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  • 1
    Electronic Resource
    Electronic Resource
    Doppler sonography in congenital ureteropelvic junction obstruction and multicystic dysplastic kidneys (1993)
    Springer
    Pediatric radiology 23 (1993), S. 502-505 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The accurate diagnosis of severe congenital ureteropelvic junction obstruction (UPJO) and the indications for surgical intervention are a matter of debate. Differential diagnosis from, for example, congenital cystic kidney malformations is important. In the present study we analysed the value of Doppler sonography (DS) for assessment of obstruction in congenital UPJO and its usefulness for differential diagnosis. A total of 138 infants and children were examined. Forty-three healthy infants and 24 children who had had a pyeloplasty at least 1 year previously served as control groups. Seventy-one children with UPJO and cystic kidney malformations underwent DS in addition to the usual examinations of intravenous urography and scintigraphy. Resistive Index (RI) was measured in both kidneys. Twenty infants showed decompensated UPJO and had needed an operation. Preoperatively all showed significantly increased RI (RI=74%), which returned to normal after operation (RI=68.3%). Thirty-nine children with UPJO could be managed conservatively, showing compensated obstruction on diuretic renography. On DS they had normal and symmetrical RI values (RI=67%). Eleven children had multicystic dysplastic kidneys; 4 underwent nephrectomy. On DS all showed either absence of perfusion signals or very low flow velocities with very high RI values (RI=90–100%) in the renal vessels. One child was found to be suffering from a cystic nephroma. DS was able to reveal quite normal vessel distribution in renal parenchyma with slightly elevated RI values (RI=80%). Our results indicate that DS a non-invasive, non-ionising method of investigation, may serve as an additional functional parameter for defining accurately the degree of obstruction in UPJO. DS can influence the indication for surgical treatment and improves the differential diagnosis of congenital cystic kidney malformations. It provides an adequate method for frequent monitoring in conservative treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02012130
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrasound and MRI findings in a case of childhood amyloid goiter (1993)
    Springer
    Pediatric radiology 23 (1993), S. 565-566 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Goiter secondary to amyloidosis is rare in clinical practice and only a few descriptions of its radiologic features have been reported. We present the ultrasound and MRI findings of thyroid amyloidosis in a 7-year-old Turkish boy with familial Mediterranean fever.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02012155
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  • 3
    Electronic Resource
    Electronic Resource
    Sonographically guided cannula positioning for extracorporeal membrane oxygenation (1995)
    Springer
    Pediatric radiology 25 (1995), S. 643-645 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Drainage problems due to catheter malpositioning are acutely life-threatening in patients undergoing extracorporeal membrane oxygenation. In order to reduce these complications we introduced sonographically guided catheter positioning. We compare the outcome in a group of patients with blind cannula positioning to that in a group with sonographically guided catheter positioning. Our results show that neonates and young infants especially are at high risk of drainage problems due to catheter malposition and that their outcome could be markedly improved by introducing sonographically guided cannula insertion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02011838
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  • 4
    Electronic Resource
    Electronic Resource
    Gastrointestinaler Notfall im Neugeborenenalter (2000)
    Springer
    Der Radiologe 40 (2000), S. 63-71 
    Details
    ISSN: 1432-2102
    Keywords: Schlüsselwörter ; Gastrointestinaler Notfall ; Neugeborenenalter ; Bildgebende Diagnostik ; Key words ; Gastrointestinal emergency ; Nenoate ; Diagnostic imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Gastrointestinal emergencies in neonates often demand a quick and efficient diagnos-tic imaging. The procedures have to take the special diseases and conditions in these babies and preterm children into account. Conclusion: This paper summarises the most common causes for gastrointestinal neonatal emergencies and discusses the indication and performance as well as the diagnostic value of the commonly used modalities, giving some suggestions for an efficient imaging algorithm. Most of the time conventional plain abdominal films and sonography can answer the clinically important questions, however, in certain conditions fluoroscopy with contrast administration (enema, etc.) is mandatory. Only rarely is CT, MRI or Angiography indicated.
    Notes: Zusammenfassung Der gastrointestinale Notfall im Neugeborenenalter erfordert oft eine rasche, effiziente, den Bedingungen des Neu- und Frühgeborenenalters angepasste bildgebende Diagnostik. Diese Arbeit beschreibt die in diesem Zusammenhang wichtigsten angeborenen und erworbenen Erkrankungen und diskutiert die Durchführung und Indikation bzw. den Stellenwert der zur Verfügung stehenden bildgebenden Methoden. Schlussfolgerung: Zumeist kann mit dem Abdomenübersichtsröntgen und dem Sonogramm eine ausreichende diagnostische Klärung erzielt werden. Bei bestimmten Fragestellungen ist jedoch eine weitergehende Beurteilung durch ein Kontrastmittelröntgen bzw. eine Durchleuchtungsuntersuchung (wie z.B. Schluckakt- und Magenröntgen oder Irrigoskopie) unabdingbar. CT, MRT oder Angiographie werden nur seltenst benötigt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001170050010
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  • 5
    Electronic Resource
    Electronic Resource
    The role of sonography in the evaluation of gastro-oesophageal reflux-correlation to pH-metry (1992)
    Springer
    European journal of pediatrics 151 (1992), S. 655-657 
    Details
    ISSN: 1432-1076
    Keywords: Gastro-oesophageal reflux ; Sonography ; Accuracy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sonography was compared to pH-metry and/or oesophagomanometry to evaluate the accuracy of sonography in the early diagnosis of gastro-oesophageal reflux. Thirty children with a mean age of 72 days (21–252 days) were studied. The results showed that specificity of sonographic diagnosis was 87,5% and sensitivity was 100% (withP〈0.001). Sonography also proved helpful in providing both functional and morphological data in addition to pH-metric results. This study therefore suggests that sonography is useful as the first approach in the diagnosis of vomiting babies as it is non-invasive and provides sufficient diagnostic accuracy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957566
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  • 6
    Electronic Resource
    Electronic Resource
    Do endomysial antibodies in connection with selenium deficiency contribute to pericardial effusions in coeliac disease? (1994)
    Springer
    European journal of pediatrics 153 (1994), S. 865-865 
    Details
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01972904
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Venous thrombosis in and after extracorporeal membrane oxygenation: detection and follow-up by color Doppler sonography (1997)
    Springer
    European radiology 7 (1997), S. 1383-1386 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Color Doppler sonography ; Pediatric and neonatal ECMO ; Thrombosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of our study was to evaluate thrombosis of venous vessels during and after extracorporeal membrane oxygenation (ECMO) using color Doppler sonography. We prospectively performed serial color Doppler sonography investigations in 30 ECMO patients [age: newborn to 3 years, male:female = 20:10, venoarterial (VA) ECMO = 18, venovenous (VV) ECMO = 12]. During ECMO obstruction and/or thrombosis of the superior vena cava (SVC) was observed in 2 neonates on VA ECMO. Furthermore, a thrombotic clot from an initially open duct of Arantii with partial portal vein thrombosis, reaching into the inferior vena cava (IVC), occurred despite adequate heparinization. After ECMO, late septic SVC thrombus occurred in one neonate. IVC thrombus was observed in two pediatric VV ECMO patients. The overall incidence of venous clots was 20 % (6 of 30). Routine color Doppler sonography monitoring of vessels in children on and after ECMO was found to be useful for early detection of venous thrombosis. It enabled consequent administration of appropriate therapy as well as follow-up after decannulation and reconstruction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050305
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  • 8
    Electronic Resource
    Electronic Resource
    Application of M-mode sonography to functional evaluation in pediatric patients (1998)
    Springer
    European radiology 8 (1998), S. 1457-1461 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Motion-mode sonography (M-mode ; TM-mode) ; Pediatrics ; Megaureter ; Diaphragm ; Lumbar (spinal) cord
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. To assess the feasibility and advantages of functional motion-mode (M-mode) sonography in pediatric patients with various non-cardiac M-mode applications, 50 patients aged 6 days to 14.5 years with megaureter, diaphragmatic palsy and spinal cord malformation were studied. In addition to initial conventional brightness-mode gray-scale ultrasound, M-mode sonography was performed for evaluation of motion and possible impairment. The findings were compared with other imaging results. The impact of the sonographic results on clinical management was evaluated retrospectively. Impaired motion was demonstrated by conventional sonography in all cases. Only M-mode sonography enabled adequate documentation for comparison with follow-up examinations, but allowed only semiquantitative assessment. Thus even gradual improvement or deterioration can be followed in an unbiased way by using a better-documented investigation for comparison, though an objective ’ranking', especially of diaphragmatic movement, could not be achieved. M-mode sonography enables a non-invasive and non-ionizing evaluation and documentation of motion impairment in pediatric patients. It improves documentation of motion and enables a better comparison with previous findings. It is especially useful for follow-up in evolving disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050575
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  • 9
    Electronic Resource
    Electronic Resource
    Primary vesicoureteral reflux in infants with a dilated fetal urinary tract (1993)
    Springer
    European journal of pediatrics 152 (1993), S. 523-525 
    Details
    ISSN: 1432-1076
    Keywords: Vesicoureteral reflux ; Prenatal diagnosis ; Reflux nephropathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Vesicoureteral reflux (VUR) was recognized neonatally by voiding cystography in 25 of 117 infants with a dilated fetal urinary tract. There was a male preponderance (76%) and a high percentage (40%) of associated urinary malformations. Thirtynine refluxing units were studied. All grades of VUR were detected but gross dilating VUR dominated (59%). Spontaneous resolution was excellent in lower grades of VUR but was poor in gross VUR. Surgery was successfully performed in 13 renal units of nine patients with gross reflux [8], additional ipsilateral malformations [4], or pyelonephritis during antibiotic prophylaxis [1]. Segmental renal scars developed in four kidneys after urinary infections, and a diffuse parenchymal lesion was noted in nine kidneys even at birth. One boy with duplication had a non-functioning refluxing system. Our results in a small number of infants show differences to children with VUR detected after urinary infections and seem to support the existence of a congenital reflux nephropathy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01955065
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