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Erschienen in: European Archives of Oto-Rhino-Laryngology 1/2012

01.01.2012 | Laryngology

A comparison of the efficacy of 5-fluorouracil/triamcinolone, carnitine and dexamethasone therapy on wound healing in tracheal injury: potential for preventing tracheal stenosis?

verfasst von: Mehmet Guven, Fatih Turan, Ahmet Eyibilen, Ali Akbaş, Ünal Erkorkmaz

Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 1/2012

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Abstract

The aim of the study was to investigate the efficacy of 5-flourouracil/triamcinolone acetonide (5-FU/TA), carnitine and dexamethasone on wound healing in an animal model of tracheal injury. Twenty-eight rats underwent surgical injury of the tracheal mucosa and perichondrium under general anesthesia, and were randomized into four groups. Group I (the control group) received nothing after tracheal trauma. Group II received intratracheal 5 mg 5–FU/TA combined with 0.2 ml sodium hyaluronic acid once. Group III received intraperitoneal carnitine 100 mg/kg/day for 20 days. Group IV received intramuscular dexamethasone 0.1 mg/day for 20 days. After 1 month, the levels of superoxide dismutase enzyme activity (SOD) and levels of malondialdehide (MDA) and nitric oxide (NO) in serum were measured and the tracheal specimens were harvested for histopathologic examination. SOD was significantly lower in the carnitine group compared to the control group. A statistically significant decrease in MDA levels were observed in the 5-FU/TA and carnitine groups compared to the control group. NO levels were significantly lower in the 5-FU/TA group, but significantly higher in the dexamethasone group, compared to the control group. The fibrotic tissue volumes of tracheal specimens were significantly lower in both the 5-FU/TA and carnitine groups than those of the control group, but trended toward higher volumes in the dexamethasone group when compared to controls. We concluded that 5-FU/TA and carnitine diminish the occurrence of tracheal stenosis (TS) secondary to experimentally induced tracheal trauma.
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Metadaten
Titel
A comparison of the efficacy of 5-fluorouracil/triamcinolone, carnitine and dexamethasone therapy on wound healing in tracheal injury: potential for preventing tracheal stenosis?
verfasst von
Mehmet Guven
Fatih Turan
Ahmet Eyibilen
Ali Akbaş
Ünal Erkorkmaz
Publikationsdatum
01.01.2012
Verlag
Springer-Verlag
Erschienen in
European Archives of Oto-Rhino-Laryngology / Ausgabe 1/2012
Print ISSN: 0937-4477
Elektronische ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-011-1766-9

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