Zusammenfassung
Matriderm® ist ein Dermisersatzmaterial aus nativem Kollagen, beschichtet mit Elastin-Hydrolysat.
Es ist in den Stärken 1 mm und 2 mm erhältlich in den Größen DIN A6 und DIN A4. Die
Anwendung erfolgt simultan mit gemeshter oder ungemeshter Spalthaut. Die Operationszeiten
werden dadurch nicht wesentlich verlängert. Die Einheilungsrate der Spalthauttransplantate
wird nicht verschlechtert, lediglich die Einheilungszeit kann etwas verlängert werden.
Im Tiermodell konnte gezeigt werden, dass die Narbenkontraktur vermindert wird, histologisch
sind die Kollagenfasern weniger parallel angeordnet als bei typischem Narbenkollagen.
Es existieren wenige Langzeituntersuchungen zur Elastizität, die keinen signifikanten
Unterschied zur alleinigen Spalthauttransplantation zeigen. Klinische Daten zur Entwicklung
von Narbenkontrakturen fehlen.
Abstract
Matriderm® is a dermal substitute consisting of a native (non-cross-linked) collagen
matrix supplemented by a elastin hydrolysate. It is available in sheets of 1 mm and
2 mm thickness, and may be covered in a single step procedure with immediate split
thickness skin grafting. Duration of the surgical procedures are only marginally increased.
There is no diminished take of split thickness graft and only marginally prolonged
healing time compared with the split thickness graft only. In experimental models
the matrix reduces wound contracture, histologically collagen bundles in the scar
are more randomly orientated. Clinical trials with a long-term clinical evaluation
showed no difference in scar elasticity between the described dermal substitute and
split thickness grafts alone. There is a lack of clinical data on the development
of wound contracture.
Schlüsselwörter
Hautersatz - primäre Verbrennungschirurgie - Kollagen‐Elastin‐Matrix - Single‐step‐Verfahren
Key words
skin substitute - primary burn surgery - collagen‐elastin matrix - single‐stage procedure
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Dr. med. Perikles Kolokythas
Klinik für Hand-, Plastische und Mikrochirurgie Berufsgenossenschaftliches Unfallkrankenhaus Hamburg
Bergedorfer Straße 10
21033 Hamburg
Email: p.kolokythas@buk-hamburg.de