• Jutta Keller.
• Dtsch. Med. Wochenschr. 2023 Sep 1; 148 (18): 118712001187-1200.

AbstractEsophageal motor disorders are an important cause of dysphagia but can also be associated with retrosternal pain and heartburn as well as regurgitation. In extreme cases, patients are not able to eat appropriately and lose weight. Repetitive aspiration can occur and may cause pulmonological complications. Achalasia represents the most important and best-defined esophageal motor disorder and is characterized by insufficient relaxation of the lower esophageal sphincter in combination with typical disturbances of esophageal peristalsis. Additional defined motor disorders are distal esophageal spasm, hypercontractile esophagus, absent contractility and ineffective peristalsis. Patients with appropriate symptoms should primarily undergo esophagogastroduodenoscopy for exclusion of e.g., tumors and esophagitis. Esophageal high-resolution manometry is the reference method for diagnosis and characterization of motor disorders in non-obstructive dysphagia. An esophagogram with barium swallow may deliver complementary information or may be used if manometry is not available. Balloon dilatation and Heller myotomy are long established and more or less equally effective therapeutic options for patients with achalasia. Peroral endoscopic myotomy (POEM) enhances the therapeutic armamentarium for achalasia and hypertensive/spastic motor disorders since 2010. For hypotensive motor disorders, which may occur as a complication of e.g., rheumatological diseases or idiopathically, therapeutic options are still limited.Thieme. All rights reserved.

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