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Peroral endoscopic myotomy for Jackhammer esophagus: to cut or not to cut the lower esophageal sphincter.

ABSTRACT: With the success of peroral endoscopic myotomy (POEM) in treatment of achalasia, its successful application to other spastic esophageal motility disorders such as Jackhammer esophagus has been noted. The question of whether the lower esophageal sphincter (LES) should be included in the myotomy for Jackhammer esophagus is a topic of current debate. Here, we report our experience and results with four patients with Jackhammer esophagus treated with POEM. The clinical and manometric results are presented and their potential implications are discussed.Between January 2014 and July 2015, four patients underwent POEM for treatment of Jackhammer esophagus at our center. Manometry was performed prior to and after POEM. All patients met the Chicago classification criteria for Jackhammer esophagus and received a barium esophagram and endoscopic examination before having POEM.All patients had uneventful procedures without any intraoperative or post-procedure complications. Patients in which the LES was included during POEM had resolution or significant improvement in symptoms. One patient in whom the LES was preserved had resolution of chest pain but developed significant dysphagia and regurgitation. Subsequently this individual received a repeat POEM which included the LES, resulting in symptom resolution.POEM is a suitable treatment for patients with Jackhammer esophagus. Until there are larger-scale randomized studies, we speculate that based on our clinical experience and physiologic and manometric observations, obligatory inclusion of the LES is justified to reduce the risk of symptom development from iatrogenic ineffective esophageal motility or subsequent progression to achalasia.

SUBMITTER: Bechara R

PROVIDER: S-EPMC4892003 | biostudies-other | 2016 May

REPOSITORIES: biostudies-other

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Myotomy of Distal Esophagus Influences Proximal Esophageal Contraction and Upper Esophageal Sphincter Relaxation in Patients with Achalasia After Peroral Endoscopic Myotomy.

Project description:Background/aimsThe motility change after peroral endoscopic myotomy (POEM) in achalasia is currently focused on lower esophageal sphincter (LES). This study aims to investigate the correlation of motility response between distal and proximal esophagus after POEM.MethodsA total of 32 achalasia patients who received POEM and high-resolution manometry (HRM) were included for analysis. Eckardt score was used to assess symptom improvement. HRM was applied for studying motility. Main parameters analyzed were (1) LES: resting pressure (restP), 4-second integrated relaxation pressure; (2) esophageal body (EB): contractile integral of distal segment with myotomy (CI-DM) and proximal segment without myotomy (CI-PNM); and (3) upper esophageal sphincter (UES): relaxation pressure (UES-RP).ResultsThere were 6 type I, 17 type II, and 9 type III achalasia patients included for analysis. (1) Eckardt score, LES tone, CI-DM, CI-PNM and UES-RP were reduced remarkably after POEM (P< 0.001). (2) no significant correlation was noted between LES tone and contractile intergral of EB. (3) a positive linear correlation of CI-DM and CI-PNM changes was detected (P< 0.001). (4) the change of UES-RP was positively correlated with the change of contractile integral of EB (P< 0.001).ConclusionsMyotomy of the distal esophagus would attenuate proximal EB contraction and assist UES relaxation in achalasia patients after POEM.

| S-EPMC4699724 | biostudies-literature

Peroral endoscopic myotomy with diverticulotomy using a double tunnel technique: finding your way to an elusive lower esophageal sphincter in spastic achalasia and epiphrenic diverticulum.

Project description: Not available

| S-EPMC11368670 | biostudies-literature

Peroral Endoscopic Myotomy for Esophageal Achalasia by HybridKnife: A Case Report.

Project description:This paper presented a case of esophageal achalasia treated by peroral endoscopic myotomy with HybridKnife and discuss the feasibility and the possible advantages of using it.

| S-EPMC3415097 | biostudies-literature

Esophageal Motility Patterns After Peroral Endoscopic Myotomy in Patients With Achalasia.

Project description:Background/aimsSeveral studies have reported partial recovery of peristalsis in patients with achalasia after myotomy. The aim of our study is to analyze esophageal motility patterns after peroral endoscopic myotomy (POEM) and to assess the potential predictors and clinical impact of peristaltic recovery.MethodsWe performed a retrospective analysis of prospectively collected data of consecutive patients with achalasia undergoing POEM at a tertiary center. High-resolution manometry (HRM) studies prior to and after POEM were reviewed and the Chicago classification was applied.ResultsA total of 237 patients were analyzed. The initial HRM diagnoses were achalasia type I, 42 (17.7%); type II, 173 (73.0%); and type III, 22 (9.3%). Before POEM, peristaltic fragments were present in 23 (9.7%) patients. After POEM the Chicago classification diagnoses were: 112 absent contractility, 42 type I achalasia, 15 type II, 11 type III, 26 ineffective esophageal motility, 18 esophagogastric junction outflow obstruction, 10 fragmented peristalsis, and 3 distal esophageal spasm. Altogether 68 patients (28.7%) had signs of contractile activity, but the contractions newly appeared in 47 patients (47/214, 22.0%). Type II achalasia showed a trend for appearance of contractions (P = 0.097). Logistic regression analysis did not identify any predictors of peristaltic recovery. The post-POEM Eckardt score did not differ between patients with and without contractions nor did the parameters of timed barium esophagogram.ConclusionsMore than 20% of achalasia patients have signs of partial recovery of esophageal peristalsis after POEM. It occurs predominantly in type II achalasia but the clinical relevance seems to be negligible.

| S-EPMC8026367 | biostudies-literature

Peroral endoscopic myotomy for a residual Zenker's diverticulum following endoscopic myotomy.

Project description:Video 1Peroral endoscopic myotomy for a residual Zenker's diverticulum following endoscopic myotomy.

| S-EPMC8755520 | biostudies-literature

Role of Peroral Endoscopic Myotomy (POEM) in the Management of Esophageal Diverticula.

Project description:Esophageal diverticula are uncommon; however, when present, they can cause symptoms of dysphagia, regurgitation, and chest pain. Based on location and pathophysiological characteristics, they are classified as pulsion- and traction-type diverticula. In the past, the open surgical approach was the only treatment available; however, in the past few decades, transoral incisionless approaches in the form of rigid and flexible endoscopy have gained popularity. Diverticular peroral endoscopic myotomy has emerged as an alternative treatment option. In this paper, we reviewed the role of peroral endoscopic myotomy as a treatment option for different types of esophageal diverticula. Although a safe and effective procedure, this novel submucosal tunneling technique for the treatment of esophageal diverticula requires further validation, and head-to-head comparisons between the different approaches for the treatment of esophageal diverticula are warranted.

| S-EPMC7719426 | biostudies-literature

Peroral endoscopic myotomy for a pediatric case of suspected congenital esophageal stenosis.

Project description:Video 1Peroral endoscopic myotomy for a pediatric case of suspected congenital esophageal stenosis.

| S-EPMC10751455 | biostudies-literature

Peroral endoscopic myotomy with diverticulum resection.

Project description: Not available

| S-EPMC7652700 | biostudies-literature

Peroral endoscopic myotomy for cricopharyngeal bar.

Project description:Background and aimsDefinitive treatment options for refractory dysphagia due to cricopharyngeal bar are limited. We aimed to demonstrate a novel adaptation of peroral endoscopic myotomy to treat this condition (cricopharyngeal peroral endoscopic myotomy [c-POEM]).MethodsThe approach to c-POEM is similar to that in the distal esophagus for the treatment of achalasia. A submucosal injection and overlying mucosal incision are performed, ideally 1.5 to 2 cm upstream of the upper esophageal sphincter, and then a submucosal tunnel is extended beyond the level of the cricopharyngeus. The target muscle is then transected before closure of the mucosotomy.ResultsIn 3 cases of refractory cricopharyngeal bar, c-POEM was successfully performed. Although no major adverse events occurred, significant postprocedural edema at the level of the upper esophageal sphincter prolonged hospitalization in 2 of the 3 patients. After recovery, all patients reported complete resolution of dysphagia and tolerated an unrestricted diet.ConclusionsC-POEM allows reliable and complete muscular division in patients with refractory cricopharyngeal bar who have limited treatment options.

| S-EPMC7426955 | biostudies-literature

Diagnosis of congenital esophageal stenosis in adults and treatment with peroral endoscopic myotomy.

Project description:BackgroundCongenital esophageal stenosis (CES) in adults is a rare disorder that can present as achalasia, particularly in the distal esophagus. We describe the salient features of CES in adults and identify the feasibility and short-term outcomes of peroral endoscopic myotomy (POEM) for CES.MethodsIn this retrospective, single-center case series, we included 6 patients with a "misdiagnosis" of achalasia established elsewhere, ultimately diagnosed with CES and referred to our institution for POEM. Symptom improvement (clinical success rate), defined as an Eckardt Symptom Score (ESS) of <3 at 2-month follow up was assessed.ResultsSix patients (median age: 40 [range: 18-58] years; 4 males) were included. A long-standing history of dysphagia, ring-shaped stenosis on endoscopic examination, "lopsided hourglass" sign on barium esophagogram, and high-resolution manometry findings indicated by a compartmentalized intrabolus pressure pattern with distinction between the stenotic area and the lower esophageal sphincter were the salient features identified. POEM could not be completed in the first 2 cases due to technical challenges. All subsequent 4 patients who underwent successful POEM, exhibited improved ESS of ≤3 (clinical success rate 100%) at 2 months post-POEM.ConclusionsAlong with identification of salient features on several diagnostic modalities, a differential diagnosis of CES in adults must be considered in patients presenting with long-standing history of dysphagia arising from childhood and persisting into adulthood. Although favorable short-term outcomes of POEM were achieved, further evaluation is still warranted, and an inexperienced operator should not attempt POEM on CES patients due to its technical difficulties.

| S-EPMC8276369 | biostudies-literature

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