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KMID : 0352519830200020023
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Korea Univercity Medical Journal
1983 Volume.20 No. 2 p.23 ~ p.28
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Histopathological Considerations of the Tracheotomy Wound
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Abstract
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The inevitable complications following tracheotomy are known to be the tracheal stenosis or the narrowing of tracheal lumen.
The author have investigated the healing process of tracheal wall histopathologically after tracheotomy, using adult dogs.
The results of this experiment are as follows;
1) The healing process on epithelial layer and lamina propria of tracheal wall were proliferated gradually from 1 to 5 weeks after extubation.
2) The significant histopathological relationships were identified between regeneration of tracheal cartilage and infection of tracheotomy wound.
3) In the group of the oval resection through five to seven ring of trachea, the regeneration and closure on the site of tracheotomy wound were not observed and granulation tissue was occurred into the tracheal lumen macro- and microscopically.
4. In the group of the vertical incision at the same position of tracheal ring, the regeneration and closure of tracheotomy site were observed, but granulation tissue in the tracheal lumen was not occurred macro- and microscopically.
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