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2.
Endoscopy ; 55(2): 186-191, 2023 02.
Article in English | MEDLINE | ID: mdl-35926541

ABSTRACT

BACKGROUND : Peroral endoscopic myotomy (POEM) is now widely used for esophageal motility disorders including achalasia. Closure of the mucosal incision site is a critical step of the procedure. We evaluated the use of a novel through-the-scope (TTS) suture system for closure of POEM mucosal incision sites. METHODS : We retrospectively reviewed consecutive patients who underwent POEM with TTS suture closure at our institution between February and July 2021. Technical success was defined as complete mucosal incision site closure using TTS suturing, without the need for adjunctive devices. Continuous variables are presented as median (interquartile range [IQR]) or mean (SD). RESULTS : 35 consecutive patients (median age 58 years [IQR 46.5-72]; 54.3 % female) underwent POEM with attempted mucosal closure by TTS suturing. Technical success was achieved in 32 patients (91.4 %) with a mean closure time of 12.4 (SD 6.9) minutes. The median mucosal incision length at time of closure was 2.5 cm (IQR 2-2.5). Overall, 17 patients (53.1 %) required ≥ 2 TTS suture systems and 3 patients (8.6 %) required additional TTS clips to achieve secure mucosal closure. No adverse events were encountered. CONCLUSIONS : TTS suturing was effective and safe for POEM mucosotomy closure. However, prospective comparative trials and cost-effectiveness analyses are warranted before routine adoption.


Subject(s)
Esophageal Achalasia , Myotomy , Natural Orifice Endoscopic Surgery , Humans , Female , Middle Aged , Male , Retrospective Studies , Prospective Studies , Natural Orifice Endoscopic Surgery/methods , Esophageal Achalasia/surgery , Myotomy/methods , Treatment Outcome , Esophageal Sphincter, Lower/surgery
3.
VideoGIE ; 7(12): 452-454, 2022 Dec.
Article in English | MEDLINE | ID: mdl-36467530

ABSTRACT

Video 1A dual EUS-guided approach to pancreatobiliary intervention in altered anatomy.

4.
Cancers (Basel) ; 13(18)2021 Sep 15.
Article in English | MEDLINE | ID: mdl-34572850

ABSTRACT

In healthy hosts, trillions of microbes colonise the gut and oral cavity in a well-balanced state, maintaining a mutually beneficial relationship. Loss of this balance, termed dysbiosis, is strongly implicated in the pathogenesis of colorectal cancer (CRC). However, the roles of microbiota and dysbiosis in CRC treatment remain poorly understood. Recent studies suggest that the gut microbiota has the ability to affect the host response to chemotherapeutic agents by enhancing drug efficacy, promoting chemoresistance and mediating chemotherapy-induced toxicity and side effects via a variety of mechanisms. Several other studies have also proposed manipulation of the microbiota to optimise CRC treatment. In this review, we summarise the current advancement of knowledge on how microbiota and CRC treatments interact with each other and how this interaction may shed some light on the development of personalised microbiota manipulations that improve CRC treatment outcomes.

5.
Curr Opin Gastroenterol ; 37(5): 441-448, 2021 09 01.
Article in English | MEDLINE | ID: mdl-34265794

ABSTRACT

PURPOSE OF REVIEW: Gastroesophageal reflux disease (GERD) is one of the most common chronic conditions affecting adults. A substantial proportion of patients continue to have symptoms despite medical therapy, and there has been increased demand for minimally invasive GERD therapy. We will examine currently available techniques and outcomes data on endoscopic approaches to the treatment of GERD. RECENT FINDINGS: In the last 2 years, research has given rise to more robust understanding of not only the pathophysiology of GERD but also how to better manage the various phenotypes. We are learning the ideal patient to benefit from endoscopic GERD therapy. In this review, we describe the four major endoluminal techniques for treating GERD and summarize current data. SUMMARY: Endoscopic therapies are well positioned to fill the 'therapy gap' between medical therapy and more invasive surgical procedures.


Subject(s)
Gastroesophageal Reflux , Endoscopy , Gastroesophageal Reflux/surgery , Humans
6.
VideoGIE ; 6(3): 109-111, 2021 Mar.
Article in English | MEDLINE | ID: mdl-33738355
8.
Gastrointest Endosc ; 93(2): 390-397, 2021 02.
Article in English | MEDLINE | ID: mdl-32535194

ABSTRACT

BACKGROUND AND AIMS: Flexible endoscopic cricopharyngeal myotomy (FECM) allows minimally invasive treatment of patients with Zenker's diverticulum (ZD); however, retreatment rates are substantial. We hypothesized that the functional lumen imaging probe (FLIP) may provide insight into ZD pathophysiology and serve as an intraprocedural guide to adequacy of myotomy. METHODS: We prospectively evaluated 11 ZD patients undergoing FECM and compared the baseline cricopharyngeal (CP) distensibility with 16 control subjects. Intraprocedural CP distensibility was measured immediately pre- and postmyotomy. The CP distensibility index (CP-DI) was defined as a ratio of the narrowest cross-sectional area (nCSA) and the corresponding intrabag pressure at 40 mL distension. Same-procedure myotomy extension was undertaken in a subgroup if threshold distensibility changes were not met. RESULTS: ZD patients had reduced baseline nCSA and CP-DI compared with control subjects, (169.6 vs 227.5 mm2 [P < .001] and 3.8 vs 7.6 mm2/mm Hg [P < .001], respectively). After CP myotomy, both nCSA and CP-DI increased significantly by an average of 74.2 mm2 (95% confidence interval [CI], 35.1-113.3; P = .002) and 2.2 mm2/mm Hg (95% CI, .6-3.8; P = .01), respectively. In the subgroup with no significant change in CP distensibility after initial myotomy (n = 6), myotomy extension resulted in significant increases in both mean nCSA and CP-DI of 66.6 mm2 (95% CI, 16.4-116.8; P = .03) and 1.9 mm2/mm Hg (95% CI, .4-3.3; P = .015), respectively. There were no adverse events. CONCLUSIONS: CP distensibility is reduced in ZD patients and is partially reversible by FECM. An intraprocedural FLIP CP distensibility measurement is safe and sensitive in detecting myotomy-induced changes. These findings support using FLIP to optimize FECM outcome. Further studies are required to derive precise metrics predictive of clinical response.


Subject(s)
Myotomy , Zenker Diverticulum , Esophagoscopy , Humans , Pharyngeal Muscles/surgery , Treatment Outcome , Zenker Diverticulum/surgery
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