Our residents are active in many research and quality improvement projects with faculty here and collaborators at other institutions. Residents are able to utilize the HCA Physician Services national clinical database, and are supported by a research director and research coordinator. Learn more about the support we receive through HCA for scholarly activity and research.
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Recent Publications
To M, Savoj J, Biswas MS. Assessment of contributing risk factors leading to heart failure in methamphetamine user patients Cureus. In Press.
Nguyen KP, Aqui TLB, Milestone H. Factor VII Deficiency and Second Trimester Abortion: A Case Report. Cureus. 2023 Apr 2;15(4):e37039.
Nandakumar S, Ho TD, Zhong L, Afridi M, Ayutyanont Y, Sangodkar S, Biswas MS. Patients with Acute Ischemic Stroke with a History of COVID-19 and Severe COVID-19 Have Worse Outcomes When Compared to Patients with Acute Ischemic Stroke with No History of COVID-19. J Am Coll Cardiol. 2023 Mar, 81 (8_Supplement) 2080.
To M, Afridi M, Savoj J, Iftikhar S, Hu P. Severe Hemolytic Anemia from a Right Coronary Artery Conduit After a Transcatheter Aortic Valve Replacement. J Am Coll Cardiol. 2023 Mar, 81 (8_Supplement) 3762.
Rahmanuddin S, Jamil A, Chaudhry A, Seto T, Brase J, Motarjem P, Khan M, Tomasetti C, Farwa U, Boswell W, Ali H, Guidaben D, Haseeb R, Luo G, Marcucci G, Rosen ST, Cai W. COVID and Cancer: A Complete 3D Advanced Radiological CT-Based Analysis to Predict the Outcome. Cancers (Basel). 2023 Jan 20;15(3):651.
Shahin OK, Shahin HN, Heineke HS, Biswas MS. Abstract 13924: Impact of a Pandemic on Women Diagnosed With Peripartum Cardiomyopathy. Circulation. 2022;146:A13924
To M, Zhang Y, Tompkins A, Chen R, Patankar K, Sangodkar S. A Broken Heart After Witnessing a Dying Heart: A Case of Takotsubo Cardiomyopathy Cureus 14(9): e28752.
Monis C, Totah F, Abdelhalim A, Zhang Y, Barfjani S, Gulati R, Lee A, Paez M. The Curious Case of CA 19-9 in Mirizzi Syndrome (Abstract S1841). The American Journal of Gastroenterology 117(10S):p e1285, October 2022.
Totah F, Kubomoto S, Monis C, Botejue M, Choi E. A Retrospective Study on the Geographic Trends of Eosinophilic Esophagitis (EoE) in the United States. The American Journal of Gastroenterology 117(10S):p S317, October 2022.
Bui C, Collins T, Venkat K, Ayutyanont N, Vickery K, Kubomoto S. Adult Onset Still’s Disease: A Retrospective Study of Objective Manifestations and Outcomes. American College of Rheumatology Converge; 2022 November; San Diego.
Cingam SR, Botejue M, Hoilat GJ, Karanchi H. Gastrinoma. 2022 Sep 26. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan.
Hutchison DM, Hosking AM, Hong EM, Grando SA. Mitochondrial Autoantibodies and the Role of Apoptosis in Pemphigus Vulgaris. Antibodies (Basel). 2022 Aug 25;11(3):55.
Chang J, et al. An Unusual Presentation of Spontaneous Carotid Dissection in a Young Woman: Hypertension Rounds. American Journal of Hypertension. In Press.
Madkour M, Savoj J, Iftikhar S, Waked A. Extensive Coronary Thrombosis as a Sequelae of COVID-19 Presenting as a STEMI Cureus. 2021 May 26;13(5): e15258.
Zackria R, Botejue M, Hwang AW. Primary Duodenal Periampullary Adenocarcinoma: An Uncommon Presentation. Cureus. 2021 Apr 6;13(4):e14323.
Cingam SR, Botejue M, Hoilat GJ, Karanchi H. Gastrinoma. 2021 Feb 20. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan.
Johnson AK, Ghazarian Z, Cendrowski KD, Persichino JG. Invasive pulmonary mucormycosis and aspergillosis in a patient with COVID-19. Mycol Case Rep. 2021 Jun;32:64-67.
Nair GG, Jamal MM, Ayutyanont N, Heineke HS, Kubomoto S. An analysis of acute liver injury and alcoholic hepatitis in COVID-19 patients and in patients without COVID during the COVID-19 pandemic. Gastroenterology. 2021 May; 160(6): S-160.
Zackria R, Hwang AW, Kubomoto S, Heineke HS, Ayutyanont N, Choi EH. Inflammatory bowel disease is associated with significantly worsened clinical outcomes of COVID-19 infection in a retrospective analysis of 78,756 patients across 143 hospitals. Gastroenterology. 2021 May; 160(6): S-331.
Hwang AW, Zackria R, Choi EH, Heineke HS, Ayutyanont N, Kubomoto S. Cirrhosis is associated with significantly worsened clinical outcomes of COVID-19 infection in a retrospective analysis of 23,474 patients across 143 hospitals. Gastroenterology. 2021 May;160(6):S-756.
Daftari D, Savoj J, Skaf G, Gelman S, Ayutyanont N, Heineke H, Biswas M. Who is at risk for cardiomyopathy in COVID-19 J Am Coll Cardiol. 2021 May 11; 77(18): 3034.
Skaf G, Daftari D, Gelman S, Savoj J, Palmatier D, Ayutyanont N, Biswas M, Hu P. Starting a general cardiovascular fellowship at a community hospital significantly improved cath lab quality measures without negatively impacting length of stay. J Am Coll Cardiol. 2021 May, 77 (18_Supplement_1) 3367.
Do J, Mojazi-Amiri H, Heineke HS, Ayutyanont N, McQueen C, Moghadam B, Kubomoto S. Inpatient Hypoglycemia in Patients with Chronic Kidney Disease. J Endocr Soc. 2021 May 3;5(Suppl 1):A427.
Madkour M, El-Sherief K, Hu P, Savoj J. Right Ventricular Enlargement as a Prognostic Marker for Mortality in Patients with COVID-19 Infection. J Am Coll Cardiol. 2021 May 11;77(18):3156.
Schrader M, Jeganathan N, Sathanthan M. Idiopathic pulmonary fibrosis patients admitted to the ICU with respiratory failure – a re-evaluation of the risk factors and outcomes. J Intensive Care Med. 2021 Jan 29:885066621989244.
Zackria R, Lopez RA. Postcholecystectomy Syndrome. StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan.
Botejue M, Zackria R, Chopra R. Swallowed Dental Bridge Refractory to Endoscopic Removal. Journal of Gastroenterology & Digestive Systems. 2020; 4(2), 29-31.
Gelman S, Benin A, Savoj J, Gulati R, Patankar KC, Hu P. A Fistula Where? Left Anterior Descending to Pulmonary Artery Fistula. J Med Cases. 2020;11(10):306-308.
Gelman S, Benin A, Savoj J, Gulati R, Patankar KC. Is the Cath Really Necessary? J Clin Rev Case Rep. 2020;5(8):388-391.
Savoj J, Becerra B, Kim JK, Fusaro M, Gallieni M, Lombardo D, Lau WL. Utility of Cardiac Biomarkers in the Setting of Kidney Disease. Nephron. 2019;141(4):227-235.
Zeleke BG, Biswas ES, Biswas M. Teaching Cardiopulmonary Resuscitation to Young Children (<12 Years Old). Am J Cardiol. 2019 May 15;123(10):1626-1627.
Gupta R, Amanam I, Rahmanuddin S, Mambetsariev I, Wang Y, Huang C, Reckamp K, Vora L, Salgia R. Anaplastic Lymphoma Kinase (ALK)-positive Tumors: Clinical, Radiographic and Molecular Profiles, and Uncommon Sites of Metastases in Patients With Lung Adenocarcinoma. Am J Clin Oncol. 2019 Apr;42(4):337-344.
West BH, Fleming RG, Al Hemyari B, Banankhah P, Meyer K, Rozier LH, Murphy LS, Coluzzi AC, Rusheen JL, Kumar P, Elashoff D, Tobis JM. Relation of Patent Foramen Ovale to Acute Mountain Sickness. Am J Cardiol. 2019 Jun 15;123(12):2022-2025.
Savoj J, Iftikhar S, Burstein S, Hu P. Transcatheter Double Valve-in-Valve Replacement of Aortic and Mitral Bioprosthetic Valves Cardiol Res. 2019 Jun;10(3):193-198.
Iftikhar S, Jamil A, Savoj J, Hu P. Noninvasive Treatment Approach of Radial Pseudoaneurysm. Cardiol Res. 2019 Apr;10(2):131-134.
Johnson AK, Patel FR, Persichino JG. Q Fever in Southern California: 11 Patient Cases from a Community-Based Organization Am J Trop Med Hyg. 2019 Nov;101(5):1185–1186.
Zackria R, Popa A. Transhiatal Herniation as the Cause of Acute Pancreatitis After Toupet Fundoplication. ACG Case Rep J. 2019 Aug 14;6(8):e00156.
Jamil A, Soos MP. Tracheal Bronchus StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Oct 10.
Zackria R, Waheed A. Postcholecystectomy Syndrome StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Jul 4.
Zackria R, John S. Asterixis StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2018 Dec 17.
Jamil A, Kasi A. Cancer, Metastasis to the Lung StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Dec 23.
Jamil A, Kasi A. Pneumatocele. In: StatPearls. Treasure Island (FL): StatPearls Publishing; 2020.
Conference Presentations
Wai M, Hsu E, Weaver C, Chen C, Cornett B, Kubomoto S. Thyroid testing in hospitalized patients with atrial fibrillation. Abstract published at SHM Converge 2023. Abstract 281 Journal of Hospital Medicine. May 25th 2023.
Sangalang B, Cornett B, Zhang Y, Kubomoto S. Hypoglycemia in hospitalized diabetic patients with end-stage renal disease. Abstract published at SHM Converge 2023. Abstract 182 Journal of Hospital Medicine. May 25th 2023.
Totah F, Kubomoto S, Monis C, Khan M, Botejue M, Liu C, Choi E. A retrospective study on the gender differences in the risk of eosinophilic esophagitis (EOE) hospitalizations in patients with asthma Digestive Disease Week; 2023 May; Chicago (IL).
Pham L, Hsu E, Afridi F. Pulmonary Embolism Secondary to Diabetes-Induced Coagulopathy. California Thoracic Society Annual Educational Conference; 2023 March; Monterey, California.
Collins T, Babajanians A, Patel V, Heineke HS, Ayutyanont N, Kubomoto S. Outcomes in Inflammatory Arthropathy Patients Hospitalized for COVID-19 (Poster) European League Against Rheumatism (EULAR) annual meeting. June 2021.
Gelman SZ, Biswas E, Iftikhar S, Maharaj R, Biswas MS. CPR Education Propagation. Start Early! American Heart Association Scientific Sessions 2020. 2020 Nov 13-17.
Ho T, Nishihara K, Patel JK, Zhang X, Kobashigawa J. Do Anti-HLA antibodies pre-heart transplant truly impact post-transplant outcomes? Abstract 13048. Circulation. 2020;142:A13048
Ho T, Nishihara K, Patel JK, Zhang X, Kobashigawa J. Treatment of highly sensitized patients before heart transplant associated with long term post-transplant benefit. Abstract 13046. Circulation. 2020;142:A130
Hanna G, Johnson A, Napatkamon A, Kubomoto S, Biswas M. Hospitalized COVID-19 Patients With Elevated Cardiac Troponin I Have Increased Overall Mortality And Ventilation Requirements. Abstract 15582. Circulation. 2020;142:A15582
Botejue M, Shahsavari D, Schey R, Malik Z, Parkman HP. Straight Leg Raising Improves Hiatal Hernia Detection in Patients Undergoing High Resolution Esophageal Manometry (Presidential Poster Award Winner). American College of Gatroenterology Annual Scientific Meeting. Virtual. October 2020.
Johnson A, Hanna G, Napatkamon A, Biswas MS, Kubomoto S. Hospitalized COVID-19 patients with elevated cardiac troponin I have increased length of stay but similar ventilation time. IDWeek 2020. Philadelphia. October 2020.
Aravagiri AS, Napatkamon A, Sharma S, Collins T, Ubbaonu C, Mufti H. Association between blood product transfusion and the development of hospital acquired infections in patients admitted to the hospital wards. A retrospective case-control study. IDWeek 2020. Philadelphia. October 2020.
Aravagiri A, Kubomoto S, Napatkamon A, Wilson S, Mallela S. Analysis of Etiologies of Aseptic Meningitis within a Nation-Wide Hospital Network. IDWeek 2020. Philadelphia. October 2020.
Jamil A, Kubomoto S, Napatkamon A, Wilson S, Jennings C, Taha ATM, Patel C. Large retrospective study analyzing role of steroids use in intubated angioedema patients. CHEST 2020. Chicago. October 2020.
Hwang AW, Olmedo K, Whitmore M, Popa AS. Implementation of a blood utilization program at a community hospital [abstract]. Hospital Medicine Annual Conference; 2019 Mar 24-27; National Harbor (MD)
Savoj J, Ayutyanont N, Vandever C, Gulati R, Biswas M. Assessment of contributing risk factors leading to heart failure in methamphetamine user patients [abstract 732] American College of Cardiology Annual Meeting. J Am Coll Cardiol. 2019 Mar 12;73(9)(suppl 1).
Savoj J, Mikhail C, Gulati R, Ayutyanont N, Popa AS. New Internal Medicine Residency Program at a Community Hospital Improves Mortality Without Increasing the Cost or Length of Stay (A Two-year followup) [abstract]. Hospital Medicine Annual Conference; 2019 Mar 24-27; National Harbor (MD).
Zackria R, Popa AS, Ayutyanont N, Morrison-Banks E. Establishing residents as teachers curriculum at a new residency program in a community hospital [abstract]. Innovations in Medical Education; 2019 Feb 22-23; Los Angeles (CA).
Kubomoto S, Bunag C, Gulati R. Using a smartphone chat app for communication between residency program leadership and house staff. Poster. Association of Program Directors of Internal Medicine, Spring Conference. Philadelphia. April 2019.
Ho JL, Seigler M, Karlin A, Gulati R. Aripiprazole-induced diabetic ketoacidosis [abstract]. Hospital Medicine Annual Conference; 2019 Mar 24-27; National Harbor (MD)
Ho JL, Gad Y, Popa R. Renal artery thrombosis following synthetic cannabinoid ingestion [abstract]. Hospital Medicine Annual Conference; 2019 Mar 24-27; National Harbor (MD)
Olmedo K, Hwang AW, Whitmore M, Popa A. Decreasing inappropriate blood transfusions Hospital Medicine Annual Conference; 2019 Mar 24-27; National Harbor (MD)
Sharma S, Sadhegi M, Mallela S. Your brain Is fried…..literally [Clinical Vignette First Place Award] American College of Physicians Southern California Meeting; 2019 Oct 12; Carlsbad (CA).
Zackria R. A Troublesome Remnant. American College of Gastroenterology 2019 Meeting. American Journal of Gastroenterology. 114:S788-S789. October 2019.
Zackria R, Hwang AW. A Benign Tumor With a Malignant Course. American College of Gastroenterology 2019 Meeting. American Journal of Gastroenterology. 114: S1447. October 2019
Zackria R, Hwang AW, Sagami J. Median Arcuate Ligament Syndrome: The Ambiguous Cause of Abdominal Pain. American College of Gastroenterology 2019 Meeting. American Journal of Gastroenterology. 114:S1487-S1488. October 2019
Gelman S, Benin A, Ishkhanian R, Singh H, Sharma J, Gulati R. Carney Syndrome: A family no longer cursed. American College of Physicians National Meeting; 2020 Apr 29 – May 1; Los Angeles (CA).
Aravagiri A, Jamerson E, Persichino J. Sometimes we miss the target. American College of Physicians National Meeting; 2020 Apr 29 – May 1; Los Angeles (CA).
Ho J, Hwang AW, Choi E. Gastric volvulus presenting as acute chest pain. American College of Physicians National Meeting; 2020 Apr 29 – May 1; Los Angeles (CA).
Ho J, Duke A. Recurrent fever: Iatrogenic withdrawal syndrome following prolonged sedation. Society of Hospital Medicine Annual Conference; 2020 Apr 16-18; San Diego (CA)
Jamil A, Ibrahim T, Schleuter D, Kubomoto S, Jamil A. A Case Regarding The Aftermath Of Acupuncture. American Thoracic Society 2020. American Journal of Respiratory and Critical Care Medicine 2020;201:A3221.
Gelman S, Kubomoto S. Viral Gastroenteritis and Lymphopenia. American College of Physicians National Meeting; 2020 Apr 29 – May 1; Los Angeles (CA).
Nair G, Hwang AW, Napatkamon A, Lowe D, Kubomoto S. Trends and characteristics of acute care visit for cannabis hyperemesis syndrome in the United States. Digestive Disease Week; 2020 May 2-5; Chicago (IL).
Riverside Community Hospital Quality Improvement Symposium
Bunag C, Youssef H, Zackria R, Aravagiri S, Khau E, Nair G, Popa AS. Stress Ulcer Prophylaxis: To PPI or not to PPI. Poster.
Savoj J, Mikhail C, Gulati G, Napatkamon A, Popa AS. New Internal Medicine residency program at a community hospital improves mortality without increasing the cost or length of stay: A 2-year follow-up. Oral Presentation
Olmedo K, Hwang A, Whitmore M, Popa AS. Decreasing inappropriate blood transfusions. Oral Presentation.
Sharma S, Huang C, Popa R. Evidence based, cost effective, mechanical Venous Thromboembolism prophylaxis for inpatients at Riverside Community Hospital. Poster.
Al hemyari B, Ottinger M, Wu J, Popa AS. Educational classes improve glycemic control in patients with poorly controlled Diabetes Mellitus. Poster.
Jamil A, Luu V, Kaur S, Popa AS. Promotion of Antibiotic Stewardship Through the Use of IDSA Guideline-based Clinical Pathways for HAP and VAP Infections. Poster.
Hwang AW, Jamil A, Ngyuen T, Popa AS. Improvement in notification of positive MRSA results. Poster.
HCA Graduate Medical Education Grants
“Establishing a Residents as Teachers Curriculum at a New Residency Program in a community hospital”, Popa AS, Zackria R, Ayutyanont N, Morrison-Banks E. Internal Medicine. Riverside Community Hospital.
“Laboratory Test Stewardship: Optimizing computerized physician order entry systems to reduce unnecessary laboratory testing”, Popa R, Ho JL, Zain M, Gelman S. Internal Medicine. Riverside Community Hospital.
“Teaching children and their family CPR”, Biswas M, Sabet A, Zeleke BG, Iftikhar S. Internal Medicine. Riverside Community Hospital.
IM Riverside 