Esophagogastric junction distensibility measurements during hydraulic dilation therapy in achalasia patients

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Title:	Esophagogastric junction distensibility measurements during hydraulic dilation therapy in achalasia patients
Author(s):	Kappelle, W.F.; Bogte, A.; Siersema, P.D.
Publication year:	2016
Source:	Expert Review of Medical Devices, vol. 13, iss. 2, (2016), pp. 123-128
ISSN:	1743-4440
DOI:	https://doi.org/10.1586/17434440.2016.1133284
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/172489
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Subject:	Radboudumc 14: Tumours of the digestive tract RIHS: Radboud Institute for Health Sciences
Organization:	Gastroenterology
Journal title:	Expert Review of Medical Devices
Volume:	vol. 13
Issue:	iss. 2
Page start:	p. 123
Page end:	p. 128
Abstract:	Increasing evidence suggests that esophagogastric junction (EGJ) distensibility is predictive of long-term clinical success after achalasia treatment. A new commercially available hydraulic dilation balloon is capable of measuring EGJ opening diameters whilst simultaneously dilating the EGJ. Deployed alongside the endoscope under direct visualization, it is used for dilation of the lower esophageal sphincter in patients with achalasia. Impedance measurement electrodes are incorporated in the catheter shaft in the dilation balloon, which allows measuring the diameter of the EGJ and displaying it in real time before, during and after dilation. This obviates the need for fluoroscopy during the dilation procedure. The extent of recoil of the EGJ after dilation potentially provides a measurement that could be incorporated into a clinical rule for predicting therapeutic success after dilation.