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Revista americana de medicina respiratoria
versión On-line ISSN 1852-236X
Resumen
ISIDORO, Ricardo; DEBAIS, Marcelo y VILAS, Gerardo. How Long Should a Tracheal Stent Remain Implanted? Healing of Stenosis 10, 16, and 22 Years After Implantation. Rev. am. med. respir. [online]. 2023, vol.23, n.3, pp.145-154. ISSN 1852-236X. http://dx.doi.org/10.56538/ramr.pvaw8137.
Three tracheal stents were removed after 10, 16, and 22 years, followed by healing of tracheal stenosis.
Two new cases of benign tracheal stenosis are reported, treated with silicone pros theses, which presented for follow-up after very long absences: 16 years in one case and 22 years in the other. They add to a previously published case that was healed 10 years after the stent was implanted, which also had a wide and stable tracheal lumen after removal. The endoscopic findings are described, and reflections are included on the healing of the observed stenosis in all cases and its probable relationship with the prolonged indwelling of the prostheses. The physical properties of the stents are inves tigated after such a long period since implantation, and they are compared with a new device. A proposal is put forward that could lead to the healing of tracheal stenosis with endoscopic treatment and prolonged indwelling of the stent.
Palabras clave : Tracheal stenosis; Tracheal stent; Tracheal prosthesis; Indwelling time of tracheal stent; Healing of benign tracheal stenosis.