Are stents necessary after choanal atresia repair?
Division of Otolaryngology, Children's National Medical Center, Washington, DC. .The Laryngoscope (Impact Factor: 2.14). 11/2012; 122(11):2365-6. DOI: 10.1002/lary.23381
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ABSTRACT: To determine the efficacy of topical mitomycin and stenting in patients that have undergone endoscopic repair of choanal atresia. Retrospective review of 37 endoscopic operations on pediatric patients for choanal atresia. Twenty-six sides were operated on in 17 patients; 37 total operations were performed. All 17 patients were repaired endoscopically with 1 patient requiring transpalatal revision surgery. Eight patients (47%) had a unilateral atresia and 9 (53%) were bilateral. Eleven total sides (42%) were treated initially with mitomycin. Eighteen percent of those sides required post-operative dilation vs. 40% of the sides not treated with mitomycin (p=0.39) and no patient in the mitomycin group required revision surgery compared to 20% of patients not treated with mitomycin (p=0.24). Significantly fewer sides in the mitomycin group (9%) developed granulation vs. those treated without (53%) (p=0.03). The average number of procedures performed (1.18 vs. 2.53; p=0.002) was significantly fewer in those patients treated with mitomycin vs. not. A greater amount of sides in the stent group developed granulation tissue (50% vs.0%; p=0.023). The average number of procedures performed was significantly greater in those patients treated with a stent (2.33 vs. 1.12; p=0.008). The average time spent in the hospital was significantly shorter (7.09 vs. 2.33 days; p=0.02) in those patients treated without stenting. Topical mitomycin is efficacious as an adjuvant therapy as it was associated with the formation of less granulation tissue, a lower rate of restenosis and fewer surgeries. Stenting was associated with significantly more procedures, greater formation of granulation tissue and longer overall hospital stays. However, consideration should be given toward stent placement in all neonates for the prevention of post-operative airway obstruction. Level of evidence: 2c.
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ABSTRACT: Choanal atresia is the most common congenital nasal anomaly. Diagnosis is confirmed by endoscopic examination and computed tomography. The definitive treatment is surgical, and different surgical techniques and approaches are used. We describe our experience in transnasal microsurgical treatment of congenital choanal atresia. We retrospectively evaluated 49 patients with congenital choanal atresia operated in the Department of Respiratory Endoscopy over a period of 20 years. The clinical variables analysed were type of atretic plate, age at diagnosis and surgery, associated malformations, maternal history of hyperthyroidism treated with methimazole during pregnancy, mode of airway stabilisation before surgery, surgical technique, complications, and outcome. Mixed bilateral choanal atresia was the most frequent (29 cases). Its incidence was higher in females (61.2%). Almost 51% of patients showed associated malformations, and 7 had a history of maternal hyperthyroidism treated with methimazole during pregnancy. The surgical procedure consisted of a transnasal microscopic approach and placement of a silicone endonasal stent for one to 12 weeks. Thirty-five patients required revision after surgery. Nine patients had complications. Suitable nasal ventilation was achieved in 46 patients (93.9%). One patient died of causes unrelated to the surgery. Two patients with permeable choanae remain with tracheotomy. The transnasal microsurgical repair with endonasal stent proved to be a safe and effective procedure.
Article: Disorders of the Nasal Cavity[Show abstract] [Hide abstract]
ABSTRACT: Neonatal nasal obstruction and congestion is a fairly common occurrence. Fortunately, this is usually not a life-threatening problem and resolves with limited treatment. As with most conditions, a systematic history and physical examination often reveals the correct diagnosis. Occasionally, the initial diagnosis remains elusive and serial evaluations are required. Most anatomic anomalies are surgically correctable; however, a few are extremely difficult to resolve.