• 4851 Citations
  • 34 Scopus h-Index
19962017
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Research Output 1996 2017

  • 4851 Citations
  • 34 Scopus h-Index
  • 78 Article
  • 1 Letter
  • 1 Review article
2017
13 Citations (Scopus)
Anticoagulants
Atrial Fibrillation
Registries
Hemorrhage
Stroke
51 Citations (Scopus)

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

Anticoagulants
Hemorrhage
Safety
Population
Confidence Intervals
1 Citation (Scopus)

New clinical paradigms for treating and preventing antiplatelet gastrointestinal bleeding

Abraham, N. S., Nov 1 2017, In : Current Opinion in Gastroenterology. 33, 6, p. 467-472 6 p.

Research output: Contribution to journalReview article

Hemorrhage
Endoscopic Hemostasis
Proton Therapy
Proton Pumps
Risk Management
2016
2 Citations (Scopus)

Dabigatran Versus Warfarin in Relation to Renal Function in Patients with Atrial Fibrillation

Munoz, F. D. C., Yao, X., Abraham, N. S., Bellolio, F., Rabinstein, A., Asirvatham, S. J., McBane, R. D., Gersh, B. J., Shah, N. D. & Noseworthy, P., Jul 5 2016, In : Journal of the American College of Cardiology. 68, 1, p. 129-131 3 p.

Research output: Contribution to journalLetter

Warfarin
Atrial Fibrillation
Kidney
Dabigatran
87 Citations (Scopus)

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

Atrial Fibrillation
Safety
Hemorrhage
Anticoagulants
Propensity Score
184 Citations (Scopus)
Warfarin
Atrial Fibrillation
Safety
Stroke
Hemorrhage
155 Citations (Scopus)

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

Anticoagulants
Atrial Fibrillation
Stroke
Hemorrhage
Warfarin
5 Citations (Scopus)

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

Anticoagulants
Hemorrhage
Risk Management
Knowledge Management
Warfarin
6 Citations (Scopus)

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

Consciousness
Physicians
Costs and Cost Analysis
Guidelines
Sinusitis

Response

Acosta, R. D., Abraham, N. S. & Dewitt, J. M., Jun 1 2016, In : Gastrointestinal Endoscopy. 83, 6, p. 1305-1306 2 p.

Research output: Contribution to journalArticle

131 Citations (Scopus)

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

Fibrinolytic Agents
Endoscopy
Guidelines
Gastrointestinal Endoscopy
Bibliography
2015
198 Citations (Scopus)

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

Warfarin
Cohort Studies
Hemorrhage
Population
Atrial Fibrillation
5 Citations (Scopus)

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

Medication Adherence
Patient Preference
medication
determinants
Patient Participation
6 Citations (Scopus)
Platelet Aggregation Inhibitors
Anticoagulants
Hemorrhage
Hemostatics
Pharmaceutical Preparations
2014
32 Citations (Scopus)

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., 2014, In : American Journal of Gastroenterology. 109, 3, p. 357-368 12 p.

Research output: Contribution to journalArticle

Barrett Esophagus
Helicobacter pylori
Case-Control Studies
Odds Ratio
Confidence Intervals
5 Citations (Scopus)
Epidemiology
Hemorrhage
Vulnerable Populations
Anticoagulants
Patient Participation

Issue Highlights

Abraham, N. S., Feb 2014, In : Clinical Gastroenterology and Hepatology. 12, 2, p. 165-166 2 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)

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 2014, In : Gut. 63, 2, p. 220-229 10 p.

Research output: Contribution to journalArticle

Barrett Esophagus
Abdominal Obesity
Case-Control Studies
Intra-Abdominal Fat
Subcutaneous Fat
2013
16 Citations (Scopus)

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 2013, In : Clinical Gastroenterology and Hepatology. 11, 10, p. 1281-1287 7 p.

Research output: Contribution to journalArticle

Immunologic Factors
Veterans
Inflammatory Bowel Diseases
Hospitalization
Therapeutics
35 Citations (Scopus)

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. S., Anand, B., Cole, R. & El-Serag, H. B., Jan 2013, In : American Journal of Gastroenterology. 108, 1, p. 65-71 7 p.

Research output: Contribution to journalArticle

Gastritis
Helicobacter pylori
Proton Pump Inhibitors
Stomach
Digestive System Endoscopy

Issue highlights

Abraham, N. S., Jun 2013, In : Clinical Gastroenterology and Hepatology. 11, 6, p. 585-586 2 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Novel anticoagulants: Bleeding risk and management strategies

Abraham, N. S. & Castillo, D. L., Nov 2013, In : Current Opinion in Gastroenterology. 29, 6, p. 676-683 8 p.

Research output: Contribution to journalArticle

Risk Management
Anticoagulants
Hemorrhage
Warfarin
Christianity
8 Citations (Scopus)
Coronary Thrombosis
Gastrointestinal Hemorrhage
Acute Coronary Syndrome
Anticoagulants
Hemorrhage
51 Citations (Scopus)

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

Anticoagulants
Hospitalization
Hemorrhage
Veterans
Therapeutics
3 Citations (Scopus)

Simplifying shared decision-making: Physician-patient interactions as negotiations

Abraham, N. S. & Alberts, J. K., Nov 2013, In : Clinical Gastroenterology and Hepatology. 11, 11, p. 1368-1369 2 p.

Research output: Contribution to journalArticle

Physician-Patient Relations
Gastrointestinal Diseases
Negotiating
Decision Making
Physicians
53 Citations (Scopus)

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

Research output: Contribution to journalArticle

Barrett Esophagus
Waist-Hip Ratio
Body Mass Index
Gastroesophageal Reflux
Hiatal Hernia
2012

Issue Highlights

Abraham, N. S., Oct 2012, In : Clinical Gastroenterology and Hepatology. 10, 10, p. 1059 1 p.

Research output: Contribution to journalArticle

85 Citations (Scopus)

Proton pump inhibitors: Potential adverse effects

Abraham, N. S., Nov 2012, In : Current Opinion in Gastroenterology. 28, 6, p. 615-620 6 p.

Research output: Contribution to journalArticle

Proton Pump Inhibitors
clopidogrel
Bone Fractures
Interstitial Nephritis
Clostridium difficile
11 Citations (Scopus)

Shared Decision Making in GI Clinic to Improve Patient Adherence

Abraham, N. S., Naik, A. D. & Street, R. L., Aug 2012, In : Clinical Gastroenterology and Hepatology. 10, 8, p. 825 1 p.

Research output: Contribution to journalArticle

Physician-Patient Relations
Gastrointestinal Diseases
Patient Compliance
Decision Making
15 Citations (Scopus)

Use of administrative data to identify colorectal liver metastasis

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

Research output: Contribution to journalArticle

United States Department of Veterans Affairs
Neoplasm Metastasis
Liver
International Classification of Diseases
Logistic Models
2011
26 Citations (Scopus)

Global graying, colorectal cancer and liver metastasis: New implications for surgical management

Anaya, D. A., Becker, N. S. & Abraham, N. S., Feb 2011, In : Critical Reviews in Oncology/Hematology. 77, 2, p. 100-108 9 p.

Research output: Contribution to journalArticle

Liver Neoplasms
Colorectal Neoplasms
Neoplasm Metastasis
Epidemiology
Liver
26 Citations (Scopus)

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 2011, In : Patient Education and Counseling. 85, 3, p. 499-504 6 p.

Research output: Contribution to journalArticle

Health Literacy
Decision Making
Therapeutics
Physicians
Patient Participation
58 Citations (Scopus)

Novel approaches to perioperative assessment and intervention may improve long-term outcomes after colorectal cancer resection in older adults

Cheema, F. N., Abraham, N. S., Berger, D. H., Albo, D., Taffet, G. E. & Naik, A. D., May 2011, In : Annals of Surgery. 253, 5, p. 867-874 8 p.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Geriatric Assessment
Colorectal Surgery
Geriatrics
Population
14 Citations (Scopus)
clopidogrel
Proton Pump Inhibitors
Hemorrhage
Prescriptions
Omeprazole
2010
169 Citations (Scopus)

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

Thienopyridines
Gastrointestinal Hemorrhage
Proton Pump Inhibitors
Gastrointestinal Diseases
Medical Societies
191 Citations (Scopus)

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

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., Dec 7 2010, In : Journal of the American College of Cardiology. 56, 24, p. 2051-2066 16 p.

Research output: Contribution to journalArticle

Thienopyridines
Gastrointestinal Hemorrhage
Proton Pump Inhibitors
Gastrointestinal Diseases
Medical Societies
133 Citations (Scopus)

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

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., Dec 2010, In : American Journal of Gastroenterology. 105, 12, p. 2533-2549 17 p.

Research output: Contribution to journalArticle

Purinergic P2Y Receptor Antagonists
Piperazines
Thienopyridines
Histamine H2 Antagonists
Aryl Hydrocarbon Hydroxylases
1 Citation (Scopus)

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 2010, In : Circulation: Cardiovascular Quality and Outcomes. 3, 5, p. 558-564 7 p.

Research output: Contribution to journalArticle

Health Care Quality Assurance
Blood Pressure Determination
Veterans Hospitals
Physician-Patient Relations
Program Evaluation
11 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Veterans
Proton Pump Inhibitors
Hospitalization
Costs and Cost Analysis
Anti-Inflammatory Agents
5 Citations (Scopus)

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 2010, In : Qualitative Health Research. 20, 8, p. 1155-1165 11 p.

Research output: Contribution to journalArticle

Communication
Therapeutics
Physicians
Cardiotonic Agents
Focus Groups
48 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

International Classification of Diseases
Veterans
Ulcerative Colitis
Inflammatory Bowel Diseases
Crohn Disease
2009
16 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Veterans
Inflammatory Bowel Diseases
Hospitalization
Age Distribution
Ulcerative Colitis
26 Citations (Scopus)

Management of platelet-directed pharmacotherapy in patients with atherosclerotic coronary artery disease undergoing elective endoscopic gastrointestinal procedures

Becker, R. C., Scheiman, J., Dauerman, H. L., Spencer, F., Rao, S., Sabatine, M., Johnson, D. A., Chan, F., Abraham, N. S. & Quigley, E. M. M., Dec 2009, In : American Journal of Gastroenterology. 104, 12, p. 2903-2917 15 p.

Research output: Contribution to journalArticle

Percutaneous Coronary Intervention
Stents
Coronary Disease
Coronary Artery Disease
Heart Diseases
30 Citations (Scopus)

Management of Platelet-Directed Pharmacotherapy in Patients With Atherosclerotic Coronary Artery Disease Undergoing Elective Endoscopic Gastrointestinal Procedures

Becker, R. C., Scheiman, J., Dauerman, H. L., Spencer, F., Rao, S., Sabatine, M., Johnson, D. A., Chan, F., Abraham, N. S. & Quigley, E. M. M., Dec 8 2009, In : Journal of the American College of Cardiology. 54, 24, p. 2261-2276 16 p.

Research output: Contribution to journalArticle

Percutaneous Coronary Intervention
Stents
Coronary Disease
Coronary Artery Disease
Heart Diseases
9 Citations (Scopus)

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

Research output: Contribution to journalArticle

Drug Prescriptions
Anti-Inflammatory Agents
Physicians
Pharmaceutical Preparations
Interviews
13 Citations (Scopus)

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 2009, In : Alimentary Pharmacology and Therapeutics. 30, 6, p. 652-661 10 p.

Research output: Contribution to journalArticle

Proton Pump Inhibitors
Drug Users
Prescriptions
Anti-Inflammatory Agents
Therapeutics
2008
115 Citations (Scopus)

ACCF/ACG/AHA 2008 expert consensus document on reducing the gastrointestinal risks of antiplatelet therapy and NSAID use

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., Nov 2008, In : American Journal of Gastroenterology. 103, 11, p. 2890-2907 18 p.

Research output: Contribution to journalArticle

Non-Steroidal Anti-Inflammatory Agents
Consensus
Hemorrhage
Therapeutics
Pylorus
361 Citations (Scopus)

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

Non-Steroidal Anti-Inflammatory Agents
Advisory Committees
Consensus
Hemorrhage
Therapeutics
358 Citations (Scopus)

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 : Journal of the American College of Cardiology. 52, 18, p. 1502-1517 16 p.

Research output: Contribution to journalArticle

Non-Steroidal Anti-Inflammatory Agents
Advisory Committees
Consensus
Hemorrhage
Therapeutics
29 Citations (Scopus)

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 2008, In : Alimentary Pharmacology and Therapeutics. 28, 6, p. 789-798 10 p.

Research output: Contribution to journalArticle

Anti-Inflammatory Agents
Guidelines
Physicians
Pharmaceutical Preparations
Drug Prescriptions