Zusammenfassung
Hintergrund
Studien zum funktionellen und audiologischen Ergebnis der Tympanoplastik Typ I mit reinem Perichondrium existieren bisher nur wenige.
Material und Methode
Daten von 80 zufällig ausgewählten zwischen 1998 und 2008 mit reinem Perichondrium operierten Patienten wurden retrospektiv ausgewertet. Der mittlere Nachuntersuchungszeitpunkt betrug 9 Monate. Die Untersuchungsparameter waren der prä-und postoperative Trommelfellzustand und das „air-bone gap“ (ABG) sowie der Einfluss der Größe und des Entstehungsmechanismus (entzündlich, traumatisch, iatrogen) der Perforation.
Ergebnisse
Die Verschlussrate mit der Tympanoplastik Typ I mit reinem Perichondrium betrug 85%, die ABG-Reduktion 10,8 (±7,22) dB. Der Entstehungsmechanismus und die Größe des Primärdefekts hatten keinen Einfluss auf den Verschlusserfolg.
Schlussfolgerung
Bezüglich der Verschlussrate kann reines Perichondrium sehr gut für die Defektdeckung am Trommelfell genutzt werden. Das postoperative Hörergebnis ist mit anderen Transplantaten wie Faszien oder kombinierten Knorpelperichondriumtransplantaten vergleichbar. Die intraoperative Handhabung und Positionierung erscheint komfortabler.
Abstract
Background
There are very few studies analyzing the functional und audiological results of tympanoplasty type I using pure perichondrium.
Materials and methods
Data of 80 randomly selected patients, who had tympanoplasty surgery between 1998 and 2008 with pure perichondrium were evaluated retrospectively. Average postoperative follow-up was 9 months. The preoperative- and postoperative status of tympanic membrane, air-bone gap (ABG) and influence of perforation size and perforation etiology on closure rate served as study parameters.
Results
The closure rate for tympanoplasty type I with pure perichondrium was 85% and the mean ABG reduction was 10.8±7.22 dB. Size and etiology of the perforation had no influence on operative results.
Conclusions
Concerning closure rates pure perichondrium is very suitable for repairing tympanic membrane defects. Postoperative audiological results can be compared to other transplants, such as temporal fascia or combined cartilage-perichondrium grafts and the intraoperative handling and positioning seem to be more comfortable.
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Haisch, A., Harder, J., Hopfenmüller, W. et al. Funktionelles und audiologisches Ergebnis der Tympanoplastik Typ I mit reinem Perichondrium. HNO 61, 602–608 (2013). https://doi.org/10.1007/s00106-013-2675-6
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DOI: https://doi.org/10.1007/s00106-013-2675-6