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  1. Transcutaneous electric nerve stimulation of acupuncture points improves tolerance in adults undergoing diagnostic upper gastrointestinal endoscopy: a single-center, double-blinded, randomized controlled trial
    Chuah JS, Tan JH, Bujang MA, Chan KK, Kosai NR
    Surg Endosc, 2024 Jun;38(6):3279-3287.
    PMID: 38658388 DOI: 10.1007/s00464-024-10841-8
    BACKGROUND: Oesophagogastroduodenoscopy (OGDS) is the most common diagnostic procedure for upper gastrointestinal diseases. It often causes discomfort and anxiety, which are only mitigated by systemic sedation. However, sedation poses additional risks of adverse cardiopulmonary events, increased medical costs, and prolonged recovery. Transcutaneous electrical nerve stimulation of acupuncture points (Acu-TENS) is a non-invasive and innovative approach that induces analgesic effect during endoscopy. This trial is the first to be reported in English that explores the potential of Acu-TENS to increase patient tolerance during non-sedated elective diagnostic OGDS.

    METHODS: A double-blinded randomized controlled trial involving 348 subjects was conducted at a tertiary hospital to evaluate the success rate of OGDS with Acu-TENS. Subjects aged 18-75 years scheduled for their first elective diagnostic OGDS were randomized into the intervention (Acu-TENS) and placebo arms. OGDS success was assessed based on subjects' satisfaction ratings on a Likert scale and procedure's technical adequacy. Secondary measures included subjects' willingness to undergo future OGDS under similar conditions, procedure duration, and the endoscopist's perceived ease of the procedure.

    RESULTS: OGDS success rates were significantly higher with Acu-TENS (77.8%) than with the placebo (68.0%; odds ratio [OR] 1.64, 95% confidence interval [CI] 1.01-2.66, p = 0.043). Subjects who received Acu-TENS expressed higher willingness for future OGDS (78.9%) than those who received the placebo (68.6%; OR 1.71, 95% CI 1.04-2.79, p = 0.031). Procedure duration were significantly shorter in the intervention arm (6.0 min) than in the placebo arm (10.0 min; p = 0.002). No adverse effects were reported, and endoscopists perceived similar procedure ease in both arms.

    CONCLUSIONS: Acu-TENS improved OGDS success and enhanced patients' experiences during non-sedated OGDS. It demonstrated safety with no side effects and reduced the procedure completion time. It could be used as an adjunct in non-sedated diagnostic OGDS.

    Matched MeSH terms: Endoscopy, Digestive System/adverse effects
  2. Asian consensus statements on endoscopic management of walled-off necrosis. Part 2: Endoscopic management
    Isayama H, Nakai Y, Rerknimitr R, Khor C, Lau J, Wang HP, et al.
    J Gastroenterol Hepatol, 2016 Sep;31(9):1555-65.
    PMID: 27042957 DOI: 10.1111/jgh.13398
    Walled-off necrosis (WON) is a new term for encapsulated necrotic tissue after severe acute pancreatitis. Various terminologies such as pseudocyst, necroma, pancreatic abscess, and infected necrosis were previously used in the literature, resulting in confusion. The current and past terminologies must be reconciled to meaningfully interpret past data. Recently, endoscopic necrosectomy was introduced as a treatment option and is now preferred over surgical necrosectomy when the expertise is available. However, high-quality evidence is still lacking, and there is no standard management strategy for WON. The consensus meeting aimed to clarify the diagnostic criteria for WON and the role of endoscopic interventions in its management. In the Consensus Conference, 27 experts from eight Asian countries took an active role and examined key clinical aspects of WON diagnosis and endoscopic management. Statements were crafted based on literature review and expert opinion, employing the modified Delphi method. All statements were substantiated by the level of evidence and the strength of the recommendation. We created 27 consensus statements for WON diagnosis and management, including details of endoscopic procedures. When there was not enough solid evidence to support the statements, this was clearly acknowledged to facilitate future research. Proposed management strategies were formulated and are illustrated using flow charts. These recommendations, which are based on the best current scientific evidence and expert opinion, will be useful for guiding endoscopic management of WON. Part 2 of this statement focused on the endoscopic management of WON.
    Matched MeSH terms: Endoscopy, Digestive System/adverse effects
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