Experimental tracheal resection and anastomosis in dogs

Three techniques of tracheal anastomosis viz., simple interrupted pericarti laginous sutures, everting anastomosis by applying horizontal mattress thro ugh the apposed annular ligaments and telescoping anastomosis at two differ ent degrees of tracheal resection (4 and 8 rings) were compared. The everti ng anastomotic technique proved better in terms of tracheal apposition, nar rowing of lumen and healing. The degree of resection as such seems to be ha ving no effect on tracheal healing.