---
title: Proof of Concept Functional Endoscopic Esophageal Evaluation of Swallowing (FEEES) Using Unsedated Transnasal Endoscopy
description: Feasibility of FEEES using sedation-free TNE in a hospital outpatient clinic on a 14-year-old male diagnosed with Type 2 Achalasia and Eosinophilic Esophagitis (EoE).
---

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# [Proof of Concept Functional Endoscopic Esophageal Evaluation of Swallowing (FEEES) Using Unsedated Transnasal Endoscopy](https://www.evoendo.com/resources/proof-of-concept-functional-endoscopic-esophageal-evaluation-of-swallowing-feees-using-unsedated-transnasal-endoscopygood)

 Written by [Ridhima Sharma](https://www.evoendo.com/resources/author/ridhima-sharma) | Feb 5, 2024 10:21:00 PM

[View full post](https://www.evoendo.com/resources/proof-of-concept-functional-endoscopic-esophageal-evaluation-of-swallowing-feees-using-unsedated-transnasal-endoscopygood)

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