Chicago Classification update (v4.0): Technical review of high‐resolution manometry metrics for EGJ barrier function

Author(s):  
Peter J. Kahrilas ◽  
Ravinder K. Mittal ◽  
Serhat Bor ◽  
Geoffrey P. Kohn ◽  
Johannes Lenglinger ◽  
...  



Author(s):  
Rena Yadlapati ◽  
Peter J. Kahrilas

Chicago Classification version 4.0 (CC v4.0), published in 2021, presents several modifications largely aimed at minimizing over-diagnosis of inconclusive patterns on high-resolution manometry (HRM). These include: (1) introduction of a standardized HRM protocol for consistency among centers, (2) emphasis on the need for supportive data in instances of inconclusive manometric patterns, (3) required presence of relevant symptoms in certain instances to reduce over-diagnosis and inappropriate interventions, and (4) classification as disorders of EGJ outflow or disorders of peristalsis. These updates aim to improve the clinical application of HRM and patient outcomes.



2013 ◽  
Vol 144 (5) ◽  
pp. S-261-S-262
Author(s):  
Kunjal Gandhi ◽  
Elizabeth S. Rosenblatt ◽  
Sameer Dhalla ◽  
Victor Chedid ◽  
Ellen M. Stein ◽  
...  




2021 ◽  
Vol 51 (2) ◽  
Author(s):  
Claudia Córdoba ◽  
Agustina Rodil ◽  
Daniel Cisternas

The Chicago Classification includes esophageal motor disorders diagnosed by high-resolution manometry. Of the manometric patterns, some are always clinically relevant and require treatment (eg, the achalasia), while others may be incidental findings requiring no intervention in which aggressive management would be counterproductive. One of the goals of the new version of the recently published Chicago Classification (CCv4.0) was to distinguish between clinically relevant and non-clinically relevant disorders. With this in mind, the study protocol was modified to include liquid swallows in the supine and sitting positions and provocation tests were standardized. Diagnostic criteria were modified, incorporating the presence of symptoms and the support of complementary studies other than manometry. In this review, we will comment the diagnosis and treatment of esophagogastric junction outlet obstruction and hypomotility disorders based on CCv4.0.



2020 ◽  
Vol 50 (1) ◽  
Author(s):  
Erick Toro-Monjaraz ◽  
Rubén Peña-Vélez ◽  
María José Carrillo-Quan ◽  
David Avelar-Rodríguez ◽  
Martha Cecilia Martínez-Soto ◽  
...  

Esophageal achalasia is a primary motor disorder that presents with dysphagia secondary to esophageal body dysfunction and functional obstruction of the lower esophageal sphincter. High-resolution manometry is considered the gold standard for the diagnosis of achalasia and, according to the Chicago classification v3.0; it can be further divided into three different subtypes based on the pressurization patterns. Herein, we present the case series of 6 pediatric patients in whom high-resolution manometry was performed for the diagnosis and classification of esophageal achalasia.



2013 ◽  
Vol 144 (5) ◽  
pp. S-500
Author(s):  
Hiroko Hosaka ◽  
Akiyo Kawada ◽  
Shiko Kuribayashi ◽  
Yasuyuki Shimoyama ◽  
Masaki Maeda ◽  
...  


2013 ◽  
Vol 144 (5) ◽  
pp. S-501
Author(s):  
Tae Hee Lee ◽  
Joon Seong Lee ◽  
Su Jin Hong ◽  
Seong Ran Jeon ◽  
Wan Jung Kim ◽  
...  


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