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This article discusses a study that compares the effectiveness of barium esophagram (BE) and high-resolution manometry (HRM) in detecting residual peristalsis and correlating with patient-reported dysphagia. The study suggests that BE may be more accurate in detecting residual peristalsis and correlating with patient-reported dysphagia compared to HRM. The study has some limitations, including a small sample size and retrospective design, but the authors recommend further studies with larger sample sizes to validate the findings. The authors declare no competing interests. [Extracted from the article]

Keywords: Chicago classification; High-resolution manometry; Esophageal motility disorders; Achalasia; Water-perfused catheter; Patient position EN Chicago classification High-resolution manometry Esophageal motility disorders Achalasia Water-perfused catheter Patient position 1084 1086 3 05/11/22 20220501 NES 220501 Introduction Chicago classification guides esophageal motility disorder classification.[1] The most recent version 4.0 (CC4)[2] also brings technical details on the performance of the test.[3] Supportive measures, including change in position from supine to upright, were incorporated.[4] Change in position does not affect pressure measurement by solid-state catheters. 1) and an in vivo test in a patient (female, 42 years old, complaining of dysphagia) with esophagogastric outflow obstruction (integrated relaxation pressure 21.8 mmHg) following the same protocol and also changing catheter location inside the patient (Fig. High-resolution manometry, Achalasia, Water-perfused catheter, Chicago classification, Esophageal motility disorders, Patient position. [Extracted from the article]

Introduction: There are only few studies about the outcomes of peroral endoscopic myotomy (POEM) for type III achalasia in a relatively large population to date. The purpose of this study was to explore the long-term efficacy of POEM for patients with type III achalasia.Methods: There were a total of 32 consecutive patients with type III achalasia undergoing POEM in our hospital from July 2012 to October 2014. Clinical date of general characteristics, procedure-related parameters and adverse events, symptom relief, and the high-resolution manometry outcomes before and during the periodic follow-up were retrospectively collected and analyzed.Results: All of the 32 patients underwent POEM successfully with a median operation time of 34.9 min (range 17.9-88.6 min). No serious complications related to POEM were encountered. Treatment success was achieved in 90.6% cases during a median follow-up period of 27.0 months (range 24-51 months). The mean pretreatment and post-treatment Eckardt scores were 7.2 and 1.4, respectively (P < 0.001), and mean LES pressure also decreased from a mean of 39.2 to 19.0 mmHg after the procedure (P < 0.001). Both of the gas-related complication and clinical reflux complication rates were 18.8%.Conclusion: Our results confirm that POEM for type III achalasia of Chicago Classification is effective with a long-term symptom relief in 90.6% cases. But a further, prospective study is needed to evaluate whether POEM outcome could be correlated with manometric subtypes according to Chicago Classification. [ABSTRACT FROM AUTHOR]