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Dysphagia Outcomes in Zenker Diverticulum: A Longitudinal POuCH Study
Ari D Schuman1, Mallory McKeon2, Jacqui Allen3
1Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA.
The Laryngoscope
|August 19, 2025
Summary
Surgery for cricopharyngeal muscle dysfunction (CPMD) significantly improves dysphagia. Outcomes remain stable long-term, with most patients experiencing lasting relief and survival after surgical intervention.
Area of Science:
- Otolaryngology
- Gastroenterology
- Surgical Outcomes
Background:
- Cricopharyngeal muscle dysfunction (CPMD) causes long-term dysphagia.
- Surgical intervention is effective, but long-term outcome data is limited.
Purpose of the Study:
- To evaluate long-term dysphagia outcomes after surgery for CPMD.
- To assess the stability of surgical results over time.
Main Methods:
- Prospective enrollment in the POuCH collaborative.
- Included patients with CPMD (with or without diverticula) who underwent surgery.
- Utilized Eating Assessment Tool 10 (EAT10) for patient-reported outcomes.
- Descriptive statistics analyzed outcomes at multiple follow-up intervals.
Main Results:
- 160 patients were included in the analysis.
- Postoperative EAT-10 scores improved, indicating reduced dysphagia.
- Improvements were largely stable, with minimal decline observed after 36 months.
- 96.3% of patients survived at least one year.
Conclusions:
- Surgical treatment for CPMD offers effective and reliable dysphagia relief.
- Dysphagia improvement after surgery is stable over extended periods.
- Surgery is a viable option for patients with CPMD, with or without diverticula.
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