B Walton1, J Vellucci1, P B Patel1, K Jennings2, S McCammon1, M P Underbrink1. 1. Department of Otolaryngology, University of Texas Medical Branch, Galveston, TX, USA. 2. Department of Epidemiology and Biostatistics, University of Texas Medical Branch, Galveston, TX, USA.
Abstract
OBJECTIVE: The purpose of this study was to find a correlation between closure technique in pharyngeal closure and outcomes of both pharyngocutaneous fistula and post-laryngectomy stricture after laryngectomy. STUDY DESIGN: Retrospective Chart Review. METHODS: We retrospectively reviewed a total of 151 patients over a 20-year period from January 1994 to December of 2013 who underwent primary pharyngeal reconstruction after total laryngectomy specifically looking at the closure technique in relation to pharyngo-cutaneous fistula (PCF) and post-laryngectomy stricture postoperatively. Patients were excluded based on secondary pharyngeal closure. Using logistic regression modelling, we performed univariate and multivariate analyses of our data. RESULTS: The overall PCF and post-laryngectomy stricture rates were 19.1% and 15.8%. When salvage laryngectomy was excluded, t-type closure had a significantly lower risk of fistula rate (P=.038) compared to vertical closure. In multivariate analysis, this statistical significance was lost (P=.23); however, non-salvage t-type closure remained significantly better than both salvage laryngectomy groups (t-type, P=.033, vertical, P=.037), while non-salvage vertical closure had no significant difference from other groups. There was no difference in stricture rate between the two closure techniques (P=.63). CONCLUSION: Our study supports the role of t-type closure decreasing fistula rates in primary pharyngeal reconstruction. Orientation of the pharyngeal closure does not appear to change the risk of post-laryngectomy stricture formation after total laryngectomy. Salvage laryngectomy with primary pharyngeal reconstruction remains an independent risk factor for fistula formation.
OBJECTIVE: The purpose of this study was to find a correlation between closure technique in pharyngeal closure and outcomes of both pharyngocutaneous fistula and post-laryngectomy stricture after laryngectomy. STUDY DESIGN: Retrospective Chart Review. METHODS: We retrospectively reviewed a total of 151 patients over a 20-year period from January 1994 to December of 2013 who underwent primary pharyngeal reconstruction after total laryngectomy specifically looking at the closure technique in relation to pharyngo-cutaneous fistula (PCF) and post-laryngectomy stricture postoperatively. Patients were excluded based on secondary pharyngeal closure. Using logistic regression modelling, we performed univariate and multivariate analyses of our data. RESULTS: The overall PCF and post-laryngectomy stricture rates were 19.1% and 15.8%. When salvage laryngectomy was excluded, t-type closure had a significantly lower risk of fistula rate (P=.038) compared to vertical closure. In multivariate analysis, this statistical significance was lost (P=.23); however, non-salvage t-type closure remained significantly better than both salvage laryngectomy groups (t-type, P=.033, vertical, P=.037), while non-salvage vertical closure had no significant difference from other groups. There was no difference in stricture rate between the two closure techniques (P=.63). CONCLUSION: Our study supports the role of t-type closure decreasing fistula rates in primary pharyngeal reconstruction. Orientation of the pharyngeal closure does not appear to change the risk of post-laryngectomy stricture formation after total laryngectomy. Salvage laryngectomy with primary pharyngeal reconstruction remains an independent risk factor for fistula formation.
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