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Updated: Dec 20, 2025

Robotic Myotomy and Partial Fundoplication for Achalasia
Published on: August 11, 2023
Pseudoachalasia Following Nissen Fundoplication
Joshua W Harbaugh1, Steven B Clayton2
1Department of Internal Medicine, Wake Forest University Baptist Medical Center, Winston Salem, NC.
Pseudoachalasia, often caused by malignancy, can mimic achalasia. This unique case shows its progression after Nissen fundoplication, emphasizing thorough diagnosis for esophageal motility disorders.
Area of Science:
- Gastroenterology
- Esophageal Motility Disorders
- Surgical Complications
Background:
- Pseudoachalasia is a secondary condition mimicking achalasia, frequently linked to malignancy.
- It can rarely develop after esophageal or gastroesophageal junction surgeries.
Observation:
- This report details a rare instance of pseudoachalasia following Nissen fundoplication.
- The case uniquely documents the complete manometric evolution from normal function to pseudoachalasia in one patient.
Findings:
- High-resolution manometry revealed a progressive transition to pseudoachalasia after surgery.
- The manometric findings illustrate an evolutionary phase of this secondary esophageal motility disorder.
Implications:
- Highlights the necessity of comprehensive diagnostic evaluation in patients presenting with achalasia-like symptoms.
- Expands the understanding of pseudoachalasia development and its manometric characteristics post-Nissen fundoplication.
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