often pathological but did not lead to a clear diagnosis of the haemostatic defect and did not correlate with the fibrinogen half-life. Significant correlations were found between fibrinogen half-life and red cell count (P〈0.001), packed cell volume (P〈0.001), mean corpuscular volume of the red cell (P〈0.001), platelet count (P〈0.01), aortic oxygen saturation (P〈0.001), base excess (P〈0.01), and maximal amplitude of the thrombelastography (P〈0.001). The results indicate a definite relationship between the hypoxaemia and the frequently observed disturbance of haemostasis in cyanotic heart disease. The chronic hypoxaemia causes a partly compensated intravascular coagulation with increased fibrinogen metabolism.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1435-1285
    Keywords: Key words Hypoplastic left heart syndrome — Norwood operation — single ventricle — Fontan operation — total cavopulmonary anastomosis ; Schlüsselwörter Hypoplastisches Linksherz-Syndrom — Norwood-Operation — singulärer Ventrikel — Fontan-Operation — totale kavopulmonale Anastomose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The surgical therapy of newborns with hypoplastic left heart syndrome (HLHS) is still regarded with some distrust. The complete heart conserving palliation includes not only the Norwood operation during the newborn period but also the complete separation of both circuits by the Fontan operation some time later. Our experiences with each surgical step are presented. From 1989 to 1996 43 infants with anatomical (n = 33) or functional (n = 10) HLHS underwent the Norwood operation. Functional HLHS were: Mitralatresia with double outlet right ventricle and subaortic stenosis (n = 2), atrioventricular septal defect with hypoplastic left ventricle, subaortic stenosis, and aortic coarctation (n = 1), hypoplastic, subaortic right ventricle with restrictive ventricular septal defect and aortic hypoplasia (n = 7). The median age at operation was 15 days ( 5 to 182 days), mean weight was 3.3 kg (3.0 to 4.9 kg). Total operative mortality was 32% (n = 14) with 16% since 1994 (3/19 patients). Five infants (12%) died 2 weeks to 6 months later, and 2 patients underwent cardiac transplantation. Up to now, 10 out of the 22 long term survivors underwent the bidirectional cavopulmonary anastomosis (Hemi-Fontan) at a median age of 7 months (2 to 14 months). Two infants died (10%). Up to now, 12 out of the remaining 17 survivors received the total cavopulmonary anastomosis after a mean period of 12 months. All children survived, and they are now completely palliated. The longest follow up after the complete Fontan operation is 6 years. Conclusion: With increasing experience the results of the Norwood operation improved. The following two-stage Fontan procedure bears only low risk and leads to good life quality.
    Notes: Zusammenfassung Die chirurgische Versorgung von Neugeborenen mit hypoplastischem Linksherz-Syndrom (HLHS) wird immer noch zurückhaltend betrachtet. Die komplette herzerhaltende Palliation beinhaltet neben der Norwood-Operation im Neugeborenenalter auch die spätere Kreislauftrennung nach Fontan. Unsere Erfahrungen mit den einzelnen operativen Teilschritten werden vorgestellt. 43 Säuglinge mit anatomischem (n = 33) oder funktionellem (n = 10) HLHS erhielten von 1989 bis 1996 eine Norwood-Operation. Funktionelle HLHS waren: Mitralatresie mit doppeltem Ausgang aus der rechten Kammer und subaortaler Stenose (n = 2), atrioventrikulärer Septumdefekt mit hypoplastischer linker Kammer, Subaortenstenose und Aortenkoarktation (n = 1), hypoplastischer, subaortaler rechter Ventrikel mit restriktivem Ventrikelseptumdefekt und Aortenhypoplasie (n = 7). Das mediane Operationsalter betrug 15 Tage (5 bis 182 Tage), das mittlere Gewicht war 3,3 kg (3,0 bis 4,9 kg). Die operative Sterblichkeit lag bei 32% (n = 14), wobei sie seit 1994 auf 16% (3 von 19 Patienten) gesenkt werden konnte. 5 Patienten (12%) verstarben 2 Wochen bis 6 Monate später, 2 Kinder wurden herztransplantiert. Von den 22 lang Überlebenden erhielten bisher 19 Patienten im medianen Alter von 7 Monaten (2 bis 14 Monate) die obere, bidirektionale kavopulmonale Anastomose als Hemi-Fontan. 2 Kinder verstarben (10%).Von den 17 Überlebenden erhielten bisher 12 nach einem mittleren Intervall von 12 Monaten die ergänzende kavopulmonale Anastomose. Alle Kinder überlebten den Eingriff und sind damit fertig palliiert. Die längste Nachbeobachtung nach kompletter Fontan-Operation liegt bisher bei 6 Jahren. Zusammenfassung: Die Ergebnisse der Norwood-Operation werden mit wachsender Erfahrung günstiger. Die nachfolgende zweischrittige Fontan-Operation hat dann nur noch ein relativ geringes Risiko und führt zu einer sehr guten Lebensqualität.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1435-1803
    Keywords: Congenital heart disease ; myosin heavy-chain (MyHC) ; sodium dodecylsulfate gel electrophoresis (SDS PAGE) ; human atrium ; pressure overload ; infants ; Fontan-type operation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The relative amounts of cardiac myosin heavy-chain isoforms (MyHC) in right atrial tissue (RA) of 16 neonates and children suffering from congenital heart disease have been investigated. Quantification of MyHC was based on one-dimensional gel electrophoresis and on histometrical evaluation of cyro-sections stained with monoclonal antibodies against α- and β-MyHC. The mean right atrial pressures ranged from 2 to 14 mm Hg. The RA load was normal in eight patients (5.1±1.3 mm Hg) and overloaded in eight cases (10±2.5 mm Hg). The arterial oxygen saturation was normal in 12 and ranged between 85% and 89% in four cases. In all patients a large proportion of atrial myocytes coexpressed α- and β-MyHC. However, in the cases with pressure overloaded RA the amount of β-MyHC was found to be 1.6 times higher than in the cases with normal pressure. This indicates an adaptational response to overload, as was previously described for the adult human heart. In light of this finding, it seems important to conserve as much as possible of the trained right atrial wall during a Fontan type of operation.
    Type of Medium: Electronic Resource
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