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  • Title: Direct trans-pedicular screw fixation for atypical hangman's fracture: A minimally invasive technique using the tubular retractor system.
    Author: Man Kyu C, Youngseok K, Ki Hong K, Dae-Hyun K.
    Journal: J Clin Neurosci; 2019 Dec; 70():146-150. PubMed ID: 31431401.
    Abstract:
    The ideal treatment strategy of atypical hangman's fracture (AHF) is debatable. If surgical treatment is needed, direct trans-pedicular fixation technique is advantageous in that it stabilizes the fracture site and spares adjacent motion segments. The authors describe relatively simple and minimally invasive technique using the tubular retractor system (TRS) for surgical treatment of AHF. Trans-pedicular screw fixation using the TRS was performed in seven patients with AHF. This technique was facilitated by using intraoperative fluoroscopy and a surgical microscope. Rigid cervical collar was used for 4 weeks, postoperatively. To evaluate postoperative radiological outcomes, cervical computed tomography (CT) was performed at postoperative 6 months. The clinical outcomes, including visual analog scale and neck motion, were evaluated. In surgical outcomes, no intraoperative neuro-vascular injury or postoperative complications occurred. For all patients, dynamic radiographs and CT images demonstrated a stable construct. Clinical examination also showed satisfactory pain relief and restoration of the full range of motion in the neck. Direct trans-pedicular screw fixation using the TRS for AHF appears to be safe and effective. This technique permits less skin incision and muscle dissection with good postoperative recovery. This report serves as a preliminary study and may be a surgical option for minimally invasive direct repair.
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