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Published in: European Archives of Oto-Rhino-Laryngology 10/2019

01-10-2019 | Rhinology

Application of high expansion degradable cotton in nasal bleeding model of dog

Authors: Bing Zhong, Feng Liu, Feng-Juan Yang, Chun-Shu Wu, Jin-Tao Du, Shi-Xi Liu

Published in: European Archives of Oto-Rhino-Laryngology | Issue 10/2019

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Abstract

Background

The discomfort and complications have always been problems for nasal packing materials. This study provided a new nasal packing material called high expansion degradable cotton (HEDC).

Methods

Nasal endoscopic surgery was used to establish a dog model of nasal bleeding, and wound surfaces were filled with Merocel, Nasopore and HEDC, respectively. Intraoperative and postoperative bleeding of 24 h was calculated. We evaluate the absorbability score, adhesion score, infection sore and nasal mucosal epithelium in postoperative 3, 7, 14 and 28 days. HE staining and electron microscopy were used to evaluate the recovery of nasal mucosa.

Results

There was no significant difference in nasal bleeding between HEDC, Merocel and Nasopore. Nasal endoscopic examination revealed HEDC absorbability of score, adhesion score, infection score were significantly lower than Merocel and Nasopore. The epithelialization time of HEDC was significantly shorter than that of Merocel and Nasopore. HE staining showed that HEDC and Nasopore could significantly reduce scar hyperplasia on the wound surface. The results of electron microscopy suggested that HEDC could protect the edge cilia of the wound.

Conclusion

HEDC could be used as new choice for hemostasis after nasal endoscopic surgery, which could reduce nasal epithelialization time, and protect wound edge cilia.
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Metadata
Title
Application of high expansion degradable cotton in nasal bleeding model of dog
Authors
Bing Zhong
Feng Liu
Feng-Juan Yang
Chun-Shu Wu
Jin-Tao Du
Shi-Xi Liu
Publication date
01-10-2019
Publisher
Springer Berlin Heidelberg
Published in
European Archives of Oto-Rhino-Laryngology / Issue 10/2019
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-019-05568-5

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