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  • Auditory brainstem responses  (2)
  • Fresh rupture of collateral knee ligament  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Langenbeck's archives of surgery 352 (1980), S. 561-562 
    ISSN: 1435-2451
    Schlagwort(e): Fresh rupture of collateral knee ligament ; Operative ; Suture solo ; Flapped tenoplasty ; Frischer Knieseitenbandriß ; Operativ ; Naht allein ; Verstärkende Sehnenplastik
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung Im Zeitraum 1972–1975 wurden im Bergmannsheil Bochum 38 frische Kniehandverletzungen operativ versorgt. Es handelte sich um 22 isolierte und kombinierte und um 16 komplexe Bandverletzungen oder inkompl. Kniezerreißungen. Die 32 Innenbandrisse und 4 Außenbandrisse wurden nach zwei verschiedenen Methoden versorgt: 18mal durch Naht allein und 20mal durch die Kombination nahtverstärkende Sehnenplastik. Bei der Nachuntersuchung aller Fälle zeigte sich bei der Laxität und Beweglichkeit kein Vorteil der einen Methode gegenüber der anderen. Dagegen zeigte die v.Sp. vermehrte Schmerzhaftigkeit an der distalen Verankerung.
    Notizen: Summary In “Bergmannsheil” Bochum between 1972 and 1975 38 acute ruptures of knee ligaments were operated on. We differentiated 22 isolated or combined and 16 complex injuries or subtotal ruptures of the knee. The 32 medial and 6 lateral collateral ligaments were treated by two different methods. 18 by suture only and 20 by suture combined with flapped tenoplasty. We followed up all cases. The examination of laxity and range of movement showed no advantage of either method. But patients with tenoplasty often complained of pain or discomfort at the insertion site of the plastic We cannot recommend this procedure generally in fresh injuries.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    European archives of oto-rhino-laryngology and head & neck 249 (1992), S. 325-328 
    ISSN: 1434-4726
    Schlagwort(e): Auditory maturation ; Binaural interaction components ; Auditory brainstem responses ; Conductive hearing loss ; Guinea pigs
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Reversible conductive hearing loss created during the first 4 weeks post partum caused marked alterations in the maturation of binaural interaction components in the auditory brainstem responses of guinea pigs. In untreated control animals all three components investigated demonstrated postnatal development in terms of latency shortening that was completed during the first 3 weeks of life. Plugging of both external ear canals caused a significant delay in the maturation of the late component DN2, where latency values of the controls were reached only 2 weeks after the end of the treatment, i.e. after 6 weeks of life. Monaural deprivation likewise led to a retarded development of peak latencies during the phase of imbalanced sensory imput. After the end of the one-sided conductive hearing loss the maturation process was markedly enhanced, even resulting in latency values for DN2 and DP1 that were significantly shorter than those of the controls. This phenomenon persisted until the end of the study period and was the case for both plugged and untreated ears in this group of animals. The time course of latencies in two other groups of experimental animals which were deprived in the same way as adults suggests that the effects observed are due to a sensitive period in the maturation process of the auditory pathway.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    European archives of oto-rhino-laryngology and head & neck 250 (1993), S. 362-365 
    ISSN: 1434-4726
    Schlagwort(e): Auditory maturation ; Conductive hearing loss ; Auditory brainstem responses ; Middle latency responses ; Guinea pigs
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A reversible conductive hearing loss produced during the first 4 weeks post partum caused marked alterations in the development of click-evoked auditory brainstem (ABR) and middle latency (MLR) responses in guinea pigs. The early component PI in the ABR in controls showed adult-like latencies at the time of birth, while the later ABR components PIII and PV and all components investigated in the MLR showed postnatal development characterized by a shortened latency that persisted for the whole period of investigation. The course of the ABR latencies showed the sharpest decrease during the first 2–3 weeks of life, while that for the MLR took place during the first 5 weeks. In addition to the increased ABR thresholds and lengthened ABR latencies due to the conductive hearing loss, development of the ABR inter-peak latencies (IPL) and MLR latencies was retarded. The IPL reached control values 1 week after the end of the deprivation phase, while the delay in MLR started later (4th week) and lasted longer than did that in the ABR. These findings showed that a long-lasting postnatal conductive hearing loss does not generate sustained impairment at the level of the brainstem but can evoke longer-lasting deficiencies at higher stations of the auditory pathway.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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