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  • Congenital heart disease  (4)
  • Bubble-Oxygenator  (1)
  • Key words Echocardiography – Surgery of congenital heart disease  (1)
  • 1
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Anomaler Abgang der rechten Koronararterie ; Bland-White-Garland-Syndrom ; Angeborene Herzfehler ; Key words Anomalous origin of the right coronary artery ; Bland-White-Garland-Syndrome ; Congenital heart disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Anomalous origin of the right coronary artery from the pulmonary trunk is rare, however, it is of considerable clinical significance. Discussion: We report of the findings in an asymptomatic child with anomalous origin of the right coronary artery from the pulmonary trunk and shortly review this entity.
    Notes: Zusammenfassung Der fehlerhafte Abgang der rechten Koronararterie aus der Pulmonalarterie ist selten, jedoch von erheblicher klinischer Relevanz. Diskussion: Wir berichten über die Befunde eines asymptomatischen Schulkinds mit diesem Krankheitsbild und geben einen Überblick über diese Fehlbildung.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Herz-, Thorax- und Gefässchirurgie 12 (1998), S. 189-192 
    ISSN: 0930-9225
    Keywords: Schlüsselwörter Echokardiographie – Chirurgie angeborener Herzfehler ; Key words Echocardiography – Surgery of congenital heart disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Purpose of this study was to evaluate the clinical utility of intraoperative echocardiography in the assessment of surgical repair of congenitally malformed hearts. In 235 of 508 patients who underwent cardiac surgery during a one year period transesophageal intraoperative echocardiography was performed. This was done to exclude residual ventricular septal defects or right ventricular outflow tract obstruction (n=84), to evaluate results of AV valve reconstruction (n=61), to assess ventricular function following arterial switch operation for complete transposition or in complex heart defects palliated by a Fontan-type procedure (n=50), to assess repair of left ventricular outflow obstruction (n=22) and for miscellaneous defects (n=18). Residual defects leading to immediate reoperation during the same surgical session were found in 4 patients (1.7%), minor residual defects not requiring reoperation were present in 6 patients (2.6%). In 2 patients with complete AV septal defect the left AV valves were only mildly regurgitant immediately after reconstruction but subsequent suture deshiscence required later reopoeration. Echocardiographic data were supplemented by direct pressure measurements in the ventricles and contrast injection into the left atrium. We conclude that intraoperative echocardiography can provide useful clinical informations, if its findings are interpreted in context with pressure measurements and contrast injections.
    Notes: Zusammenfassung Zweck dieser Studie war, den klinischen Nutzen der intraoperativen Echokardiographie bei Patienten mit angeborenen Herzfehlern zu untersuchen. Von 508 während des Zeitraumes eines Jahres durchgeführten Operationen bei angeborenen Herzfehlern wurde bei 235 (47%) eine intraoperative Echokardiographie durchgeführt. Die Indikationen waren Ausschluß von residuellen Ventrikelseptumdefekten und residuellen rechtsventrikulären Ausflußbahnobstruktionen (n=84), Evaluation von AV Klappenrekonstruktionen (n=61), vorwiegende Evaluation der Ventrikelfunktion nach arterieller Switchoperation bei kompletter Transposition oder bei Palliation komplexer Herzfehler durch eine Fontanoperation (n=50), Untersuchungen nach Operation einer linksventrikulären Ausflußbahnobstruktion (n=22), sowie sonstige Operationen (n=18). Residuelle Defekte, welche zu sofortiger Reoperation in der gleichen Sitzung Anlaß gaben, wurden bei 4 Patienten (1,7%) gefunden, unbedeutende residuelle Defekte, die keine Reoperation erforderlich machten bei 6 Patienten (2,6%). In 2 Fällen wurden bei korrigierten kompletten AV Septumdefekten unmittelbar postoperativ geringe Insuffizienzen der linken AV Klappe gesehen, welche später so an Schweregrad zunahmen, daß spätere Reoperationen notwendig wurden. Die durch die transösophageale Echokardiographie erhobenen Befunde wurden durch direkte blutige Druckmessungen und Kontrastinjektion in den linken Vorhof ergänzt. Wir schlußfolgern, daß die intraoperative Echokardiographie klinisch sinnvolle Informationen liefern kann, wenn die erhobenen Befunde im Kontext mit den oben aufgeführten anderen Messungen interpretiert werden.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Herz-, Thorax- und Gefässchirurgie 14 (2000), S. 93-99 
    ISSN: 0930-9225
    Keywords: Schlüsselwörter Kardiopulmonaler Bypass ; Geschichte ; Bubble-Oxygenator ; Film-Oxygenator ; Key words Cardiopulmonary bypass ; history ; bubble-oxygenator ; film-oxygenator
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Historic development of extracorporeal circulation began with the perfusion of isolated organs by physiologists in the 19th century. Those experiments led to the development of the basic principles of the perfusion technique, such as bubble-oxygenation and film-oxygenation, systems for pulsatile pumping and the closed extracorporeal circuit. The idea for using extracorporeal circulation for cardiovascular surgery was born at the beginning of the 20th century.
    Notes: Zusammenfassung Die historische Entwicklung der extrakorporalen Zirkulation begann mit den isolierten Organperfusionen der Physiologen des 19. Jahrhunderts. Diese Experimente führten zur Entwicklung der Grundlagen der Perfusionstechnik, wie der Bubble- und Film-Oxygenation, sowie pulsatilen Pumpensystemen und dem geschlossenen extrakorporalen Kreislauf. Die Vorstellung, dass die extrakorporale Zirkulation im Zusammenhang mit herz- oder gefäßchirurgischen Eingriffen genutzt werden könnte, entstand schon zu Beginn des 20. Jahrhunderts.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1238
    Keywords: Key words Nitric oxide ; Rebound ; Pulmonary hypertension ; Dynamic respiratory system compliance ; Interaction ; Congenital heart disease compliance ; Interaction ; Congenital heart disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To assess the interaction between pulmonary hemodynamics and respiratory mechanics during acute pulmonary hypertension. Patients: Ventilated and paralysed children treated with inhaled nitric oxide because of post-operative pulmonary hypertension. Interventions: Weaning of inhaled nitric oxide. Measurements: Air flow and airway pressure, calculation of dynamic respiratory system compliance and respiratory system resistance for each breath by multiple linear regression. Results: In four patients, increases in pulmonary arterial pressure from 26.1 to 56.7 mmg (p 〈 0.001) during weaning off nitric oxide were associated with decreases in tidal volume (from 9.7 → 8.2 ml/kg, p 〈 0.01) and reductions in dynamic respiratory system compliance (from 0.52 → 0.34 cmH20/ml/kg, p 〈 0.001), while respiratory system resistance was unchanged. Conclusions: Impaired ventilation during acute pulmonary hypertension is predominantly related to a reduction in respiratory system compliance.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1238
    Keywords: Key words Infant ; Congenital heart disease ; ARDS ; Capillary leak ; Soluble l-selectin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: In critical care patients at risk of developing the acute respiratory distress syndrome (ARDS), low soluble l-selectin (sCD62L) plasma concentrations have been shown to be associated with progression to ARDS and prolonged subsequent mechanical ventilation. This study aimed to determine the usefulness of sCD62L plasma concentrations to identify infants undergoing cardiovascular surgery who are at risk for postoperative pulmonary dysfunction and capillary leaks. Design: Serial measurements of sCD62L plasma concentrations in a cohort of infants with congenital heart disease before, during, and after surgery for 4 consecutive days. Setting and patients: Infants aged 3–337 days undergoing cardiovascular surgery with (N = 27) or without (N = 12) cardiopulmonary bypass in a tertiary care center. Results: sCD62L concentrations before surgery showed a strong correlation with the infant's age (r = 0.77, p 〈 0.001). During surgery, sCD62L levels dropped from 9.0 ± 0.7 to 5.6 ± 0.4 nmol/l (mean ± SEM; p 〈 0.001). The minimum sCD62L concentration during and after surgery did not differ between infants operated upon with or without cardiopulmonary bypass (p 〉 0.1) or in infants who did (N = 10) or did not (N = 29) develop capillary leak syndrome. Whereas capillary leak syndrome was associated with prolonged mechanical ventilation (p 〈 0.01), there was no relationship between sCD62L concentrations at baseline or at any time thereafter and number of hours on the ventilator (p 〉 0.1). Conclusion: sCD62L concentrations before or after surgery are not apt to identify infants at increased risk of prolonged mechanical ventilation.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1238
    Keywords: Key words Peritoneal dialysis ; Acute renal failure ; Congenital heart disease ; Cardiac output measurements ; Open chest
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: Evaluation of the acute hemodynamic changes during peritoneal dialysis in patients with low cardiac output syndrome and acute renal failure after open heart surgery.¶Patients: Three newborns and three infants after corrective surgery of congenital heart disease with post cardiotomy dialysis. Five of these had an open thorax during dialysis.¶Methods: Cardiac output measurements using the thermodilution technique on two consecutive days at four different times during the peritoneal dialysis cycle.¶Results: We did not find a deterioration of the cardiac index or systemic vascular resistance measured over two cycles in each of the six patients. Pulmonary artery pressure rose slightly after instillation of the dialysate solution in all patients. Changes in central venous pressure and left atrial pressure were not clinically meaningful. In all patients fluid removal by peritoneal dialysis was effective. All five surviving patients recovered renal function.¶Conclusions: Peritoneal dialysis can be performed in newborns and infants following cardiac surgery without causing acute hemodynamic imbalances. An open chest may have a significant impact on hemodynamic stability during peritoneal dialysis by blunting any possible negative alterations of increased intraabdominal pressure.
    Type of Medium: Electronic Resource
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