Esophageal disorders and treatment
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Overview of Esophageal Disorders: Types and Symptoms
Esophageal disorders include a wide range of conditions such as gastroesophageal reflux disease (GERD), eosinophilic esophagitis (EoE), esophageal motility disorders (like achalasia, diffuse esophageal spasm, and jackhammer esophagus), functional esophageal disorders, and esophageal cancers. These disorders can cause symptoms like heartburn, chest pain, dysphagia (difficulty swallowing), regurgitation, and globus sensation (feeling of a lump in the throat) 1356+3 MORE.
GERD and Regurgitation: Diagnosis and Treatment Options
GERD is commonly treated with proton pump inhibitors (PPIs), but some patients with regurgitation do not respond well to acid suppression alone. In these cases, surgical or endoscopic treatments may be considered, especially when the problem is due to incompetence of the esophagogastric junction or increased transient lower esophageal sphincter relaxations (TLESRs) 12. Diagnostic tests like high-resolution manometry help distinguish between different causes of regurgitation and guide therapy, which may include lifestyle changes or behavioral modifications for conditions like supragastric belching .
Eosinophilic Esophagitis (EoE): Current and Emerging Therapies
EoE is a chronic, immune-mediated disease characterized by esophageal eosinophilia and symptoms such as chest pain and dysphagia. Diagnosis relies on endoscopy and esophageal biopsies. First-line treatment is often PPIs, with up to 50% of patients responding regardless of GERD evidence. If PPIs are ineffective, topical corticosteroids or elimination diets are recommended. Endoscopic dilation may be used for strictures. New therapies, including advanced corticosteroids and biologics targeting type 2 inflammation, are being developed to provide more tailored and less burdensome options 67.
Esophageal Motility Disorders: Achalasia, Spasms, and Treatment Advances
Primary esophageal motility disorders include achalasia, diffuse esophageal spasm, and hypercontractile (jackhammer) esophagus. Medical treatments such as anticholinergics, nitrates, and calcium channel blockers can reduce esophageal contractility, but their clinical benefit is often limited. Pneumatic balloon dilation and botulinum toxin injections are more effective for achalasia. Per-oral endoscopic myotomy (POEM) has emerged as a highly effective and safe treatment for spastic esophageal disorders, with high clinical success rates, especially for type III achalasia and diffuse esophageal spasm 1349.
Functional Esophageal Disorders: Diagnosis and Management
Functional esophageal disorders are diagnosed when typical symptoms are present without structural, histopathological, or major motor abnormalities. The underlying mechanisms are not fully understood but may involve sensory and motor dysfunction, visceral hypersensitivity, and hypervigilance. Treatments that target central symptom perception, such as centrally acting drugs (benzodiazepines or antidepressants), may provide some benefit, especially when local causes have been excluded. However, outcome data for these approaches are limited, and further research is needed 58.
Esophageal Cancer: Management Strategies
Early-stage esophageal cancer is primarily treated with surgery, while locally advanced disease often requires perioperative chemotherapy or chemoradiotherapy. Squamous cell cancers may be managed with chemoradiotherapy alone in some cases. Targeted therapies, such as those inhibiting HER2 or vascular endothelial growth factor, can improve outcomes in certain patients. Endoscopic resection and radiofrequency ablation are standard for early adenocarcinoma, while minimally invasive and robot-assisted surgeries are options for upper esophageal cancers 110.
Conclusion
Esophageal disorders encompass a broad spectrum of diseases, each requiring specific diagnostic and therapeutic approaches. Advances in pharmacologic, endoscopic, and surgical treatments have improved outcomes for many patients, but challenges remain, especially in functional and motility disorders. Ongoing research and emerging therapies continue to refine and personalize treatment strategies for these complex conditions 1234+6 MORE.
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Most relevant research papers on this topic
Regurgitation, eructation, and supragastric belch: retrograde esophageal motility, disorders, and treatment
Retrograde flow into the esophagus can be normal, but diagnostic testing can guide appropriate intervention for gastroesophageal reflux disease, GERD, and other esophageal disorders.
Esophageal pharmacology and treatment of primary motility disorders.
Medical treatment of primary esophageal motility disorders is limited and has poor clinical results, with botulinum toxin for achalasia being the exception.
DOI
Eosinophilic esophagitis: Update in diagnosis and management. Position paper by the Italian Society of Gastroenterology and Gastrointestinal Endoscopy (SIGE).
Eosinophilic esophagitis is a chronic immune-mediated disease of the esophagus, with proton pump inhibitors as first-line therapy and topical corticosteroids or elimination diet as alternative treatments.
DOI