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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    HNO 47 (1999), S. 535-540 
    ISSN: 1433-0458
    Schlagwort(e): Schlüsselwörter Hörschäden ; Knalltrauma ; Kinder ; Tinnitus ; Erweiterte Hochtonaudiometrie ; Key words Hearing loss ; Acoustic trauma ; Children ; Tinnitus ; High-frequency audiometry
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Summary The study presents an analysis of 20 cases of acute acoustic trauma caused by toy pistols. The problem generally involves boys within the age range from 6 to 11 years. Half of the incidents involved attacks with toy pistols used as weapons. Auditory damage appeared in two types, each of which had a notch in the audiogram at the frequency range between 10 and 14 kHz. In children, a shot close to one ear can damage both ears. Great differences in the severity of tinnitus were apparent. The most severe cases of tinnitus were observed in the children with no or minor premanent auditory damage. Children experiencing long periods of uninterrupted tinnitus suffer significantly. This is not only detrimental to family-life but also to the performance of the children at school. The total expenses of treatment for these 20 cases were estimated to be approximately 80,000 DM (40.000 Euro).
    Notizen: Zusammenfassung Im Rahmen einer Studie wurden 20 Fälle von Knalltraumata durch Kinderpistolen erfaßt und ausgewertet. Die Problematik betrifft fast nur männliche Personen und schwerpunktmäßig den Altersbereich von 6–11 Jahren. Die Hälfte der Vorfälle waren Angriffe, bei denen die Kinderpistole als Waffe eingesetzt wurde, 2 Typen von Hörschäden sind festzustellen, die jedoch beide durch eine Senke im Bereich von 10–14 kHz charakterisiert sind. Bei Kindern kann der Schuß in eines der Ohren auch das andere Ohr schädigen. Sehr große Unterschiede bestehen im Auftreten von Tinnitus. Die Fälle mit starkem Tinnitus haben keine oder nur geringe bleibende Hörschäden. Die von Knalltraumata betroffenen Kinder leiden oft sehr stark unter langanhaltendem Tinnitus. Dabei wird nicht nur das Leben der Familien beeinträchtigt, sondern auch die schulischen Leistungen der Kinder leiden teilweise sehr stark darunter. Für die Therapie dieser 20 Fälle entstanden Gesamtkosten von ca. 80.000,- DM
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1432-1920
    Schlagwort(e): Transcranial Doppler sonography ; Duplex scanning ; Arterio-venous malformation ; Real-time sonography ; Transcranial color-coded sonography ; MRI
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Transcranial color-coded real-time sonography (TCCS) is a new diagnostic method allowing the non-invasive imaging of parenchymal and vascular structures of the adult brain through the intact skull. A description of the sonographic findings in two patients presenting with a radiologically ascertained arterio-venous malformation is provided. The AVM's can be depicted in the two-dimensional B-mode image as echodense areas interspersed with zones of lower echodensity. Their extension correlated with corresponding MRI images. The color-coded illustration of intravascular flow phenomena allowed the distinct identification of the major afferent feeding vessels, the venous drainage and of the vascular convolution of both AVM's. Information on hemodynamics, as e.g. the blood supply of the angioma by the contralateral internal carotid artery, are obtained by color-coded identification of intravascular flow direction including analysis of the Doppler frequency spectrrum. All findings obtained by TCCS complied with those established by angiography. We conclude, that TCCS is a suitable method for early diagnosis and long term follow up of cerebral AVM's.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    European radiology 7 (1997), S. 307-312 
    ISSN: 1432-1084
    Schlagwort(e): Key words: Arrhythmogenic right ventricle dysplasia ; MRI ; Fat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Arrhythmogenic right ventricular dysplasia (ARVD) is a heart disease characterized by a total or partial fat replacement of the myocardium. A total of 30 patients were studied with a suspected diagnosis of ARVD. Clinical criteria used for evaluation of ARVD were: (a) ventricular origin arrhythmias with a left bundle branch block configuration, (b) T-wave inversion in the anterior precordial leads, (c) ventricular kinetic alterations observed using echocardiography and angiography and (d) cardiac failure when there are no pathologies attributable to other heart diseases. All patients had serial EKG and echocardiography tests. One third of patients underwent angiocardiography; 7 of 30 had Holter; 7 of 30 had exercise test just to evaluate the effectiveness of the anti-arrhythmic therapy. All patients underwent MRI examination. The following MRI criteria were used: (a) high-intensity areas indicating the fatty substitution of the myocardium, (b) ectasia of the right ventricular outflow tract, (c) dyskinetic bulges, (d) dilation of the right ventricle and (e) enlargement of the right atrium. The diagnosis of ARVD was classified as highly probable for patients manifesting at least three positive criteria, probable with two positive criteria, dubious with one and negative in the absence of all criteria. Highly probable diagnosis of ARVD was made in 8 patients, probable in 4, dubious in 7 and negative in 11. The MRI technique is very effective in the assessment of ARVD. The MRI criteria may be helpful in the diagnosis of this condition.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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