The University of Tennessee Graduate School of Medicine, Knoxville



The Department of Surgery

Robert E. Heidel, PhD

Assistant Professor
Division of Biostatistics

Clinical Focus

Quality improvement, clinical outcomes, simulation

Research Focus

Biostatistics, research design, epidemiology, diagnostic testing, survey creation, psychometrics, statistics education

Education

Graduate School

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

Current Publications

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 6. [Epub ahead of print]

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. 2016 Oct 29. [Epub ahead of print]

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.

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 Aug 11. [Epub ahead of print]

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.

Heidel RE.
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.

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 Feb 18. [Epub ahead of print]

Lindquist DE, Rowe AS, Heidel E, Fleming T, Yates JR.
Evaluation of the hemodynamic effects of intravenous amiodarone formulations during the maintenance phase infusion. The Annals of Pharmacotherapy. 2015 Dec;49(12):1317-21. Epub 2015 Sep 28.

Barlow PB, Skolits G, Heidel RE, Metheny W, Smith TL.
Development of the Biostatistics and Clinical Epidemiology Skills (BACES) assessment for medical residents. Postgraduate Medical Journal. 2015 Aug;91(1078):423-30. Epub 2015 Aug 7.

Orucevic A, Curzon M, Curzon C, Heidel RE, McLoughlin JM, Panella T, Bell J.
Breast cancer in elderly Caucasian women-An institution-based study of correlation between breast cancer prognostic markers, TNM stage, and overall survival. Cancers. 2015 Jul 31;7(3):1472-83.

Schaefferkoetter JD, Carlson ER, Heidel RE.
Can 3’-deoxy-3’-(18F) fluorothymidine (FLT) out-perform 2-deoxy-2-(18F) fluoro-D-glucose (FDG) positron emission tomography/computed tomography (PET/CT) in the diagnosis of cervical lymphadenopathy in oral/head and neck cancer patients? Journal of Oral Maxillofacial Surgery . 2015 Jul;73(7):1420-8. Epub 2015 Jan 13.

Moss J, Heidel E, Johnson J, Powell C, Dittrich E, Rawn S, Terry PD, Goldman M, Waters WB, White WM.
Ability of community-based prostate cancer screening to target an appropriate and underserved population. World Journal of Methodology. 2015 Jun 26;5(2):10-2.

Pasciak AS, McElmurray JH, Bourgeois AC, Heidel RE, Bradley YC.
The impact of an Antireflux catheter on target volume particulate distribution in liver-directed embolotherapy: A pilot study. Journal of Vascular and Interventional Radiology. 2015 May;26(5):660-9. Epub 2015 Mar 20.

Faulkner AR, Bourgeois AC, Bradley YC, Hudson KB, Heidel RE, Pasciak AS.
Simulation-based educational curriculum for fluoroscopically guided lumbar puncture improves operator confidence and reduces patient dose. Academic Radiology. 2015 May;22(5):668-673.

Orucevic A, Chen J, McLoughlin JM, Heidel RE, Panella T, Bell J.
Is the TNM staging system for breast cancer still relevant in the era of biomarkers and emerging personalized medicine for breast cancer - An institution's 10-year experience. The Breast Journal . 2015 Mar;21(2):147-54.

Kennel SJ, Macy S, Wooliver C, Huang Y, Richey T, Heidel E, Wall JS.
Phagocyte depletion inhibits AA amyloid accumulation in AEF-induced huIL-6 transgenic mice. Amyloid. 2014 Mar;21(1):45-53.

Draper HM, Farland JB, Heidel RE, May LS, Suda KJ.
Comparison of bacteria isolated from emergency department patients versus hospitalized patients. American Journal of Health-System Pharmacy : Ajhp : Official Journal of The American Society of Health-System Pharmacists . 2013 Dec 1;70(23):2124-8.

Current Presentations

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.

Orucevic A, Heidel RE, Bell JL. Utilization and impact of Oncotype DX 21- gene breast cancer assay in clinical practice across the US: 2010-2012 National Cancer Data Base analysis. Presented at San Antonio Breast Cancer Symposium; 2015 Dec 8-12; San Antonio, TX.

Orucevic A, Heidel RE, Bell JL. Analysis of the National Cancer Data Base 2010-2012 Oncotype DX breast cancer assay: Lessons learned. Presented at San Antonio Breast Cancer Symposium; 2015 Dec 8-12; San Antonio, TX.

Abraham MP, Hinds M, Tayidi I, Jeffcoach DR, Corder JM, Hamilton LA, Lawson CM, Bollig RW, Heidel RE, McMillen JC, Daley BJ. Quetiapine for delirium prophylaxis in high-risk critically ill patients. Presented at Region IV Committee on Trauma Resident Paper Competition; 2015 Nov 20-21; Atlanta, GA.

Rumberger LK, Kolze C, Heidel RE, Himelright I, Spinell J, Findeiss L, Daley B. Improving the accuracy of CT scanning in the diagnosis of small bowel obstruction: To scan or not to scan…again? Presented at American College of Gastroenterology; 2015 Oct 16-21; Honolulu, HI.

Sammons B, Cathey L, Heidel E, Rasnake M. Illicit injection drug use as a risk factor for hospital onset central line-associated bloodstream infection. Presented at Infectious Disease Society of America: ID Week; 2015 Oct 7-11; San Diego, CA.

Ogburn G, Misra N, Rasnake M, Sammons B, Mendez J, Heidel RE. Evaluation of peripheral eosinophilia in patients on Daptomycin. Presented at Infectious Disease Society of America: ID Week; 2015 Oct 7-11; San Diego, CA.

Orucevic A, Curzon M, McLoughlin J, Geddam C, Heidel RE, Desai P, Panella T, Bell J. Breast cancer in elderly patients (70 years and older): The University of Tennessee Medical Center at Knoxville 10 year experience. Presented at World Congress on Breast Cancer; 2015 Aug 3-5; Birmingham, United Kingdom.

Rumberger LK, Vittetoe D, Cathey L, Brown H, Heidel RE, Daley BJ. Implementing a colorectal bundle may improve surgical site infection rates. Presented at American College of Surgeons National Surgical Quality Improvement Program; 2015 Jul 25-28; Chicago, IL.

Bryant SB, Upadhyaya NB, Heidel RE, Hennessy M, Howard B Rodriguez H. Early diagnosis of gestational diabetes mellitus in patients with elevated body mass index. Presented at 63rd American Congress of Obstetricians and Gynecologists Annual Clinical and Scientific Meeting; 2015 May 2-6; San Francisco, CA.

Bourgeois AC, Bradley YC, McElmurray J, Robinson CA, Heidel ER, Pasciak AS. The effect of anti-reflux catheters on pulmonary shunt fraction in patients with hepatocellular carcinoma. Presented at World Conference Interventional Radiology; 2015 May 6-9; New York, NY.

Crownover J, Terrell T, Heidel E, Galloway L, Casmus R. Association between TNF alpha1, TNF alpha2, and APOE G-219T genotypes and post concussion SAC and SCAT2 scores in college athletes. Presented at American Medical Society for Sports Medicine Annual Meeting; 2015 Apr 14-19; Hollywood, FL.

Bourgeois AC, Pasciak A, Bradley YC, Heidel RE, McElmurray J. The impact of an anti-reflux catheter on downstream particulate distribution in liver directed embolotherapy: An in-vivo analysis. Presented at Society of Interventional Radiology; 2015 Feb 28 - Mar 5; Atlanta, GA.

Snyder D, Curzon M, Heidel RE, Geddam C, Panella T, Desai P, Bell J, Orucevic A. Redefining a traditional paradigm: Young (<40) females with breast carcinoma have improved overall survival when compared to > 70 year old. Presented at The 20th Annual Multidisciplinary Symposium on Breast Disease; 2015 Feb 12-15; Amelia Island, FL.

Chen J, Nepveux FJ, Patel P, Heidel RE, Orucevic A. Can finding esophageal eosinophilia in biopsies from esophageal strictures predict the diagnosis of eosinophilic esophagitis? Presented at College of American Pathologists; 2014 Sep 7-10; Chicago, IL.

Heidel RE. Nuts & bolts annual research symposium. Presented at The University of Tennessee College of Medicine Chattanooga (Invited Lectureship); 2014 Aug 15; Chattanooga, TN.

Kennel SJ, Macy S, Wooliver C, Huang Y, Richey T, Heidel RE, Wall JS. Phagocyte depletion inhibits reactive (AA) amyloid accumulation in amyloid enhancing factor-induced human IL-6 transgenic mice. Presented at XIVth International Symposium on Amyloidosis; 2014 Apr 27 - May 1; Indianapolis, IN.

Wall JS, Williams A, Richey T, Stuckey A, Huang Y, Wooliver C, Macy S, Heidel RE, Martin EB, Kennel SJ. High affinity amyloid-reactive peptide, p5R, binds non-uniformly to large amyloid deposits due to a binding site barrier effect. Presented at XIVth International Symposium on Amyloidosis; 2014 Apr 27 - May 1; Indianapolis, IN.

Martin EB, Richey T, Stuckey A, Heidel RE, Lee A, Rader B, Osborne D, Kennel SJ, Wall JS. Characterization of peptide 125I-p5R+14 as an optimized radiotracer for the in vivo detection of ApoA2c amyloidosis. Presented at XIVth International Symposium on Amyloidosis; 2014 Apr 27 - May 1; Indianapolis, IN.

Huffstutter P, Hines L, Heidel RE, Klar M, Roark J, Rowan C, Rose Z, Epps J. The implementation of surgical crisis checklists in perioperative team simulation. Presented at The American College of Surgeons' 7th Annual Meeting; 2014 Mar 21-22; Chicago, IL.

Heidel E, Huffstutter P, Hines L, Klar M, Roark J, Goldman M. Methods of increasing the internal validity of assessment in simulation: Lessons learned in the applied perioperative surgical simulation environment. Presented at 7th Annual Meeting of the Consortium of ACS-Accredited Education Institutes; 2014 Mar 20-23; Chicago, IL.

Bourgeois AC, McLaren T, Hudson K, Pasciak AS, Faulkner AR, Heidel E, Bradley YC. Simulation-based educational curriculum for lumbar puncture to improve operator confidence and efficiency. Presented at American Society of Spine Radiology; 2014 Feb 13-16; Miami Beach, FL.

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