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Real-world Safety and Efficacy of Fluid-filled Dual Intra-gastric Balloon for Weight Loss.

Agnihotri A, Xie A, Bartalos C, Kushnir V, Islam S, Islam E, Lamet M, Lamet A, Farboudmanesch R, Overholt BF, Altawil J, Early DS, Bennett M, Lowe A, Mullady DK, Adeyeri CS, El Zein M, Mishra P, Fayad L, Dunlap M, Oberbach A, Cheskin LJ, Kalloo AN, Khashab MA, Kumbhari V.

Clin Gastroenterol Hepatol. 2018 Feb 23. pii: S1542-3565(18)30171-X. doi: 10.1016/j.cgh.2018.02.026. [Epub ahead of print]


Cohort Profile: The Québec Birth Cohort on Immunity and Health (QBCIH).

Rousseau MC, El-Zein M, Conus F, Parent ME, Benedetti A.

Int J Epidemiol. 2018 Feb 13. doi: 10.1093/ije/dyy011. [Epub ahead of print] No abstract available.


Stylet slow-pull versus standard suction for endoscopic ultrasound-guided fine-needle aspiration of solid pancreatic lesions: a multicenter randomized trial.

Saxena P, El Zein M, Stevens T, Abdelgelil A, Besharati S, Messallam A, Kumbhari V, Azola A, Brainard J, Shin EJ, Lennon AM, Canto MI, Singh VK, Khashab MA.

Endoscopy. 2017 Dec 22. doi: 10.1055/s-0043-122381. [Epub ahead of print]


Mobile Screening Units for the Early Detection of Cancer: A Systematic Review.

Greenwald ZR, El-Zein M, Bouten S, Ensha H, Vazquez FL, Franco EL.

Cancer Epidemiol Biomarkers Prev. 2017 Dec;26(12):1679-1694. doi: 10.1158/1055-9965.EPI-17-0454. Epub 2017 Oct 4. Review.


Estimating HPV DNA Deposition Between Sexual Partners Using HPV Concordance, Y Chromosome DNA Detection, and Self-reported Sexual Behaviors.

Malagón T, Burchell AN, El-Zein M, Guénoun J, Tellier PP, Coutlée F, Franco EL; HITCH Study Group.

J Infect Dis. 2017 Dec 5;216(10):1210-1218. doi: 10.1093/infdis/jix477.


Endoscopic sleeve gastroplasty: the learning curve.

Hill C, El Zein M, Agnihotri A, Dunlap M, Chang A, Agrawal A, Barola S, Ngamruengphong S, Chen YI, Kalloo AN, Khashab MA, Kumbhari V.

Endosc Int Open. 2017 Sep;5(9):E900-E904. doi: 10.1055/s-0043-115387. Epub 2017 Sep 13.


Y Chromosome DNA in Women's Vaginal Samples as a Biomarker of Recent Vaginal Sex and Condom Use With Male Partners in the HPV Infection and Transmission Among Couples Through Heterosexual Activity Cohort Study.

Malagón T, Burchell A, El-Zein M, Guénoun J, Tellier PP, Coutlée F, Franco EL; HITCH study group.

Sex Transm Dis. 2018 Jan;45(1):28-34. doi: 10.1097/OLQ.0000000000000688.


Bacillus Calmette-Guérin (BCG) vaccination patterns in the province of Québec, Canada, 1956-1974.

Rousseau MC, Conus F, Kâ K, El-Zein M, Parent MÉ, Menzies D.

Vaccine. 2017 Aug 24;35(36):4777-4784. doi: 10.1016/j.vaccine.2017.06.064. Epub 2017 Jul 10.


Assortativity and Mixing by Sexual Behaviors and Sociodemographic Characteristics in Young Adult Heterosexual Dating Partnerships.

Malagón T, Burchell A, El-Zein M, Tellier PP, Coutlée F, Franco EL; HITCH study group.

Sex Transm Dis. 2017 Jun;44(6):329-337. doi: 10.1097/OLQ.0000000000000612.


Gastroesophageal reflux after peroral endoscopic myotomy: a multicenter case-control study.

Kumbhari V, Familiari P, Bjerregaard NC, Pioche M, Jones E, Ko WJ, Hayee B, Cali A, Ngamruengphong S, Mion F, Hernaez R, Roman S, Tieu AH, El Zein M, Ajayi T, Haji A, Cho JY, Hazey J, Perry KA, Ponchon T, Kunda R, Costamagna G, Khashab MA.

Endoscopy. 2017 Jul;49(7):634-642. doi: 10.1055/s-0043-105485. Epub 2017 May 4.


Association Between Bacillus Calmette-Guérin Vaccination and Childhood Asthma in the Quebec Birth Cohort on Immunity and Health.

El-Zein M, Conus F, Benedetti A, Menzies D, Parent ME, Rousseau MC.

Am J Epidemiol. 2017 Aug 1;186(3):344-355. doi: 10.1093/aje/kwx088.


Endoscopic ultrasound-guided creation of a transgastric fistula for the management of hepatobiliary disease in patients with Roux-en-Y gastric bypass.

Ngamruengphong S, Nieto J, Kunda R, Kumbhari V, Chen YI, Bukhari M, El Zein MH, Bueno RP, Hajiyeva G, Ismail A, Chavez YH, Khashab MA.

Endoscopy. 2017 Jun;49(6):549-552. doi: 10.1055/s-0043-105072. Epub 2017 Apr 10.


International multicenter comparative trial of endoscopic ultrasonography-guided gastroenterostomy versus surgical gastrojejunostomy for the treatment of malignant gastric outlet obstruction.

Khashab MA, Bukhari M, Baron TH, Nieto J, El Zein M, Chen YI, Chavez YH, Ngamruengphong S, Alawad AS, Kumbhari V, Itoi T.

Endosc Int Open. 2017 Apr;5(4):E275-E281. doi: 10.1055/s-0043-101695.


Cervical Infection with Cutaneous Beta and Mucosal Alpha Papillomaviruses.

Sichero L, El-Zein M, Nunes EM, Ferreira S, Franco EL, Villa LL; Ludwig-McGill Cohort Study.

Cancer Epidemiol Biomarkers Prev. 2017 Aug;26(8):1312-1320. doi: 10.1158/1055-9965.EPI-17-0081. Epub 2017 Apr 4.


Peroral endoscopic myotomy achieves similar clinical response but incurs lesser charges compared to robotic heller myotomy.

Khashab MA, Kumbhari V, Tieu AH, El Zein MH, Ismail A, Ngamruengphong S, Singh VK, Kalloo AN, Clarke JO, Stein EM.

Saudi J Gastroenterol. 2017 Mar-Apr;23(2):91-96. doi: 10.4103/1319-3767.203360.


Determinants of Cervical Cancer Screening Accuracy for Visual Inspection with Acetic Acid (VIA) and Lugol's Iodine (VILI) Performed by Nurse and Physician.

Raifu AO, El-Zein M, Sangwa-Lugoma G, Ramanakumar A, Walter SD, Franco EL; Congo Screening Study Group.

PLoS One. 2017 Jan 20;12(1):e0170631. doi: 10.1371/journal.pone.0170631. eCollection 2017.


A multicenter experience of through-the-scope balloon-assisted enteroscopy in surgically altered gastrointestinal anatomy.

Cai JX, Diehl DL, Kiesslich R, Storm AC, El Zein MH, Tieu AH, Hoffman A, Singh VK, Khashab MA, Okolo PI 3rd, Kumbhari V.

Surg Endosc. 2017 Jul;31(7):2753-2762. doi: 10.1007/s00464-016-5282-2. Epub 2016 Dec 30.


EUS-guided biliary drainage or enteroscopy-assisted ERCP in patients with surgical anatomy and biliary obstruction: an international comparative study.

Khashab MA, El Zein MH, Sharzehi K, Marson FP, Haluszka O, Small AJ, Nakai Y, Park DH, Kunda R, Teoh AY, Peñas I, Perez-Miranda M, Kumbhari V, Van der Merwe S, Artifon EL, Ross AS.

Endosc Int Open. 2016 Dec;4(12):E1322-E1327. Epub 2016 Aug 30.


Lifetime report of perceived stress at work and cancer among men: A case-control study in Montreal, Canada.

Blanc-Lapierre A, Rousseau MC, Weiss D, El-Zein M, Siemiatycki J, Parent MÉ.

Prev Med. 2017 Mar;96:28-35. doi: 10.1016/j.ypmed.2016.12.004. Epub 2016 Dec 5.


Interventional EUS Using a Flexible 19-Gauge Needle: An International Multicenter Experience in 162 Patients.

Kumbhari V, Peñas I, Tieu AH, De la Serna-Higuera C, Juneja M, Maufa F, Ngamruengphong S, El-Zein MH, Haddad N, Krishnan S, Gonzalez S, Renny PV, Saxena P, Howard L, DiMaio CJ, Buscaglia JM, Perez-Miranda M, Khashab MA.

Dig Dis Sci. 2016 Dec;61(12):3552-3559. Epub 2016 Oct 6.


Endoscopic suturing for the prevention of stent migration in benign upper gastrointestinal conditions: a comparative multicenter study.

Ngamruengphong S, Sharaiha RZ, Sethi A, Siddiqui AA, DiMaio CJ, Gonzalez S, Im J, Rogart JN, Jagroop S, Widmer J, Hasan RA, Laique S, Gonda T, Poneros J, Desai A, Tyberg A, Kumbhari V, El Zein M, Abdelgelil A, Besharati S, Hernaez R, Okolo PI, Singh V, Kalloo AN, Kahaleh M, Khashab MA.

Endoscopy. 2016 Sep;48(9):808. doi: 10.1055/s-0042-113997. Epub 2016 Aug 5. No abstract available.


Treating 2 Diseases With 1 Drug: PDE-4 Inhibitor for COPD and Psoriasis.

Michels K, Hagner M, El Zein M, Dasa O, Assaly R.

Am J Ther. 2017 Jan/Feb;24(1):e103-e104. doi: 10.1097/MJT.0000000000000465. No abstract available.


Assessment of occupational risks to extremely low frequency magnetic fields: Validation of an empirical non-expert approach.

El-Zein M, Deadman JE, Infante-Rivard C.

Prev Med Rep. 2016 May 31;4:148-54. doi: 10.1016/j.pmedr.2016.05.017. eCollection 2016 Dec.


Endoscopic suturing for the prevention of stent migration in benign upper gastrointestinal conditions: a comparative multicenter study.

Ngamruengphong S, Sharaiha RZ, Sethi A, Siddiqui AA, DiMaio CJ, Gonzalez S, Im J, Rogart JN, Jagroop S, Widmer J, Hasan RA, Laique S, Gonda T, Poneros J, Desai A, Tyberg A, Kumbhari V, El Zein M, Abdelgelil A, Besharati S, Hernaez R, Okolo PI, Singh V, Kalloo AN, Kahaleh M, Khashab MA.

Endoscopy. 2016 Sep;48(9):802-8. doi: 10.1055/s-0042-108567. Epub 2016 Jun 29. Erratum in: Endoscopy. 2016 Sep;48(9):808.


Learning curve for peroral endoscopic myotomy.

El Zein M, Kumbhari V, Ngamruengphong S, Carson KA, Stein E, Tieu A, Chaveze Y, Ismail A, Dhalla S, Clarke J, Kalloo A, Canto MI, Khashab MA.

Endosc Int Open. 2016 May;4(5):E577-82. doi: 10.1055/s-0042-104113. Epub 2016 Mar 30.


Prospective international multicenter study on endoscopic ultrasound-guided biliary drainage for patients with malignant distal biliary obstruction after failed endoscopic retrograde cholangiopancreatography.

Khashab MA, Van der Merwe S, Kunda R, El Zein MH, Teoh AY, Marson FP, Fabbri C, Tarantino I, Varadarajulu S, Modayil RJ, Stavropoulos SN, Peñas I, Ngamruengphong S, Kumbhari V, Romagnuolo J, Shah R, Kalloo AN, Perez-Miranda M, Artifon EL.

Endosc Int Open. 2016 Apr;4(4):E487-96. doi: 10.1055/s-0042-102648. Epub 2016 Mar 30.


Reproductive and genital health and risk of cervical human papillomavirus infection: results from the Ludwig-McGill cohort study.

Shaw E, Ramanakumar AV, El-Zein M, Silva FR, Galan L, Baggio ML, Villa LL, Franco EL; Ludwig-McGill Cohort Study.

BMC Infect Dis. 2016 Mar 8;16:116. doi: 10.1186/s12879-016-1446-x.


Submucosal tunneling and en bloc endoscopic resection facilitates laparoscopic transgastric removal of a large GI stromal tumor at the esophagogastric junction.

Saxena P, El Zein M, Makary M, Kumbhari V, Khashab MA.

Gastrointest Endosc. 2016 Jul;84(1):179-80. doi: 10.1016/j.gie.2016.02.025. Epub 2016 Feb 28. No abstract available.


International multicenter comparative trial of transluminal EUS-guided biliary drainage via hepatogastrostomy vs. choledochoduodenostomy approaches.

Khashab MA, Messallam AA, Penas I, Nakai Y, Modayil RJ, De la Serna C, Hara K, El Zein M, Stavropoulos SN, Perez-Miranda M, Kumbhari V, Ngamruengphong S, Dhir VK, Park DH.

Endosc Int Open. 2016 Feb;4(2):E175-81. doi: 10.1055/s-0041-109083. Epub 2016 Jan 15.


Predictors of incomplete optical colonoscopy using computed tomographic colonography.

Sachdeva R, Tsai SD, El Zein MH, Tieu AA, Abdelgelil A, Besharati S, Khashab MA, Kalloo AN, Kumbhari V.

Saudi J Gastroenterol. 2016 Jan-Feb;22(1):43-9. doi: 10.4103/1319-3767.173758.


Double endoscopic bypass by using lumen-apposing stents (with videos).

Khashab MA, El Zein M, Ngamruengphong S, Haito Chavez Y, Kumbhari V, Ismail A, Tieu AH, Aguila G, Singh VK, Lennon AM, Canto MI, Kalloo AN.

Gastrointest Endosc. 2016 Feb;83(2):435-9. doi: 10.1016/j.gie.2015.09.041. No abstract available.


Assessment of mediators of racial disparities in cervical cancer survival in the United States.

Sheppard CS, El-Zein M, Ramanakumar AV, Ferenczy A, Franco EL.

Int J Cancer. 2016 Jun 1;138(11):2622-30. doi: 10.1002/ijc.29996. Epub 2016 Jan 29.


Anxiety dissociates the adaptive functions of sensory and motor response enhancements to social threats.

El Zein M, Wyart V, Grèzes J.

Elife. 2015 Dec 29;4. pii: e10274. doi: 10.7554/eLife.10274.


Cervical cancer screening of HPV vaccinated populations: Cytology, molecular testing, both or none.

El-Zein M, Richardson L, Franco EL.

J Clin Virol. 2016 Mar;76 Suppl 1:S62-S68. doi: 10.1016/j.jcv.2015.11.020. Epub 2015 Nov 18. Review.


Bacillus Calmette-Guérin (BCG) Vaccination in Infancy and Risk of Childhood Diabetes.

Rousseau MC, El-Zein M, Conus F, Legault L, Parent ME.

Paediatr Perinat Epidemiol. 2016 Mar;30(2):141-8. doi: 10.1111/ppe.12263. Epub 2015 Nov 20.


Transpapillary drainage has no added benefit on treatment outcomes in patients undergoing EUS-guided transmural drainage of pancreatic pseudocysts: a large multicenter study.

Yang D, Amin S, Gonzalez S, Mullady D, Hasak S, Gaddam S, Edmundowicz SA, Gromski MA, DeWitt JM, El Zein M, Khashab MA, Wang AY, Gaspar JP, Uppal DS, Nagula S, Kapadia S, Buscaglia JM, Bucobo JC, Schlachterman A, Wagh MS, Draganov PV, Jung MK, Stevens T, Vargo JJ, Khara HS, Huseini M, Diehl DL, Keswani RN, Law R, Komanduri S, Yachimski PS, DaVee T, Prabhu A, Lapp RT, Kwon RS, Watson RR, Goodman AJ, Chhabra N, Wang WJ, Benias P, Carr-Locke DL, DiMaio CJ.

Gastrointest Endosc. 2016 Apr;83(4):720-9. doi: 10.1016/j.gie.2015.10.040. Epub 2015 Nov 6.


Intraoperative measurement of esophagogastric junction cross-sectional area by impedance planimetry correlates with clinical outcomes of peroral endoscopic myotomy for achalasia: a multicenter study.

Ngamruengphong S, von Rahden BH, Filser J, Tyberg A, Desai A, Sharaiha RZ, Lambroza A, Kumbhari V, El Zein M, Abdelgelil A, Besharati S, Clarke JO, Stein EM, Kalloo AN, Kahaleh M, Khashab MA.

Surg Endosc. 2016 Jul;30(7):2886-94. doi: 10.1007/s00464-015-4574-2. Epub 2015 Oct 20.


Evaluating the Validity of a Two-stage Sample in a Birth Cohort Established from Administrative Databases.

El-Zein M, Conus F, Benedetti A, Parent ME, Rousseau MC.

Epidemiology. 2016 Jan;27(1):105-15. doi: 10.1097/EDE.0000000000000403.


Sexual behaviours and head and neck cancer: A systematic review and meta-analysis.

Farsi NJ, El-Zein M, Gaied H, Lee YC, Hashibe M, Nicolau B, Rousseau MC.

Cancer Epidemiol. 2015 Dec;39(6):1036-46. doi: 10.1016/j.canep.2015.08.010. Epub 2015 Sep 12. Review.


Septotomy: an adjunct endoscopic treatment for post-sleeve gastrectomy fistulas.

Haito-Chavez Y, Kumbhari V, Ngamruengphong S, De Moura DT, El Zein M, Vieira M, Aguila G, Khashab MA.

Gastrointest Endosc. 2016 Feb;83(2):456-7. doi: 10.1016/j.gie.2015.08.065. Epub 2015 Sep 8. No abstract available.


Refractory gastroparesis can be successfully managed with endoscopic transpyloric stent placement and fixation (with video).

Khashab MA, Besharati S, Ngamruengphong S, Kumbhari V, El Zein M, Stein EM, Tieu A, Mullin GE, Dhalla S, Nandwani MC, Singh V, Canto MI, Kalloo AN, Clarke JO.

Gastrointest Endosc. 2015 Dec;82(6):1106-9. doi: 10.1016/j.gie.2015.06.051. Epub 2015 Aug 5.


HPV DNA testing with cytology triage in cervical cancer screening: Influence of revealing HPV infection status.

Richardson LA, El-Zein M, Ramanakumar AV, Ratnam S, Sangwa-Lugoma G, Longatto-Filho A, Cardoso MA, Coutlée F, Franco EL; PEACHS (Pap Efficacy After Cervical HPV Status) Study Consortium.

Cancer Cytopathol. 2015 Dec;123(12):745-54. doi: 10.1002/cncy.21596. Epub 2015 Jul 31.


EUS-guided gastroenterostomy: the first U.S. clinical experience (with video).

Khashab MA, Kumbhari V, Grimm IS, Ngamruengphong S, Aguila G, El Zein M, Kalloo AN, Baron TH.

Gastrointest Endosc. 2015 Nov;82(5):932-8. doi: 10.1016/j.gie.2015.06.017. Epub 2015 Jul 26.


Comprehensive analysis of efficacy and safety of peroral endoscopic myotomy performed by a gastroenterologist in the endoscopy unit: a single-center experience.

Khashab MA, El Zein M, Kumbhari V, Besharati S, Ngamruengphong S, Messallam A, Abdelgalil A, Saxena P, Tieu AH, Raja S, Stein E, Dhalla S, Garcia P, Singh VK, Pasricha PJ, Kalloo AN, Clarke JO.

Gastrointest Endosc. 2016 Jan;83(1):117-25. doi: 10.1016/j.gie.2015.06.013. Epub 2015 Jul 26.


EUS-guided rescue of early dislodgement of a lumen-apposing stent.

Ngamruengphong S, Kumbhari V, Tieu AH, Haito-Chavez Y, El-Zein MH, Aguila G, Khashab MA.

Gastrointest Endosc. 2015 Dec;82(6):1124. doi: 10.1016/j.gie.2015.06.009. Epub 2015 Jul 11. No abstract available.


Peroral endoscopic myotomy (POEM) vs laparoscopic Heller myotomy (LHM) for the treatment of Type III achalasia in 75 patients: a multicenter comparative study.

Kumbhari V, Tieu AH, Onimaru M, El Zein MH, Teitelbaum EN, Ujiki MB, Gitelis ME, Modayil RJ, Hungness ES, Stavropoulos SN, Shiwaku H, Kunda R, Chiu P, Saxena P, Messallam AA, Inoue H, Khashab MA.

Endosc Int Open. 2015 Jun;3(3):E195-201. doi: 10.1055/s-0034-1391668. Epub 2015 Apr 13.


Double peroral endoscopic myotomy for achalasia.

Kumbhari V, Tieu AH, Azola A, Saxena P, Ngamruengphong S, El Zein MH, Khashab MA.

Gastrointest Endosc. 2015 Nov;82(5):953. doi: 10.1016/j.gie.2015.05.036. Epub 2015 Jun 25. No abstract available.


Novel endoscopic approach for a large intraluminal duodenal ("windsock") diverticulum.

Kumbhari V, Tieu AH, Azola A, Ngamruengphong S, El Zein MH, Khashab MA.

Gastrointest Endosc. 2015 Nov;82(5):961. doi: 10.1016/j.gie.2015.05.055. Epub 2015 Jun 25. No abstract available.


EUS-guided gastrojejunostomy for management of complete gastric outlet obstruction.

Khashab MA, Tieu AH, Azola A, Ngamruengphong S, El Zein MH, Kumbhari V.

Gastrointest Endosc. 2015 Oct;82(4):745. doi: 10.1016/j.gie.2015.05.017. Epub 2015 Jun 16. No abstract available.


Intraprocedural fluoroscopy to determine the extent of the cardiomyotomy during per-oral endoscopic myotomy (with video).

Kumbhari V, Besharati S, Abdelgelil A, Tieu AH, Saxena P, El-Zein MH, Ngamruengphong S, Aguila G, Kalloo AN, Khashab MA.

Gastrointest Endosc. 2015;81(6):1451-6. doi: 10.1016/j.gie.2015.01.052. Epub 2015 Apr 14.


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