Osama Altayar

2024

AGA Clinical Practice Guideline on Fecal Microbiota–Based Therapies for Select Gastrointestinal Diseases

AGA Clinical Guidelines Committee, Mar 2024, In: Gastroenterology. 166, 3, p. 409-434 26 p.

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

Open Access

Clinical predictors of significant findings on EUS for the evaluation of incidental common bile duct dilation

Raza, Z., Altayar, O., Mahmoud, T., Abusaleh, R., Ghazi, R., Early, D., Kushnir, V. M., Lang, G., Sloan, I., Hollander, T., Rajan, E., Storm, A. C., Abu Dayyeh, B. K., Chandrasekhara, V. & Das, K. K., Oct 2024, In: Gastrointestinal endoscopy. 100, 4, p. 670-678.e1

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

Open Access

3 Scopus citations

Infectious Diseases Society of America Guidelines on the Diagnosis of COVID-19: Serologic Testing (September 2020)

Hanson, K. E., Caliendo, A. M., Arias, C. A., Englund, J. A., Hayden, M. K., Lee, M. J., Loeb, M., Patel, R., Altayar, O., Alayli, A. E., Sultan, S., Falck-Ytter, Y., Lavergne, V., Morgan, R. L., Murad, M. H., Bhimraj, A. & Mustafa, R. A., Jun 15 2024, In: Clinical Infectious Diseases. 78, 7, p. e150-e169

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

Open Access

38 Scopus citations

Rapid Guidelines to Address the Changing COVID-19 Pandemic

El Alayli, A., Bhimraj, A., Caliendo, A. M., Arias, C. A., Morgan, D. J., Alabed, F., Lee, F., El Mikati, I. K., Englund, J. A., Amarin, J. Z., Hanson, K. E., Murad, M. H., Lee, M. J., Hayden, M. K., Kalot, M. A., Loeb, M., Altayar, O., Patel, P., Mansour, R. & Morgan, R. L. & 30 others, Mustafa, R. A., Patel, R., Iqneibi, S., Sultan, S., Lavergne, V., Falck-Ytter, Y., Al Ta'ani, O., Humphries, R. M., Duggal, A., McGeer, A. J., Anderson, D. J., Lee, G. M., Varghese, J., Dhindsa, J., Lynch, J. B., Guzman-Cottrill, J., Jain, M. K., Davitkov, P., Liang, S. Y., Cheng, V. C. C., Shumaker, A. H., Gallagher, J. C., O'Horo, J. C., Edwards, K. M., Baden, L. R., Nakamura, M. M., Gandhi, R. T., Shafer, R. W., Shoham, S. & Muller, W. J., Jun 15 2024, In: Clinical Infectious Diseases. 78, 7, p. e81-e82

Research output: Contribution to journal › Review article › peer-review

Response

Altayar, O., Chandrasekhara, V. & Das, K. K., Dec 2024, In: Gastrointestinal endoscopy. 100, 6, p. 1129-1130 2 p.

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

Simultaneous evaluation of the imprecision and inconsistency domains of GRADE can be performed using prediction intervals

Murad, M. H., Morgan, R. L., Falck-Ytter, Y., Mustafa, R. A., Sultan, S., Dahm, P., Siedler, M. R., Altayar, O., Davitkov, P., Naqvi, S. A. A., Riaz, I. B., Wang, Z. & Lin, L., Nov 2024, In: Journal of Clinical Epidemiology. 175, 111543.

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

The Infectious Diseases Society of America Guidelines on the Diagnosis of COVID-19: Molecular Diagnostic Testing (January 2021)

Hanson, K. E., Caliendo, A. M., Arias, C. A., Hayden, M. K., Englund, J. A., Lee, M. J., Loeb, M., Patel, R., Alayli, A. E., Altayar, O., Patel, P., Falck-Ytter, Y., Lavergne, V., Morgan, R. L., Murad, M. H., Sultan, S., Bhimraj, A. & Mustafa, R. A., Jun 15 2024, In: Clinical Infectious Diseases. 78, 7, p. e170-e207

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

Open Access

42 Scopus citations

The Infectious Diseases Society of America Guidelines on the Diagnosis of COVID-19: Antigen Testing (June 2021)

Hanson, K. E., Altayar, O., Caliendo, A. M., Arias, C. A., Englund, J. A., Hayden, M. K., Lee, M. J., Loeb, M., Patel, R., Alayli, A. E., Sultan, S., Falck-Ytter, Y., Lavergne, V., Mansour, R., Morgan, R. L., Murad, M. H., Patel, P., Bhimraj, A. & Mustafa, R. A., Jun 15 2024, In: Clinical Infectious Diseases. 78, 7, p. e208-e229

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

7 Scopus citations

2023

Comparison of the Efficacy and Safety of the FDA-approved Intragastric Balloon Systems in a Clinical Setting

Swei, E., Almuhaidb, A., Sullivan, S., Al-Shahrani, A., D'Souza, F. R., Altayar, O., Bell, S., Maday, R., Wagh, M. S., Mullady, D., Bennett, M., Early, D. & Kushnir, V., Jul 24 2023, In: Journal of Clinical Gastroenterology. 57, 6, p. 578-585 8 p.

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

3 Scopus citations

Height with Age Affects Body Mass Index (BMI) Assessment of Chronic Disease Risk

Holt, P. R., Altayar, O. & Alpers, D. H., Nov 2023, In: Nutrients. 15, 21, 4694.

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

Open Access

10 Scopus citations

2022

AGA Clinical Practice Guideline on Systemic Therapy for Hepatocellular Carcinoma

Su, G. L., Altayar, O., O'Shea, R., Shah, R., Estfan, B., Wenzell, C., Sultan, S. & Falck-Ytter, Y., Mar 2022, In: Gastroenterology. 162, 3, p. 920-934 15 p.

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

Open Access

125 Scopus citations

AGA Technical Review on Systemic Therapies for Hepatocellular Carcinoma

Altayar, O., Shah, R., Chang, C. Y., Falck-Ytter, Y. & Muir, A. J., Mar 2022, In: Gastroenterology. 162, 3, p. 937-951 15 p.

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

Open Access

7 Scopus citations

Gastrointestinal Manifestations of Coronavirus Disease 2019 Across the United States: A Multicenter Cohort Study

Patel, A. P., Sanders, T. K., Prakash, P., Law, J., Alvencar, S., Choi, A., Shah, J., Patel, K., Srivoleti, P., Chauhan, K., Weissman, S., Holzwanger, E., Dhingra, R., Nguyen, M., Kim, D., Sidhu, T., Stallwood, C., Dickstein, A., Parekh, N. & Altayar, O. & 5 others, Ciorba, M. A., Yu, J., Chen, L. A., Tabibian, J. H. & Limketkai, B. N., Jan 2022, In: Gastro Hep Advances. 1, 6, p. 909-915 7 p.

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

Open Access

4 Scopus citations

Systematic Review With Meta-analysis: Safety and Effectiveness of Combining Biologics and Small Molecules in Inflammatory Bowel Disease

Alayo, Q. A., Fenster, M., Altayar, O., Glassner, K. L., Llano, E., Clark-Snustad, K., Patel, A., Kwapisz, L., Yarur, A. J., Cohen, B. L., Ciorba, M. A., Thomas, D., Lee, S. D., Loftus, E. V., Fudman, D. I., Abraham, B. P., Colombel, J. F. & Deepak, P., Jan 1 2022, In: Crohn's and Colitis 360. 4, 1, otac002.

Research output: Contribution to journal › Review article › peer-review

Open Access

56 Scopus citations

2021

AGA Rapid Review and Guideline for SARS-CoV2 Testing and Endoscopy Post-Vaccination: 2021 Update

American Gastroenterological Association, Sep 2021, In: Gastroenterology. 161, 3, p. 1011-1029.e11

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

Open Access

25 Scopus citations

2020

Advancing the Science in Gastric Pre-Neoplasia: Study Design Considerations

Davitkov, P., Altayar, O., Shah, S. C., Gawron, A. J., Mustafa, R. A., Sultan, S. & Morgan, D. R., Feb 2020, In: Gastroenterology. 158, 3, p. 751-759 9 p.

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

Open Access

2 Scopus citations

AGA Clinical Practice Guidelines on Management of Gastric Intestinal Metaplasia

Gupta, S., Li, D., El Serag, H. B., Davitkov, P., Altayar, O., Sultan, S., Falck-Ytter, Y. & Mustafa, R. A., Feb 2020, In: Gastroenterology. 158, 3, p. 693-702 10 p.

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

Open Access

216 Scopus citations

AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia

Ko, C. W., Siddique, S. M., Patel, A., Harris, A., Sultan, S., Altayar, O. & Falck-Ytter, Y., Sep 2020, In: Gastroenterology. 159, 3, p. 1085-1094 10 p.

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

Open Access

109 Scopus citations

AGA Institute Rapid Review and Recommendations on the Role of Pre-Procedure SARS-CoV-2 Testing and Endoscopy

American Gastroenterological Association, Nov 2020, In: Gastroenterology. 159, 5, p. 1935-1948.e5

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

Open Access

41 Scopus citations

AGA Institute Rapid Review of the Gastrointestinal and Liver Manifestations of COVID-19, Meta-Analysis of International Data, and Recommendations for the Consultative Management of Patients with COVID-19

AGA Institute, Jul 2020, In: Gastroenterology. 159, 1, p. 320-334.e27

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

Open Access

312 Scopus citations

AGA Rapid Recommendations for Gastrointestinal Procedures During the COVID-19 Pandemic

AGA Institute, Aug 2020, In: Gastroenterology. 159, 2, p. 739-758.e4

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

Open Access

245 Scopus citations

AGA Technical Review on Gastric Intestinal Metaplasia—Epidemiology and Risk Factors

Altayar, O., Davitkov, P., Shah, S. C., Gawron, A. J., Morgan, D. R., Turner, K. & Mustafa, R. A., Feb 2020, In: Gastroenterology. 158, 3, p. 732-744.e16

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

Open Access

74 Scopus citations

AGA Technical Review on Gastric Intestinal Metaplasia—Natural History and Clinical Outcomes

Gawron, A. J., Shah, S. C., Altayar, O., Davitkov, P., Morgan, D., Turner, K. & Mustafa, R. A., Feb 2020, In: Gastroenterology. 158, 3, p. 705-731.e5

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

Open Access

110 Scopus citations

AGA Technical Review on Gastrointestinal Evaluation of Iron Deficiency Anemia

Rockey, D. C., Altayar, O., Falck-Ytter, Y. & Kalmaz, D., Sep 2020, In: Gastroenterology. 159, 3, p. 1097-1119 23 p.

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

Open Access

40 Scopus citations

Early vs Late Use of Anti-TNFa Therapy in Adult Patients with Crohn Disease: A Systematic Review and Meta-Analysis

Hamdeh, S., Aziz, M., Altayar, O., Olyaee, M., Murad, M. H. & Hanauer, S. B., Dec 1 2020, In: Inflammatory bowel diseases. 26, 12, p. 1808-1818 11 p.

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

22 Scopus citations

Prolonged Wireless pH Monitoring in Patients With Persistent Reflux Symptoms Despite Proton Pump Inhibitor Therapy

Hasak, S., Yadlapati, R., Altayar, O., Sweis, R., Tucker, E., Knowles, K., Fox, M., Pandolfino, J. & Gyawali, C. P., Dec 2020, In: Clinical Gastroenterology and Hepatology. 18, 13, p. 2912-2919 8 p.

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

Open Access

39 Scopus citations

Spotlight: COVID-19 PPE and Endoscopy

AGA, Aug 2020, In: Gastroenterology. 159, 2, p. 759 1 p.

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

Open Access

5 Scopus citations

Spotlight: Gastrointestinal Evaluation of Iron Deficiency Anemia

Ko, C. W., Siddique, S. M., Patel, A., Harris, A., Altayar, O., Kalmaz, D., Falck-Ytter, Y. & Rockey, D. C., Sep 2020, In: Gastroenterology. 159, 3, p. 1096 1 p.

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

Open Access

2019

Fibrosis Changes in the Placebo Arm of NASH Clinical Trials

Altayar, O., Noureddin, N., Thanda Han, M. A., Murad, M. H. & Noureddin, M., Oct 2019, In: Clinical Gastroenterology and Hepatology. 17, 11, p. 2387 1 p.

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

Open Access

3 Scopus citations

Physiologic Adaptation or Cirrhotic Cardiomyopathy: It Is Time for New Definitions!

Altayar, O. & Lisker-Melman, M., Mar 2019, In: Journal of cardiac failure. 25, 3, p. 173-175 3 p.

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

3 Scopus citations

Rates of and Factors Associated With Placebo Response in Trials of Pharmacotherapies for Nonalcoholic Steatohepatitis: Systematic Review and Meta-analysis

Han, M. A. T., Altayar, O., Hamdeh, S., Takyar, V., Rotman, Y., Etzion, O., Lefebvre, E., Safadi, R., Ratziu, V., Prokop, L. J., Murad, M. H. & Noureddin, M., Mar 2019, In: Clinical Gastroenterology and Hepatology. 17, 4, p. 616-629.e26

Research output: Contribution to journal › Review article › peer-review

107 Scopus citations

Transcatheter aortic valve replacement in patients with pure native aortic valve regurgitation: A systematic review and meta-analysis

Haddad, A., Arwani, R., Altayar, O., Sawas, T., Murad, M. H. & de Marchena, E., Jan 2019, In: Clinical Cardiology. 42, 1, p. 159-166 8 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

16 Scopus citations

2018

Treatment Options for Hirsutism: A Systematic Review and Network Meta-Analysis

Barrionuevo, P., Nabhan, M., Altayar, O., Wang, Z., Erwin, P. J., Asi, N., Martin, K. A. & Hassan Murad, M., Apr 1 2018, In: Journal of Clinical Endocrinology and Metabolism. 103, 4, p. 1258-1264 7 p.

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

Open Access

62 Scopus citations

2017

Treatments to prevent bone loss in functional hypothalamic amenorrhea: A systematic review and meta-analysis

Altayar, O., Al Nofal, A., Leon, B. G. C., Prokop, L. J., Wang, Z. & Murad, M. H., May 2017, In: Journal of the Endocrine Society. 1, 5, p. 500-511 12 p.

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

Open Access

14 Scopus citations

2016

Biomarkers for bile acid diarrhoea in functional bowel disorder with diarrhoea: A systematic review and meta-analysis

Valentin, N., Camilleri, M., Altayar, O., Vijayvargiya, P., Acosta, A., Nelson, A. D. & Murad, M. H., Dec 1 2016, In: Gut. 65, 12, p. 1951-1959 9 p.

Research output: Contribution to journal › Review article › peer-review

114 Scopus citations

2015

Accuracy of urea breath test in Helicobacter pylori infection: Meta-analysis

Ferwana, M., Abdulmajeed, I., Alhajiahmed, A., Madani, W., Firwana, B., Hasan, R., Altayar, O., Limburg, P. J., Murad, M. H. & Knawy, B., Jan 28 2015, In: World Journal of Gastroenterology. 21, 4, p. 1305-1314 10 p.

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

Open Access

177 Scopus citations

Bone turnover markers in Paget’s disease of the bone: A Systematic review and meta-analysis

Al Nofal, A. A., Altayar, O., BenKhadra, K., Qasim Agha, O. Q., Asi, N., Nabhan, M., Prokop, L. J., Tebben, P. & Murad, M. H., Jul 30 2015, In: Osteoporosis International. 26, 7, p. 1875-1891 17 p.

Research output: Contribution to journal › Review article › peer-review

71 Scopus citations

Drugs commonly associated with weight change: A systematic review and meta-analysis

Domecq, J. P., Prutsky, G., Leppin, A., Sonbol, M. B., Altayar, O., Undavalli, C., Wang, Z., Elraiyah, T., Brito, J. P., Mauck, K. F., Lababidi, M. H., Prokop, L. J., Asi, N., Wei, J., Fidahussein, S., Montori, V. M. & Murad, M. H., Feb 1 2015, In: Journal of Clinical Endocrinology and Metabolism. 100, 2, p. 363-370 8 p.

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

Open Access

273 Scopus citations

Psychological Therapies in Patients with Irritable Bowel Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Altayar, O., Sharma, V., Prokop, L. J., Sood, A. & Murad, M. H., 2015, In: Gastroenterology Research and Practice. 2015, 549308.

Research output: Contribution to journal › Review article › peer-review

Open Access

40 Scopus citations

2014

Charged particle therapy versus photon therapy for paranasal sinus and nasal cavity malignant diseases: A systematic review and meta-analysis

Patel, S. H., Wang, Z., Wong, W. W., Murad, M. H., Buckey, C. R., Mohammed, K., Alahdab, F., Altayar, O., Nabhan, M., Schild, S. E. & Foote, R. L., Aug 2014, In: The Lancet Oncology. 15, 9, p. 1027-1038 12 p.

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

213 Scopus citations

Comparative systematic review and meta-analysis of compression modalities for the promotion of venous ulcer healing and reducing ulcer recurrence

Mauck, K. F., Asi, N., Elraiyah, T. A., Undavalli, C., Nabhan, M., Altayar, O., Sonbol, M. B., Prokop, L. J. & Murad, M. H., Aug 2014, In: Journal of Vascular Surgery. 60, 2 SUPPL., p. 71S-90S.e2

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

Open Access

86 Scopus citations

Erratum: Using GRADE for evaluating the quality of evidence in hyperbaric oxygen therapy clarifies evidence limitations (Journal of Clinical Epidemiology (2014) 67:1 (65-72))

Murad, M. H., Altayar, O., Bennett, M., Wei, J. C., Claus, P. L., Asi, N., Prokop, L. J., Montori, V. M. & Guyatt, G. H., Oct 1 2014, In: Journal of Clinical Epidemiology. 67, 10, p. 1178 1 p.

Research output: Contribution to journal › Comment/debate

Open Access

Reversible cardiac dysfunction associated with hypocalcemia: A systematic review and meta-analysis of individual patient data

Newman, D. B., Fidahussein, S. S., Kashiwagi, D. T., Kennel, K. A., Kashani, K. B., Wang, Z., Altayar, O. & Murad, M. H., Mar 2014, In: Heart Failure Reviews. 19, 2, p. 199-205 7 p.

Research output: Contribution to journal › Review article › peer-review

64 Scopus citations

Systematic review and meta-analysis of surgical interventions versus conservative therapy for venous ulcers

Mauck, K. F., Asi, N., Undavalli, C., Elraiyah, T. A., Nabhan, M., Altayar, O., Sonbol, M. B., Prokop, L. J. & Murad, M. H., Aug 2014, In: Journal of Vascular Surgery. 60, 2 SUPPL., p. 60S-70S.e2

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

Open Access

47 Scopus citations

The benefits and harms of systemic dehydroepiandrosterone (DHEA) in postmenopausal women with normal adrenal function: A systematic review and meta-analysis

Elraiyah, T., Sonbol, M. B., Wang, Z., Khairalseed, T., Asi, N., Undavalli, C., Nabhan, M., Altayar, O., Prokop, L., Montori, V. M. & Murad, M. H., Oct 1 2014, In: Journal of Clinical Endocrinology and Metabolism. 99, 10, p. 3536-3542 7 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

80 Scopus citations

The benefits and harms of systemic testosterone therapy in postmenopausal women with normal adrenal function: A systematic review and meta-analysis

Elraiyah, T., Sonbol, M. B., Wang, Z., Khairalseed, T., Asi, N., Undavalli, C., Nabhan, M., Firwana, B., Altayar, O., Prokop, L., Montori, V. M. & Murad, M. H., Oct 1 2014, In: Journal of Clinical Endocrinology and Metabolism. 99, 10, p. 3543-3550 8 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

69 Scopus citations

Using GRADE for evaluating the quality of evidence in hyperbaric oxygen therapy clarifies evidence limitations

Murad, M. H., Altayar, O., Bennett, M., Wei, J. C., Claus, P. L., Asi, N., Prokop, L. J., Montori, V. M. & Guyatt, G. H., Jan 2014, In: Journal of Clinical Epidemiology. 67, 1, p. 65-72 8 p.

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

23 Scopus citations

2013

Midodrine for orthostatic hypotension: A systematic review and meta-analysis of clinical trials

Parsaik, A. K., Singh, B., Altayar, O., Mascarenhas, S. S., Singh, S. K., Erwin, P. J. & Murad, M. H., Nov 2013, In: Journal of general internal medicine. 28, 11, p. 1496-1503 8 p.

Research output: Contribution to journal › Review article › peer-review

63 Scopus citations

Rectal nonsteroidal anti-inflammatory drugs are superior to pancreatic duct stents in preventing pancreatitis after endoscopic retrograde cholangiopancreatography: A network meta-analysis

Akbar, A., Abu Dayyeh, B. K., Baron, T. H., Wang, Z., Altayar, O. & Murad, M. H., Jul 2013, In: Clinical Gastroenterology and Hepatology. 11, 7, p. 778-783 6 p.

Research output: Contribution to journal › Review article › peer-review

99 Scopus citations

Osama Altayar

Research output

Search results