1997
DOI: 10.1007/s001060050142
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Die Arrosion und Nekrose des langen Amboßschenkels nach Otoskleroseoperation

Abstract: The frequency and possible causes of erosion and necrosis of the long process of the incus induced by various types of prostheses following stapes surgery for otosclerosis are discussed. Between 1987 and 1995, 1144 stapes operations were performed including 117 revisions of stapes surgery performed by third parties and 27 revisions performed by the author. For the first time, necrosis of the long process of the incus caused by teflonplatinum piston is described on the basis of findings in five cases, in which … Show more

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Cited by 30 publications
(10 citation statements)
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“…Loosening of the wire loop or prosthesis extrusions from the oval window with fibrosis or ossification of the oval window occurred after stapedotomies with piston prostheses. Indeed, an anterior position of the wire loop in front of the long incus process was found in 6 cases, indicating a previous progressive migration of the wire through the bone, as reported by others (18) with the use of platinum-band prostheses. When the footplate perforation was too narrow, canting of the piston with subsequent incus erosion was found (Fig.…”
Section: Intraoperative Findingssupporting
confidence: 56%
“…Loosening of the wire loop or prosthesis extrusions from the oval window with fibrosis or ossification of the oval window occurred after stapedotomies with piston prostheses. Indeed, an anterior position of the wire loop in front of the long incus process was found in 6 cases, indicating a previous progressive migration of the wire through the bone, as reported by others (18) with the use of platinum-band prostheses. When the footplate perforation was too narrow, canting of the piston with subsequent incus erosion was found (Fig.…”
Section: Intraoperative Findingssupporting
confidence: 56%
“…Eine kritische Stelle betreffend Stabilität des Hörgewinns ist die Schlinge zur Verankerung der Prothese am Incus, da durch den Druck der Prothese im Laufe der Jahre eine Arrosion bis zur Nekrose des langen Ambossschenkels entstehen kann [3,4], Zur Vermeidung dieser Komplika tion wurden die anfänglich verwendeten Draht-durch Bandschlingen ersetzt, in der Hoffnung, dass durch den breiten Kontakt Drucknekrosen am Incus verhindert würden. Diese Hoffnung hat sich mit den in den letzten Jahren breit angewandten Platinband-Teflon-Pistons nicht gänzlich erfüllt [4], Untersuchungen weisen darauf hin, dass Platin selbst einen Knochenabbau bewirken könnte [5] …”
Section: Isku Ssio Nunclassified
“…Diese Piston haben ein breites weiches Band, das sich leicht und gleichmäûig an den Incusfortsatz pressen lässt. Gemäû Schimanski[216,217] haben Goldpiston den zusätzlichen Vorteil, dass sie eine besonders glatte Oberfläche haben und deshalb eine optimale Prothesenbeweglichkeit in der Fuûplattenöffnung gewährleisten. Zudem kämen bei Goldprothesen Incusfortsatznekrosen kaum vor.…”
unclassified