Browsing by Author "Richter, Joel E."

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    Esophageal motility disorders on high-resolution manometry: Chicago classification version 4.0
    (2021) Yadlapati, Rena; Kahrilas, Peter J.; Fox, Mark R.; Bredenoord, Albert J.; Gyawali, C. Prakash; Roman, Sabine; Babaei, Arash; Mittal, Ravinder K.; Rommel, Nathalie; Savarino, Edoardo; Sifrim, Daniel; Smout, André; Vaezi, Michael F.; Zerbib, Frank; Akiyama, Junichi; Bhatia, Shobna; Bor, Serhat; Carlson, Dustin A.; Chen, Joan W.; Cisternas, Daniel; Cock, Charles; Coss-Adame, Enrique; Bortoli, Nicola de; Defilippi, Claudia; Fass, Ronnie; Ghoshal, Uday C.; Gonlachanvit, Sutep; Hani, Albis; Hebbard, Geoffrey S.; Jung, Kee Wook; Katz, Philip; Katzka, David A.; Khan, Abraham; Kohn, Geoffrey Paul; Lazarescu, Adriana; Lengliner, Johannes; Mittal, Sumeet K.; Omari, Taher; Park, Moo I.; Penagini, Roberto; Pohl, Daniel; Richter, Joel E.; Serra, Jordi; Sweis, Rami; Tack, Jan; Tatum, Roger P.; Tutuian, Radu; Vela, Marcelo F.; Wong, Reuben K.; Wu, Justin C.; Xiao, Yinglian; Pandolfino, John E.
    Chicago Classification v4.0 (CCv4.0) is the updated classification scheme for esopha-geal motility disorders using metrics from high-resolution manometry (HRM). Fifty-two diverse international experts separated into seven working subgroups utilized formal validated methodologies over two-years to develop CCv4.0. Key updates in CCv.4.0 consist of a more rigorous and expansive HRM protocol that incorporates supine and upright test positions as well as provocative testing, a refined definition of esophagogastric junction (EGJ) outflow obstruction (EGJOO), more stringent diag-nostic criteria for ineffective esophageal motility and description of baseline EGJ met-rics. Further, the CCv4.0 sought to define motility disorder diagnoses as conclusive and inconclusive based on associated symptoms, and findings on provocative testing as well as supportive testing with barium esophagram with tablet and/or functional lumen imaging probe. These changes attempt to minimize ambiguity in prior iterations of Chicago Classification and provide more standardized and rigorous criteria for pat-terns of disorders of peristalsis and obstruction at the EGJ

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