Browsing by Author "Huggett, Matthew T."

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    Endoscopic Ultrasound-Guided Drainage of Intra-Abdominal Abscess Using 15-mm vs. 10-mm Lumen-Apposing Metal Stents: An International Case-Matched Study
    (Elsevier, 2025) Ichkhanian, Yervant; Chaudhary, Ammad J.; Veracruz, Nicolette; Faisal, Muhammad Salman; Peller, Matthew; Kushnir, Vladimir; Daugherty, T. Tyler; Genere, Juan Reyes; Pawa, Rishi; Pawa, Swati; Ahmed, Wafaa; Huggett, Matthew T.; Paranandi, Bharat; Aparicio, José Ramón; Martínez-Moreno, Belén; Nimri, Faisal; Ashraf, Taha; Alluri, Spandana; Obri, Mark; Dang, Duyen; Singla, Sumit; Piraka, Cyrus; Zuchelli, Tobias; Medicine, School of Medicine
    Background and Aims Efficacy and safety of EUS-guided placement of lumen-apposing metal stents (LAMS) has been reported yet advantage of using 15-mm LAMS over 10-mm LAMS yet to be explored. Methods International, retrospective, case-matched study of patients with intra-abdominal abscess who underwent EUS-guided drainage with 15-mm (case) and 10-mm (control) LAMS between 03/2019 and 09/2022. Results 51 patients underwent EUS-guided drainage using LAMS [15-mm 29 (57%), 10-mm 22 (43%)]. The most common location of the abscess was peri-pancreatic 43%. Technical success rate was achieved in 97% of cases and 100 % of controls (p=0.412), while clinical success was achieved in 98% and 96%, respectively, (OR 1.3; p=0.089). AE occurred in 7.8% of the cases. Patients with 15-mm LAMS underwent fewer total endoscopic procedures (mean 2.5 vs.3.6; P < 0.023). Conclusion Both sizes showed comparable clinical success and safety profiles, with a significant trend of the need for fewer endoscopic procedures with the 15-mm LAMS.
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    EUS-directed transgastric interventions in Roux-En-Y Gastric Bypass anatomy: a multicenter experience
    (Elsevier, 2022-05) Ghandour, Bachir; Shinn, Brianna; Dawod, Qais M.; Fansa, Sima; El Chafic, Abdul Hamid; Irani, Shayan S.; Pawa, Rishi; Gutta, Aditya; Ichkhanian, Yervant; Paranandi, Bharat; Pawa, Swati; Al-Haddad, Mohammad A.; Zuchelli, Tobias; Huggett, Matthew T.; Bejjani, Michael; Sharaiha, Reem Z.; Kowalski, Thomas E.; Khashab, Mouen A.; Medicine, School of Medicine
    Background and Aims Placement of a Lumen Apposing Metal Stent (LAMS) between the gastric pouch and the excluded stomach allows for EUS Guided Transgastric Interventions (EDGI) in patients with Roux-en-Y gastric bypass (RYGB). Although EUS guided transgastric ERCP (EDGE) outcomes have been reported, there is a paucity of data on other endoscopic interventions. We aimed to evaluate the outcomes and safety of EDGI. Methods This is a retrospective study involving 9 centers (8 USA, 1 Europe) and included patients with RYGB who underwent EDGI between 06/2015 and 09/2021. The primary outcome was the technical success of EDGI. Secondary outcomes included adverse events, length of hospital stay, and fistula follow-up and management. Results 54 EDGI procedures were performed in 47 patients (mean age 61yr, F 72%), most commonly for the evaluation of a pancreatic mass (n=16) and management of pancreatic fluid collections (n=10). A 20mm LAMS was utilized in 26 patients and a 15mm LAMS in 21, creating a gastrogastrostomy (GG) in 37 patients and jejunogastrostomy (JG) in 10. Most patients (n=30, 64%) underwent a dual-session EDGI, with a median interval of 17d between the 2 procedures. Single-session EDGI was performed in 17 patients, of whom 10 (59%) had anchoring of the LAMS. The most common interventions were diagnostic EUS (+/-FNA/B) (n=28) and EUS-guided cystgastrostomy (n=8). The mean procedural time was 97.6 ± 78.9 mins. Technical success was achieved in 52 (96%). AEs occurred in 5 (10.6%) patients, of which only 1 (2.1%) was graded as severe. Intraprocedural LAMS migration was the most common AE, occurring in 3 patients (6.4%), while delayed spontaneous LAMS migration occurred in 2 (4.3%). 4 of the 5 LAMS migration events were managed endoscopically, and one required surgical repair. LAMS anchoring was found to be protective against LAMS migration (p=0.001). The median duration of hospital stay was 2.1 ± 3.7d. Of the 17 patients who underwent objective fistula assessment endoscopically/radiologically after LAMS removal, 2 (11.7%) were found to have persistent fistulas. In one case the fistula was intentionally left open to assist with weight gain. The other fistula was successfully closed endoscopically. Conclusion EDGI is effective and safe for the diagnosis and management of pancreatobiliary and foregut disorders in RYGB patients. It is associated with high rates of technical success and low rates of severe AEs. LAMS migration is the most common AE with evidence that anchoring can be protective against its occurrence. Persistent fistulas may occur, but endoscopic closure seems effective.