Riad Azar

2017

A clinically feasible multiplex proteomic immunoassay as a novel functional diagnostic for pancreatic ductal adenocarcinoma

Lim, K. H., Langley, E., Gao, F., Luo, J., Li, L., Meyer, G., Kim, P., Singh, S., Kushnir, V. M., Early, D. S., Mullady, D. K., Edmundowicz, S. A., Wani, S., Murad, F. M., Cao, D., Azar, R. R. & Wang-Gillam, A., 2017, In: Oncotarget. 8, 15, p. 24250-24261 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Foreign body ingestion causing recurrent diverticulitis

Nicolas, G. N., Assaker, R., Saliba, C., Osman, D. R., Khoury, E., Farhat, M. A., Azar, R. R. & Khoury, G., Oct 20 2017, In: American Journal of Case Reports. 18, p. 1123-1125 3 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus 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, D. S., Collins, B., Marshall, C., Sams, S., Yen, R., Rizeq, M., Romanas, M., Nawaz, S., Ulusarac, O., Hollander, T., Wilson, R. H., Simon, V. C., Kushnir, V., Amateau, S. K., Brauer, B. C., Gaddam, S., Azar, R. R., Komanduri, S., & 6 othersShah, R., Das, A., Edmundowicz, S., Muthusamy, V. R., Rastogi, A. & Wani, S., Jul 2017, In: Clinical Gastroenterology and Hepatology. 15, 7, p. 1071-1078.e2

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

2016

Evaluation of patients with abnormalities on intraoperative cholangiogram: Time to abandon endoscopic retrograde cholangiopancreatography as the initial follow-up study

Bill, J. G., Kushnir, V. M., Mullady, D. K., Murad, F. M., Azar, R. R., Easler, J. J., Early, D. S. & Edmundowicz, S. A., Apr 2016, In: Frontline Gastroenterology. 7, 2, p. 105-109 5 p.

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Predictors for Surgical Referral in Patients with Pancreatic Cystic Lesions Undergoing Endoscopic Ultrasound: Results from a Large Multicenter Cohort Study

Ge, P. S., Gaddam, S., Keach, J. W., Mullady, D., Fukami, N., Edmundowicz, S. A., Azar, R. R., Shah, R. J., Murad, F. M., Kushnir, V. M., Ghassemi, K. F., Sedarat, A., Watson, R. R., Amateau, S. K., Brauer, B. C., Yen, R. D., Hosford, L., Hollander, T., Donahue, T. R., Schulick, R. D., & 7 othersEdil, B. H., McCarter, M. D., Gajdos, C., Attwell, A. R., Muthusamy, V. R., Early, D. S. & Wani, S., Jan 1 2016, In: Pancreas. 45, 1, p. 51-57 7 p.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

2015

Compliance with surveillance recommendations for foregut subepithelial tumors is poor: Results of a prospective multicenter study

Kushnir, V. M., Keswani, R. N., Hollander, T. G., Kohlmeier, C., Mullady, D. K., Azar, R. R., Murad, F. M., Komanduri, S., Edmundowicz, S. A. & Early, D. S., Jun 1 2015, In: Gastrointestinal endoscopy. 81, 6, p. 1378-1384 7 p.

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Efficacy of endoscopic mucosal resection for management of small duodenal neuroendocrine tumors

Shroff, S. R., Kushnir, V. M., Wani, S. B., Gupta, N., Jonnalagadda, S. S., Murad, F., Early, D. S., Mullady, D. K., Edmundowicz, S. A. & Azar, R. R., Nov 11 2015, In: Surgical Laparoscopy, Endoscopy and Percutaneous Techniques. 25, 5, p. e134-e139

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Suboptimal accuracy of carcinoembryonic antigen in differentiation of mucinous and nonmucinous pancreatic cysts: results of a large multicenter study

Gaddam, S., Ge, P. S., Keach, J. W., Mullady, D., Fukami, N., Edmundowicz, S. A., Azar, R. R., Shah, R. J., Murad, F. M., Kushnir, V. M., Watson, R. R., Ghassemi, K. F., Sedarat, A., Komanduri, S., Jaiyeola, D. M., Brauer, B. C., Yen, R. D., Amateau, S. K., Hosford, L., Hollander, T., & 9 othersDonahue, T. R., Schulick, R. D., Edil, B. H., Mccarter, M., Gajdos, C., Attwell, A., Muthusamy, V. R., Early, D. S. & Wani, S., Dec 1 2015, In: Gastrointestinal endoscopy. 82, 6, p. 1060-1069 10 p.

Research output: Contribution to journal › Article › peer-review

64 Scopus 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, D. S., Rastogi, A., Collins, B., Wang, J. F., Marshall, C., Sams, S. B., Yen, R., Rizeq, M., Romanas, M., Ulusarac, O., Brauer, B., Attwell, A., Gaddam, S., Hollander, T. G., Hosford, L., Johnson, S., Kushnir, V., Amateau, S. K., & 7 othersKohlmeier, C., Azar, R. R., Vargo, J., Fukami, N., Shah, R. J., Das, A. & Edmundowicz, S. A., Oct 2015, In: American Journal of Gastroenterology. 110, 10, p. 1429-1439 11 p.

Research output: Contribution to journal › Article › peer-review

101 Scopus citations

2014

Advanced Colorectal Adenomas in Patients Under 45 Years of Age Are Mostly Sporadic

Kushnir, V. M., ILKe Nalbantoglu, N., Watson, R., Goodwin, J., Safar, E., Chokshi, R. V., Azar, R. R. & Davidson, N. O., Nov 18 2014, In: Digestive diseases and sciences. 59, 11, p. 2757-2764 8 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

2013

Learning curves for EUS by using cumulative sum analysis: Implications for American Society for Gastrointestinal Endoscopy recommendations for training

Wani, S., Coté, G. A., Keswani, R., Mullady, D., Azar, R., Murad, F., Edmundowicz, S., Komanduri, S., McHenry, L., Al-Haddad, M. A., Hall, M., Hovis, C. E., Hollander, T. G. & Early, D., Apr 2013, In: Gastrointestinal endoscopy. 77, 4, p. 558-565 8 p.

Research output: Contribution to journal › Article › peer-review

107 Scopus citations

Long-term outcomes after single-balloon enteroscopy in patients with obscure gastrointestinal bleeding

Kushnir, V. M., Tang, M., Goodwin, J., Hollander, T. G., Hovis, C. E., Murad, F. M., Mullady, D. K., Azar, R. R., Jonnalagadda, S. S., Early, D. S., Edmundowiz, S. A. & Chen, C. H., Sep 2013, In: Digestive diseases and sciences. 58, 9, p. 2572-2579 8 p.

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Sensitivity of endoscopic ultrasound, multidetector computed tomography, and magnetic resonance cholangiopancreatography in the diagnosis of pancreas divisum: A tertiary center experience

Kushnir, V. M., Wani, S. B., Fowler, K., Menias, C., Varma, R., Narra, V., Hovis, C., Murad, F. M., Mullady, D. K., Jonnalagadda, S. S., Early, D. S., Edmundowicz, S. A. & Azar, R. R., Apr 2013, In: Pancreas. 42, 3, p. 436-441 6 p.

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

2012

Diagnostic yield of malignancy during EUS-guided FNA of solid lesions with and without a stylet: A prospective, single blind, randomized, controlled trial

Wani, S., Early, D., Kunkel, J., Leathersich, A., Hovis, C. E., Hollander, T. G., Kohlmeier, C., Zelenka, C., Azar, R., Edmundowicz, S., Collins, B., Liu, J., Hall, M. & Mullady, D., Aug 2012, In: Gastrointestinal endoscopy. 76, 2, p. 328-335 8 p.

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Use of a pancreatic duct stent or guidewire facilitates bile duct access with low rates of precut sphincterotomy: A randomized clinical trial

Coté, G. A., Mullady, D. K., Jonnalagadda, S. S., Keswani, R. N., Wani, S. B., Hovis, C. E., Ammar, T., Al-Lehibi, A., Edmundowicz, S. A., Komanduri, S. & Azar, R. R., Dec 1 2012, In: Digestive diseases and sciences. 57, 12, p. 3271-3278 8 p.

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

2011

A single-institution review of 157 patients presenting with benign and malignant tumors of the ampulla of Vater: Management and outcomes

Hornick, J. R., Johnston, F. M., Simon, P. O., Younkin, M., Chamberlin, M., Mitchem, J. B., Azar, R. R., Linehan, D. C., Strasberg, S. M., Edmundowicz, S. A. & Hawkins, W. G., Aug 2011, In: Surgery. 150, 2, p. 169-176 8 p.

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Endoscopic ultrasound for early stage esophageal adenocarcinoma: Implications for staging and survival

Crabtree, T. D., Yacoub, W. N., Puri, V., Azar, R., Zoole, J. B., Patterson, G. A., Krupnick, A. S., Kreisel, D. & Meyers, B. F., May 2011, In: Annals of Thoracic Surgery. 91, 5, p. 1509-1516 8 p.

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Obesity as a risk factor for sedation-related complications during propofol-mediated sedation for advanced endoscopic procedures

Wani, S., Azar, R., Hovis, C. E., Hovis, R. M., Cote, G. A., Hall, M., Waldbaum, L., Kushnir, V., Early, D., Mullady, D. K., Murad, F., Edmundowicz, S. A. & Jonnalagadda, S. S., Dec 2011, In: Gastrointestinal endoscopy. 74, 6, p. 1238-1247 10 p.

Research output: Contribution to journal › Article › peer-review

88 Scopus citations

Response

Coté, G. A. & Azar, R. R., May 2011, In: Gastrointestinal endoscopy. 73, 5, p. 1071 1 p.

Research output: Contribution to journal › Letter › peer-review

Open Access

Timing of endoscopy after extracorporeal shock wave lithotripsy for chronic pancreatitis

Merrill, J. T., Mullady, D. K., Early, D. S., Azar, R. R., Edmundowicz, S. A. & Jonnalagadda, S. S., Oct 1 2011, In: Pancreas. 40, 7, p. 1087-1090 4 p.

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Training in EUS-guided fine needle aspiration: Safety and diagnostic yield of attending supervised, trainee-directed FNA from the onset of training

Coté, G. A., Hovis, C. E., Kohlmeier, C., Ammar, T., Al-Lehibi, A., Azar, R. R., Edmundowicz, S. A., Mullady, D. K., Krigman, H., Ylagan, L., Hull, M. & Early, D. S., 2011, In: Diagnostic and Therapeutic Endoscopy. 378540.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Scopus citations

2010

A screening instrument for sleep apnea predicts airway maneuvers in patients undergoing advanced endoscopic procedures

Coté, G. A., Hovis, C. E., Hovis, R. M., Waldbaum, L., Early, D. S., Edmundowicz, S. A., Azar, R. R., Mullady, D. K. & Jonnalagadda, S. S., Aug 2010, In: Clinical Gastroenterology and Hepatology. 8, 8, p. 660-665.e1

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Balloon-assisted peroral cholangioscopy by using an 8.8-mm gastroscope for the diagnosis of Mirizzi syndrome

Coté, G. A., Azar, R. R., Edmundowicz, S. A. & Jonnalagadda, S. S., Jan 2010, In: Gastrointestinal endoscopy. 71, 1, p. 181-182 2 p.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Difficult biliary cannulation: use of physician-controlled wire-guided cannulation over a pancreatic duct stent to reduce the rate of precut sphincterotomy (with video)

Coté, G. A., Ansstas, M., Pawa, R., Edmundowicz, S. A., Jonnalagadda, S. S., Pleskow, D. K. & Azar, R. R., Feb 2010, In: Gastrointestinal endoscopy. 71, 2, p. 275-279 5 p.

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Fiducial placement for stereotactic radiation by using EUS: feasibility when using a marker compatible with a standard 22-gauge needle

Ammar, T., Coté, G. A., Creach, K. M., Kohlmeier, C., Parikh, P. J. & Azar, R. R., Mar 2010, In: Gastrointestinal endoscopy. 71, 3, p. 630-633 4 p.

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Findings at endoscopic retrograde cholangiopancreatography after endoscopic treatment of postcholecystectomy bile leaks

Coté, G. A., Ansstas, M., Shah, S., Keswani, R. N., Alkade, S., Jonnalagadda, S. S., Edmundowicz, S. A. & Azar, R. R., Jul 2010, In: Surgical endoscopy. 24, 7, p. 1752-1756 5 p.

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Incidence of Sedation-Related Complications With Propofol Use During Advanced Endoscopic Procedures

Coté, G. A., Hovis, R. M., Ansstas, M. A., Waldbaum, L., Azar, R. R., Early, D. S., Edmundowicz, S. A., Mullady, D. K. & Jonnalagadda, S. S., Feb 2010, In: Clinical Gastroenterology and Hepatology. 8, 2, p. 137-142 6 p.

Research output: Contribution to journal › Article › peer-review

196 Scopus citations

Nearly missed GI stromal tumor: EUS diagnosis of a jejunal GI stromal tumor mistaken for a pancreatic mass on CT

Kularatna, G., Azar, R. R., Mullady, D. K., Anderson, C. D. & Gru, A. A., May 2010, In: Gastrointestinal endoscopy. 71, 6, p. 1065-1066 2 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Physician-controlled wire-guided cannulation of the minor papilla

Maple, J. T., Mansour, L., Ammar, T., Ansstas, M., Coté, G. A. & Azar, R. R., 2010, In: Diagnostic and Therapeutic Endoscopy. 629308.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Response

Ha, C. Y., Shah, R., Chen, J., Azar, R. R., Edmundowicz, S. A. & Early, D. S., May 2010, In: Gastrointestinal endoscopy. 71, 6, p. 1102-1103 2 p.

Research output: Contribution to journal › Letter › peer-review

Open Access

Risk of post-ERCP pancreatitis with placement of self-expandable metallic stents

Cot, G. A., Kumar, N., Ansstas, M., Edmundowicz, S. A., Jonnalagadda, S., Mullady, D. K. & Azar, R. R., Oct 2010, In: Gastrointestinal endoscopy. 72, 4, p. 748-754 7 p.

Research output: Contribution to journal › Article › peer-review

101 Scopus citations

Updated guidelines for live endoscopy demonstrations

Loren, D. E., Azar, R., Charles, R. J., Dumot, J. A., Farooq, F., Gopal, D. V., Jaffe, D. L., Shami, V. M., Sharma, V. K. & Chak, A., Jun 2010, In: Gastrointestinal endoscopy. 71, 7, p. 1105-1107 3 p.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

2009

A gastroenterology consult

Nguyen, Y., Kerr, T. & Azar, R., Jan 1 2009, Neurocritical Care. Cambridge University Press, p. 372-380 9 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Carbon dioxide insufflation during ERCP for reduction of postprocedure pain: a randomized, double-blind, controlled trial

Maple, J. T., Keswani, R. N., Hovis, R. M., Saddedin, E. Z., Jonnalagadda, S., Azar, R. R., Hagen, C., Thompson, D. M., Waldbaum, L. & Edmundowicz, S. A., Aug 2009, In: Gastrointestinal endoscopy. 70, 2, p. 278-283 6 p.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Diagnosis and management of GI stromal tumors by EUS-FNA: a survey of opinions and practices of endosonographers

Ha, C. Y., Shah, R., Chen, J., Azar, R. R., Edmundowicz, S. A. & Early, D. S., May 2009, In: Gastrointestinal endoscopy. 69, 6, p. 1039-1044.e1

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Introduction

Edmundowicz, S. A., Jonnalagadda, S. & Azar, R., Jan 2009, In: Techniques in Gastrointestinal Endoscopy. 11, 1, p. 1 1 p.

Research output: Contribution to journal › Editorial

Pancreatitis is frequent among patients with side-branch intraductal papillary mucinous neoplasia diagnosed by EUS

Ringold, D. A., Shroff, P., Sikka, S. K., Ylagan, L., Jonnalagadda, S., Early, D. S., Edmundowicz, S. A. & Azar, R., Sep 2009, In: Gastrointestinal endoscopy. 70, 3, p. 488-494 7 p.

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Predicting malignant potential of gastrointestinal stromal tumors using endoscopic ultrasound

Shah, P., Gao, F., Edmundowicz, S. A., Azar, R. R. & Early, D. S., Jun 2009, In: Digestive diseases and sciences. 54, 6, p. 1265-1269 5 p.

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Primary and overall success rates for clinical outcomes after laparoscopic, endoscopic, and open pancreatic cystgastrostomy for pancreatic pseudocysts

Melman, L., Azar, R., Beddow, K., Brunt, L. M., Halpin, V. J., Eagon, J. C., Frisella, M. M., Edmundowicz, S., Jonnalagadda, S. & Matthews, B. D., Feb 2009, In: Surgical endoscopy. 23, 2, p. 267-271 5 p.

Research output: Contribution to journal › Article › peer-review

69 Scopus citations

Reliability of gross visual assessment of specimen adequacy during EUS-guided FNA of pancreatic masses

Nguyen, Y. P., Maple, J. T., Zhang, Q., Ylagan, L. R., Zhai, J., Kohlmeier, C., Jonnalagadda, S., Early, D. S., Edmundowicz, S. A. & Azar, R. R., Jun 2009, In: Gastrointestinal endoscopy. 69, 7, p. 1264-1270 7 p.

Research output: Contribution to journal › Article › peer-review

70 Scopus citations

Routine positron emission tomography does not alter nodal staging in patients undergoing EUS-guided FNA for esophageal cancer

Keswani, R. N., Early, D. S., Edmundowicz, S. A., Meyers, B. F., Sharma, A., Govindan, R., Chen, J., Kohlmeier, C. & Azar, R. R., Jun 2009, In: Gastrointestinal endoscopy. 69, 7, p. 1210-1217 8 p.

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Stenting for malignant colonic obstruction: a comparison of efficacy and complications in colonic versus extracolonic malignancy

Keswani, R. N., Azar, R. R., Edmundowicz, S. A., Zhang, Q., Ammar, T., Banerjee, B., Early, D. S. & Jonnalagadda, S. S., Mar 2009, In: Gastrointestinal endoscopy. 69, 3 SUPPL., p. 675-680 6 p.

Research output: Contribution to journal › Article › peer-review

96 Scopus citations

Wire-assisted access sphincterotomy of the minor papilla

Maple, J. T., Keswani, R. N., Edmundowicz, S. A., Jonnalagadda, S. & Azar, R. R., Jan 2009, In: Gastrointestinal endoscopy. 69, 1, p. 47-54 8 p.

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

2008

Avoiding pneumomediastinum during ERCP after percutaneous transhepatic biliary drainage

Jonnalagadda, S. & Azar, R., Oct 2008, In: Gastrointestinal endoscopy. 68, 4, p. 809 1 p.

Research output: Contribution to journal › Letter › peer-review

1 Scopus citations

Role of endoscopic ultrasound in diagnosis and staging of pancreatic neoplasms

Keswani, R. N. & Azar, R. R., Jan 1 2008, Pancreatic Cancer. Cambridge University Press, p. 130-149 20 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

The impact of endoscopic ultrasonography with fine needle aspiration (EUS-FNA) on esophageal cancer staging: A survey of thoracic surgeons and gastroenterologists

Maple, J. T., Peifer, K. J., Edmundowicz, S. A., Early, D. S., Meyers, B. F., Jonnalagadda, S. & Azar, R. R., 2008, In: Diseases of the Esophagus. 21, 6, p. 480-487 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

2007

Successful endoscopic management of gastrojejunal anastomotic strictures after Roux-en-Y gastric bypass

Peifer, K. J., Shiels, A. J., Azar, R., Rivera, R. E., Eagon, J. C. & Jonnalagadda, S., Aug 2007, In: Gastrointestinal endoscopy. 66, 2, p. 248-252 5 p.

Research output: Contribution to journal › Article › peer-review