TObjectives: To study the impact of malnutrition on a population treated for Zenker 's diverticulum and tolook for the causes. Of persistence or recurrence of dysphagia after endoscopic surgery.Material and methods: This retrospective study included 30 patients. With Zenker 's diverticulum treated byendoscopy.All swallowing disorders and manifestations of malnutrition and postoperative improvementin and / or recurrence of symptoms. Were noted.Results: Nutritional status was evaluated for 26 patients. Before surgery 54% suffered from malnutrition which,,, Was severe in 31%; 28.6% of the cases with malnutrition showed, postoperative complications versus 8.3% of cases without. Baseline malnutrition.Ninety percent of patients (n = 27) declared completeresolution of symptoms. Nine patients presented recurrence, of dysphagia. Including 6 with recurrenceof Zenker 's diverticulum and, 3 with respectively inclusion body, myopathy esophageal hypertonia,, Andcentral disease.Conclusion:Malnutrition should be quantified and treated before and after surgery for Zenker 's divertic-ulum to prevent complications. And decrease mortality. Associated pathologies should be systematicallyscreened for especially in, case of recurrence of. Swallowing disorder without recurrence of Zenker sdiverticulum. '
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