Endoscopic septonasal flap technique effective in neonates with congenital choanal atresia
Multiple surgical approaches have been proposed to repair the congenital choanal atresia. However, there remains no general consensus about the optimal surgical technique. Therefore, it was found out that the endoscopic septonasal flap technique can effectively expose and expand the choanal bony structure for repair of congenital choanal atresia in neonates and infants.
The research is published in the Journal of Otolaryngology- Head and Neck Surgery.
Peng-peng Wang and associates from the Department of Otorhinolaryngology Head and Neck Surgery, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, People's Republic of China aimed to describe and evaluate outcomes of the endoscopic septonasal flap technique combined with bioabsorbable steroid-eluting stents for repair of congenital choanal atresia in neonates and infants.
Clinical data of 37 neonates and infants with congenital choanal atresia who received nasal endoscopic surgery with the flap technique were analyzed retrospectively. All patients were subjected to ultra low dose paranasal sinus computed tomography imaging preoperatively to confirm diagnosis and plan the surgery.
In the entire sample, the mirrored L-shaped flap technique was performed for bilateral atresia and the cross-over L-shaped flap technique was performed for unilateral atresia.
A total of 22 patients had silicone stents postoperatively and 15 patients had bioabsorbable steroid-eluting stents postoperatively. Silicone stents were removed at one month postoperatively under secondary general anesthesia, while no anesthesia was needed to remove the bioabsorbable steroid-eluting stents. Postoperative follow-up ranged from 10 months to 3 years.
The following findings were observed-
a. The septonasal flap technique was performed in all patients.
b. Compared with the silicone stents group, the average operative duration and the hospital length of stay in the bioabsorbable steroid-eluting stents group were decreased, the average number of procedures was reduced, the differences were statistically significant.
c. There were no reports of postoperative restenosis and complications in the bioabsorbable steroid-eluting stents group, and follow-up endoscopic examinations showed patency and stable nasal passages in all cases.
As a result, it was concluded that "the endoscopic septonasal flap technique can effectively expose and expand the choanal bony structure for repair of congenital choanal atresia in neonates and infants."
They further inferred that the combined use of this technique along with bioabsorbable steroid-eluting stents can help prevent the need for revision procedures and also against stent-related injuries.
Wang, Pp., Tang, Lx., Zhang, J. et al. Combination of the endoscopic septonasal flap technique and bioabsorbable steroid-eluting stents for repair of congenital choanal atresia in neonates and infants: a retrospective study. J of Otolaryngol - Head & Neck Surg 50, 51 (2021). https://doi.org/10.1186/s40463-021-00535-9
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