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Endoscopic suturing for repair of an obstructing Zenker's diverticulum using a bidirectional endoscopic approach for lumen delineation.

ABSTRACT: Video 1Endoscopic suturing of an obstructing Zenker's diverticulum.

SUBMITTER: Melitas C

PROVIDER: S-EPMC9263871 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Novel technique for flexible endoscopic repair of Zenker's diverticulum.

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Peroral Endoscopic Myotomy in the Management of Zenker's Diverticulum: A Retrospective Multicenter Study.

Project description:BackgroundPeroral endoscopic myotomy (POEM) is an emerging technique in the treatment of Zenker's diverticulum (ZD). This study aimed to analyze the feasibility of Zenker's POEM (Z-POEM) in a multicenter setting and assess its performance using a validated Kothari-Haber Scoring System newly developed for symptom measurement in ZD.Materials and methodsThis was a multicenter retrospective study involving three Polish tertiary referral endoscopic units. The data of consecutive patients with symptomatic ZD treated with Z-POEM in Poland between May 2019 and August 2020 were retrieved and analyzed. Primary outcome measures were technical success and clinical success rate (<3 points in Kothari-Haber Score at 2-3 months follow-up). Secondary outcome measures included procedures' duration, length of hospital stay, and adverse events.Results22 patients with symptomatic ZD were included. The mean age was 67.6 (±10.7) years, and 14 (63.6%) were male. All but two patients were treatment naïve. The average size of the ZD was 30 mm (IQR, 24-40 mm). Technical success was achieved in all patients (100%), whereas clinical success was 90.9%. The average Kothari-Haber Score was 6.35 before treatment and has dropped to 0.65 after the treatment (p < 0.0001). The mean procedure time was 48.8 (±19.3) minutes, and the median length of hospital stay was 2 days (IQR, 2-3). Three patients (13.6%) had post-procedural emphysema, of which two were mild and self-resolving (9.1%), and one was moderate (4.5%) and complicated with laryngeal edema and prolonged intubation.ConclusionsThis feasibility study suggests that Z-POEM is a highly effective and safe treatment for ZD, particularly among treatment-naïve patients. Comparative studies with other treatment modalities over longer follow-up are warranted.

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New-Onset Myasthenia Gravis Mimics Spinal Cord Injury After Zenker's Diverticulum Repair.

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Zenker's diverticulum: advancing beyond the tunnel.

Project description:Background and aimsZenker's diverticulum (ZD) is attributed to a poorly compliant cricopharyngeus muscle, and the mainstay of treatment is a cricopharyngeal myotomy. We present a video series summarizing endoscopic treatment options for ZD and related conditions.MethodsWe review the rationale and key technique for various endoscopic treatment modalities for ZD, cricopharyngeal bar, and other esophageal diverticula.ResultsStandard flexible endoscopic cricopharyngeal myotomy involves the division of the common wall or septum of the ZD, aiming for complete transection of the cricopharyngeus. However, recurrence rates are high, likely owing to incomplete myotomy. Zenker's peroral endoscopic myotomy (Z-POEM) uses a proximal submucosal tunnel to provide direct visualization of the cricopharyngeus and septum, allowing confirmation of complete myotomy. We demonstrate an over-the-septum modification to simplify the technique. Submucosal fibrosis, commonly seen in patients with prior treatment, limits submucosal dissection. We present a hybrid technique to overcome this, whereby a traditional septotomy is performed until submucosal tissue is visualized. The intact mucosal flap after Z-POEM in a large ZD may contribute to residual dysphagia. We propose Z-POEM with mucosotomy for large ZD. Finally, we demonstrate modifications for treatment of other esophageal diseases, including cricopharyngeal bar and non-Zenker's esophageal diverticula.ConclusionEndoscopic treatment options for ZD and related conditions are rapidly expanding. With careful tailoring to individual patient characteristics, our expanding arsenal of options allows effective and safe treatment of a broad spectrum of patients.

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