Abstract
The salvage-laryngectomy (SLE) has compared to the laryngectomy a high risk for complications. The salivary fistula is the most frequent complication with an incidence range from 3% to 65% according to the literature. From 2004-2011 we included in this study 16 patients with a recurrent or secondary T4a-squamous cell carcinoma (HNSCC) of the larynx or pyriform sinus undergoing a SLE. 6 HNSCC were located at the pyriform sinus (44%) and 9 at the larynx (56%). The aim of this retrospective study was to analyze the risk of developing a postoperative fistula after SLE as well as to present our surgical concept of persisting fistula treatment. 6 out of these 16 patients (38%) had a persisting fistula which needed a secondary surgical closure. In all of these cases we used a "sandwich"-concept which included a reconstruction of the pharynx by the pectoralis myofascial flap and another regional rotation flap as the deltopectoral flap or the latissimus dorsi flap for skin reconstruction of the neck. With this concept we were able to successfully close the fistula after the SLE in all 6 cases. By using our "sandwich"-concept we provide a multi-layered fistula closure with insertion of vital muscle tissue and a double epithelium. This guarantees a secure barrier to the saliva and prevents effectively a further fistula.
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