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  • Title: Effect of steroid-releasing sinus implants on postoperative medical and surgical interventions: an efficacy meta-analysis.
    Author: Han JK, Marple BF, Smith TL, Murr AH, Lanier BJ, Stambaugh JW, Mugglin AS.
    Journal: Int Forum Allergy Rhinol; 2012; 2(4):271-9. PubMed ID: 22550039.
    Abstract:
    BACKGROUND: Endoscopic sinus surgery (ESS) for chronic rhinosinusitis (CRS) can be compromised by postoperative inflammation, polyposis, and adhesions, often requiring subsequent interventions. A bioabsorbable, steroid-releasing sinus implant has been studied in 2 prospective, randomized clinical trials for its ability to preserve sinus patency and reduce medical and surgical interventions after ESS in patients with CRS. The objective of this study was to perform a meta-analysis of the efficacy results from the 2 trials. METHODS: The 2 prospective, randomized, double-blinded, multicenter trials enrolled a total of 143 patients utilizing an intrapatient control design. Postoperative day 30 videos were obtained for each patient, randomly ordered, and presented to an independent panel of 3 otolaryngologists for grading of efficacy endpoints. The need for postoperative interventions, formation of polyposis, and adhesions were assessed. Results from the 2 studies were then pooled. RESULTS: Implants were successfully placed in all 286 ethmoid sinuses. According to the grading done by the panel, drug-releasing implants reduced postoperative interventions by 35% (p = 0.0008), lysis of adhesions by 51% (p = 0.0016), and oral steroid need by 40% (p = 0.0023), compared to controls. The relative reduction in frank polyposis was 46% (p < 0.0001). CONCLUSION: Early postoperative healing is a predictor of longer-term success after sinus surgery. Evaluation of postoperative outcomes by a blinded independent panel demonstrates that steroid-releasing implants that provide a sustained release of corticosteroid improve surgical outcomes by reducing frank polyp formation, sinus adhesions, and middle turbinate lateralization. Steroid-releasing implants reduce the need for surgical intervention, and the need for oral steroid treatment.
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