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Riad Raymond Azar, MD

Associate Professor, Medicine
Division of Gastroenterology
Director of Endoscopic Ultrasound

Specialty Areas

Gastroenterology

Hospital Affiliations

Barnes-Jewish Hospital

Areas of Clinical Interest

Biliary and Pancreatic Disease (ERCP), Staging and Palliation of Gastrointestinal Malignancies, Endosonography (EUS), Pancreatitis, Colonoscopy, Complications of Cholecystectomy, Interventional/biliary endoscopy, Endoscopic ultrasound.

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

Center for Advanced Medicine
Endoscopy Center

4921 Parkview Place
St. Louis, MO 63110

Suite: B
Floor: 10
Office Phone: 314-747-2066
Fax: 314-747-1277

Barnes-Jewish West County Hospital
Medical Building Two

10 Barnes West Drive
Creve Coeur, MO 63141

Suite: Suite 200
Office Phone: 314-747-2066
Fax: 314-747-1277

Education

Education

Fellowship: Advanced Therapeutic Endoscopy, Harvard University Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts 2002
Fellowship: Gastroenterology, University of Massachusetts Medical School, Worcester, Massachusetts 2001
Residency: University of Connecticut, School of Medicine, Hartford, Connecticut 1995
Medical Degree: Université Saint-Joseph, Faculté de Médecine, Beirut, Lebanon 1994
Residency: University of Massachusetts Medical School, Worcester, Massachusetts 1998

Publication & Research

Publication & Research

A clinically feasible multiplex proteomic immunoassay as a novel functional diagnostic for pancreatic ductal adenocarcinoma.
Lim KH, Langley E, Gao F, Luo J, Li L, Meyer G, Kim P, Singh S, Kushnir VM, Early DS, Mullady DK, Edmundowicz SA, Wani S, Murad FM, Cao D, Azar RR, Wang-Gillam A
Oncotarget. 2017 Apr 11; 8(15)24250-24261. doi: 10.18632/oncotarget.15653.

PMID:
    28445954
    [PubMed - in process]
Related citations


Increasing Number of Passes Beyond 4 Does Not Increase Sensitivity of Detection of Pancreatic Malignancy by Endoscopic Ultrasound-Guided Fine-Needle Aspiration.
Mohamadnejad M, Mullady D, Early DS, Collins B, Marshall C, Sams S, Yen R, Rizeq M, Romanas M, Nawaz S, Ulusarac O, Hollander T, Wilson RH, Simon VC, Kushnir V, Amateau SK, Brauer BC, Gaddam S, Azar RR, Komanduri S, Shah R, Das A, Edmundowicz S, Muthusamy VR, Rastogi A, Wani S
Clin Gastroenterol Hepatol. 2017 Jul; 15(7)1071-1078.e2. doi: 10.1016/j.cgh.2016.12.018.

PMID:
    28025154
    [PubMed - in process]
Related citations


Performance Deficiencies in the Treatment of ST-Elevation Myocardial Infarction in Québec: "Tis But a Part We See, and Not a Whole".
Azar RR, Kadri Z, Waters DD
Can J Cardiol. 2016 Nov; 32(11)1294.e5-1294.e7. doi: 10.1016/j.cjca.2016.04.016.

PMID:
    27523273
    [PubMed - in process]
Related citations


Acute effects of waterpipe smoking on blood pressure and heart rate: a real-life trial.
Azar RR, Frangieh AH, Mroué J, Bassila L, Kasty M, Hage G, Kadri Z
Inhal Toxicol. 2016 Jul; 28(8)339-42. doi: 10.3109/08958378.2016.1171934.

PMID:
    27109645
    [PubMed - in process]
Related citations


The clinical impact of immediate on-site cytopathology evaluation during endoscopic ultrasound-guided fine needle aspiration of pancreatic masses: a prospective multicenter randomized controlled trial.
Wani S, Mullady D, Early DS, Rastogi A, Collins B, Wang JF, Marshall C, Sams SB, Yen R, Rizeq M, Romanas M, Ulusarac O, Brauer B, Attwell A, Gaddam S, Hollander TG, Hosford L, Johnson S, Kushnir V, Amateau SK, Kohlmeier C, Azar RR, Vargo J, Fukami N, Shah RJ, Das A, Edmundowicz SA
Am J Gastroenterol. 2015 Oct; 110(10)1429-39. doi: 10.1038/ajg.2015.262.

PMID:
    26346868
    [PubMed - indexed for MEDLINE]
Related citations


Efficacy of Endoscopic Mucosal Resection for Management of Small Duodenal Neuroendocrine Tumors.
Shroff SR, Kushnir VM, Wani SB, Gupta N, Jonnalagadda SS, Murad F, Early DS, Mullady DK, Edmundowicz SA, Azar RR
Surg Laparosc Endosc Percutan Tech. 2015 Oct; 25(5)e134-9. doi: 10.1097/SLE.0000000000000192.

PMID:
    26271024
    [PubMed - indexed for MEDLINE]
Related citations


Predictors for Surgical Referral in Patients With Pancreatic Cystic Lesions Undergoing Endoscopic Ultrasound: Results From a Large Multicenter Cohort Study.
Ge PS, Gaddam S, Keach JW, Mullady D, Fukami N, Edmundowicz SA, Azar RR, Shah RJ, Murad FM, Kushnir VM, Ghassemi KF, Sedarat A, Watson RR, Amateau SK, Brauer BC, Yen RD, Hosford L, Hollander T, Donahue TR, Schulick RD, Edil BH, McCarter MD, Gajdos C, Attwell AR, Muthusamy VR, Early DS, Wani S
Pancreas. 2016 Jan; 45(1)51-7. doi: 10.1097/MPA.0000000000000386.

PMID:
    26262589
    [PubMed - indexed for MEDLINE]
Related citations


Suboptimal accuracy of carcinoembryonic antigen in differentiation of mucinous and nonmucinous pancreatic cysts: results of a large multicenter study.
Gaddam S, Ge PS, Keach JW, Mullady D, Fukami N, Edmundowicz SA, Azar RR, Shah RJ, Murad FM, Kushnir VM, Watson RR, Ghassemi KF, Sedarat A, Komanduri S, Jaiyeola DM, Brauer BC, Yen RD, Amateau SK, Hosford L, Hollander T, Donahue TR, Schulick RD, Edil BH, McCarter M, Gajdos C, Attwell A, Muthusamy VR, Early DS, Wani S
Gastrointest Endosc. 2015 Dec; 82(6)1060-9. doi: 10.1016/j.gie.2015.04.040.

PMID:
    26077458
    [PubMed - indexed for MEDLINE]
Related citations


Meckel's diverticulum complicated by axial torsion and gangrene.
Hadeed AA, Azar RR, Azar NN, Benninger B
J Surg Case Rep. 2015 Mar 1; 2015(3)pii: rjv008. doi: 10.1093/jscr/rjv008.

PMID:
    25733669
    [PubMed]
Related citations


Compliance with surveillance recommendations for foregut subepithelial tumors is poor: results of a prospective multicenter study.
Kushnir VM, Keswani RN, Hollander TG, Kohlmeier C, Mullady DK, Azar RR, Murad FM, Komanduri S, Edmundowicz SA, Early DS
Gastrointest Endosc. 2015; 81(6)1378-84. doi: 10.1016/j.gie.2014.11.013.

PMID:
    25660977
    [PubMed - indexed for MEDLINE]
Related citations


Prevalence, awareness, treatment, and control of hypertension in Lebanon.
Matar D, Frangieh AH, Abouassi S, Bteich F, Saleh A, Salame E, Kassab R, Azar RR
J Clin Hypertens (Greenwich). 2015 May; 17(5)381-8. doi: 10.1111/jch.12485.

PMID:
    25619545
    [PubMed - indexed for MEDLINE]
Related citations


Advanced colorectal adenomas in patients under 45 years of age are mostly sporadic.
Kushnir VM, Nalbantoglu I, Watson R, Goodwin J, Safar E, Chokshi RV, Azar RR, Davidson NO
Dig Dis Sci. 2014 Nov; 59(11)2757-64. doi: 10.1007/s10620-014-3245-9.

PMID:
    24925148
    [PubMed - indexed for MEDLINE]
Related citations


The curse of target lesion calcification: still active after all these years.
Waters DD, Azar RR
J Am Coll Cardiol. 2014 May 13; 63(18)1855-6. doi: 10.1016/j.jacc.2014.01.035.

PMID:
    24561144
    [PubMed - indexed for MEDLINE]
Related citations


Long-term outcomes after single-balloon enteroscopy in patients with obscure gastrointestinal bleeding.
Kushnir VM, Tang M, Goodwin J, Hollander TG, Hovis CE, Murad FM, Mullady DK, Azar RR, Jonnalagadda SS, Early DS, Edmundowiz SA, Chen CH
Dig Dis Sci. 2013 Sep; 58(9)2572-9. doi: 10.1007/s10620-013-2588-y.

PMID:
    23430372
    [PubMed - indexed for MEDLINE]
Related citations


Sensitivity of endoscopic ultrasound, multidetector computed tomography, and magnetic resonance cholangiopancreatography in the diagnosis of pancreas divisum: a tertiary center experience.
Kushnir VM, Wani SB, Fowler K, Menias C, Varma R, Narra V, Hovis C, Murad FM, Mullady DK, Jonnalagadda SS, Early DS, Edmundowicz SA, Azar RR
Pancreas. 2013 Apr; 42(3)436-41. doi: 10.1097/MPA.0b013e31826c711a.

PMID:
    23211370
    [PubMed - indexed for MEDLINE]
Related citations


Use of a pancreatic duct stent or guidewire facilitates bile duct access with low rates of precut sphincterotomy: a randomized clinical trial.
Coté GA, Mullady DK, Jonnalagadda SS, Keswani RN, Wani SB, Hovis CE, Ammar T, Al-Lehibi A, Edmundowicz SA, Komanduri S, Azar RR
Dig Dis Sci. 2012 Dec; 57(12)3271-8. doi: 10.1007/s10620-012-2269-2.

PMID:
    22732831
    [PubMed - indexed for MEDLINE]
Related citations


Training in EUS-Guided Fine Needle Aspiration: Safety and Diagnostic Yield of Attending Supervised, Trainee-Directed FNA from the Onset of Training.
Coté GA, Hovis CE, Kohlmeier C, Ammar T, Al-Lehibi A, Azar RR, Edmundowicz SA, Mullady DK, Krigman H, Ylagan L, Hull M, Early DS
Diagn Ther Endosc. 2011; 2011378540. doi: 10.1155/2011/378540.

PMID:
    22203780
    [PubMed]
Related citations


Cardiology Research in Lebanon.
Azar RR, Kassab RY
Eur Heart J. 2011 Nov; 32(22)2729-30.

PMID:
    22195298
    [PubMed - indexed for MEDLINE]
Related citations


A single-institution review of 157 patients presenting with benign and malignant tumors of the ampulla of Vater: management and outcomes.
Hornick JR, Johnston FM, Simon PO, Younkin M, Chamberlin M, Mitchem JB, Azar RR, Linehan DC, Strasberg SM, Edmundowicz SA, Hawkins WG
Surgery. 2011 Aug; 150(2)169-76. doi: 10.1016/j.surg.2011.05.012.

PMID:
    21801957
    [PubMed - indexed for MEDLINE]
Related citations


Timing of endoscopy after extracorporeal shock wave lithotripsy for chronic pancreatitis.
Merrill JT, Mullady DK, Early DS, Azar RR, Edmundowicz SA, Jonnalagadda SS
Pancreas. 2011 Oct; 40(7)1087-90. doi: 10.1097/MPA.0b013e3182207d05.

PMID:
    21705946
    [PubMed - indexed for MEDLINE]
Related citations