COTRCollaborative Orthopedic Trauma Research Group
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In the Lab

Current studies

Active, pending, and recently completed work — grouped by program.

Pelvis & Acetabular Surgery

A shift towards earlier weight bearing after pelvic ring fractures

Temporal trend toward earlier postoperative weight bearing after pelvic ring fractures; accepted at WOA (poster COS), manuscript submitted for open-access publication.

Submission
Published

Femoral Head Fractures

Trauma · Acceptance
Published

Pelvic Ring Injuries: Stable or Not?

Trauma · Acceptance
Published

Quantification of Sacroiliac and Sacral Exposure via the Lateral Window Approach: Impact of Anterior Superior Iliac Spine Osteotomy

Trauma · Acceptance

Trauma Outcomes & Recovery

Published

30-Year-Old Male with Delayed Diagnosis and Management of Chronic Post-Traumatic Atlantoaxial Rotatory Subluxation

Spine · Acceptance

A shift towards earlier weight bearing after pelvic ring fractures

Temporal trend toward earlier postoperative weight bearing after pelvic ring fractures; accepted at WOA (poster COS), manuscript submitted for open-access publication.

Submission
Published

AI and clavicle

Compared readability and quality of six AI chatbots answering patient questions about clavicle fracture treatment; published in Cureus (2025).

Acceptance
Published

AI and Rib fractures review

Systematic review of AI diagnostic accuracy for rib fracture detection on X-ray and CT versus physicians; published in J Imaging Informatics in Medicine (2025).

Acceptance
Published

Bone Tunnel Repair of Traumatic Lumbar Hernias Without Mesh: A Multidisciplinary Case Series and Literature Review

Trauma · Acceptance
Published

Calcaneus fractures review

Review of calcaneus fracture management, surgical approaches, and recent advances; published in JAAOS (2025).

Acceptance
Published

Can Laser-Assisted Indocyanine Green Angiography Be Used to Quantify Perfusion Changes During Staged Fixation of Pilon Fractures? A Pilot Study

Trauma · Acceptance
Published

COVID Hip Fractures

Retrospective review of hip fracture care across pre-, early-, and late-COVID periods at a Level 1 trauma center; published in JAAOS Global (2024).

Acceptance
Published

Delayed Diagnosis and Management of Traumatic Cervical Spine Subluxation

Spine · Acceptance
Published

Femoral Head Fractures

Trauma · Acceptance

Homelessness

Orthopedic trauma presentation and outcomes among patients experiencing homelessness; abstract accepted at WOA, manuscript submitted to JAAOS.

Submission

Language and hip fractures

Chart-review study of primary language (and race/ethnicity) and hip fracture care/outcomes, using propensity-score matching; manuscript submitted.

Submission
Published

Machine Learning on Adult Wrist Radiographs

Meta-analysis of machine-learning diagnostic performance for scaphoid, distal radius, and other wrist fractures versus experts; published in HAND (2026).

Acceptance

Meth and lower extremity trauma

Retrospective chart review of methamphetamine use in lower-extremity trauma (>1,100 patients); abstracts accepted (COS/AAOS), manuscripts on disposition and outcomes submitted.

Submission
Published

Modified subvastus approach — medial distal femur (cadaveric)

Trauma · Acceptance

OTA Survey Approach

Survey of OTA surgeons on preferred surgical approach; manuscript submitted to the Journal of Orthopaedic Trauma.

Submission
Published

Pelvic Ring Injuries: Stable or Not?

Trauma · Acceptance
Published

Percutaneous medial distal femur plating (cadaveric)

Trauma · Acceptance

Proximal humeral fractures

Proximal humeral fractures analyzed in the NIH All of Us database; abstracts submitted (OTA/WOA/CUSM), manuscript submitted to Orthopedics.

Submission
Published

Quantification of Sacroiliac and Sacral Exposure via the Lateral Window Approach: Impact of Anterior Superior Iliac Spine Osteotomy

Trauma · Acceptance
Published

Removal of bent/broken tibial IM nails (systematic review)

Trauma · Acceptance
Published

Tibial Shaft Fractures

Trauma · Acceptance

Surgical Innovation & Biomechanics

Accepted

ASIS osteotomy/SI joint

Cadaveric ASIS osteotomy / SI joint study (CUSM surgery course; 12 cadavers, 24 hemipelvises); protocol finalized, paper ~90% written. FOT grant application planned.

Acceptance
Published

Bone Tunnel Repair of Traumatic Lumbar Hernias Without Mesh: A Multidisciplinary Case Series and Literature Review

Trauma · Acceptance
Published

Calcaneus fractures review

Review of calcaneus fracture management, surgical approaches, and recent advances; published in JAAOS (2025).

Acceptance
Published

Can Laser-Assisted Indocyanine Green Angiography Be Used to Quantify Perfusion Changes During Staged Fixation of Pilon Fractures? A Pilot Study

Trauma · Acceptance
Published

Modified subvastus approach — medial distal femur (cadaveric)

Trauma · Acceptance

OTA Survey Approach

Survey of OTA surgeons on preferred surgical approach; manuscript submitted to the Journal of Orthopaedic Trauma.

Submission
Published

Percutaneous medial distal femur plating (cadaveric)

Trauma · Acceptance
Published

Quantification of Sacroiliac and Sacral Exposure via the Lateral Window Approach: Impact of Anterior Superior Iliac Spine Osteotomy

Trauma · Acceptance
Published

The Significance of Adverse 3rd-Body Wear Damage in the Failure of Metal-on-Metal Bearing Used in Resurfacing and Total Hip Arthroplasty

Adult Reconstruction · Acceptance

Population Health & Access

Homelessness

Orthopedic trauma presentation and outcomes among patients experiencing homelessness; abstract accepted at WOA, manuscript submitted to JAAOS.

Submission

Language and hip fractures

Chart-review study of primary language (and race/ethnicity) and hip fracture care/outcomes, using propensity-score matching; manuscript submitted.

Submission

Meth and lower extremity trauma

Retrospective chart review of methamphetamine use in lower-extremity trauma (>1,100 patients); abstracts accepted (COS/AAOS), manuscripts on disposition and outcomes submitted.

Submission

Proximal humeral fractures

Proximal humeral fractures analyzed in the NIH All of Us database; abstracts submitted (OTA/WOA/CUSM), manuscript submitted to Orthopedics.

Submission

Infection, Perfusion & Complications

Published

Bacterial Septic Arthritis of the Adult Native Knee Joint: A Review

General · Acceptance
Published

Can Laser-Assisted Indocyanine Green Angiography Be Used to Quantify Perfusion Changes During Staged Fixation of Pilon Fractures? A Pilot Study

Trauma · Acceptance

AI in Medicine

Published

AI and clavicle

Compared readability and quality of six AI chatbots answering patient questions about clavicle fracture treatment; published in Cureus (2025).

Acceptance
Published

Generative AI and Achilles Tendon Questions

Assessed readability and quality of six generative AI chatbots answering patient questions on Achilles tendon rupture; published in Cureus (2025).

Acceptance
Published

Machine Learning on Adult Wrist Radiographs

Meta-analysis of machine-learning diagnostic performance for scaphoid, distal radius, and other wrist fractures versus experts; published in HAND (2026).

Acceptance
Published

Neural networks to predict osteoarthritis

Deep-learning networks assign a continuous regression score of knee osteoarthritis severity from radiographs; published in Orthopedics (2024).

Acceptance

Other research

Published

A2 pulley strains

Ultrasound study of sex differences in finger flexor pulley morphology and grip strength in recreational rock climbers; published in Cureus (2025).

Acceptance
Published

AI and meniscus tears review

Systematic review of AI diagnostic accuracy for detecting meniscus tears on MRI versus physicians; published in Cureus (2025).

Acceptance
Published

Characteristics and Outcomes of Venous Thromboembolism-Related Litigation in Orthopaedic Surgery

General · Acceptance
Published

Secondary Chondrosarcoma Arising from the Proximal Fibula Presenting as Sciatica

Tumor · Acceptance
Published

Short Tau Inversion Recovery Magnetic Resonance Imaging for Staging and Screening in Myxoid Liposarcoma

Tumor · Acceptance
Published

The Effect of Non-steroidal Anti-inflammatory Drugs on Osteosarcoma Cells

Tumor · Acceptance
Published

TIDE — Guideline–Literature Drift

TIDE (Temporal Index of Divergent Evidence) is a proof-of-concept study of how orthopedic guideline recommendations and related PubMed literature align or drift topically over time. The medRxiv preprint compares three orthopedic cases and tests the meaning and limitations of the embedding signal. It measures topical alignment, not whether evidence supports or opposes a recommendation. Preprint posted September 29, 2026; not peer reviewed.

AI · Writing