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Integrated Spine Research Program News


Philip Paschal, MS Spine Third Place Meeting Presentation Clinical Research (Mentor Frank P Cammisa, MD Bone Health and Implant Integration) The Clinical Survivorship of Bacteria Positive Culture Patients at Time of Index Lumbar Fusion Surgery.

Gregory Paschal, MS Spine Honorable Mention Meeting Presenter Clinical Research (Mentor Celeste Abjornson, PhD Musculoskeletal Pain) Intravenous Acetaminophen Improves Patient Outcomes and Decreases Opioid Use in Lumbar Fusion.

Abstracts presented by Celeste Abjornson, PhD,  Philip Paschal, MS and Gregory Paschal, MS


Celeste Abjornson, PhD Virtual Guest Speaker


Gregory Paschal and ISRP Team,  “I wanted to take a moment to express my sincere gratitude for allowing me to be a mentee in part of your amazing lab project and continuously reviewing my work and forms over the year.”  Thank you so much!  Sungjae

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5th Annual Doc’s Health Spine Arthroplasty Summit-  Guest Speaker (virtual) Celeste Abjornson PhD, Los Angeles, CA Nov 2023


“A Comprehensive Review of Lumbar Circumferential Fusion- Pedicle Screw Fixation vs. Interlaminar Fusion Stabilization”  Philadelphia, PA November 2023

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Attended North North American Spine Society Annual Conference,  Los Angeles, CA, October 2023

Finn and Barbara Caspersen Fellowship for Spine Research

Philip K. Paschal, MS

The Finn and Barbara Caspersen Fellowship for Spine Research provides research support for the Integrated Spine Research Program (ISRP), led by Dr. Frank P. Cammisa and Dr. Celeste Abjornson, which conducts both basic science and clinical research. Spine Service Research Assistant, Philip K. Paschal, is currently involved with prospectively researching clinical outcomes of spinal devices made from a certain polymer (PEKK) when used in anterior cervical discectomy and fusion (ACDF) surgery. He is also determining the colonization rate of occult bacteria in the superficial and deep tissue layers of healthy patients undergoing primary instrumented lumbar spine surgery. Most recently, he has delivered a virtual course describing the connection between the gut microbiome and the spine and has presented his work at several national and international conferences.

Benjamin M. Rosen Fellowship in Spine Surgery

Gregory Paschal, MS

Gregory Paschal is a researcher in the Integrated Spine Research Program led by Dr. Frank P. Cammisa and Dr. Celeste Abjornson and oversees the basic science lab for the program. He is currently studying the biological response of mesenchymal stem cells on 3D printed titanium spinal implants to optimize surface morphology for bone regeneration and healing. He is also managing multiple clinical studies, including a prospective analysis of IV versus oral acetaminophen as a method to decrease opioid use perioperative to instrumented lumbar fusions, as well as a retrospective review of allograft cellular bone matrix as an alternative to iliac crest autograft in anterior cervical discectomy and fusion. He has recently presented his research both nationally and internationally at the International Society for the Advancement of Spice Surgery (ISASS), Society for Minimally Invasive Spine Surgery (SMISS), and North American Spine Society (NASS) annual meetings.

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Global Spine Congress

Avrumova F, Abel F, Goldman S, Abjornson C, Lebl DR. Robotic- Navigated Assistance In Spine Surgery: A Single Surgeon Experience With 1001 Pedicle Screws. AO Spine: Global Spine Congress. Prague, Czechia. 6/2023​


* Best Poster Nominee. Paschal G, Paschal P, Avrumova F, Goldman S, Sokunbi G, Lebl DR, Cammisa F, Abjornson C. 3D Optimization Of Titanium Implant Surface Structure For Intervertebral Fusion. EFORT. Vienna, Austria 5/2023.​

 *Best Poster Nominee. Paschal P, Paschal G, Gatan M, Goldman S, Avrumova F, Abjornson C, Lebl DR, Cammisa FP. Novel Poly-Ether-Ketone-Ketone versus Titanium Interbody Cages in Patients Undergoing ACDF Procedures, a Prospective Evaluation. EFORT. Vienna, Austria 5/2023.​

F, Sama A, Cammisa F, Abjornson C,  Lebl DR. Single-Center Randomized Control trial of Intravenous vs. Oral Acetaminophen Administration in Perioperative Care of 1 and 2 Level LLIFs with Instrumented Posterior Lumbar Fusion: a Comparative Effectiveness Study. EFORT. Vienna, Austria 5/2023​

Abel F, Avrumova F, Goldman SN, Abjornson C, Lebl DR. Robotic-Navigated Assistance In Spine Surgery: A Single Surgeon Experience With 1001 Pedicle Screws. European Federation of National Associations of Orthopaedics and Traumatology (EFORT). Vienna, Austria 5/2023.​


Whitecloud Award Finalist – Best Basic Science/Translational Paper  ​

 “Effects on Clinical Outcomes and Analysis on Culture Positive Patients who Underwent Primary Lumbar Fusion”  Paschal P, Paschal GK, Abjornson C, Sama AA, Girardi FP, Lebl DR, Cammisa FP​


Avrumova F, Abel F, Paschal P, Carrino J, Lebl DR. Are Biplanar Projection Radiographs Sufficient to Confirm Intra-operative Pedicle Screw Placement? AAOS. Las Vegas, NV 3/2023​

Avrumova F, Zelenty WD,  Goldman S, Abel F, Tang K, Abjornson C, Lebl DR. Comparison of Pedicle Screw Accuracy Using Two Different Robotic Techniques: A Matched Cohort Study. AAOS Las Vegas, NV 3/2023​