Saudi Journal of Gastroenterology
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Year : 2015  |  Volume : 21  |  Issue : 3  |  Page : 152-157

Clinical, Endoscopic, and Radiologic Features of Three Subtypes of Achalasia, Classified Using High-Resolution Manometry

Section of Gastroenterology, Department of Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia

Correspondence Address:
Mohammed Q Khan
Section of Gastroenterology, Department of Medicine (MBC 46), KFSH and RC, P.O.Box 3354, Riyadh - 11211
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-3767.157560

Clinical trial registration Research Advisory Council No: 2111113

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Background/Aims: High-resolution manometry (HRM) has improved the accuracy of manometry in detecting achalasia and determining its subtypes. However, the correlation of achalasia subtypes with clinical, endoscopic, and radiologic findings has not been assessed. We aimed to evaluate and compare the clinical, endoscopic, and fluoroscopy findings associated with three subtypes of achalasia using HRM. Patients and Methods: The retrospective clinical data, HRM, endoscopy, and radiologic findings were obtained from the medical records of untreated achalasia patients. Results: From 2011 to 2013, 374 patients underwent HRM. Fifty-two patients (14%) were diagnosed with achalasia, but only 32 (8.5%) of these patients had not received treatment and were therefore included in this study. The endoscopy results were normal in 28% of the patients, and a barium swallow was inconclusive in 31% of the achalasia patients. Ten patients (31%) were classified as having type I achalasia, 17 (53%) were classified as type II, and 5 (16%) were classified as type III. Among the three subtypes, type I patients were on average the youngest and had the longest history of dysphagia, mildest chest pain, most significant weight loss, and most dilated esophagus with residual food. Chest pain was most common in type III patients, and frequently had normal fluoroscopic and endoscopic results. Conclusion: The clinical, radiologic, and endoscopic findings were not significantly different between patients with type I and type II untreated achalasia. Type III patients had the most severe symptoms and were the most difficult to diagnose based on varied clinical, radiologic, and endoscopic findings.

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