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Dr. Orr’s Scientific Publications
PUBLICATIONS
(PEER-REVIEWED) – grouped by Google Scholar citations –
breast papers are *
1. *Col NF, Eckman MH, Karas RH, Pauker SG, Goldberg RJ,
Ross EM, Orr RK, Wong JB. Patient-specific decisions about
hormone replacement therapy in post-menopausal women. JAMA
1997; 277:1140-1147. (227 citations)
2. *Orr RK. The impact of prophylactic axillary node
dissection on breast cancer survival - A Bayesian
meta-analysis. Ann Surg Oncol 1999; 6:109- 116. (182
citations)
3. *Col NF, Hirota LK, Orr RK, Erban JK, Wong JB, Lau J.
Hormone replacement therapy after breast cancer: A
systematic review and quantitative assessment of risk. J
Clin Oncol 2001; 19:2357-2363. (101 citations)
4. Orr RK, Porter D, Hartman D: “Ultrasound to evaluate
adults for appendicitis: Decision making based on
meta-analysis and probabilistic reasoning.” Acad Emerg Med
1995; 2:644-650. (77 citations)
5. *Gillanders WE, Mikhitarian K, Hebert R, Mauldin PD, et
al. Molecular detection of micrometastatic breast cancer in
histopathology-negative axillary lymph nodes correlates with
traditional predictors of prognosis: An interim analysis of
a prospective multi-institutional study. Ann Surg. 2004
239:828-840. (67 citations)
6. Orr RK, Maini BS, Sottile FD, Dumas EM, O’Mara PM: “A
comparison of four severity adjusted models to predict
mortality after coronary after bypass graft surgery.” Arch
Surg 1995; 130:301-306. (50 citations)
7. *Col NF, Pauker SG, Goldberg RJ, Eckman MH, Orr RK, Ross
EM, Wong JB. Individualizing therapy to prevent long-term
consequences of estrogen deficiency in postmenopausal women.
Arch Int Med 1999; 159:1458-1466. (48 citations)
8. *Orr RK, Hoehn JL, Col NF. The learning curve for
sentinel node biopsy in breast cancer - Practical
considerations. Arch Surg 1999; 134:764-767. (49 citations)
9. Hidlebaugh DA, Vulgaropoulos S, Orr RK. Treating Adnexal
Masses Operative Laparoscopy vs. Laparotomy. J Reprod Med
1997;42:551-558. (28 citations)
10. Perugini RA, Orr RK, Porter D, Dumas EM, Maini BS.
Gastrointestinal complications following cardiac surgery –
An analysis of 1477 cardiac surgery patients. Arch Surg
1997; 132:352-357 (27 citations)
11. Orr RK: “Use of a probabilistic neural network to
estimate mortality risk after cardiac surgery.” Med Decis
Making 1997; 17:178-185. (24 citations)
12. Tamin WZ, Davidson RS, Quinlan RM, O’Shea MA, Orr RK,
Swanson RS. “Neoadjuvant chemoradiotherapy for esophageal
cancer. Is it worthwhile?” Arch Surg 1998; 133:722-726. (22
citations)
13. *Blair SL, O’Shea KE, Orr RK. Surgeon variability in
treating nonpalpable breast cancer: Surgical Oncology as a
Value-Added Specialty. Ann Surg Oncol 1998; 5:28-32. (22
citations)
14. *Orr RK, Col NF, Kuntz KM. A cost-effectiveness analysis
of axillary node dissection in post-menopausal women with
estrogen receptor positive- breast cancer and clinically
negative axillary nodes. Surgery 1999; 126:568-576. (15
citations)
15. *Orr RK. Artificial intelligence in surgery. Use of an
artificial neural network as an aid in mammographic
interpretation. Surgery 2001; 129:459-66. (13 citations)
16. *Johnson J, Orr RK, Moline S. Sentinel Node Biopsy in a
Community Hospital – the Institutional Learning Curve. Am
Surg. 2001; 11:1030-3. (11 citations)
17. Hidelebaugh DA, Orr RK. Long-term economic evaluation of
resectoscopic endometrial ablation versus hysterectomy for
the treatment of menorrhagia. J Am Assoc Gynecol Laparos
1998; 5:351-356. (10 citations)
18. Hidlebaugh DA, Orr RK. Staging Endometrioid
Adenocarcinoma Clinical and Financial Comparison of
Laparoscopic and Traditional Approaches. J Reprod Med
1997;42:482-488. (9 citations)
19. *Orr RK, Moffatt F, Ketcham AS, Robinson DS, Tennant N:
“Early discharge after mastectomy - A safe way of
diminishing hospital costs.” Am Surg 1987; 53:161-163. (9
citations)
20. *Orr RK, Fraher KF: “Increasing parity is associated
with nodal positivity in operable breast cancer.” Breast
Cancer Res Treat 1995; 34:71-76. (6 citations)
21. Orr RK, Lininger J, Lawrence W., Jr.: “Gastric
Pseudolymphoma: A challenging clinical problem.” Ann Surg
1984; 200:185. (6 citations)
22. *Col NF, Goldberg RJ, Orr RK, ErbanJK, Fortin JM,
Chlebowski RT. The survival impact of tamoxifen use for
breast cancer risk reduction: Projections from a
patient-specific Markov model. Med Decis Making, 2002;
22:386-93. (2 citations)
23. Maini BS, Orr RK, O’Mara P, Hendershott T: “Lower
extremity vein bypass grafts: Outcomes and resource
utilization in a managed care setting.” Am J Surg 1996;
172:113-117. (2 citations)
24. Smith HE, Orr RK, Chen FM: “Optically active amines
XVIII, Spectral observations on optically active
N-substituted pyrrolles.” J Am Chem Soc 1975; 97:3126.
25. Hidlebaugh DA, Vulgaropulos S, Orr R. Trends in
oophorectomy by laparoscopic versus open technique. J Am
Assoc Gynecol Laparosc 1996; 3:S17-8.
26. Orr RK: “Use of a fuzzy additive risk model to predict
outcome after cardiac surgery.” Proceedings of the
International Fuzzy Systems Association 1996 Annual Meeting
(FUZZ-IEEE): Vol 3:1983-1988.
27. *Orr RK, Gill SS. The Value of Sentinel Lymph Node
Biopsy in Determining Optimal Therapy for Breast Cancer.
Amer J Cancer, 2002; 1:7-12.
28. Orr RK, Patel V, Rousseau J. 100 Consecutive
thyroidectomies performed by a single surgeon in an upstate
South Carolina teaching hospital: An outcome analysis. J SC
Med Assoc 2007; 102:337-40.
29. Fuhrman G, Orr R, Dunn E, Ferrara J, Kurtzman S, et al.
An assessment of university vs. independent general surgery
program graduate performances on the American Board of
Surgery examinations. J Surg Educ 2007; 64:346-50.
30. Orr RK “Use of a probabilistic neural network to predict
mortality following cardiac surgery.” Proceedings of the
1995 World Congress on Neural Networks. 1995; II:754-757.
31. *Orr RK, Wheeler K, Barrineau D, Hird RB. Improvement In
Sentinel Node Biopsy Results In A Teaching Community
Hospital: Results Of A Multidisciplinary Quality Improvement
Program. American Journal of Surgery 2008;196:569-71.
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