ObjectiveAlthough gastric per-oral endoscopic myotomy (G-POEM) is considered a promising technique for the management of refractory gastroparesis, high-quality evidence is limited. We prospectively investigated the efficacy and safety of G-POEM in unselected patients with refractory gastroparesis.DesignIn five tertiary centres, patients with symptomatic gastroparesis refractory to standard medical therapy and confirmed by impaired gastric emptying were included. The primary endpoint was clinical success, defined as at least one score decrease in Gastroparesis Cardinal Symptom Index (GCSI) with ≥25% decrease in two subscales, at 12 months. GCSI Score and subscales, adverse events (AEs) and 36-Item Short Form questionnaire of quality of life were evaluated at baseline and 1, 3, 6 and 12 months after G-POEM. Gastric emptying study was performed before and 3 months after the procedure.ResultsOf 80 enrolled patients, 75 patients (94%) completed 12-month follow-up. Clinical success at 12 months was 56% (95% CI, 44.8 to 66.7). GCSI Score (including subscales) improved moderately after G-POEM (p<0.05). In a regression model, a baseline GCSI Score >2.6 (OR=3.23, p=0.04) and baseline gastric retention >20% at 4 hours (OR=3.65, p=0.03) were independent predictors of clinical success at 12 months, as was early response to G-POEM at 1 month after therapy (OR 8.75, p<0.001). Mild procedure-related AEs occurred in 5 (6%) patients.ConclusionG-POEM is a safe procedure, but showed only modest overall effectiveness in the treatment of refractory gastroparesis. Further studies are required to identify the best candidates for G-POEM; unselective use of this procedure should be discouraged.Trial registration numberClinicalTrials.gov Registry NCT02732821.
Background and Study Aims: Endoscopic ultrasound-directed transgastric ERCP (EDGE) is an alternative to enteroscopy- and laparoscopy-assisted ERCP in patients with Roux-en-Y gastric bypass anatomy. Although short-term results are promising, the long-term outcomes are not known. Aims of this study were 1) to determine rates of long-term adverse events (AEs) after EDGE, with a focus on rates of persistent gastrogastric or jejunogastric fistula; 2) identify predictors of persistent fistula; 3) assess outcomes of endoscopic closure when persistent fistula is encountered. Patients and Methods: This was a multicenter, retrospective study involving 13 centers between 1/2014 and 3/2019. AEs were defined according to ASGE lexicon. Persistent fistula was defined as upper GI series or EGD showing evidence of fistula. Results: A total of 178 patients (mean age 58 years, 79% F) underwent EDGE. Technical success was achieved in 98% of cases (175/178) with a mean procedure time of 92 min. Periprocedural AEs occurred in 28 patients (15.7%; mild 10.1%, moderate 3.3%, severe 2.2%). The 4 severe adverse events were managed laparoscopically. Persistent fistula was diagnosed in 10% of those sent for objective testing (9/90). Following identification of fistula, 5/9 patients underwent endoscopic closure procedures, which were successful in all cases. Conclusions: The EDGE procedure is associated with high clinical success rates, and an acceptable risk profile. Persistent fistula after lumen apposing stent removal are uncommon, but objective testing is recommended to identify their presence. When persistent fistula are identified, endoscopic treatment is warranted, and should be successful in closing the fistula.
Background and study aims Per-oral endoscopic myotomy (POEM) is associated with a short-term clinical response of 82 % to 100 % in treatment of patients with achalasia. Data are limited on the long-term durability of the clinical response in these patients. The aim of this study was to determine the long-term outcomes of patients undergoing POEM for management of achalasia. Methods This was a retrospective multicenter cohort study of consecutive patients who underwent POEM for management of achalasia. Patients had a minimum of 4 years follow-up. Clinical response was defined by an Eckardt score ≤ 3. Results A total of 146 patients were included from 11 academic medical centers. Mean (± SD) age was 49.8 (± 16) years and 79 (54 %) were female. The most common type of achalasia was type II, seen in 70 (47.9 %) patients, followed by type I seen in 41 (28.1 %) patients. Prior treatments included: pneumatic dilation in 29 (19.9 %), botulinum toxin injection in 13 (8.9 %) and Heller myotomy in seven patients (4.8 %). Eight adverse events occurred (6 mucosotomies, 2 pneumothorax) in eight patients (5.5 %). Median follow-up duration was 55 months (IQR 49.9–60.6). Clinical response was observed in 139 (95.2 %) patients at follow-up of ≥ 48 months. Symptomatic reflux after POEM was seen in 45 (32.1 %) patients, while 35.3 % of patients were using daily PPI at 48 months post POEM. Reflux esophagitis was noted in 16.8 % of patients who underwent endoscopy. Conclusion POEM is a durable and safe procedure with an acceptably low adverse event rate and an excellent long-term clinical response.
Background Treatments of Zenker’s diverticulum aim to dissect the cricopharyngeal muscle, removing the underlying source of dysfunction. This is difficult in patients with a short-septum (≤ 20 mm) diverticulum because the limited anatomical space restricts the operating area for either rigid or flexible endoscopic approaches. The aim of this study was to investigate the efficacy and safety of a novel third-space approach, peroral endoscopic septotomy (POES), for treating symptomatic patients with short-septum Zenker’s diverticulum. Methods All patients with short-septum Zenker’s diverticulum who were referred for endoscopic repair from September 2017, were considered for the study. Outcomes included procedure-related adverse events and symptom improvement. The Dakkak – Bennett score was used to quantify dysphagia. Results 20 patients (men 12, women 8; mean age 67.9 years [SD 14.3]) underwent POES. All procedures were performed with patients under deep sedation. Mean size of Zenker’s diverticulum was 17.5 mm (SD 3.0) and mean dysphagia score was 2.7 (SD 0.5). Average procedure time was 13.8 minutes (SD 5.1). No intra- or post- procedural adverse events occurred. Septal myotomy was successfully completed in all patients. Dysphagia significantly improved in 19 out of 20 patients. Dakkak – Bennett score improved to 0.3 (SD 0.5), P < 0.0001). No recurrences were reported in a mean follow-up time of 12.0 months (SD 3.7, range 6 – 20). Conclusions POES may be considered as a potential alternative for the treatment of short-septum Zenker’s diverticulum. Further data are required to validate this technique and compare it with already available rigid and flexible approaches.
Background and Aims: Endoscopic resection of lesions involving the appendiceal orifice (AO) remains a challenge. We aim to report the outcomes of full-thickness resection device (FTRD) for the resection of appendiceal lesions and identify factors associated with the occurrence of appendicitis. Methods: This is a retrospective study at 18 tertiary-care centers (12 U.S., Canada 1, 5 Europe) between 11/2016 and 8/2020. Consecutive patients who underwent resection of AO lesions using the FTRD were included. The primary outcome was the rate of R0 margin resection in neoplastic lesions, defined as negative lateral and deep margins on post-resection histologic evaluation. Secondary outcomes included the rates of; technical success (en bloc resection), clinical success (technical success without need for further surgical interventions), post-resection appendicitis, and polyp recurrence. Results: A total of 66 patients (mean age 64 yr., 29 F) underwent resection of colonic lesions (mean size 14.5 (6.2) mm) involving the AO, with 40 (61%) deep extending into the appendiceal lumen. Technical success was achieved in 59/66 (89%) cases, out of which, 56 were found to be neoplastic lesions on post-resection pathology. Clinical success was achieved in 53/66 (80%). R0 resection was achieved in 52/56 (93%) cases. Out of the 58 patients of whom EFTR was completed and had no prior history of appendectomy, appendicitis was reported in 10 (17%) cases, with 6 (60%) requiring surgical appendectomies. Follow-up colonoscopy was completed in 41 cases with evidence of recurrence in 5 (12.2%). Conclusions: FTRD is a promising non-surgical alternative for resecting appendiceal lesions but appendicitis occurs in 1 out of 6 cases.
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