Cardiothoracic Surgery

Aaron Bettenhausen, MD

Assistant Professor

Personal Statement:

Dr. Bettenhausen was born and raised in Bismarck, ND. The son of a veterinarian, his interest in medicine and surgery was established early in his life. He received his Bachelor of Science in Cell and Molecular Biology from Winona State University in 2012 and medical degree from the University of North Dakota in 2016. Throughout medical school he contributed to research concerning surgical disparities among the Native American populations. His professional interests include aortic surgery, transcatheter valve surgery and surgery for endocarditis. When he is not in the hospital, he enjoys spending time with his wife and cat, cooking, playing guitar and biking.


Cardiothoracic Surgery Residency
UT Health San Antonio, San Antonio, TX - 2016-2022

Medical School
University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND - M.D. - 2012-2016

Winona State University, Winona, MN - B.S. Cell and Molecular Biology, Magna cum laude - 2008-2012


Learning Curve of Laparoscopic Giant Paraesophageal Hernia Repair. 2014 – 2016 Advisor: Syed Osman Ali, MD Impact of Travel Distance on Outcomes for the Surgical Resection of Non-Small Cell Lung Cancer. 2014 – 2015. Advisor: Syed Osman Ali, MD Outcomes of Surgical Coronary Revascularization in Native Americans. 2012 – 2016. Advisor: Cornelius Dyke, MD

Awards & Accomplishments

Dr. Frank E Stinchfield Award Dr. Karl & Carolyn Kaess Scholarship Ray Duggan Scholarship Endowment American Association of Thoracic Surgeons: Member for a Day Society of Thoracic Surgeons: Looking to the Future Clifford and Fern Haugen Scholarship Winona State University Foundation Grant for Student Research


Bettenhausen A, Hui DS. Invited Commentary. Ann Thorac Surg. 2020 Jun;109(6):1944-1945. doi: 10.1016/j.athoracsur.2019.12.007. Epub 2020 Jan 17. PMID: 31958421. Bettenhausen A, Hui DS. Commentary: Swift and safe. J Thorac Cardiovasc Surg. 2020 Apr 18:S0022-5223(20)30960-0. doi: 10.1016/j.jtcvs.2020.04.023. Epub ahead of print. PMID: 32475502. Bettenhausen A, Hui DS. Commentary: Preaching beyond the choir. J Thorac Cardiovasc Surg. 2020 Feb 14:S0022-5223(20)30410-4. doi: 10.1016/j.jtcvs.2020.02.023. Epub ahead of print. PMID: 32336511. Bettenhausen A, Hui DS. Commentary: Nature knows best. J Thorac Cardiovasc Surg. 2019 Oct 24:S0022-5223(19)32271-8. doi: 10.1016/j.jtcvs.2019.10.045. Epub ahead of print. PMID: 31926712. Bettenhausen A, Hui DS. Commentary: Is seeing believing? J Thorac Cardiovasc Surg. 2019 Sep;158(3):e85-e86. doi: 10.1016/j.jtcvs.2019.04.024. Epub 2019 Apr 24. PMID: 31130297. Wang Y, Xu L, Du T, Gao Y, Wu Z, Luo D. A Nomogram Predicting Recurrence and Guiding Adjuvant Radiation for Thymic Carcinoma After Resection. Ann Thorac Surg. 2018;106(1):257-263. doi:10.1016/j.athoracsur.2018.02.009 Anderson E, Glogoza M, Bettenhausen A, Guenther R, Dangerfield D, Jansen R, Newman R, Warne D, Dyke C. Disparities in Cardiovascular Risk Factors in Northern Plains American Indians Undergoing Coronary Artery Bypass Grafting. Health Equity. 2018 Aug 1;2(1):152-160. doi: 10.1089/heq.2018.0021. PMID: 30283862; PMCID: PMC6110186. Hamaji M, Shah R, Ali S, Bettenhausen A, Lee H, Burt B. A meta-analysis of postoperative radiotherapy for Thymic carcinoma. Ann Thorac Surg. 2017;103(5):1668–1675. Fisher B, Glogoza M, Bettenhausen A, Dyke C. Blood transfusion and the benefit/harm inflection point. Eur J Cardiothorac Surg. 2016 May;49(5):1537-8. doi: 10.1093/ejcts/ezv342. Epub 2015 Sep 30. PMID: 26424869. Bettenhausen A, Hamaji M, Burt BM, Ali SO. Pleurectomy and decortication for metastatic renal cell carcinoma. J Thorac Cardiovasc Surg. 2015;150(1):e3-e5. doi:10.1016/j.jtcvs.2015.05.007 Coetzee JF, Gehring R, Bettenhausen AC, Lubbers BV, Toerber SE, Thomson DU, Kukanich B, Apley MD. Attenuation of acute plasma cortisol response in calves following intravenous sodium salicylate administration prior to castration. J Vet Pharmacol Ther. 2007 Aug;30(4):305-13. doi: 10.1111/j.1365-2885.2007.00869.x. PMID: 17610403.