RichardToddAllenMD

Orthopaedic Surgery • San Diego, CA

Orthopedic Spine Surgery

Associate Professor, Orthopedic Surgery, University of California San Diego School of Medicine

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Office
350 Dickinson street
Dept of Orthopaedic Surgery
San Diego, CA 92103
Phone+1 619-543-2539

Fax+1 619-543-2540
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Education & Training

Rush University Medical CenterFellowship, Orthopaedic Surgery Of The Spine, 2007 - 2008
University of California (San Diego) Medical CenterResidency, Orthopaedic Surgery, 2001 - 2007
Creighton University School of MedicineClass of 2001

Certifications & Licensure

CA State Medical License 2003 - 2025
IL State Medical License 2007 - 2008
American Board of Orthopaedic Surgery Orthopaedic Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013

Clinical Trials

P-15L Bone Graft in Transforaminal Lumbar Interbody Fusion With Instrumentation Start of enrollment: 2018 Apr 24
Active, not recruiting
Not Applicable

Publications & Presentations

PubMed

Canadian Spine Society: 23rd Annual Scientific Conference, Wednesday, March 1 - Saturday, March 4, Fairmont Le Château Frontenac, Québec, Que., Canada.
Manjot Birk, Kara Sidhu, Marina Rosa Filezio, Vishwajeet Singh, Fabio Ferri-de-Barros, Vivien Chan, Geoffrey Shumilak, Andrew Nataraj, Holly Langston, Nicholas J Yee, ...> ;Canadian Journal of Surgery. Journal Canadien De Chirurgie. 2023 Aug 11
1 citations
Paraspinal muscle gene expression across different aetiologies in individuals undergoing surgery for lumbar spine pathology.
Angel Ordaz, Brad Anderson, Vinko Zlomislic, R Todd Allen, Steven R Garfin, Regula Schuepbach, Mazda Farshad, Simon Schenk, Samuel R Ward, Bahar Shahidi> ;European Spine Journal. 2023 Apr 1
1 citations
Density and Fat Fraction of the Psoas, Paraspinal, and Oblique Muscle Groups Are Associated With Lumbar Vertebral Bone Mineral Density in a Multi-Ethnic Community-Livi...
Pradyumna Gurusamy, Britta A Larsen, Richard T Allen, Samuel R Ward, Matthew A Allison, Jan M Hughes-Austin> ;Journal of Bone and Mineral Research. 2022 Aug 1
3 citations
Paraspinal Muscle Health is Related to Fibrogenic, Adipogenic, and Myogenic Gene Expression in Patients with Lumbar Spine Pathology.
Brad Anderson, Angel Ordaz, Vinko Zlomislic, R Todd Allen, Steven R Garfin, Regula Schuepbach, Mazda Farshad, Simon Schenk, Samuel R Ward, Bahar Shahidi> ;BMC Musculoskeletal Disorders. 2022 Jun 24
9 citations
Regional differences between superficial and deep lumbar multifidus in patients with chronic lumbar spine pathology
Jennifer Padwal, David B. Berry, James C. Hubbard, Vinko Zlomislic, R. Todd Allen, Steven R. Garfin, Samuel R. Ward, Bahar Shahidi> ;BMC Musculoskeletal Disorders. 2020 Nov 20
11 citations
Cell populations and muscle fiber morphology associated with acute and chronic muscle degeneration in lumbar spine pathology.
Bahar Shahidi, Michael C. Gibbons, Mary C. Esparza, Vinko Zlomislic, Richard Todd Allen, Steven R. Garfin, Samuel R. Ward> ;JOR Spine. 2020 Apr 8
11 citations
Comparison of lateral lumbar interbody fusion (LLIF) with open versus percutaneous screw fixation for adult degenerative scoliosis
John Attenello, Charles Chang, Yu-Po Lee, Vinko Zlomislic, Steven R. Garfin, Richard Todd Allen> ;Journal of Orthopaedics. 2018 Mar 20
75 citations
Lumbar multifidus muscle degenerates in individuals with chronic degenerative lumbar spine pathology.
Bahar Shahidi, James C. Hubbard, Michael C. Gibbons, Severin Ruoss, Vinko Zlomislic, Richard Todd Allen, Steven R. Garfin, Samuel R. Ward> ;Journal of Orthopaedic Research. 2017 May 23
102 citations
Contribution of Lumbar Spine Pathology and Age to Paraspinal Muscle Size and Fatty Infiltration
Bahar Shahidi, Callan L. Parra, David B. Berry, James C. Hubbard, Sara P. Gombatto, Vinko Zlomislic, R. Todd Allen, Jan M. Hughes-Austin, Steven R. Garfin, Samuel R. Ward> ;Spine. 2017 Apr 15
1 citations
Vasculopathy, Ischemia, and the Lateral Lumbar Interbody Fusion Surgery: Report of Three Cases.
David W. Allison, Richard Todd Allen, David D. Kohanchi, Collin B. Skousen, Yu-Po Lee, Jeffrey H. Gertsch> ;Journal of Clinical Neurophysiology. 2015 Dec 1
10 citations
Patient perceptions of physician reimbursement for spine surgery.
Neil Badlani, Jared R. Foran, Frank M. Phillips, Miguel A. Pelton, Kern Singh, Steven R. Garfin, R. Todd Allen> ;Spine. 2013 Jul 1
14 citations
An attempt at clinically defining and assessing minimally invasive surgery compared with traditional “open” spinal surgery
Paul C. McAfee, Steven R. Garfin, W. Blake Rodgers, R. Todd Allen, Frank M. Phillips, Choll W. Kim> ;SAS Journal. 2011 Dec 1
44 citations
The economics of minimally invasive spine surgery: the value perspective.
R. Todd Allen, Steven R. Garfin> ;Spine. 2010 Dec 15
75 citations
Minimally invasive spine surgery.
Paul C. McAfee, Frank M. Phillips, Gunnar Andersson, Asokumar Buvenenadran, Choll W. Kim, Carl Lauryssen, Robert E. Isaacs, Jim A. Youssef, Darrel S. Brodke, Andrew Ca...> ;Spine. 2010 Dec 15
22 citations
An Evidence-Based Approach to Spine Surgery:
R. Todd Allen, Jeffrey A. Rihn, Steven D. Glassman, Bradford L. Currier, Todd J. Albert, Frank M. Phillips> ;American Journal of Medical Quality. 2009 Nov 1
13 citations
Altered bioreactivity and limited osteoconductivity of calcium sulfate–based bone cements in the osteoporotic rat spine
Mark L. Wang, Jennifer Massie, Richard Todd Allen, Yu-Po Lee, Choll W. Kim> ;The Spine Journal. 2008 Mar 1
53 citations
Characterization of mature vs aged rabbit articular cartilage: analysis of cell density, apoptosis-related gene expression and mechanisms controlling chondrocyte apopt...
R. Todd Allen, Catherine M. Robertson, Frederick L. Harwood, Takahisa Sasho, Seth K. Williams, Adam C. Pomerleau, David Amiel> ;Osteoarthritis and Cartilage. 2004 Nov 1
223 citations
Prolonged storage effects on the articular cartilage of fresh human osteochondral allografts.
Seth K. Williams, David Amiel, Scott T. Ball, R. Todd Allen, Van W. Wong, Albert C. Chen, Robert L. Sah, William D. Bugbee> ;The Journal of Bone and Joint Surgery. American Volume. 2003 Nov 1
12 citations
Meniscal debridement with an arthroscopic radiofrequency wand versus an arthroscopic shaver: comparative effects on menisci and underlying articular cartilage
R. Todd Allen, James P. Tasto, Jeffrey L. Cummings, Catherine M. Robertson, David Amiel> ;Arthroscopy. 2004 May 1
12 citations
Biopsy of Osteoporotic Vertebral Compression Fractures During Kyphoplasty : Unsuspected Histologic Findings of Chronic Osteitis Without Clinical Evidence of Osteomyelitis
R. Todd Allen, Jennifer B. Kum, Noel Weidner, Jonah B. Hulst, Steven R. Garfin> ;Spine. 2009 Jun 15
19 citations
Upregulation of apoptotic and matrix-related gene expression during fresh osteochondral allograft storage.
Catherine M. Robertson, R.T. Allen, Andrew T. Pennock, William D. Bugbee, David Amiel> ;Clinical Orthopaedics and Related Research. 2006 Jan 1
71 citations
Analysis of Stored Osteochondral Allografts at the Time of Surgical Implantation
R. Todd Allen, Catherine M. Robertson, Andrew T. Pennock, William D. Bugbee, Frederick L. Harwood, Van W. Wong, Albert C. Chen, Robert L. Sah, David Amiel> ;The American Journal of Sports Medicine. 2005 Oct 1
78 citations
Analysis of Cartilage Tissue on a Cellular Level in Fresh Osteochondral Allograft Retrievals
Seth K. Williams, David Amiel, Scott T. Ball, R. Todd Allen, William L. Tontz, Bryan C. Emmerson, Neil Badlani, Shawn C. Emery, Parviz Haghighi, William D. Bugbee> ;The American Journal of Sports Medicine. 2007 Dec 1
30 citations
Chondrocyte Viability After Intra-articular Calcaneal Fractures in Humans:
Scott T. Ball, Kyle D. Jadin, R. Todd Allen, Alexandra K. Schwartz, Robert L. Sah, Michael E. Brage> ;Foot & Ankle International. 2007 Jun 1
39 citations
Bone morphogenetic protein-2 (BMP-2) in the treatment of pyogenic vertebral osteomyelitis.
R. Todd Allen, Yu-Po Lee, Elizabeth Stimson, Steven R. Garfin> ;Spine. 2007 Dec 15
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