Division of Biostatistics
Quality improvement, clinical outcomes, simulation
Biostatistics, research design, epidemiology, diagnostic testing, survey creation, psychometrics, statistics education
Univeristy of Tennessee, Knoxville
PhD in Education (emphasis in Counselor Education)
Intercollegiate Graduate Minor in Statistics
Graduate Certification in Evaluation, Statistics, and Measurement
Yates Dissertation Fellow
University of Tennessee, Knoxville
M.S. in Mental Health Counseling
Bredhold BE, Winters SD, Callison JC, Heidel RE, Allen LM, Hamilton LA.
Impact of the sequence of Norepinephrine and Vasopressin discontinuation in patients recovering from septic shock. Hospital Pharmacy. 2018 Dec 5. [Epub ahead of print]
Stoneman CE, Winters SD, LaBeff LL, Heidel RE, Hamilton LA.
Effect of Vancomycin versus Linezolid on hospital length of stay in patients with suspected or confirmed influenza and bacterial pneumonia. Infectious Disease in Clinical Practice. 2018 Oct. [Epub ahead of print]
Stethen TW, Ghazi YA, Heidel RE, Daley BJ, Barnes L, Patterson D, McLoughlin JM.
Walking to recovery: The effects of missed ambulation events on postsurgical recovery after bowel resection. Journal of Gastrointestinal Oncology. 2018 Oct;9(5):953-961.
Wall JS, Williams AD, Foster JS, Richey T, Stuckey A, Macy S, Wooliver C, Campagna SR, Tague ED, Farmer AT, Lands RH, Martin EB, Heidel RE, Kennel SJ.
Bifunctional amyloid-reactive peptide promotes binding of antibody 11-1F4 to diverse amyloid types and enhances therapeutic efficacy. Proceedings of the National Academy of Sciences of the United States of America. 2018 Oct 30. [Epub ahead of print]
Stethen TW, Ghazi YA, Heidel RE, Daley BJ, Barnes L, McLoughlin JM.
Factors influencing length of stay after elective bowel resection within an enhanced recovery protocol. The American Surgeon. 2018 Jul 1;84(7):1240-1245.
Koszalinski RS, Heidel RE, Thomson CJ, Cochran PD, Nance J, Kaye A.
An exploration of sensation seeking in persons with disabilities in rehabilitation. Rehabilitation Nursing. 2018 May 3. [Epub ahead of print]
Oelschlegel S, Grabeel KL, Tester E, Heidel RE, Russomanno J.
Librarians promoting changes in the health care delivery system through systematic assessment. Medical Reference Services Quarterly. 2018 Apr-Jun;37(2):142-152.
Metheny WP, Jagadish M, Heidel RE.
A 15-year study of trends in authorship by gender in two U.S. Obstetrics and Gynecology journals. Obstetrics and Gynecology. 2018 Apr;131(4):696-699.
Martin EB, Williams AD, Heidel RE, Foster JS, Lands RH, Kennel SJ, Wall JS.
A functional assay to identify amyloidogenic light chains. Amyloid. 2018 Mar 23:1-8.
Leonard K, Oelschlegel S, Tester E, Russomanno J, Heidel RE.
Assessing the print communication and technology attributes of an academic medical center. Health Literacy Research and Practice. 2018 Feb;2(1):e26-e34.
Hutson SP, Darlington CK, Hall JM, Heidel RE, Gaskins S.
Stigma and spiritual well-being among people living with HIV/AIDS in southern Appalachia. Issues in Mental Health Nursing. 2018 Feb 15:1-8.
Grabeel KL, Russomanno J, Oelschlegel S, Tester E, Heidel RE.
Computerized versus hand-scored health literacy tools: A comparison of Simple Measure of Gobbledygook (SMOG) and Flesch-Kincaid in printed patient education materials. Journal of the Medical Library Association. 2018 Jan;106(1):38-45. Epub 2018 Jan 2.
Ramshaw B, Vetrano V, Jagadish M, Forman B, Heidel E, Mancini M.
Laparoscopic approach for the treatment of chronic groin pain after inguinal hernia repair : Laparoscopic approach for inguinodynia. Surgical Endoscopy. 2017 Dec;31(12):5267-5274. Epub 2017 Jun 7.
Towers CV, Trussell J, Heidel RE, Chernicky L, Howard BC.
Incidence of maternal tachycardia during the second stage of labor: A prospective observational cohort study. The Journal of Maternal-Fetal & Neonatal Medicine. 2017 Nov 28:1-11. [Epub ahead of print]
Cavalea AC, Heidel RE, Daley BJ, Lawson CM, Benton DA, McLoughlin JM.
Pneumatosis intestinalis in patients receiving tube feeds. The American Surgeon. 2017 Aug 1;83(8):825-831.
Terry PD, Knight M, Bollig R, Heidel RE, Miller P, Quinn MA, Daley B, Goldman M.
Overreliance on standardized protocols: A pilot study of surgical residents and fellows. The American Surgeon. 2017 May 1;83(5):159-161.
Orucevic A, Bell JL, McNabb AP, Heidel RE.
Oncotype DX breast cancer recurrence score can be predicted with a novel nomogram using clinicopathologic data. Breast Cancer Research and Treatment. 2017 May;163(1):51-61. Epub 2017 Feb 27.
Legendre AM, Kuritz T, Heidel RE, Baylor VM.
Polyprenyl immunostimulant in feline rhinotracheitis: Randomized placebo-controlled experimental and field safety studies. Frontiers in Veterinary Science. 2017 Feb 27;4:24. eCollection 2017.
Legendre AM, Kuritz T, Galyon G, Baylor VM, Heidel RE.
Polyprenyl immunostimulant treatment of cats with presumptive non-effusive feline infectious peritonitis in a field study. Frontiers in Veterinary Science. 2017 Feb 14;4:7. eCollection 2017.
Martin EB, Williams A, Wooliver C, Heidel RE, Adams S, Dunlap J, Ramirez-Alvarado M, Blancas-Mejia LM, Lands RH, Kennel SJ, Wall JS.
Differential recruitment efficacy of patient-derived amyloidogenic and myeloma light chain proteins by synthetic fibrils-A metric for predicting amyloid propensity. PLoS One. 2017 Mar 28;12(3):e0174152. eCollection 2017.
Bhat S, Orucevic A, Woody C, Heidel RE, Bell JL.
Evolving trends and influencing factors in mastectomy decisions. The American Surgeon. 2017 Mar 1;83(3):233-238.
Salomon D, Heidel RE, Kolokythas A, Miloro M, Schlieve T.
Does restriction of public health care dental benefits affect the volume, severity, or cost of dental-related hospital visits? Journal of Oral and Maxillofacial Surgery. 2017 Mar;75(3):467-474. Epub 2016 Oct 29.
Ramshaw B, Forman BR, Moore K, Heidel E, Fabian M, Mancini G, Joshi GP.
Real-world clinical quality improvement for complex abdominal wall reconstruction. Surgical Technology International. 2017 Jan 13;30:155-164.
Wall JS, Williams A, Wooliver C, Martin EB, Cheng X, Heidel RE, Kennel SJ.
Secondary structure propensity and chirality of the amyloidophilic peptide p5 and its analogues impacts ligand binding - In vitro characterization. Biochemistry and Biophysics Reports. 2016 Dec;8:89-99. Epub 2016 Aug 11.
Ramshaw B, Forman B, Heidel E, Dean J, Gamenthaler A, Fabian M.
A Clinical Quality Improvement (CQI) project to improve pain after laparoscopic ventral hernia repair. Surgical Technology International. 2016 Oct 26;XXIX:125-130. Epub 2016 Oct 6.
Gorman EW, Perkel D, Dennis D, Yates J, Heidel RE, Wortham D.
Validation of the HAS-BLED tool in atrial fibrillation patients receiving rivaroxaban. Journal of Atrial Fibrillation. 2016 Aug-Sep;9(2):16-18.
Beierle SP, Heidel E, Lewis J, Stewart E, McLoughlin J.
A novel technique using intraoperative fluoroscopy as a tool to achieve negative margins for wire-guided partial mastectomies. The American Surgeon. 2016 Sep;82(9):236-7.
Hamilton LA, Franks A, Heidel RE, McDonough SL, Suda KJ.
Assessing the value of online learning and social media in pharmacy education. American Journal of Pharmaceutical Education. 2016 Aug 25;80(6):97.
Ramshaw B, Dean J, Forman B, Heidel E, Gamenthaler A, Fabian M.
Can abdominal wall reconstruction be safely performed without drains? The American Surgeon. 2016 Aug;82(8):707-712.
Jagadish M, McNally MM, Heidel RE, Teffeteller S, Arnold JD, Freeman M, Stevens SL, Grandas OH, Goldman MH.
Diabetic foot ulcers: The importance of patient comorbidity recognition and total contact casting in successful wound care. The American Surgeon. 2016 Aug;82(8):733-736.
Jeffcoach DR, Gallegos JJ, Jesty SA, Coan PN, Chen J, Heidel RE, Daley BJ.
Utility of CPR in hemorrhagic shock, a dog model. The Journal of Trauma and Acute Care Surgery. 2016 Jul;81(1):27-33. Epub 2016 Feb 18.
Orucevic A, Heidel RE, Bell JL.
Utilization and impact of 21-gene recurrence score assay for breast cancer in clinical practice across the United States: lessons learned from the 2010 to 2012 National Cancer Data Base analysis. Breast Cancer Research and Treatment. 2016 Jun;157(3):427-35. Epub 2016 May 20.
Schlieve T, Heidel RE, Carlson ER.
Second primary head and neck cancers after non-head and neck primary cancers. Journal of Oral and Maxillofacial Surgery. 2016 May 20. [Epub ahead of print]
McLoughlin J, Nodit L, Heidel RE, Van Meter S, Macy S, Kestler D.
The clinical correlation of PTEN, pAKT, and ODAM in gastrointestinal stromal tumors. Journal of Surgical Research. 2016 May 15;202(2):403-12. Epub 2016 Jan 22.
Causality in statistical power: Isomorphic properties of measurement, research design, effect size, and sample size. Scientifica. 2016;2016:8920418. Epub 2016 Mar 17.
Rumberger LK, Vittetoe D, Cathey L, Bennett H, Heidel RE, Daley BJ.
Improving outcomes in elective colorectal surgery: A single-institution retrospective review. The American Surgeon. 2016 Apr;82(4):325-30.
Martin EB, Williams A, Richey T, Stuckey A, Heidel RE, Kennel SJ, Wall JS.
Comparative evaluation of p5+14 with SAP and peptide p5 by dual-energy SPECT imaging of mice with AA amyloidosis. Scientific Reports. 2016 Mar 3;6:22695.
Cochrane K, Heidel RE, Bell JL, Orucevic A. Adenosquamous carcinoma of the breast, an uncommon diagnosis with poor prognosis – lessons learned from a twelve year analysis of the National Cancer Data Base. Presented at San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX.
Richardson EA, Towers CV, Weitz B, Nieuwoudt C, Heidel RE, Wolfe L. Protein S functional activity and total protein S levels in normal pregnancy. Presented at Central Association of Obstetricians and Gynecologists; 2018 Oct 17-20; Minneapolis, MN.
Frisbee J, Rasnake M, Heidel R. Adverse outcomes associated with potentially inappropriate antibiotic use in heart failure admissions. Presented at IDWeek; 2018 Oct 3-7; San Francisco, CA.
Lorson W, Das A, Heidel R, Shorman M. Microbial epidemiology of infectious endocarditis in the intravenous drug abuse population: A retrospective study in East Tennessee. Presented at IDWeek; 2018 Oct 3-7; San Francisco, CA.
Lorson W, Das A, Heidel R, Shorman M. Factors that increase the likelihood of inpatient mortality in the endocarditis patient; A retrospective study. Presented at American College of Physicians Tennessee Chapter Annual Scientific Meeting; 2018 Oct 26-27; Chattanooga, TN.
van Nes J, Atchley K, Heidel RE, Chuang A, Lewis J, Zite NB. Characteristics of physicians obtaining an MBA. Presented at American College of Obstetrics and Gynecology District V & VII Annual Meeting; 2018 Sep 21-23; Kansas City, MO.
Orucevic A, Heidel R, Bell JL. Using the National Cancer Data Base (NCDB) and Oncotype DX data to predict adjuvant therapy effect on overall survival (OS) of N0 & N1 breast cancer patients. Presented at American Society of Clinical Oncology Annual Meeting; 2018 Jun 1-5; Chicago, IL.
Baveja S, Akpa B, Ferris J, Amin S, McCormack M, Heidel E, Dhand R. A randomized, double dummy, crossover study comparing the bronchodilator effect of formoterol administered by nebulizer versus dry powder inhaler in patients recovering from severe exacerbations of chronic obstructive pulmonary disease. Presented at American Thoracic Society International Conference; 2018 May 18-23; San Diego, CA.
Reynolds BH, Martin E, Williams A, Akpa B, Ferris J, Heidel E, Baveja S, Dhand R. Do plasma levels of biomarkers reflect muscle injury in patients admitted to the floors in acute care hospitals? Presented at American Thoracic Society International Conference; 2018 May 18-23; San Diego, CA.
Beierle S, Russ A, Heidel RE, McCallum S, Kirkpatrick MS, Lewis J. A longitudinal study of correlations between emotional intelligence and resident burnout. Presented at Association of Program Directors in Surgery, Association of Residency Administrators in Surgery, Association for Surgical Education; 2018 May 3-6; Austin, TX.
Sorensen M, Gray JK, Broussard A, Heidel RE, Lavelle R. Atypical urethritis: Should we be testing female patients for this? Presented at 82nd Annual Meeting of the Southeastern Section of the American Urological Association; 2018 Mar 22-25; Orlando, FL.
Monaco A, Lenger S, Upadhyaya N, Heidel E, Kilgore L. Measuring change in student performance on laparoscopic anatomy quiz at beginning and end of obstetrics and gynecology rotation. Presented at Council on Resident Education in Obstetrics and Gynecology & Association of Professors of Gynecology and Obstetrics Annual Meeting; 2018 Feb 28 - Mar 3; National Harbor, MD.
Orucevic A, Heidel RE, Bell JL. Outcomes of patients with invasive breast cancer (IBC) refusing standard cancer treatments: 10-year analysis of the National Cancer Data Base (NCDB). Presented at San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX.
Rose CE, Heidel RE, Bell JL, Orucevic A. Primary neuroendocrine carcinoma of the breast – lessons learned from a ten year analysis of the National Cancer Data Base (NCDB). Presented at San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX.
Trimble H, van Nes J, Roark J, Heidel RE, Reeder C, Klar M, Zite N. A novel method to teach cervical dilation and effacement. Presented at Tennessee Simulation Alliance Annual Conference; 2017 Nov 16-17; Memphis, TN.
Gregory E, Metheny W, Heidel RE, Zite N. Women are underrepresented in national leadership positions in the specialty of obstetrics and gynecology. Presented at Central Association of Obstetricians and Gynecologists 84th Annual Meeting; 2017 Oct 18-21; Scottsdale, AZ.
Patel V, Pasciak A, Burgeois AC, Bradley YC, Heidel RE, Clark CT, Nodit L. Mapping analysis of ghrelin expression and spherules distribution in a porcine model post bariatric radioembolization. Presented at College of American Pathologists, The Pathologists Meeting; 2017 Oct 8-11; National Harbor, MD.
Beierle S, Russ A, Heidel RE, Kirkpatrick B, McCallum S, Lewis J. A correlation between emotional intelligence and burnout in surgical residents. Presented at Tennessee American College of Surgeons Annual Meeting; 2017 Aug 4-6; Nashville, TN.
Schwirian K, Connor RS, Kimball KJ, Heidel RE, Adams SK, Lenger SM, Kilgore LC. Liposomal bupivacaine and pre-operative acetaminophen: Useful in minimally invasive surgery too? Presented at Society of Gynecologic Oncology 48th Annual Meeting on Women’s Cancer; 2017 Mar 12-15; National Harbor, MD.
Bhat SG, Simpson H, Heidel RE, Lewis JM. Utilization of human regenerative tissue matrix: a promising alternative to full thickness skin grafts in select patients undergoing wide local excision. Presented at HemOnc Today Melanoma and Cutaneous Malignancies; 2017 Mar 24-25; New York, NY.
Beierle SP, McLoughlin J, Heidel RE, Casillas M, Russ AJ. Colorectal cancer outcome disparities increase with distance from treating facility. Presented at Academic Surgical Congress; 2017 Feb 7-9; Las Vegas, NV.
Cavalea A, Benton D, Heidel E, Daley B, Lawson C, McLoughlin J. Pneumatosis intestinalis in patients receiving tube feeds. Presented at Southeastern Surgical Congress; 2017 Feb 25-28; Nashville, TN.
Isang EI, Dewald JB, Rasnake MS, Heidel RE. . Presented at 58th American Society of Hematology Annual Meeting and Exposition; 2016 Dec 3-6; San Diego, CA.
Martin EB, Williams A, Heidel RE, Adams S, Lands R, Hanna W, Kennel SJ, Wall JS. A method to predict the amyloidogenic propensity of light chain proteins by measuring binding to synthetic amyloid fibrils. Presented at 58th American Society of Hematology Annual Meeting and Exposition; 2016 Dec 3-6; San Diego, CA.
McLain JM, Daley BJ, Heidel E. The effect of Team STEPPS implementation on trauma ICU rounds. Presented at Trauma Quality Improvement Program Annual Scientific Meeting; 2016 Nov 5-7; Orlando, FL.
Stethen TW, Ghazi Y, Heidel RE, Daley B, Barnes L, McLoughlin JM. Walking to recovery: The effects of missed ambulation on postsurgical recovery. Presented at American College of Surgeons Clinical Congress; 2016 Oct 15-20; Washington, DC.
Bhat S, Heidel R, Bell J, Orucevic A. Influencing factors and evolving trends for contralateral prophylactic mastectomy in breast cancer patients. Presented at 2nd World Congress on Breast Cancer; 2016 Sep 19-21; Phoenix, AZ.
McNeil M, Heidel R, Bell JL, Orucevic A. Factors influencing decisions of breast cancer patients to follow-up on recommendations for genetic counselling - The University of Tennessee Medical Center experience. Presented at 2nd World Congress on Breast Cancer (Invited Lecture); 2016 Sep 19-21; Phoenix, AZ.
Beierle S, Tonks S, Lawson C, McMillen J, Heidel R, Pomy B, Woodman B, Daley B. The use of single dose Cefazolin for tube thoracostomy placement reduces culture proven pneumonia. Presented at American Association for the Surgery of Trauma; 2016 Sep 14-17; Waikoloa, HI.
Bhat SG, Simpson H, Heidel RE, Lewis JM. Utilization of human regenerative tissue matrix: A promising alternative to full thickness skin grafts in select patients undergoing wide local excision. Presented at Tennessee Chapter of American College of Surgeons; 2016 Jul 22-24; Memphis, TN.
Abraham MP, Heidel RE, Smith LM, Daley BJ, Lawson CM. Early thromboprophylaxis trends toward non-operative failure in splenic injury. Presented at Tennessee Chapter of American College of Surgeons; 2016 Jul 22-24; Memphis, TN.
Wall JS, Williams A, Stuckey A, Martin EB, Richey T, Wooliver C, Heidel RE, Cheng X, Kennel SJ. Probing the structural requirements of polybasic peptides for effective and specific amyloid reactivity. Presented at The XVth International Symposium on Amyloidosis (Invited Lecture); 2016 Jul 3-7; Uppsala, Sweden.
Martin EB, Williams A, Wooliver C, Heidel RE, Adams S, Dunlap J, Ramirez-Alvarado M, Blancas-Mejia L, Kennel SJ, Wall JS. Recruitment of human light chain proteins by synthetic fibrils is dependent on disease state and may be used to predict amyloidogenic propensity. Presented at The XVth International Symposium on Amyloidosis (Invited Lecture); 2016 Jul 3-7; Uppsala, Sweden.
Gordon VHL, Dudney T, Dhand R, Shamiyeh J, Heidel RE. Total sleep time strongly correlate with self-reported hospital admissions: An inpatient COPD cohort survey. Presented at SLEEP; 2016 Jun 11-15; Denver, CO.
Wilson GA, Blake GH, Stevens AR, McNabb A, Heidel RE. Comparing medical school training in rural, non-academic settings with training in academic settings: Is there a difference in preparedness for residency? Presented at Society of Teachers of Family Medicine Annual Conference (Invited Lecture); 2016 Apr 30 - May 4; Minneapolis, MN.
Brock TC, White WM, Pickens RB, Winter CA, Heidel RE. Accuracy of staging MRI in patients undergoing robotic-assisted laparoscopic prostatectomy. Presented at Southeastern Section of American Urological Association; 2016 Mar 17-20; Nashville, TN.
Bell JL, Heidel RE, Orucevic A. Axillary surgery in patients with ductal carcinoma in-situ (DCIS) - Analysis of the US National Cancer Data Base (NCDB) from 1998-2012. Presented at Society of Surgical Oncology's 69th Annual Cancer Symposium; 2016 Mar 2-5; Boston, MA.
Zite NB, Trimble HD, van Nes JB, Roake J, Heidel E. A novel cervical model to teach cervical dilation and effacement. Presented at Association of Processors of Gynecology and Obstetrics & Council on Resident Education in Obstetrics and Gynecology Annual Meeting; 2016 Mar 2-5; New Orleans, LA.
Beierle SP, Lewis J, Heidel RE, Stewart E, McLoughlin J. Women in breast surgery - does a shared anatomy equate to a shared interest? Presented at Academic Surgical Congress; 2016 Feb 2-4; Jacksonville, FL.
Beierle S, Heidel E, Lewis J, Stewart E, Bell J, Gray K, LaPinska M, Mancini M, Nelson HS, McLoughlin J. A novel technique using intraoperative fluoroscopy as a tool to achieve negative margins after a wire-guided partial mastectomy. Presented at Southeastern Surgical Congress Annual Scientific Meeting; 2016 Feb 20-23; Atlanta, GA.
Bhat SG, Woody C, Heidel E, Orucevic A, Bell JL. Evolving trends & influencing factors in mastectomy decisions. Presented at Southeastern Surgical Congress Annual Scientific Meeting; 2016 Feb 20-23; Atlanta, GA.
Lamb B, Jeffcoach D, Childress R, Heidel RE, Daley BJ. Acute long bone fractures and the weekend effect. Presented at Southeastern Surgical Congress Annual Scientific Meeting; 2016 Feb 20-23; Atlanta, GA.
Jeffcoach DR, Gallegos JJ, Jesty SA, Coan PN, Chen J, Heidel RE, Daley, BJ. Utility of CPR in hemorrhagic shock, a dog model. Presented at 29th Annual Scientific Assesmly of the Eastern Association for the Surgery of Trauma; 2016 Jan 12-16; San Antonio, TX.Top
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