Background: Esophageal atresia (EA) is associated with tracheobronchomalacia (TBM), which in its most severe form, causes blue spells, brief resolved unexplained events (BRUEs) that can require cardiopulmonary resuscitation (CPR), and positive pressure ventilation (PPV) or ventilator dependence, often requiring tracheostomy. We study the role of tracheobronchopexy, as an alternative to tracheostomy, in EA patients with severe life-threatening TBM.
Methods: We reviewed EA patients who underwent tracheobronchopexy for blue spells, BRUEs, and failure to wean PPV or extubate from February 2013 to September 2021 at two institutions. Patient characteristics, surgical techniques, and respiratory outcomes were reviewed.
Results: 80 EA patients (most Gross type C 92.5 %) underwent 91 tracheobronchopexies at median age 6 (IQR 3-14) months for blue spells/BRUEs (53 %), PPV (21 %), and ventilator dependence (26 %). On preoperative dynamic bronchoscopy, most (90 %) demonstrated complete airway collapse. Surgical approach for tracheobronchopexy was posterior (73 %), anterior (23 %), and simultaneous posterior and anterior (4 %). Tracheobronchopexy included thoracic trachea alone (58 %), trachea and bronchi (41 %), and bronchi alone (1 %). At latest follow up of median 39 (IQR 14-64) months, there were no recurrent blue spells/BRUEs (p < 0.001) and significantly reduced PPV and ventilator dependence (p < 0.001). Nearly all patients (n = 75, 94 %) avoided tracheostomy. Mortality was 5 %, one 30-day operative mortality and three long-term mortalities related to underlying comorbidities.
Conclusions: In EA patients with severe life-threatening TBM, tracheobronchopexy significantly reduces blue spells/BRUEs, PPV, and ventilator dependence, and avoids tracheostomy. This surgical strategy should be considered the treatment of choice for EA patients with severe life-threatening TBM symptoms.
Level of evidence: Level IV Treatment Study.
Keywords: Esophageal atresia; Tracheobronchomalacia; Tracheobronchopexy; Tracheostomy.
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