Curriculum Vitae
Edward R. Santos, M.D.

PERSONAL DATA
Edward Rainier G. Santos, M.D.
Citizenship: Philippines (Permanent U.S. resident)

ADDRESS
Department of Orthopaedic Surgery
University of Minnesota
2450 Riverside Avenue R200
Minneapolis, MN 55454
Telephone: (612) 273-7991
Fax: (612) 273-7959
E-mail: sant0168@umn.edu

EDUCATION

POSTDOCTORAL TRAINING

CERTIFICATION AND LICENSURE

MILITARY SERVICE
None

ACADEMIC APPOINTMENTS

ACADEMIC ADMINISTRATIVE APPOINTMENTS

CLINICAL/HOSPITAL APPOINTMENTS

CONSULTING POSITIONS None

HONORS AND AWARDS

MEMBERSHIPS IN PROFESSIONAL SOCIETIES

SCIENTIFIC ACTIVITIES

2005-present Ad hoc reviewer for Clinical Orthopaedics and Related Research

GRANT SUPPORT

Grants Received

1. 2011

Funding agency/source: University of Minnesota Grant-in-Aid Research Grant

Grant Title: A Methodology for Assessing Operative Cervical Spine

Degeneration Procedures.

Participants: David J Nuckley, PhD, Edward R.G. Santos, M.D

Role: Co-investigator

Total amount funded: $34,381 (Total direct costs)

Percent effort: Unpaid effort

2. 2011

Funding Agency/Source: Scoliosis Research Society

Grant Title: Adult Degenerative Scoliosis Management: A Systematic Review

Participants: David Polly, MD, Charles Ledonio, MD,

Edward Santos, MD, Jonathan Sembrano, MD, Sharon Yson, MD, Lawrence Lenke MD, Jim Sanders, MD, Steve Glassman, MD, Frank Schwab, MD, Serena Hu, MD.

Role: Co-investigator

Total amount Funded: $25,973 (Total direct costs)

Percent effort: Unpaid effort

3. 2008

Funding Agency/Source: Medtronic, Inc.

Grant Title: Influence of Thread Design on Insertional Torque and Pull-out Strength

Participants: Edward R.G. Santos MD, Jonathan N Sembrano MD, David Nuckley, PhD

Principal Investigator: Edward Santos, MD

Role: Principal Investigator

Total amount funded: $ 22,853.00 (Total direct costs for the project)

Percent effort: 5 %

4. 2008

Funding Agency/Source: Medtronic, Inc.

Grant Title: O-arm Imaging

Participants: Edward Santos MD, Charles Ledonio MD, Jonathan Sembrano MD, Carlos Castro MD, Walter Truong MD

Principal Investigator: Edward Santos, MD

Role: Principal Investigator

Total amount funded: $108, 718.00 (Total direct costs for project)

Percent effort: 5 %

5. 2007

Funding Agency/Source: Medtronic, Inc.

Grant Title: Optimizing spinopelvic fixation

Participants: Edward Santos MD, Charles Ledonio MD, Jonathan Sembrano MD, Carlos Castro MD, Ben Mueller MD, David Polly MD.

Principal Investigator: Edward Santos, MD

Role: Principal Investigator

Total amount funded: $19,365.00 (Total direct costs for the project)

Percent effort: 5 %

6. 2007

Funding Agency/Source: Funded by VA Rehabilitation Research & Development [RR&D] Service, 9/1/07-8/31/09

Grant title: Education/Exercise & Chiropractic for Chronic Back Pain: a Pilot

Study, B5027R

Participants: Howard Fink, MD, Edward Santos, MD

Role: Co-investigator

Total amount funded: $155,900

Percent effort: Unpaid effort

Pending Grant Applications

1. Correlation of Aberrant Spinal Motion with Intervertebral Disc High Contrast MRI. Nuckley, DJ, Polly, DW, Ellermann, JM, Keefe, D, Santos, ER, Sembrano, JN, Ledonio, CG. NIH R21. $275,000 (direct) requested.

Role: Co-investigator

2. 3D Spinal Kinematics Correlated with Mechanical, Biochemical, and Morphological

Presentation of Intervertebral Disc Degeneration. NIH R01. Nuckley, DJ, Polly, DW, Sembrano, JN, Santos, ER, Ellermann, JM, Keefe, D.
$250,000 / year for 5 years requested. (For submission October 2011)

Role: Co-investigator

3. Evaluation of the Cortical Processing of Low Back Pain with Interventions.

NIH R21 Nuckley, DJ, Polly, DW, Santos, ER,

Sembrano, JN, Ledonio, CG.
$275,000 for 2 years requested. (For submission February 2012)

Role: Co-investigator

Past Grant Applications (Not funded)

1. 2010

Letter of Intent for Grant Application submitted to the North American Spine Society

Proposal Title: Biomechanical Comparison of Four Methods of Sacro-iliac Fixation

Role: Principal Investigator

2. 2010

Letter of Intent for Grant Application to the North American Spine Society

Proposal Title: Insertional Torque Profiles and Pull-out Strength of Different Methods of Sacro-Iliac Fixation

Role: Principal Investigator

3. 2009

Letter of Intent for Grant Application to the North American Spine Society

Proposal Title: Can novel magnetic resonance imaging sequences and biomechanical magnetic resonance mapping at high magnetic fields predict concordant pain provocation during discography?

Role: Principal Investigator

4. 2009

AHC Seed Grant and MMF Grant Application

Proposal Title Can novel magnetic resonance imaging sequences and biomechanical magnetic resonance mapping at high magnetic fields predict concordant pain provocation during discography?

Role: Principal Investigator

5. 2008

AHC Seed Grant and MMF Grant Application

Proposal Title Biomechanical Comparison of Tricortical and Through-endplate S1 screws

Role: Principal Investigator

TEACHING AND MENTORING ACTIVITIES

Courses/Directorship

Courses/Lecturer or Instructor

Courses/Continuing Medical Education

Clinical Teaching

Other Teaching

Mentoring/Advising

Resident Advising

1. Richard Burg, MD; orthopaedic resident. In 2006-7, mentored him through the conduct of his residency research project. This was presented at the year-end Resident Research forum. Dr. Burg is a practicing Spine surgeon in Dallas, Texas.

2. Walter Truong, MD. IN 2009, mentored him through the submission of two peer-reviewed articles that were presented in a local meeting. This effort produced two-peer-reviewed publications. Dr. Truong is an attending Pediatric Orthopaedic Surgeon at Gillette Hospital, St. Paul, MN.

3. Benjamin Mueller, MD. In 2010, mentored him through his residency research project. This has resulted in a peer-reviewed publication and presentations in local and regional meetings. Dr Mueller is currently a fellow in Spine Surgery at the Leatherman Spine Center in Louisville, Kentucky.

Medical Student Research Advising

1. Jeff Westensee MD. In 2008, mentored him through a research project entitled “The incidence of Non-Spine Findings in Lumbar Spine X-rays”. This was presented in an international meeting (AAOS Meeting). Dr Westensee is an emergency medicine resident.

2. Zikky Kanu MD. In 2010, mentored him through a research project entitled “The incidence of Contraindications to Epidural Injections”. This abstract has been submitted to various meetings and the final manuscript is being written for submission. Zikky is a 4^th year medical student.

3. Mahad Hassan. In 2011, mentored him through a case report entitled” Minimally invasive Smith-Peterson Osteotomy of the Spine: A Case report. We are currently writing the final manuscript for submission. Mahad is a 2^nd year medical student.

Postdoctoral Fellow Advising

1. Charles Ledonio, MD. I served as Dr Ledonio’s senior supervisor during his

postdoctoral research associate training at the University of Minnesota. This has led to collaborations and publications of two peer-reviewed articles. He is currently a Research Associate with the Department of orthopaedics of the University of Minnesota.

2. Sharon Yson, MD. In 2010, Dr Jonathan Sembrano and I established a Spine

Research Fellowship in the department. I am a co-mentor to Dr. Yson in her position as a Spine Post-doctoral research Associate. Dr. Yson has presented in national meetings and has submitted three manuscripts for publication. I continue to mentor Dr. Yson in the conduct of orthopaedic research with a focus on spinal disorders. She is currently still in the position of postdoctoral research associate.

EXTRAMURAL INVITED PRESENTATIONS

Invited Presentations

1. “Indications for Surgery in Lumbar Spine Degeneration”. 2010 Synthes Course for Fellows and Residents: Lumbar Disc Degeneration. TRIA Orthopaedic Center, Minneapolis, MN, April 17-18, 2010.

2. “Lateral Lumbar Interbody Fusion: Indications and Technique”. 2010 Synthes Course for Fellows and Residents: Lumbar Disc Degeneration. TRIA Orthopaedic Center, Minneapolis, MN, April 17-18, 2010.

3. “Gymnast’s Back”. Presented at the Twin Cities Annual Sports Medicine Course. 2009.

4. “Lumbar Stenosis”. TRIA Orthopaedic Center Monthly Conference. 2008

5. Philippine Minnesota Medical Association Annual Meeting. “Back Pain: Operative and Non-operative Management”, Wisconsin Dells, WI, August 2007.

6. Philippine Minnesota Medical Association Annual Meeting. “What’s New in Spine Surgery?” Wisconsin Dells, WI, August 2006.

7. “Demographics of Revision Total Knee Arthroplasty: NAKAR Experience”. Midwest Arthroplasty Course; Minneapolis, MN May 2005

OTHER PRESENTATIONS

National/International Presentations (* - presenter)

1. “Lateral Lumbar Interbody Fusion (LLIF) vs. Standard Approaches: Analysis of Segmental Lordosis Change” Sembrano JN, Sharma AK, Horazdovsky R, Polly DW* and Santos ER. Podium presentation, International Society for the Advancement of Spine Surgery., April 2011, Las Vegas, NV. Role: Co-author. Won the Charles Ray Award for Best Clinical Paper.

2. “Do Lordotic Cages Provide Greater Segmental Sagittal Contour Change Than Non-lordotic Cages in Minimally-Invasive Lateral Lumbar Interbody Fusion (LLIF)?” Sembrano JN*, Sharma AK, Horazdovsky R, Polly DW and Santos ER. Podium presentation, 3rd Annual Research Meeting of the Society of Lateral Access Surgery, La Jolla, CA, April 9, 2010. Role: Co-author

3. “Lateral Lumbar Interbody Fusion (LLIF) vs. Standard Approaches: Analysis of Segmental Lordosis Change” Sembrano JN*, Sharma AK, Horazdovsky R, Polly DW and Santos ER. Podium presentation ,3rd Annual Research Meeting of the Society of Lateral Access Surgery, La Jolla, CA, April 10, 2010.; podium presentation at the 17^th International Meeting on Advanced Spine Techniques, Toronto, Canada, July 23, 2010; Podium presentation at the 2010 Annual Meeting of the Society for Minimally Invasive Spine Surgery, Miami, FL November 7, 2010. Role: Co-author

4. “O-arm Image Guided Pedicle Screw Insertion: Revision and Reoperation Rates in 2,495 Screws”. Santos ER, Sembrano JN*, Polly DW. Podium presentation at the 2010 Annual Meeting of the Society for Minimally Invasive Spine Surgery, Miami, FL, November 6, 2010. Role: Primary Author

5. “Intra-operative Feedback for Lumbar Interbody Fusion: Intervertebral Disc Volume Removal and Outcomes”. Ledonio CG*, Hendricks A, Santos ER, Sembrano JN, Nuckley D, Polly DW. Podium presentation at the 25^th Annual Meeting of the North American Spine Society. Orlando, Florida, October 5-9, 2010. Role: Co-author.

6. “Validation of Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study”. Santos ER*, Ledonio CG, Castro CA, Truong WH, Sembrano JN, Polly DW. Podium presentation at the 25^th Annual Meeting of the North American Spine Society. Orlando, Florida, October 5-9, 2010. Role: Presenter

7. “Accuracy of Intra-operative O-arm Images in Determining Pedicle Screw Position”. Santos ER*, Sembrano JN, Ledonio CG, Polly DW. Presented at the 25^th Annual Meeting of the North American Spine Society. Orlando, Florida, October 5-9, 2010. Role: Presenter

8. “Validity of surgeon perception of navigated pedicle screw position: a cadaveric study”. Santos ER*, Ledonio CG, Castro CA, Truong WH, Sembrano JN, Polly DW. Podium presentation at the 2010 AAOS Annual meeting, New Orleans, LA, March 2010. Role: Presenter

9. “The incidence of Non-spine Findings in Lumbar spine radiographs”. Santos ER*, Westensee J, Polly DW. Podium presentation at the 2010 AAOS Annual meeting, New Orleans, LA, March 9-13, 2010. Role: Presenter

10. Intraoperative O-arm scan Assessment of Pedicle Screw Position: Does it prevent Unacceptable Screw Placement? Sembrano JN*, Santos ER, Polly DW, Ledonio CG. Presented at the American Academy of Orthopaedic Surgeons Annual Meeting, Las Vegas, NV, February 27, 2009. Role: Co-author.

11. “Intraoperative O-arm CT Scan Assessment of Pedicle Screw Position: Does It Prevent Unacceptable Screw Placement?” Sembrano JN*, Santos ER, PollyDW, and Ledonio CG. Podium presentation at the 15^th International Meeting on Advanced Spinal Techniques, Hong Kong, China, July 9, 2008. Role: Co-author

12. “Mobile and Fixed Bearing (All-poly Tibia) Designs in TKA: A Randomized Prospective Comparison. Gioe TJ*, Sembrano JN, Glynn J, Santos ER, and Suthers K. Podium presentation at the 74^th Annual Meeting of the American Academy of Orthopaedic Surgeons, San Diego, CA, February 2007. Role: Co-author

13. “All-polyethylene and metal-backed tibias have similar outcomes 10 years: a randomized level 1 evidence study”. Gioe TJ*, Stroemer ES, Santos ER. Podium presentation at the American Academy of Orthopaedic Surgeons, Chicago, IL, 2006. Role: Co-author.

14. “The Radiographic Assessment of Interbody Fusion with Cages”. Santos ER*, Morcom R, Fraser RD. Podium presentation at the International Society for the Study of the Lumbar Spine (ISSLS), Cleveland, Ohio, 2001. Role: Presenter

Local/Regional Presentations

1. “What is the Best Iliac Screw Size and Trajectory?” Santos ER, Mueller B*, Sembrano JN, Polly DW. Podium presentation at the 2011 Mid-America Orthopaedic Association Annual Meeting, Tucson, AZ, April 6-10. Role: Primary author

2. “Lateral Lumbar Interbody Fusion (LLIF) vs. Standard Approaches: Analysis of Segmental Lordosis Change” Sembrano JN, Sharma AK, Horazdovsky R*, Polly DW and Santos ER. Podium presentation at the 2011 Mid-America Orthopaedic Association Annual Meeting, Tucson, AZ, April 6-10. Role: Co-author

3. Accuracy of Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study. Santos ER, Sembrano JN, Castro C, Ledonio C, Truong WH*, Polly DW. Podium presentation at the Minnesota Orthopaedic Society Annual Meeting, Minneapolis, MN May 2009. Role: Primary author.

4. “What is the Best Iliac Screw Size and Trajectory?” Santos ER, Mueller B*, Sembrano JN, Polly DW. Podium presentation at the 2008 Annual Meeting of the Minnesota Orthopaedic Society, Minneapolis, MN. Role: Primary author

5. “The treatment of Asymptomatic Osteonecrosis of the Femoral Head.”. Santos ER*, Al-MAcari G, Cheng EYC. Podium presentation at the 2007 Annual Minnesota Orthopedic Society Meeting, Minneapolis, MN, May 2007 Role: Presenter

6. “Sagittal Plane Lumbar spine Correction with Bilateral Transforaminal Lumbar Interbody Fusion.” Santos EG*, Polly DW. Podium presentation at the 2007 Annual Minnesota Orthopedic Society Meeting, Minneapolis, May 2007. Role: Presenter.

7. “Demographics of Revision Total Knee Arthroplasty: NAKAR Experience”. Santos ER*, Saleh K. Midwest Arthroplasty Course; Minneapolis, MN May 2005 Role: Presenter

1. “Pediatric Pedicle Screw Placement Using 3D Image-guided Navigation is Safe and Accurate”. Larson AN, Santos ER, Polly DW, Ledonio CG, Mielke C, Guidera K, Sembrano JN*. Scoliosis Research Society Meeting, Louisville, Kentucky, September 2011. Role: Co-author.

2. “Pediatric Pedicle Screw Placement Using 3D Image-guided Navigation is Safe and Accurate”. Larson AN, Santos ER, Polly DW*, Ledonio CG, Mielke C, Guidera K, Sembrano JN. International Meeting for the Advancement of Spinal Technology Meeting ‘ Copenhagen July 13-16, 2011. Role: Co-author.

3. “Open versus Percutaneous Image Guided Lumbar Pedicle Screw Insertion: Accuracy and Reoperation Rates”. Santos ER, Sembrano JN*, Polly DW. E-poster presentation at the 2010 Annual Meeting of the Society for Minimally Invasive Spine Surgery, Loews Hotel, Miami, FL ,November 2010. Role: Primary author

4. “Do Lordotic Cages Provide Greater Sagittal Contour Change than Non-Lordotic Cages in Minimally-invasive Lateral Lumbar Interbody Fusion?” Sembrano JN*, Sharma, AK, Horazdovsky R, Polly DW, Santos ER. Poster presentation at the 2010 Annual meeting of the Minnesota Orthopaedic Society, Minneapolis, MN May 2010. Role: Co-author

5. “Open vs. Percutaneous Image Guided Lumbar Pedicle Screw Insertion: Accuracy and Reoperation Rates.” Santos ER*, Sembrano JN, Polly DW. E-poster presentation at the 2010 Annual Meeting of the Society for Minimally Invasive Spine Surgery, Miami, FL ,November 5-7, 2010. Role: Primary author

6. “The accuracy of intra-operative O-arm images in assessing pedicle screw placement.” Santos ER, Truong WH, Castro C, Ledonio C, Sembrano JN*. Presented as a poster at the IMAST meeting, Toronto, Canada, July 2010.

Role: Primary author

7. “Accuracy of Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study.” Santos ER*, Sembrano JN, Castro C, Ledonio C, Truong WH, Polly DW. Presented as a poster presentation at the Scoliosis Research Society Annual Meeting, San Antonio, Texas, September 2009.

Nominated for the Best Poster Presentation in the Basic Science Category

Role: Presenter.

8. “The Use of Intraoperative 3D CT Imaging for Pedicle Screw placement in patients with or without coronal deformity.” Ledonio CG, Polly DW*, Sembrano JN, Santos ER. Presented as an electronic poster presentation at the IMAST Meeting, Vienna, Austria , 2009

9. “Accuracy of Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study.” Santos ER, Sembrano JN, Castro C, Ledonio C, Truong WH, Polly DW*. Presented as an electronic poster presentation at the IMAST Meeting, Vienna, Austria , 2009

10. “3D image based Computer Navigation Reduces Needle Malposition Rates in Balloon Kyphoplasty”. Sembrano JN*, Ledonio CG, Santos ER, Nuckley D, Polly DW. Poster presentation at the 2009Annual meeting of the Minnesota Orthopaedic Society, Minneapolis, MN May 2009.; E-poster presentation at the 17^th International Meeting on Advanced Spine Techniques, Sheraton Centre Toronto, Toronto, Canada (July 21-24, 2010). Role: Co-author.

11. “3D image based Computer Navigation Reduces Needle Malposition Rates in Balloon Kyphoplasty”. Sembrano JN*, Ledonio CG, Santos ER, Nuckley D, Polly DW. Poster presentation at the 17^th International Meeting on Advanced Spine Techniques, Sheraton Centre Toronto, Toronto, Canada (July 21-24, 2010). Role: Co-author

12. “Accuracy of Surgeon Perception of Navigated Pedicle Screw Position: A

WH, Polly DW. Presented as a poster presentation at the International Meeting of Advanced Spine Techniques (IMAST), Hong Kong, July 8-11, 2008. Role: Primary author.

13. “New Generation Intraoperative 3-Dimensional Imaging (O-arm) in 100 Spine

Surgeries: Does It Change the Surgical Procedure?” Sembrano JN*, PollyDW, Santos MD, Strothman DH, Mollman D. E-poster presentation, 15^th International Meeting on Advanced Spinal Techniques, Hong Kong Convention and Exhibition Center, Hong Kong, China (July 8-11, 2008).Role: Co-author.

14. “What is the Best Iliac Screw Size and Trajectory?” Santos ER, Mueller B,. Sembrano JN*, and Polly DW. E-poster presentation, 15^th International Meeting on Advanced Spinal Techniques, Hong Kong Convention and Exhibition Center, Hong Kong, China (July 8-11, 2008). Role: Primary author.

15. “ Saggital Plane Lumbar spine Correction with Bilateral Transforaminal Lumbar

Interbody Fusion”. Santos, ER* and Polly DW. Poster presentation at the North American Spine Society Annual Meeting, Austin, Texas, October 23-27, 2007. Role: Primary author.

16. “Saggital Plane Lumbar spine Correction with Bilateral Transforaminal Lumbar

at the International Meeting of Advanced Spine Techniques (IMAST), Paradise Island, Bahamas, July 11-14, 2007. Role: Primary author.

COMMITTEE AND ADMINISTRATIVE SERVICE

Medical School

Department of Orthopaedic Surgery

Community

ANNOTATED BIBLIOGRAPHY

Peer Reviewed Publications

1. Mehta H, Santos E, Ledonio C, Sembrano J, Ellingson A, Pare P, Murrell B,Nuckley D. Biomechanical analysis of pedicle screw thread differential design in an osteoporotic cadaver model. Clinical Biomechanics. 2011; (Accepted with minor revisions 7/21/2011).

I was the principal investigator in this investigation. I was involved in the performance of the cadaveric procedures, and was involved in data analysis and manuscript review. Clinical Biomechanics is an international multidisciplinary journal of musculoskeletal biomechanics that helps explain the causes of musculoskeletal disorders and provides assistance to the clinician in the evaluation of treatment methods. Its impact factor is 2.036. This article has had 0 citations.

2. Larson AN, Santos ER, Polly DW Jr., Ledonio CG, Sembrano JN, Mielke CH, Guidera KJ. Pediatric pedicle screw placement using intraoperative CT and 3D image-guided navigation. Spine (Phila Pa 1976) July 5, 2011 (Epub ahead of print).

I was involved in the conception of the study, study design, collection of the entire data set, and manuscript editing and review. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 0 citations.

3. Santos ER, Ledonio CG, Castro CA, Truong WH, Sembrano JN. The accuracy of intraoperative O-arm images for the assessment of pedicle screw position. Spine (Phila Pa 1976) June 13, 2011 (Epub ahead of print).

I performed all aspects of study design, securing of funding, data collection, and manuscript preparation, review and revision. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 0 citations.

4 . Santos ER, Ledonio CG, Castro CA, Truong WH, Sembrano JN: Validity of

Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study. Spine (Phila Pa 1976). 36(15): E1027-E1032.1 July 2011.

I performed all aspects of study design, securing of funding, data collection and manuscript preparation, review, and revision. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 0 citations.

5. Santos ER, Sembrano JN, Mueller B, Polly DW: Optimizing iliac screw fixation: a biomechanical study on screw length, trajectory, and diameter. J Neurosurg Spine 14:219-225, February 2011.

I performed all aspects of study design, securing of funding, research, and manuscript preparation, review and revision. The Journal of Neurosurgery: Spine is recognized internationally for its authoritative clinical articles for the treatment of spinal disorders and has an impact factor of 1.594. This article has had 0 citations.

6. Gioe TJ, Glynn J, Sembrano J, Suthers K, Santos ER, Singh J. Mobile and fixed-bearing (all-polyethylene tibial component) total knee arthroplastydesigns. A prospective randomized trial. J Bone Joint Surg Am. 2009 Sep;91(9):2104-12.

            I was involved in the data collection, data analysis and manuscript writing and review. The Journal of Bone and Joint Surgery is the gold-standard in peer-reviewed scientific information in the field of Orthopaedics. It has an impact factor of 2.967. This article has had had 15 citations.

7. Santos ER, Pinto MR, Lonstein JE, Denis F, Garvey TA, Perra JH, Transfeldt EE, Schwender JD. Revision lumbar arthrodesis for the treatment of lumbar cage pseudoarthrosis: complications. J Spinal Disord Tech. 2008 Aug;21(6):418-21.

I performed all aspects of study design, data collection and manuscript preparation, review, and revision. The journal of Spinal Disorders and techniques is a subspecialty journal for the treatment of spinal disorders and has an impact factor of 1.333. This article has 4 citations.

8. Santos ER, Rosner MK, Perra JH, Polly DW Jr. Spinopelvic fixation in deformity: a review. Neurosurg Clin N Am. 2007 Apr;18(2):373-84.

I was involved the literature review and performed majority of the manuscript writing. Clinical Orthopaedics and related research is a leading peer-reviewed orthopaedic journal and a publication of the Association of Bone and Joint Surgeons. It has an impact factor of 1.477. This article has had 1 citation.

9. Gioe TJ, Stroemer ES, Santos ER. All-polyethylene and metal-backed tibias have similar outcomes at 10 years: a randomized level I [corrected] evidence study. Clin Orthop Relat Res. 2007 Feb;455:212-8. Erratum in: Clin Orthop Relat Res. 2007 May;458:249.

I was involved in data collection, analysis, and manuscript writing. Clinical Orthopaedics and Related Research is a leading peer-reviewed orthopaedic journal and a publication of the Association of Bone and Joint Surgeons. It has an impact factor of 2.116. This article has had 12 citations.

10. Wai EK, Santos ER, Morcom RA, Fraser RD. Magnetic resonance imaging 20 years after anterior lumbar interbody fusion. Spine (Phila Pa 1976). 2006 Aug 1;31(17):1952-6.

I performed part of the data collection and final review of the manuscript. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 22 citations.

11. Saleh KJ, Santos ER, Ghomrawi HM, Parvizi J, Mulhall KJ. Socioeconomic issues and demographics of total knee arthroplasty revision. Clin Orthop Relat Res. 2006 May;446:15-21.

I was involved in data collection, analysis, and manuscript writing. Clinical Orthopaedics and Related Research is a leading peer-reviewed orthopaedic journal and a publication of the Association of Bone and Joint Surgeons. It has an impact factor of 2.116. This article has had 12 citations.

12. Palmer DH, Mulhall KJ, Thompson CA, Severson EP, Santos ER, Saleh KJ. Total knee arthroplasty in juvenile rheumatoid arthritis. J Bone Joint Surg Am. 2005 Jul;87(7):1510-4.

I was involved in the data collection, data analysis and a significant part of the manuscript writing. The Journal of Bone and Joint Surgery is the gold-standard in peer-reviewed scientific information in the field of Orthopaedics. It has an impact factor of 2.967. This article has had 4 citations.

13. Polly DW , Santos ER, Mehbod AA. Surgical treatment for the painful motion segment: matching technology with the indications: posterior lumbar fusion. Spine (Phila Pa 1976). 2005 Aug 15;30(16 Suppl):S44-51. Review.

I performed all aspects of study design, research, and majority of the manuscript writing. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 7 citations.

14. Santos EG, Polly DW Jr, Mehbod AA, Saleh KJ. Disc arthroplasty: lessons learned from total joint arthroplasty. Spine J. 2004 Nov-Dec;4(6 Suppl):182S-189S. Review.

I performed all aspects of study design, research, and majority of the manuscript writing. The Spine Journal is the official journal of the North American Spine Society, and is an international and multi-disciplinary journal that publishes peer-reviewed articles on research and treatment related to the spine. It has an impact factor of 3.024. This article has had 4 citations.

15. Saleh KJ, Barrack R, Clark C,….Santos ER et al. Predictive Validity of the knee society index of severity – a prospective multicenter cohort study. Journal of Arthroplasty. Volume 19: 322-328. April 2004.

I was involved in this multi-center investigation with manuscript review. The Journal of Arthroplasty is the leading publication in the field of joint replacement. It has an impact factor of 2.207. This article has had 2 citations.

16. Santos ER, Goss DG, Morcom RK, Fraser RD. Radiologic assessment of interbody fusion using carbon fiber cages. Spine (Phila Pa 1976). 2003 May 15;28(10):997-1001.

I performed all aspects of study design, research, and manuscript writing. Spine is recognized internationally as the leading subspecialty journal for the treatment of spinal disorders and has an impact factor of 2.510. This article has had 36 citations.
 

SUBMITTED MANUSCRIPTS

1. Segmental Lumbar Sagittal Correction After Bilateral Transforaminal Lumbar Interbody Fusion. Yson S, Santos ER, Sembrano JN, Polly DW. Submitted to Spine. (Submitted 4/2011)

   Role: Senior author .

2. The Accuracy of Pedicle Screw Insertion Using Intraoperative Three-Dimensional Image-Guidance. Santos ER, Polly DW, Larson AN, Ledonio CG, Sembrano JN. Submitted to The Spine Journal (5/2011)

   Role: Primary Author.

3. Navigation and 3D Image-Guided Placement of Pedicle Screws in Congenital Spine Deformity. Larson, Polly DW, Guidera K, Mielke, C, Santos ER, Ledonio C, Sembrano JN. Submitted to the Journal of Pediatric Orthopaedics  (6/2011)

   Role: Co-author.

4. 3-D Image Based Computer Navigation Reduces Needle Malposition Rates in Balloon Kyphoplasty. Sembrano JN, Yson S, Santos ER, Ledonio C, Nuckley D, Polly DW. Submitted to Geriatric Orthopaedic Surgery and Rehabilitation. (7/2011) Role: Co-author.

PEER-REVIEWED ABSTRACTS

1. Validation of Surgeon Perception of Navigated Pedicle Screw Position: A Cadaveric Study . Santos ER, Sembrano JN , Ledonio CG, Castro CA, Truong W, Polly DW. The Spine Journal. September 2010 Vol. 10, Issue 9, Supplement, Page S78.

2. Accuracy of Intra-operative O-arm Images in Determining Pedicle Screw Position. Santos ER, Sembrano JN , Ledonio CG, Castro CA, Truong W, Polly DW. The Spine Journal. September 2010 Vol. 10, Issue 9, Supplement, Page S50.

3. Intra-operative Feedback for Lumbar Interbody Fusion: Intervertebral Disc Volume Removal and Outcomes. Ledonio CG, Henricks A, Santos ER, Sembrano JN, Nuckley DJ, Polly DW. The Spine Journal Sep 2010 Vol. 10, Issue 9, Supplement, Pages S48-S49.

4. Intra-articular botulinum toxin a for painful total knee arthoplasty. Singh JA, Mahowald ML, Santos ER, Gioe TG, Schmidt R. et al. Annals of Rheumatic Diseases. 66:545-545. 2007.

5. Intra-articular botulinum toxin a for painful total knee arthoplasty. Singh JA, Mahowald ML, Krug HE, Santos ER. Arthritis and Rheumatism. 54(9): s541- s542. 2008.

PUBLICATIONS (Non peer-reviewed)

1. The Pull-out Strength of Bone-Patellar Tendon-Bone Grafts in ACL Reconstruction Using the Kurosaka Screw Versus a Modified Cancellous Screw. Santos ER and Bernardo P. Philippine Journal of Orthopaedics, December 1999.

2. The Outcome of Open reduction and Internal Fixation of Supracondylar Humerus Fractures at the Philippine General Hospital. Santos ER and Pasion E. Philippine Journal of Orthopaedics, December 1998.

3. Comparison of Three Methods of Fixation of Phalangeal Fractures: A Biomechanical Study. Santos ER and Bautista J. Philippine Journal of Orthopaedics, December 1999.

4. The Treatment of Infected Non-Union of Long Bones Using the Method of Ilizarov: The PGH Experience. Santos ER and Javier J. Philippine Journal of Orthopaedics, December 2000.

BOOK CHAPTERS

1. “Disorders and Diseases of the Spine” in Manual of Orthopaedics 7^th Edition. Santos ER, Polly DW. Submitted.

2. “Bone Grafting Options” E-book chapter for the Scoliosis Research Society. Santos ER, Sembrano JN, Yson S, Polly DW. Submitted.

3. “When to Consider ALIF, TLIF, PLIF, PSF or Motion Preserving

Techniques” in The Textbook of Spine Surgery 3^rd Edition. Santos ER, Polly DW. In press.

5. “Transforaminal Lumbar Interbody Fusion:” in Surgical Management of Low Back Pain. Santos ER, Polly DW. Thieme. 2009.

6. “Management of Femoral Neck Fractures” in Master Techniques in Orthopedic Surgery 2^nd Ed. Santos ER and Swiontkowski M. Lippincott Williams and Wilkins. 2006

Last updated  9/15/2011