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Outcomes of Frontal Sinus Stenting With Steroid Impregnated Microsponge Versus Steroid-Eluting Implant.
American Journal of Rhinology & Allergy 2023 November
BACKGROUND: Mometasone-eluting poly-L-lactide-coglycolide (MPLG) is available commercially for frontal sinus ostium (FSO) stenting. An alternative chitosan polymer-based drug delivery microsponge is also available at a lower cost per unit.
OBJECTIVE: To compare the outcomes of MPLG stents versus triamcinolone-impregnated chitosan polymer (TICP) microsponge in frontal sinus surgery.
METHODS: Patients who underwent endoscopic sinus surgery from December 2018 to February 2022 were reviewed to identify those with the intraoperative placement of TICP microsponge or MPLG stent in the FSO. FSO patency was evaluated by endoscopy at follow-up. Twenty-two-item sinonasal outcome test (SNOT-22) was also recorded, and complications were noted.
RESULTS: A total of 68 subjects and 96 FSOs were treated. TICP was first used in August 2021 and MPLG in December 2018. MPLG placement in a Draf 3 cavity was excluded since TICP had not been used during Draf 3 procedure. Both cohorts (TICP 20 subjects, 35 FSOs; MPLG 26 subjects, 39 FSOs) had similar clinical characteristics. At a mean total follow-up of 249.2 days for TICP and 490.4 days for MPLG, FSO patency was 82.9% and 87.1%, respectively ( P = .265). At an equivalent follow-up of 130.6 days in TICP and 154.0 days in MPLG, patency was 94.3% and 89.7%, respectively ( P = .475). Both groups showed significant reductions in SNOT-22 ( P < .001). MPLG demonstrated crusting within the FSO at 1 month (none in TICP).
CONCLUSION: FSO patency for both stents was similar, although TICP had significantly lower costs per unit. Additional comparative trials may be helpful for guiding clinicians on the appropriate clinical situations for the use of these devices.
OBJECTIVE: To compare the outcomes of MPLG stents versus triamcinolone-impregnated chitosan polymer (TICP) microsponge in frontal sinus surgery.
METHODS: Patients who underwent endoscopic sinus surgery from December 2018 to February 2022 were reviewed to identify those with the intraoperative placement of TICP microsponge or MPLG stent in the FSO. FSO patency was evaluated by endoscopy at follow-up. Twenty-two-item sinonasal outcome test (SNOT-22) was also recorded, and complications were noted.
RESULTS: A total of 68 subjects and 96 FSOs were treated. TICP was first used in August 2021 and MPLG in December 2018. MPLG placement in a Draf 3 cavity was excluded since TICP had not been used during Draf 3 procedure. Both cohorts (TICP 20 subjects, 35 FSOs; MPLG 26 subjects, 39 FSOs) had similar clinical characteristics. At a mean total follow-up of 249.2 days for TICP and 490.4 days for MPLG, FSO patency was 82.9% and 87.1%, respectively ( P = .265). At an equivalent follow-up of 130.6 days in TICP and 154.0 days in MPLG, patency was 94.3% and 89.7%, respectively ( P = .475). Both groups showed significant reductions in SNOT-22 ( P < .001). MPLG demonstrated crusting within the FSO at 1 month (none in TICP).
CONCLUSION: FSO patency for both stents was similar, although TICP had significantly lower costs per unit. Additional comparative trials may be helpful for guiding clinicians on the appropriate clinical situations for the use of these devices.
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