Related Experiment Video
Updated: Feb 21, 2026

Robotic Myotomy and Partial Fundoplication for Achalasia
Published on: August 11, 2023
LATE EVALUATION OF DYSPHAGIA AFTER HELLER ESOPHAGEAL MYOTOMY WITH DOR FUNDOPLICATION FOR ACHALASIA
Eduardo Rodrigues Zarco Câmara1, Fernando Athayde Veloso Madureira1, Delta Madureira2
1General Surgery, Gaffrée and Guinle University Hospital, Federal University of the State of Rio de Janeiro.
Achalasia surgery significantly improves swallowing difficulties and quality of life. A greater than 60% reduction in lower esophageal sphincter pressure post-surgery predicts a successful outcome for patients.
Area of Science:
- Gastroenterology
- Surgical Innovation
- Patient Outcomes
Background:
- Current achalasia treatments are palliative, focusing on reducing lower esophageal sphincter (LES) pressure.
- Achalasia management aims to alleviate dysphagia by addressing LES flow resistance.
Purpose of the Study:
- To identify prognostic factors for dysphagia improvement after achalasia surgery.
- To evaluate the impact of surgical treatment on patients' quality of life.
- To compare outcomes at different postoperative time points.
Main Methods:
- Retrospective study of 84 achalasia patients undergoing surgery (2001-2014).
- Heller-Dor laparoscopic myotomy was performed in all cases.
- Dysphagia scores and LES pressure were assessed preoperatively, immediately postoperatively, and in late follow-up.
Main Results:
- Laparoscopic Heller-Dor myotomy led to significant LES pressure reduction.
- A >60% LES pressure decrease correlated with surgical success.
- Dysphagia scores improved by 81.17% immediately after surgery, indicating enhanced quality of life.
Conclusions:
- Achieving >60% LES pressure reduction is a key predictor of positive surgical outcomes in achalasia.
- Surgical intervention effectively improves quality of life and reduces dysphagia long-term.
- Heller-Dor myotomy is a successful surgical approach for managing achalasia.
Related Concept Videos
Barrett Esophagus-II: Clinical Manifestations and Management
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
Esophageal Strictures-II: Clinical Features and Management
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Gastroesophageal Reflux Disease II: Clinical Features and Management
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Endoscopic Procedures I: Esophagogastroduodenoscopy
During an EGD, the endoscope can be used to:
Esophageal Varices-II: Clinical Features and Management
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
Esophageal Strictures-I: Introduction
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...

