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- W3093606997 abstract "ABSTRACT OBJECTIVES Central airway obstruction (CAO) is caused by various malignant and benign processes. Surgery is a preferred option for CAO, but if not possible, bronchoscopic treatment could be performed. Recently, bronchoscopic treatments have been improved. Particularly in airway stents, new attempts are being made to overcome the existing shortcomings of stents (migration, mucostasis, and granulation tissue formation). We recently developed a new silicone airway stent (GINA stent). The GINA stent has anti-migration design, dynamic structure enabling reduction of stent cross-sectional area, and radiopaqueness. We sought to evaluate mechanical characteristics and performance of our novel GINA stent in a pig tracheal stenosis model. METHODS All tests were performed by comparing GINA stent [outer diameter (OD, mm) 14, length (L, mm) 55] with Dumon stent (OD14L50). Mechanical tests were done using digital force gage to determine the anti-migration force, expansion force, and flexibility. Short-term (3 weeks) performance was evaluated after stent implantations [GINA (n = 4) vs. Dumon (n = 3)] in a pig model of tracheal stenosis. RESULTS Mechanical properties outcomes for GINA vs. Dumon: anti-migration force [18.4 vs. 12.8 Newton (N)]; expansion force (11.9 vs. 14.5 N); flexibility (3.1 vs. 4.5 N). Short-term (3 weeks) GINA vs. Dumon performances: mucus retention (0/4 vs. 0/3); granulation tissue formation (0/4 vs. 0/3); migration (1/4 vs. 2/3). CONCLUSIONS GINA stent demonstrated better mechanical properties than Dumon stent with a stent performance not inferior to Dumon stent." @default.
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- W3093606997 date "2020-10-26" @default.
- W3093606997 modified "2023-10-18" @default.
- W3093606997 title "Newly developed silicone airway stent (GINA stent):<i>Mechanical characteristics and performance evaluation in pigs</i>" @default.
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- W3093606997 doi "https://doi.org/10.1101/2020.10.24.343533" @default.
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