Tracheal anastomosis with new synthetic monofilament absorbable sutures.

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During the last decade, tracheal and bronchial reconstructions have been increasing in thoracic surgery. We examined two new synthenic monofilament absorbable sutures, one made from a polydioxanone (PDS) and one from copolymer of trimethylene carbonate and glycolide (MAXON), and studied their biologic behavior in terms of resistance to breaking, tissue reaction and absorption when used for tracheal reconstruction. Dogs were anesthetized, and end to end anastomosis of the tracheal was performed with PDS, size 4-0 or MAXON, size 4-0. Tracheal specimens were taken at autopsy once a week for 9 weeks. Size 4-0 PDS retained 50 percent of its resistance to breaking for 21-28 days. Size 4-0 MAXON retained 50 percent of its resistance to breaking for 18-21 days. Both synthetic monofilament absorbable suturers caused only slight tissue reaction.<BR>Conclusion : After tracheal reconstruction, these two new. It is conceded that these new monofilament absorbable sutures are useful for tracheal reconstruction.
特定非営利活動法人日本呼吸器外科学会の論文