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  • Title: Utility of the ultrasonic scalpel in mandibular distraction osteogenesis.
    Author: Chung CU, Yu JW, Bastidas N, Bartlett SP, Taylor JA.
    Journal: J Craniofac Surg; 2012 Sep; 23(5):1279-82. PubMed ID: 22948652.
    Abstract:
    The purpose of this study was to describe our technique of bilateral mandibular distraction for micrognathia and to highlight the ultrasonic scalpel as an alternative to conventional saws in performing osteotomies for mandibular distraction osteogenesis. To do so, we retrospectively reviewed all patients who underwent mandibular distraction with an ultrasonic scalpel for tongue-based upper airway obstruction due to micrognathia between 2010 and 2011. Study outcome measures include operative blood loss, length of surgery, postoperative complications, and avoidance of a tracheostomy. Excel (Microsoft) was used to calculate averages, P values (2-tailed Student t test), and SDs for operative data, sleep studies, and cephalometric analysis. Nine patients--7 females and 2 males--were distracted for a mean distance of 17 ± 6 mm. Mean blood loss was 15 ± 7 mL, and the average length of surgery was 111 ± 27 minutes. One patient returned to the operating room for debridement/washout of a wound infection, but distraction was continued without sequelae. There were no other postoperative complications. Resolution of airway obstruction was evidenced by clinical examination and avoidance of a tracheostomy in all cases. Based on these data, we feel that mandibular distraction with univector, internal distractors, and ultrasonic osteotomies at the mandibular angle is safe and efficacious at relieving tongue-based upper airway obstruction and avoiding a tracheostomy.
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