Esophageal Achalasia
Conditions
Keywords
Peroral endoscopic myotomy, Esophageal Achalasia
Brief summary
Achalasia is a rare esophageal motility disorder, which is characterized clinically by symptoms of dysphagia, regurgitation, weight loss and chest pain. These symptoms are primarily caused by incomplete relaxation of a frequently hypertensive lower esophageal sphincter (LES) and to some extent by a lack of peristalsis in the tubular esophagus. Unfortunately, no therapy returns normal esophageal function. Treatment is therefore directed at lowering the LES pressure, with the aim of reducing the functional obstruction to bolus transit at this site. Current treatments can be endoscopic or surgical. Peroral endoscopic myotomy (POEM) has recently been described as a new minimally invasive endoscopic myotomy technique intending a permanent cure from primary achalasia in some centers. The investigators purpose was to further evaluate the efficacy and the feasibility of POEM for patients with achalasia in a prospective larger study.
Detailed description
1. Patients were eligible for enrollment in the study if they had an Eckardt symptom score ≥ 4. The diagnosis of achalasia was made on the basis of the absence of peristalsis and on impaired relaxation of the LES on established methods (barium swallow, manometry, esophagogastroduodenoscopy (EGD)). Exclusion criteria were severe cardiopulmonary disease or other serious disease leading to unacceptable surgical risk, pseudoachalasia, and megaesophagus (diameter of \> 7 cm). 2. All patients were scheduled for a follow-up visit at 1 month after POEM for EGD and manometry. Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires. 3. The primary outcome of the study was therapeutic success (a reduction in the Eckardt score to ≤3) at the follow-up assessment. The secondary outcomes included procedure-related adverse events, LES pressure on manometry pre- and post POEM, reflux symptoms and medication use before and after POEM, and procedure-related parameters such as procedure time, hospital stay, and myotomy length.
Interventions
PROCEDUREPOEM
Peroral endoscopic myotomy (POEM) has recently been described as a new minimally invasive endoscopic myotomy technique intending a permanent cure from primary achalasia in some centers.
Sponsors
Shanghai Zhongshan Hospital
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
6 Years to 90 Years
Healthy volunteers
No
Inclusion criteria
* with an Eckardt symptom score ≥ 4 * The diagnosis of achalasia was made on the basis of the absence of peristalsis and on impaired relaxation of the LES on established methods (barium swallow, manometry, esophagogastroduodenoscopy) * Informed patient consent was obtained
Exclusion criteria
* Severe cardiopulmonary disease or other serious disease leading to unacceptable surgical risk * Pseudoachalasia * megaesophagus (diameter of \> 7 cm)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Therapeutic success (a reduction in the Eckardt score to ≤3) | Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires during follow-up, an expected average of 2 years. |
Secondary
| Measure | Time frame |
|---|---|
| Procedure-related adverse events | All patients were scheduled for a follow-up visit at 1 month after POEM for EGD. |
| Lower esophageal sphincter (LES) pressure on manometry | All patients were scheduled for a follow-up visit at 1 month after POEM for EGD and manometry |
| Reflux symptoms and medication use before and after POEM | Symptoms were assessed 1 month after treatment in the clinic and every 3 months thereafter via telephone questionnaires during follow-up, an expected average of 2 years. |
Countries
China
Contacts
Primary ContactPing-Hong Zhou, MD,PhD
Outcome results
None listed