Research repository

Our work, in the record.

Peer-reviewed publications and conference proceedings from the MDevDev laboratory. Spine, joint reconstruction, sports medicine, trauma, in silico, in vitro, in situ, and in vivo.

Showing 77 of 77

2026

Journal article · Spine

Sacroiliac joint fixation with a posterior intra-articular implant versus a posterolateral transiliac implant: a biomechanical comparison

Huxman C, Tandio J, Beall D, Mayer S, Rogers A, Hedman TP, Hyde JA, Latif U, Raji RO, Leasure JM

N Am Spine Soc J
26:100871
PMID 41938703 ↗

2025

Journal article · Spine

A novel posterior implant system for sacroiliac joint fusion: preliminary cadaveric and clinical results

North J, Huxman C, Tandio J, Raji OR, Leasure JM, Hyde JA, Hedman TP, Rogers A

Cureus
17(8):e89633
DOI 10.7759/cureus.89633 ↗

2025

Journal article · Spine

Biomechanical restoration in unilateral facet arthroplasty: a cadaveric evaluation

Sturm CD, Mayer S, Tandio J, Leasure JM, Raji OR

N Am Spine Soc J
23:100766
PMID 40746903 ↗

2025

Journal article · Spine

Fixation of the sacroiliac joint: a cadaver-based concurrent-controlled biomechanical comparison of posterior interposition and posterolateral transosseous techniques

Raji OR, Pope JE, Falowski SM, Stoffman M, Leasure JM

Neurospine
22(1):185–193
PMID 40211526 ↗

2025

Journal article · Spine

Loss of mass and surface topography in 3D-printed solid titanium cages upon impaction: an in-vitro model

Tran T, Singleton I, Ungurean V, Rowland A, Raji OR, Kondrashov D

Neurospine
22(1)

2025

Conference proceeding · Spine

Sexual differentiation in pathomechanisms of the sacroiliac joint — centers, axes, zones and couplings of motion

Raji OR

Orthopaedic Research Society Annual Meeting (podium + poster)

2024

Journal article · Spine

Comparison of a novel posterior integrated transfixation sacroiliac joint fusion approach to the posterolateral and lateral approaches

Raji OR, Tandio JH, Mayer S, Escobar A, Himmelwright BA, Beall DP, Caraway DL, Leasure JM

Med Devices (Auckl)
17:385–399
DOI 10.2147/MDER.S474734 ↗

2024

Journal article · Spine

High incidence of dural tears with 3-column osteotomies: a systematic review of adult spinal deformity surgery literature for the past decade

Martin A, Zahir J, Smith N, Raji O, Nelles D, Kondrashov D

Spine Deform
DOI 10.1007/s43390-024-00916-w ↗

2024

Journal article · Spine

The "Hanging Garden" method of incidental durotomy repair: an illustrative case report and technique description

Martin A, Zahir J, Smith N, Raji O, Nelles D, Hsu K, Kondrashov D

Journal of Surgery
9:11182

2024

Journal article · Trauma

The effect of body weight on interfragmentary fracture strain in plate fixation of distal femur fractures: a finite element analysis

Shah ID, Schlauch AM, Phan L, Han J, Eng ORRM, Farrell B

Orthop Traumatol Surg Res
110(6):103868
DOI 10.1016/j.otsr.2024.103868 ↗

2024

Journal article · Sports medicine

Femoral interference-screw divergence as a result of anteromedial portal insertion and outside-in FlipCutter femoral tunnel drilling: a cadaveric study

Gardner C, Wu S, Zahir J, Dong O, Raji O, Leasure J, McGahan P

J Orthop
52:138–142
DOI 10.1016/j.jor.2024.03.035 ↗

2024

Journal article · Cross-cutting

Thermal damage in orthopaedics

Rowland AN, Raji OR, Nelles DB, Jang ES, Kondrashov DG

J Am Acad Orthop Surg
32(8):e368–e377
DOI 10.5435/JAAOS-D-23-00838 ↗

2024

Conference proceeding · Spine

Passive and active stability of the sacroiliac joint is influenced by coupled axial rotation motions

Raji OR, Leasure J

AAOS Annual Meeting (podium)

2024

Conference proceeding · Spine

Volumetric bone density on CT predicts pedicle screw pullout

Raji OR, Piple AS, Rowland A, Ungurean V, Tran T, Singleton IM, Denisov A, Kondrashov DG

AAOS + ORS Annual Meetings (podium + poster)

2024

Conference proceeding · Spine

Biomechanical restoration in unilateral facet arthroplasty compared to bilateral facet and total posterior arthroplasty

Raji OR, Sturm C, Mayer S, Tandio J, Leasure J

Congress of Neurological Surgeons (podium)

2024

Conference proceeding · Spine

Pathomechanisms of the sacroiliac joint

Raji OR

International Conference on Sacroiliac Joint Surgery (section speaker)

2024

Conference proceeding · Spine

Comparison of a novel posterior integrated transfixation SI joint fusion approach to the posterolateral and lateral approaches

Raji OR, Tandio J, Mayer S, Escobar A, Himmelwright B, Beall D, Caraway D, Leasure J

American Society of Pain and Neuroscience (poster)

2024

Conference proceeding · Spine

Sexual differentiation in sacroiliac joint kinematics: diagnosis and treatment of dysfunction

Raji OR, Leasure J

Sacroiliac Medical Expert Group

2024

Conference proceeding · Spine

Axial rotation is the dominant loading of the female sacroiliac joint and female motion qualities are asymmetric

Raji OR, Leasure J

AAOS Annual Meeting (poster)

2024

Conference proceeding · Spine

Regional displacements and axes of rotation of the sacroiliac joint: implications for treatment and stabilization

Raji OR, Mayer S, Leasure J

Orthopaedic Research Society Annual Meeting (podium + poster)

2024

Conference proceeding · Spine

3D-printed titanium cages lose mass and surface topography upon impaction

Tran T, Singleton IM, Ungurean V, Rowland A, Martin A, Raji OR, Kondrashov DG

Orthopaedic Research Society Annual Meeting (poster)

2024

Conference proceeding · Trauma

The effect of displacement of infratectal T-type acetabular fracture on contact pressure of the acetabulum

Sclauch AM, He B, Nalluri A, Shah I, Tran T, Ziper N, Tamer C, Devaki R, Raji OR, Farrell B

Orthopaedic Research Society Annual Meeting (poster)

2023

Journal article · Pain / interventional

Early functional outcomes in low back pain subjects with a novel interspinous fusion device: REFINE study 6-month results

Falowski SM, Raso LJ, Mangal V, Nairizi A, Patterson DG, Danko MD, Justiz R, Vogel RS, Koga S, Josephson Y, Pope JE, Raji OR

J Pain Res
16:4113–4126

2023

Journal article · Spine

An analysis of a decade of lumbar interbody cage failures in the United States: a MAUDE database study

Piple AS, Ungurean V Jr, Raji OR, Rowland A, Schlauch A, Kondrashov DG, Hsu K, Zucherman J

Spine (Phila Pa 1976)
48(23):1652–1657

2023

Journal article · Spine

Spinolaminar locking plates improve fixation strength compared to pedicle screws: a biomechanical analysis

Kondrashov DG, Piple AS, Ungurean V Jr, Schlauch AM, Rowland A, Tran T, Denisov A, Zaborovskii N, Raji OR

Spine Deform
11(6):1335–1345

2023

Journal article · Spine

Interspinous-interbody fusion via a strictly lateral surgical approach: a biomechanical stabilization comparison

Hedman TP, Ohnmeiss DD, Leasure J, Raji OR, Hochschuler SH

Cureus
15(7):e41918
DOI 10.7759/cureus.41918 ↗

2023

Journal article · Spine

Posterior intra-articular fixation stabilizes both primary and secondary sacroiliac joints: a cadaveric study

Sayed D, Amirdelfan K, Hunter C, Raji OR

J Orthop Surg Res
18(1):406
DOI 10.1186/s13018-023-03886-3 ↗

2023

Journal article · Spine

Are all cages created equal? Analysis of cervical cage malfunctions using the FDA MAUDE database

Ungurean V Jr, Piple AS, Raji OR, Rowland A, Schlauch A, Kondrashov DG, Hsu KY, Zucherman JF

Spine (Phila Pa 1976)

2023

Journal article · Trauma

Missing the first post-operative visit is an independent risk factor for 90-day complication and re-admission following hip fracture surgery

Schlauch A, Shah I, Farrell B, Raji OR, Caicedo M

J Orthop

2023

Journal article · Spine

Does the bone mineral density of the lumbar spine correlate with dual-energy X-ray absorptiometry T score? A cadaveric CT densitometry analysis

Odeh K, Rosinski A, Mittal A, Wu W, Pourtabib J, Leasure J, Kondrashov DG

Int J Spine Surg
17(1):132–138
PMID 36805549 ↗

2023

Journal article · Spine

Pyogenic spinal infections warrant a total spine MRI

Balcescu C, Odeh K, Rosinski A, Nudelman B, Schlauch A, Shah I, Ungurean V Jr, Prasad P, Leasure J, Stepansky F, Piple A, Kondrashov D

J Bone Jt Infect
8(1):1–9
PMID 36687464 ↗

2023

Journal article · Spine

C1–C2 facet joint penetration by C2 pedicle screws: influence of local anatomy, bone mineral density, and screw length

Rosinski A, Balcescu C, Singleton I, Mittal A, Odeh K, Ungurean V, Leasure J, Kondrashov D

Int J Spine Surg
17(1):76–85
PMID 36414377 ↗

2023

Conference proceeding · Trauma

The effect of gap and step-off displacement of infratectal T-type acetabular fractures on contact pressures of the acetabulum

Schlauch AM, He B, Nalluri A, Shah ID, Tran T, Caicedo M, Raji OR, Farrell B

European Orthopaedic Research Society

2023

Conference proceeding · Spine

Sexual differentiation in sacroiliac joint rotational motion zones, asymmetry, and stability

Raji OR, Leasure JM

World Congress on Pelvic Girdle & Low Back Pain / ORS

2023

Conference proceeding · Spine

Volumetric bone density on CT predicts pedicle screw pullout

Raji OR, Piple AS, Rowland A, Ungurean V, Tran T, Singleton IM, Denisov A, Kondrashov DG

International Spinal Deformity Symposium (podium)

2023

Conference proceeding · Spine

The sacroiliac joint axes of rotation: implications for rigid and dynamic stabilization

Raji OR, Leasure JM

World Congress on Pelvic Girdle & Low Back Pain (podium)

2023

Conference proceeding · Spine

Phenotyping sacroiliac joint dysfunction: a cadaveric biomechanical study of SI displacement under multidirectional bending

Raji OR, Mayer SM, Leasure JM

World Congress on Pelvic Girdle & Low Back Pain (poster)

2023

Conference proceeding · Trauma

The effect of body weight on interfragmentary fracture strain in plate fixation of distal femur fractures: a finite element analysis

Shah ID, Schlauch AM, Phan L, Han J, Raji OR, Farrell B

European Orthopaedic Research Society + Orthopaedic Trauma Association (podium)

2023

Conference proceeding · Spine

Clinical sacroiliac joint trans-fixation durability and bone-implant interface integrity: a concurrent biomechanical evaluation of the posterolateral techniques

Raji OR, Lamba R, Leasure J, Garamszegi L, Campanie K, Koga S, Stoffman M

CNS + American Society of Pain and Neuroscience (poster)

2023

Conference proceeding · Spine

Bone-implant integration influences the quality of sacroiliac joint stabilization: a biomechanical evaluation of the posterolateral techniques

Raji OR, Lamba R, Leasure J, Garamszegi L, Campanie K, Koga S, Stoffman M

Congress of Neurological Surgeons (poster)

2023

Conference proceeding · Spine

Optimization of the biomimetic organic lattice interbody for anterior cervical discectomy and fusion: a biomechanical evaluation

Raji OR, Leasure J, Garamszegi L, Campanie K, Stoffman M, Koga S

Congress of Neurological Surgeons (podium)

2023

Conference proceeding · Spine

Comparative subsidence analysis between 3D-printed bone-density-matched titanium and PEEK cervical interbody fusion devices

Raji OR, Leasure J, Garamszegi L, Campanie K, Stoffman M, Koga S

AANS + European Association of Neurological Surgeons (podium)

2023

Conference proceeding · Spine

Are all cervical cages created equal? A comprehensive analysis of a decade of adverse event reports in the US

Raji OR, Ungurean V, Piple A, Rowland A, Schluach A, Kondrashov DG, Hsu K, Zucherman J

AAOS + ORS Annual Meetings

2023

Conference proceeding · Spine

An analysis of a decade of lumbar interbody cage failures in the United States: a MAUDE database study

Raji OR, Piple A, Ungurean V, Rowland A, Schluach A, Kondrashov DG, Hsu K, Zucherman J

AAOS + ORS Annual Meetings

2022

Journal article · Joint reconstruction

Pelvic stability during simulated total hip arthroplasty motions: comparing different hip positioners

Mittal A, Chetty N, Pham T, Shah I, Raji R, Leasure J, McGann WA, DeMayo E

J Orthop
34:398–403
PMID 36325517 ↗

2022

Conference proceeding · Spine

Posterior fixation of the sacroiliac joint removes less bone and increases surface area: a computer model analysis

Raji OR, Espino E, Leasure J, Garamszegi L, Northcutt T, Campanie K, Falowski S, Stoffman M

Congress of Neurological Surgeons 2021 + American Society of Pain and Neuroscience 2022 (podium)

2022

Conference proceeding · Spine

Comparative analysis of the posterior and posterolateral approaches to minimally invasive sacroiliac joint fusion

Raji OR, Espino E, Leasure J, Garamszegi L, Northcutt T, Campanie K, Falowski S, Stoffman M

American Society of Pain and Neuroscience

2022

Conference proceeding · Spine

Are all cervical cages created equal? A comprehensive analysis of a decade of adverse event reports in the US

Raji OR, Ungurean V, Piple A, Rowland A, Schluach A, Kondrashov DG, Hsu K, Zucherman J

ORS-PSRS 5th International Spine Research Symposium + Cervical Spine Research Society (podium)

2021

Conference proceeding · Spine

Posterior transfixation of the sacroiliac joint: a biomechanical analysis

Raji OR, Lamba R, Leasure J, Garamszegi L, Campanie K, Stoffman M

Congress of Neurological Surgeons Annual Meeting

2021

Journal article · Spine

A cadaver-based biomechanical evaluation of a novel posterior approach to sacroiliac joint fusion

Sayed D, Amirdelfan K, Naidu RK, Raji OR, Falowski S

Med Devices (Auckl)
14:435–444

2021

Journal article · Spine

Improving the management of patients with osteoporosis undergoing spinal fusion: the need for a bone mineral density-matched interbody cage

Falowski SM, Koga SF, Northcutt T, Garamszegi L, Leasure J, Block JE

Orthop Res Rev
13:281–288
PMID 34934366 ↗

2021

Journal article · Spine

Alternatives to traditional pedicle screws for posterior fixation of the degenerative lumbar spine

Rosinski AA, Mittal A, Odeh K, Ungurean V, Leasure J, Telles C, Kondrashov D

JBJS Rev
PMID 34319968 ↗

2021

Journal article · Spine

In-vitro 3D analysis of sacroiliac joint kinematics: primary and coupled motions

Odeh K, Wu W, Taylor B, Leasure J, Kondrashov D

Spine (Phila Pa 1976)
PMID 33755035 ↗

2021

Journal article · Spine

Pedicle screws challenged: lumbar cortical density and thickness are greater in the posterior elements than in the pedicles

Odeh K, Rosinski A, Leasure J, Kondrashov D

Global Spine J
11(1):34–43
PMID 32875847 ↗

2021

Journal article · Spine

Novel total nucleus replacement using spherical magnetic beads: a biomechanical study

Balcescu C, Dhaliwal G, Dimov R, Chetty N, Rowland A, Raji OR, Leasure J, Kondrashov D

Journal of Spine
10(5):479

2020

Journal article · Spine

Non-pedicular fixation techniques for the treatment of spinal deformity: a systematic review

Rosinski A, Odeh K, Ungurean V Jr, Leasure J, Kondrashov D

JBJS Rev
8(5):e0150
PMID 32427778 ↗

2019

Journal article · Sports medicine

Biomechanical comparison of ulnar collateral ligament reconstruction with a modified docking technique with and without suture augmentation

Leasure JM, Reynolds K, Thorne M, Escamilla R, Akizuki K

Am J Sports Med
PMID 30689955 ↗

2019

Journal article · Trauma

Biomechanical comparison of first tarsometatarsal arthrodesis constructs over prolonged cyclic testing

Prieto-Diaz C, Anderle M, Brinker L, Allard R, Leasure J

Foot Ankle Orthop
4(4):1–8

2019

Journal article · Spine

Anterior lumbar interbody fusion may provide superior decompression of the foraminal space compared with direct foraminotomy: a biomechanical cadaveric study

Odeh K, Rosinski A, Nguyen J, Modak A, Leasure J, Siebert S, Kondrashov D

World Neurosurg
PMID 31678445 ↗

2019

Journal article · Spine

High prevalence of multifocal spine infections involving the cervical and thoracic regions: a case for imaging the entire spine

Balcescu C, Odeh K, Rosinski A, Wang J, Prasad P, Leasure J, Ungurean V, Kondrashov D

Neurospine
16(4):756–763
PMID 31284339 ↗

2019

Conference proceeding · Joint reconstruction

Mechanically stable allografts for hip replacements

Raji OR, Golden J, Lee J, Xu Z, O'Connell G, Jamali A

UCSF CCMBM & Department of Orthopedic Surgery Scientific Retreat (podium)

2018

Journal article · Spine

Assessment of biomechanical changes after sacroiliac joint fusion by 3-dimensional motion analysis

Jeong JH, Leasure JM, Park J

World Neurosurg
117:e538–e543
PMID 29933084 ↗

2018

Journal article · Spine

Biomechanics of unilateral and bilateral sacroiliac joint stabilization: laboratory investigation

Lindsey DP, Parrish R, Gundanna M, Leasure J, Yerby SA, Kondrashov D

J Neurosurg Spine
28(3):326–332
PMID 29303472 ↗

2017

Journal article · Spine

Changes in foraminal area with anterior decompression versus keyhole foraminotomy in the cervical spine

Nguyen J, Chu B, Kuo CC, Leasure JM, Ames C, Kondrashov D

J Neurosurg Spine
27(6):620–626
PMID 29027895 ↗

2017

Journal article · Spine

The pedicles are not the densest regions of the lumbar vertebrae: implications for bone quality assessment and surgical treatment strategy

Hohn EA, Chu B, Martin A, Yu E, Telles C, Leasure J, Lynch TL, Kondrashov D

Global Spine J
7(6):567–571
PMID 28894687 ↗

2016

Journal article · Sports medicine

Multidirectional tibial tubercle transfer technique: rationale and biomechanical investigation

Sarin VK, Camisa W, Leasure JM, Merchant AC

J Surg Orthop Adv
25(3):157–164
PMID 27791972 ↗

2016

Journal article · Joint reconstruction

Prophylactic cerclage with braided polyblend suture during femoral broaching

Nwankwo CD, Parrish R, Leasure J, McGann WA

Orthopedics
39(6):e1183–e1187
PMID 27504648 ↗

2016

Journal article · Spine

Biomechanical demands on posterior fusion instrumentation during lordosis restoration procedures

Kuo CC, Martin A, Telles C, Leasure J, Iezza A, Ames C, Kondrashov D

J Neurosurg Spine
25(3):345–351
PMID 27153144 ↗

2016

Journal article · Cross-cutting

A unilateral cervical spinal cord contusion injury model in non-human primates (Macaca mulatta)

Salegio EA, Bresnahan JC, Sparrey CJ, Camisa W, Fischer J, Leasure J, Buckley J, et al.

J Neurotrauma
33(5):439–459
PMID 26788611 ↗

2014

Journal article · Spine

Gait-simulating fatigue loading analysis and sagittal alignment failure of spinal pelvic reconstruction after total sacrectomy

Clark AJ, Tang JA, Leasure JM, Ivan ME, Kondrashov D, Buckley JM, Deviren V, Ames CP

J Neurosurg Spine
20(4):364–370
PMID 24460580 ↗

2014

Journal article · Spine

Biomechanical evaluation of an interfacet joint decompression and stabilization system

Leasure JM, Buckley J

J Biomech Eng
136(7)
PMID 24389961 ↗

2013

Journal article · Sports medicine

Biomechanical comparison of interference screw and cortical button with screw hybrid technique for distal biceps brachii tendon repair

Arianjam A, Camisa W, Leasure JM, Montgomery WH

Orthopedics
36(11):e1371–e1377
PMID 24200440 ↗

2013

Journal article · Joint reconstruction

Differences in knee joint kinematics and forces after posterior cruciate retaining and stabilized total knee arthroplasty

Wünschel M, Leasure JM, Dalheimer P, Kraft N, Wülker N, Müller O

Knee
20(6):416–421
PMID 23578828 ↗

2013

Journal article · Spine

Effect of severity of rod contour on posterior rod failure in the setting of lumbar pedicle subtraction osteotomy

Tang JA, Leasure JM, Smith JS, Buckley JM, Kondrashov D, Ames CP

Neurosurgery
72(2):276–283
PMID 23149956 ↗

2013

Journal article · Sports medicine

The effect of biceps adhesions on glenohumeral range of motion: a cadaveric study

McGahan PJ, Patel H, Dickinson E, Leasure J, Montgomery W 3rd

J Shoulder Elbow Surg
22(5):658–665
PMID 22999852 ↗

2011

Journal article · Joint reconstruction

Immediate changes of bone density caused by the implantation of a femoral stem — a DEXA study

Leichtle UG, Leasure J, Martini F, Leichtle CI

Hip Int
21(6):706–712
PMID 22117256 ↗

2009

Journal article · Trauma

Mechanical properties of human fetal talus

Mahmoodian R, Leasure J, Gadikota H, Capaldi F, Siegler S

Clin Orthop Relat Res
467(5):1186–1194
PMID 19142689 ↗

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