• 5226 Citations
  • 35 Scopus h-Index
19962020

Research output per year

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Article
2020

Risk of Gastrointestinal Bleeding Increases With Combinations of Antithrombotic Agents and Patient Age

Abraham, N. S., Noseworthy, P. A., Inselman, J., Herrin, J., Yao, X., Sangaralingham, L. R., Cornish, G., Ngufor, C. & Shah, N. D., Feb 2020, In : Clinical Gastroenterology and Hepatology. 18, 2, p. 337-346.e19

Research output: Contribution to journalArticle

1 Scopus citations

Successful Use of Intragastric Balloon Therapy as a Bridge to Heart Transplantation

Patel, N. J., Gómez, V., Steidley, D. E., Roust, L., Leoni Moreno, J. C., Abraham, N. S. & Pannala, R., Jan 1 2020, (Accepted/In press) In : Obesity Surgery.

Research output: Contribution to journalArticle

2019

Management of nonvariceal upper gastrointestinal bleeding: Guideline recommendations from the international consensus group

Barkun, A. N., Almadi, M., Kuipers, E. J., Laine, L., Sung, J., Tse, F., Leontiadis, G. I., Abraham, N. S., Calvet, X., Chan, F. K. L., Douketis, J., Enns, R., Gralnek, I. M., Jairath, V., Jensen, D., Lau, J., Lip, G. Y. H., Loffroy, R., Maluf-Filho, F., Meltzer, A. C. & 4 others, Reddy, N., Saltzman, J. R., Marshall, J. K. & Bardou, M., Dec 3 2019, In : Annals of internal medicine. 171, 11, p. 805-822 18 p.

Research output: Contribution to journalArticle

Open Access
9 Scopus citations
2017
18 Scopus citations

Gastrointestinal Safety of Direct Oral Anticoagulants: A Large Population-Based Study

Abraham, N. S., Noseworthy, P., Yao, X., Sangaralingham, L. R. & Shah, N. D., Apr 1 2017, In : Gastroenterology. 152, 5, p. 1014-1022.e1

Research output: Contribution to journalArticle

67 Scopus citations
2016

Direct Comparison of Dabigatran, Rivaroxaban, and Apixaban for Effectiveness and Safety in Nonvalvular Atrial Fibrillation

Noseworthy, P., Yao, X., Abraham, N. S., Sangaralingham, L. R., McBane, R. D. & Shah, N. D., Dec 1 2016, In : Chest. 150, 6, p. 1302-1312 11 p.

Research output: Contribution to journalArticle

110 Scopus citations
218 Scopus citations

Effect of Adherence to Oral Anticoagulants on Risk of Stroke and Major Bleeding Among Patients With Atrial Fibrillation

Yao, X., Abraham, N. S., Caleb Alexander, G., Crown, W., Montori, V. M., Sangaralingham, L. R., Gersh, B. J., Shah, N. D. & Noseworthy, P., 2016, In : Journal of the American Heart Association. 5, 2, p. 1-12 12 p.

Research output: Contribution to journalArticle

191 Scopus citations

Gastrointestinal bleeding secondary to the new anticoagulants

Abraham, N. S. & Horsley-Silva, J. L., Sep 14 2016, (Accepted/In press) In : Current Opinion in Gastroenterology.

Research output: Contribution to journalArticle

8 Scopus citations

Physician cost consciousness and use of low-value clinical services

Grover, M., Abraham, N. S., Chang, Y. H. & Tilburt, J. C., Nov 1 2016, In : Journal of the American Board of Family Medicine. 29, 6, p. 785-792 8 p.

Research output: Contribution to journalArticle

7 Scopus citations

The management of antithrombotic agents for patients undergoing GI endoscopy

ASGE Standards of Practice Committee, Jan 1 2016, In : Gastrointestinal Endoscopy. 83, 1, p. 3-16 14 p.

Research output: Contribution to journalArticle

171 Scopus citations
2015

Comparative risk of gastrointestinal bleeding with dabigatran, rivaroxaban, and warfarin: Population based cohort study

Abraham, N. S., Singh, S., Caleb Alexander, G., Heien, H., Haas, L. R., Crown, W. & Shah, N. D., Apr 24 2015, In : BMJ (Online). 350, h1857.

Research output: Contribution to journalArticle

209 Scopus citations

Complex antithrombotic therapy: Determinants of patient preference and impact on medication adherence

Abraham, N. S., Naik, A. D., Street, R. L., Castillo, D. L., Deswal, A., Richardson, P. A., Hartman, C. M., Shelton, G. & Fraenkel, L., Nov 19 2015, In : Patient Preference and Adherence. 9, p. 1657-1668 12 p.

Research output: Contribution to journalArticle

6 Scopus citations
9 Scopus citations
2014

Association between Helicobacter pylori and Barrett's Esophagus: A case-control study

Fischbach, L. A., Graham, D. Y., Kramer, J. R., Rugge, M., Verstovsek, G., Parente, P., Alsarraj, A., Fitzgerald, S., Shaib, Y., Abraham, N. S., Kolpachi, A., Gupta, S., Vela, M. F., Velez, M., Cole, R., Anand, B. & El Serag, H. B., Mar 2014, In : American Journal of Gastroenterology. 109, 3, p. 357-368 12 p.

Research output: Contribution to journalArticle

35 Scopus citations
7 Scopus citations

Visceral abdominal obesity measured by CT scan is associated with an increased risk of Barrett's oesophagus: A case-control study

El-Serag, H. B., Hashmi, A., Garcia, J., Richardson, P., Alsarraj, A., Fitzgerald, S., Vela, M., Shaib, Y., Abraham, N. S., Velez, M., Cole, R., Rodriguez, M. B., Anand, B., Graham, D. Y. & Kramer, J. R., Feb 1 2014, In : Gut. 63, 2, p. 220-229 10 p.

Research output: Contribution to journalArticle

63 Scopus citations
2013

Dual therapy with infliximab and immunomodulator reduces one-year rates of hospitalization and surgery among veterans with inflammatory bowel disease

Abraham, N. S., Richardson, P., Castillo, D. & Kane, S. V., Oct 1 2013, In : Clinical Gastroenterology and Hepatology. 11, 10, p. 1281-1287 7 p.

Research output: Contribution to journalArticle

18 Scopus citations

Helicobacter pylori-negative gastritis: Prevalence and risk factors

Nordenstedt, H., Graham, D. Y., Kramer, J. R., Rugge, M., Verstovsek, G., Fitzgerald, S., Alsarraj, A., Shaib, Y., Velez, M. E., Abraham, N., Anand, B., Cole, R. & El-Serag, H. B., Jan 1 2013, In : American Journal of Gastroenterology. 108, 1, p. 65-71 7 p.

Research output: Contribution to journalArticle

41 Scopus citations

Risk of Lower and upper gastrointestinal bleeding, transfusions, and hospitalizations with complex antithrombotic therapy in elderly patients

Abraham, N. S., Hartman, C., Richardson, P., Castillo, D., Street, R. L. & Naik, A. D., Oct 22 2013, In : Circulation. 128, 17, p. 1869-1877 9 p.

Research output: Contribution to journalArticle

60 Scopus citations

Waist-to-hip ratio, but not body mass index, is associated with an increased risk of barrett's esophagus in white men

Kramer, J. R., Fischbach, L. A., Richardson, P., Alsarraj, A., Fitzgerald, S., Shaib, Y., Abraham, N. S., Velez, M., Cole, R., Anand, B., Verstovsek, G., Rugge, M., Parente, P., Graham, D. Y. & El-Serag, H. B., Apr 2013, In : Clinical Gastroenterology and Hepatology. 11, 4, p. 373-381.e1

Research output: Contribution to journalArticle

58 Scopus citations
2012

Use of administrative data to identify colorectal liver metastasis

Anaya, D. A., Becker, N. S., Richardson, P. & Abraham, N. S., Jul 1 2012, In : Journal of Surgical Research. 176, 1, p. 141-146 6 p.

Research output: Contribution to journalArticle

15 Scopus citations
2011

Health literacy and decision making styles for complex antithrombotic therapy among older multimorbid adults

Naik, A. D., Street, R. L., Castillo, D. & Abraham, N. S., Dec 1 2011, In : Patient Education and Counseling. 85, 3, p. 499-504 6 p.

Research output: Contribution to journalArticle

28 Scopus citations
2010

ACCF/ACG/AHA 2010 expert consensus document on the concomitant use of proton pump inhibitors and thienopyridines: A focused update of the ACCF/ACG/AHA 2008 expert consensus document on reducing the gastrointestinal risks of antiplatelet therapy and NSAID use: A report of the American College of Cardiology Foundation Task Force on Expert Consensus Documents

Abraham, N. S., Hlatky, M. A., Antman, E. M., Bhatt, D. L., Bjorkman, D. J., Clark, C. B., Furberg, C. D., Johnson, D. A., Kahi, C. J., Laine, L., Mahaffey, K. W., Quigley, E. M., Scheiman, J., Sperling, L. S., Tomaselli, G. F., Harrington, R. A., Bates, E. R., Ferrari, V. A., Fisher, J. D., Gardner, T. J. & 6 others, Gentile, F., Jacobs, A. K., Kaul, S., Moliterno, D. J., Weitz, H. H. & Wesley, D. J., Dec 14 2010, In : Circulation. 122, 24, p. 2619-2633 15 p.

Research output: Contribution to journalArticle

176 Scopus citations

Quality improvement initiative for rapid induction of hypertension control in primary care

Naik, A. D., Rodriguez, E., Rao, R., Teinert, D., Abraham, N. S. & Kalavar, J., Sep 1 2010, In : Circulation: Cardiovascular Quality and Outcomes. 3, 5, p. 558-564 7 p.

Research output: Contribution to journalArticle

1 Scopus citations

Reduced Hospitalization Cost for Upper Gastrointestinal Events That Occur Among Elderly Veterans Who Are Gastroprotected

Abraham, N. S., Hartman, C. & Hasche, J., Apr 1 2010, In : Clinical Gastroenterology and Hepatology. 8, 4, p. 350-356 7 p.

Research output: Contribution to journalArticle

11 Scopus citations

Understanding risk communication through patient narratives about complex antithrombotic therapies

Andreas, D. C., Abraham, N. S., Naik, A. D., Street, R. L. & Sharf, B. F., Aug 1 2010, In : Qualitative Health Research. 20, 8, p. 1155-1165 11 p.

Research output: Contribution to journalArticle

7 Scopus citations

Validation of ICD-9-CM diagnostic codes for inflammatory bowel disease among veterans

Thirumurthi, S., Chowdhury, R., Richardson, P. & Abraham, N. S., Sep 1 2010, In : Digestive diseases and sciences. 55, 9, p. 2592-2598 7 p.

Research output: Contribution to journalArticle

53 Scopus citations
2009

Hospitalizations for inflammatory bowel disease among US military veterans 1975-2006

Sonnenberg, A., Richardson, P. A. & Abraham, N. S., Aug 1 2009, In : Digestive diseases and sciences. 54, 8, p. 1740-1745 6 p.

Research output: Contribution to journalArticle

16 Scopus citations

Pharmaceutical company influence on nonsteroidal anti-inflammatory drug prescribing behaviors.

Naik, A. D., Woofter, A. L., Skinner, J. M. & Abraham, N. S., Apr 2009, In : The American journal of managed care. 15, 4, p. e9-15

Research output: Contribution to journalArticle

9 Scopus citations

Therapeutic intent of proton pump inhibitor prescription among elderly nonsteroidal anti-inflammatory drug users

Dries, A. M., Richardson, P., Cavazos, J. & Abraham, N. S., Sep 1 2009, In : Alimentary Pharmacology and Therapeutics. 30, 6, p. 652-661 10 p.

Research output: Contribution to journalArticle

14 Scopus citations
2008

ACCF/ACG/AHA 2008 expert consensus document on reducing the gastrointestinal risks of antiplatelet therapy and NSAID use: A report of the American College of Cardiology Foundation Task Force on clinical expert consensus documents

Bhatt, D. L., Scheiman, J., Abraham, N. S., Antman, E. M., Chan, F. K. L., Furberg, C. D., Johnson, D. A., Mahaffey, K. W., Quigley, E. M., Harrington, R. A., Bates, E. R., Bridges, C. R., Eisenberg, M. J., Ferrari, V. A., Hlatky, M. A., Kaul, S., Lindner, J. R., Moliterno, D. J., Mukherjee, D., Schofield, R. S. & 4 others, Rosenson, R. S., Stein, J. H., Weitz, H. H. & Wesley, D. J., Oct 28 2008, In : Circulation. 118, 18, p. 1894-1909 16 p.

Research output: Contribution to journalArticle

374 Scopus citations

Barriers to physician adherence to nonsteroidal anti-inflammatory drug guidelines: A qualitative study

Cavazos, J. M., Naik, A. D., Woofter, A. & Abraham, N. S., Sep 1 2008, In : Alimentary Pharmacology and Therapeutics. 28, 6, p. 789-798 10 p.

Research output: Contribution to journalArticle

31 Scopus citations

Effectiveness of national provider prescription of PPI gastroprotection among elderly NSAID users

Abraham, N. S., Hartman, C., Castillo, D., Richardson, P. & Smalley, W., Feb 1 2008, In : American Journal of Gastroenterology. 103, 2, p. 323-332 10 p.

Research output: Contribution to journalArticle

46 Scopus citations

Identification of Helicobacter pylori infected patients, using administrative data

Thirumurthi, S., Desilva, R., Castillo, D. L., Richardson, P. & Abraham, N. S., Dec 1 2008, In : Alimentary Pharmacology and Therapeutics. 28, 11-12, p. 1309-1316 8 p.

Research output: Contribution to journalArticle

8 Scopus citations
125 Scopus citations
25 Scopus citations
2007

Cyclooxygenase-2 selectivity of non-steroidal anti-inflammatory drugs and the risk of myocardial infarction and cerebrovascular accident

Abraham, N. S., El-Serag, H. B., Hartman, C., Richardson, P. & Deswal, A., Apr 1 2007, In : Alimentary Pharmacology and Therapeutics. 25, 8, p. 913-924 12 p.

Research output: Contribution to journalArticle

74 Scopus citations
2006

5F sphincterotomes and 4F sphincterotomes are equivalent for the selective cannulation of the common bile duct

Abraham, N. S., Williams, S. P., Thompson, K., Love, J. R. & MacIntosh, D. G., Apr 1 2006, In : Gastrointestinal endoscopy. 63, 4, p. 615-621 7 p.

Research output: Contribution to journalArticle

10 Scopus citations

Adapting the Rx-Risk-V for mortality prediction in outpatient populations

Johnson, M. L., El-Serag, H. B., Tran, T. T., Hartman, C., Richardson, P. & Abraham, N. S., Aug 1 2006, In : Medical care. 44, 8, p. 793-797 5 p.

Research output: Contribution to journalArticle

35 Scopus citations

Receipt of recommended therapy by patients with advanced colorectal cancer

Abraham, N. S., Gossey, J. T., Davila, J. A., Al-Oudat, S. & Kramer, J. K., Jun 1 2006, In : American Journal of Gastroenterology. 101, 6, p. 1320-1328 9 p.

Research output: Contribution to journalArticle

58 Scopus citations

Validation of administrative data used for the diagnosis of upper gastrointestinal events following nonsteroidal anti-inflammatory drug prescription

Abraham, N. S., Cohen, D. C., Rivers, B. & Richardson, P., Jul 1 2006, In : Alimentary Pharmacology and Therapeutics. 24, 2, p. 299-306 8 p.

Research output: Contribution to journalArticle

33 Scopus citations
2005

Increased use of low anterior resection for veterans with rectal cancer

Abraham, N. S., Davila, J. A., Rabeneck, L., Berger, D. H. & El-Serag, H. B., Jan 1 2005, In : Alimentary Pharmacology and Therapeutics. 21, 1, p. 35-41 7 p.

Research output: Contribution to journalArticle

13 Scopus citations

National adherence to evidence-based guidelines for the prescription of nonsteroidal anti-inflammatory drugs

Abraham, N. S., El-Serag, H. B., Johnson, M. L., Hartman, C., Richardson, P., Ray, W. A. & Smalley, W., Oct 2005, In : Gastroenterology. 129, 4, p. 1171-1178 8 p.

Research output: Contribution to journalArticle

116 Scopus citations

Predicting which patients can resume oral nutrition after percutaneous endoscopic gastrostomy tube placement

Naik, A. D., Abraham, N. S., Roche, V. M. L. & Concato, J., May 1 2005, In : Alimentary Pharmacology and Therapeutics. 21, 9, p. 1155-1161 7 p.

Research output: Contribution to journalArticle

27 Scopus citations

Randomized trial of etidronate plus calcium and vitamin D for treatment of low bone mineral density in Crohn's disease

Siffledeen, J. S., Fedorak, R. N., Siminoski, K., Jen, H., Vaudan, E., Abraham, N., Steinhart, H. & Greenberg, G., Feb 1 2005, In : Clinical Gastroenterology and Hepatology. 3, 2, p. 122-132 11 p.

Research output: Contribution to journalArticle

64 Scopus citations

The role of ciprofloxacin in prolonging polyethylene biliary stent patency: A multicenter, double-blinded effectiveness study

Chan, G., Barkun, J., Barkun, A. N., Valois, E., Cohen, A., Friedman, G., Parent, J., Love, J., Enns, R., Baffis, V., Jabbari, M., Szego, P., Stein, L. & Abraham, N., Apr 1 2005, In : Journal of Gastrointestinal Surgery. 9, 4, p. 481-488 8 p.

Research output: Contribution to journalArticle

16 Scopus citations
2004

Assessing clinical generalizability in sedation studies of upper GI endoscopy

Abraham, N. S., Wieczorek, P., Huang, J., Mayrand, S., Fallone, C. A. & Barkun, A. N., Jul 1 2004, In : Gastrointestinal endoscopy. 60, 1, p. 28-33 6 p.

Research output: Contribution to journalArticle

8 Scopus citations

Bones and Crohn's: Risk factors associated with low bone mineral density in patients with Crohn's disease

Siffledeen, J. S., Fedorak, R. N., Siminoski, K., Jen, H., Vaudan, E., Abraham, N., Seinhart, H. & Greenberg, G., May 1 2004, In : Inflammatory bowel diseases. 10, 3, p. 220-228 9 p.

Research output: Contribution to journalArticle

65 Scopus citations

Endoscopic sphincterotomy by using pure-cut electrosurgical current and the risk of post-ERCP pancreatitis: A prospective randomized trial

MacIntosh, D. G., Love, J. & Abraham, N. S., Oct 1 2004, In : Gastrointestinal endoscopy. 60, 4, p. 551-556 6 p.

Research output: Contribution to journalArticle

35 Scopus citations