Prospective Comprehensive Swallowing Evaluation of Minimally Invasive Esophagectomies with Cervical Anastomosis: Silent Versus Vocal Aspiration.

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Prospective Comprehensive Swallowing Evaluation of Minimally Invasive Esophagectomies with Cervical Anastomosis: Silent Versus Vocal Aspiration.

J Gastrointest Surg. 2015 Oct;19(10):1748-52

Authors: Ben-David K, Fullerton A, Rossidis G, Michel M, Thomas R, Sarosi G, White J, Giordano C, Hochwald S

Abstract
INTRODUCTION: Pneumonia and tracheal aspiration remain problematic following esophagectomy. We hypothesized that the incidence of postesophagectomy pneumonia occurs in part because of swallowing dysfunction and more importantly silent tracheobronchial aspiration. Therefore, we instituted a routine prospective formal swallowing evaluation to determine if the aspiration rate and its associated morbidity can be decreased by early identification of patients with silent or vocal aspiration.
METHODS: Patients undergoing minimally invasive McKeown esophagectomy and receiving neoadjuvant chemoradiotherapy (NACR) were prospectively enrolled between December 2013 to January 2015. A standardized cineradiography observation utilizing the Rosenbek penetration-aspiration (RPA) scale was used to rule out anastomotic leak and/or aspiration.
RESULTS: Of 27 patients evaluated, twelve patients were noted to have silent (n = 8) or vocal (cough n = 4) aspiration of thin liquid (n = 8) or nectar-thick consistency (n = 4) on their initial study. Three patients were noted to have an anastomotic leak and vocal aspiration on their initial study. Eight of the nine patients who aspirated but did not have an anastomotic leak on their initial study had a repeat RPA study prior to discharge showing improvement from the initial study. Six patients (22 %) had vocal cord paresis and clinical hoarseness, but only two patients who had clinical diagnosis of pneumonia were noted to have vocal cord paresis and silent aspiration.
CONCLUSIONS: Swallowing dysfunction remains a common problem after minimally invasive esophagectomy (MIE) with cervical anastomosis and can be readily identified. Silent aspiration likely contributes to pneumonia after MIE.

PMID: 26202151 [PubMed - indexed for MEDLINE]

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