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PubMed1997

Suprastomal granulation tissue and pediatric tracheotomy decannulation.

Although numerous decannulation techniques have been reported, often involving costly sleep studies, repetitive laser procedures, and tracheotomy tube "downsizing," no established standard of care exists. We advocate the following simple, minimally invasive decannulation protocol. After excluding concomitant airway lesions, suprastomal granulation is removed transtomally by an endoscopically guided rongeur. A tracheotomy tube is then fashioned with a fenestration centered in the tracheal lumen. Decannulation occurs if the patient maintains adequate ventilation over a 12- to 24-hour observation period with the fenestrated tracheotomy capped. Over 18 months we prospectively followed 10 consecutive children presenting as potential decannulation candidates. Using the aforementioned technique, nine of 10 patients were successfully decannulated (average follow-up, 11.5 months). The postoperative capped fenestrated tracheotomy trial provides a realistic assessment of preparedness for decannulation. We recommend this protocol as a rapid, efficient, and cost-effective means of achieving decannulation.

Adolescent↗
PubMed1994

Interference of the blood clot on granulation tissue formation after tooth extraction. Histomorphological study in rats.

The interference of a blood clot in the first postoperative hours of dental extraction wounds was studied in rats. Sixty male albino rats were divided into two groups: Group I, immediately after extraction of right maxillary incisor the gingival mucosa was approximated and sutured; Group II, after 6 to 8 minutes postoperatively the blood clot was removed with saline irrigation and absorbent paper cones. The mucosa was then approximated and sutured. Six animals in each group were sacrificed after 12 hours, 1, 4, 7 and 10 days. There was a profound delay in healing in Group II since, although a new blood clot was later formed, it was not organized. The quality and the constitution, maintenance and retraction of the clot are the regulating factors in connective tissue formation during alveolar healing.

Alveolar Process↗