Zachary Smith, DO, MSc

Publications

• Cold snare endoscopic resection for large colon polyps: a randomised trial.

  (Pohl H, Rex DK, Barber J, Moyer MT, Elmunzer BJ, Rastogi A, Gordon SR, Zolotarevsky E, Levenick JM, Aslanian HR, Elatrache M, von Renteln D, Wallace MB, Brahmbhatt B, Keswani RN, Kumta NA, Pleskow DK, Smith ZL, Abu Ghanimeh MK, Simmer S, Sanaei O, Mackenzie TA, Piraka C.) Gut. 2025 May 19 PMID: 40393701 05/21/2025

• Technical Factors Associated With the Benefit of Prophylactic Pancreatic Stent Placement During High-Risk Endoscopic Retrograde Cholangiopancreatography: A Secondary Analysis of the SVI Trial Data Set.

  (Elmunzer BJ, Zhang J, Coté GA, Edmundowicz SA, Wani S, Shah R, Bang JY, Varadarajulu S, Singh VK, Khashab M, Kwon RS, Scheiman JM, Willingham FF, Keilin SA, Papachristou GI, Chak A, Slivka A, Mullady D, Kushnir V, Buxbaum J, Keswani R, Gardner TB, Forbes N, Rastogi A, Ross A, Law J, Yachimski P, Chen YI, Barkun A, Smith ZL, Serrano J, Petersen B, Wang AY, Saltzman JR, Spitzer RL, Ordiah C, Spino C, Foster LD, Durkalski-Mauldin V, SVI Study Group*.) Am J Gastroenterol. 2025 Apr 01;120(4):811-815 PMID: 39207308 PMCID: PMC11865352 SCOPUS ID: 2-s2.0-85202550525 08/31/2024

• Internal Validation is Imperative for Comparative Observational Studies Using TriNetX Cohort Level Data.

  (Smith ZL.) Am J Gastroenterol. 2025 Mar 04 PMID: 40029061 SCOPUS ID: 2-s2.0-105000890965 03/03/2025

• Adverse Events Associated With Endoscopic Retrograde Cholangiopancreatography: Systematic Review and Meta-Analysis.

  (Bishay K, Meng ZW, Khan R, Gupta M, Ruan Y, Vaska M, Iannuzzi J, O'Sullivan DE, Mah B, Partridge ACR, Henderson AM, Guo H, Samnani S, DeMarco M, Yuan Y, Elmunzer BJ, Keswani RN, Wani S, Smith ZL, Bridges RJ, Heitman SJ, Hilsden RJ, Brenner DR, Leontiadis GI, Forbes N.) Gastroenterology. 2025 Mar;168(3):568-586 PMID: 39515394 SCOPUS ID: 2-s2.0-85211230172 11/13/2024

• Impact of difficult biliary cannulation on post-ERCP pancreatitis: secondary analysis of the stent versus indomethacin trial dataset.

  (Han S, Zhang J, Durkalski-Mauldin V, Foster LD, Serrano J, Coté GA, Bang JY, Varadarajulu S, Singh VK, Khashab M, Kwon RS, Scheiman JM, Willingham FF, Keilin SA, Groce JR, Lee PJ, Krishna SG, Chak A, Slivka A, Mullady D, Kushnir V, Buxbaum J, Keswani R, Gardner TB, Wani S, Edmundowicz SA, Shah RJ, Forbes N, Rastogi A, Ross A, Law J, Yachimski P, Chen YI, Barkun A, Smith ZL, Petersen BT, Wang AY, Saltzman JR, Spitzer RL, Spino C, Elmunzer BJ, Papachristou GI, SVI Study Group.) Gastrointest Endosc. 2025 Mar;101(3):617-628 PMID: 39389431 PMCID: PMC11875935 SCOPUS ID: 2-s2.0-85208994022 10/11/2024

• Thirty-day hospital admission following high-risk outpatient ERCP: incidence and analysis of risk factors based on a secondary analysis of the Stent Versus Indomethacin trial data set.

  (Yachimski P, Zhang J, Coté GA, Edmundowicz SA, Wani S, Shah R, Bang JY, Varadarajulu S, Singh VK, Khashab M, Kwon RS, Scheiman JM, Willingham FF, Keilin SA, Papachristou GI, Chak A, Slivka A, Mullady D, Kushnir V, Buxbaum J, Keswani R, Gardner TB, Forbes N, Rastogi A, Ross A, Law J, Chen YI, Barkun A, Smith ZL, Serrano J, Petersen B, Wang AY, Saltzman JR, Spitzer RL, Ordiah C, Spino C, Foster LD, Durkalski-Mauldin V, Elmunzer BJ, SVI Study Group.) Gastrointest Endosc. 2025 Feb 04 PMID: 39914634 SCOPUS ID: 2-s2.0-86000360999 02/07/2025

• Adverse events, success, and tolerability of biliary endoscopic retrograde cholangiopancreatography with conscious sedation vs anaesthesia: a multi-centre prospective study

  (Smith ZL, Kayal A, Ruan Y, Lethebe BC, Siersema PD, Padrón AT, Alshammari Y, Samnani S, Koury HF, Chau M, Howarth M, Cartwright S, Brenner DR, Tavakkoli A, Keswani RN, Elmunzer BJ, Wani S, Forbes N, Chen YI, Barkun AN, Singh A, Hookey L, Arya N, Calo NC, Grover SC, Lei Y, Li S, Mohamed R, Turbide C, Bishay K, Gonzalez-Moreno E, Meng ZW, Heitman SJ.) Journal of the Canadian Association of Gastroenterology. 1 April 2025;8(2):63-70 SCOPUS ID: 2-s2.0-105002687672 04/01/2025

• Trainee Participation and Outcomes in High-risk Endoscopic Retrograde Cholangiopancreatography: A Secondary Analysis of the Stent Versus Indomethacin Trial.

  (Wani S, Zhang J, Foster LD, Durkalski-Mauldin V, Elmunzer BJ, Stent Versus Indomethacin (SVI) Study Group.) Clin Gastroenterol Hepatol. 2025 Jan;23(1):175-178.e2 PMID: 39089516 SCOPUS ID: 2-s2.0-85203410003 08/02/2024

• Incidence, Predictors, and Outcomes of Clinically Significant Post-Endoscopic Retrograde Cholangiopancreatography Bleeding: A Contemporary Multicenter Study.

  (Bishay K, Ruan Y, Barkun AN, Chen YI, Singh A, Hookey L, Arya N, Calo NC, Grover SC, Siersema PD, Thosani N, Darvish-Kazem S, Siegal D, Bass S, Cole M, Lei Y, Li S, Mohamed R, Turbide C, Chau M, Howarth M, Cartwright S, Koury HF, Nashad T, Meng ZW, Tepox-Padrón A, Kayal A, González-Moreno E, Brenner DR, Smith ZL, Keswani RN, Elmunzer BJ, Wani S, Bridges RJ, Hilsden RJ, Heitman SJ, Forbes N.) Am J Gastroenterol. 2024 Nov 01;119(11):2317-2325 PMID: 39495582 SCOPUS ID: 2-s2.0-85200219086 11/04/2024

• Incidence, Predictors, and Outcomes of Clinically Significant Post-ERCP Bleeding: a Contemporary Multi-center Study.

  (Bishay K, Ruan Y, Barkun AN, Chen YI, Singh A, Hookey L, Arya N, Calo NC, Grover SC, Siersema PD, Thosani N, Darvish-Kazem S, Siegal D, Bass S, Cole M, Lei Y, Li S, Mohamed R, Turbide C, Chau M, Howarth M, Cartwright S, Koury HF, Nashad T, Meng ZW, Tepox-Padrón A, Kayal A, González-Moreno E, Brenner DR, Smith ZL, Keswani RN, Elmunzer BJ, Wani S, Bridges RJ, Hilsden RJ, Heitman SJ, Forbes N.) Am J Gastroenterol. 2024 Jul 05 PMID: 38976522 SCOPUS ID: 2-s2.0-85200219086 07/08/2024

• Indomethacin with or without prophylactic pancreatic stent placement to prevent pancreatitis after ERCP: a randomised non-inferiority trial.

  (Elmunzer BJ, Foster LD, Serrano J, Coté GA, Edmundowicz SA, Wani S, Shah R, Bang JY, Varadarajulu S, Singh VK, Khashab M, Kwon RS, Scheiman JM, Willingham FF, Keilin SA, Papachristou GI, Chak A, Slivka A, Mullady D, Kushnir V, Buxbaum J, Keswani R, Gardner TB, Forbes N, Rastogi A, Ross A, Law J, Yachimski P, Chen YI, Barkun A, Smith ZL, Petersen B, Wang AY, Saltzman JR, Spitzer RL, Ordiah C, Spino C, Durkalski-Mauldin V, SVI Study Group.) Lancet. 2024 Feb 03;403(10425):450-458 PMID: 38219767 PMCID: PMC10872215 SCOPUS ID: 2-s2.0-85183679654 01/15/2024