COTRCollaborative Orthopedic Trauma Research Group
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Collaborative Orthopedic Trauma Research Group

Better fracture care.

Independent research in Southern California's Inland Empire.

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Fig. 2 — Oblique distal-third tibial fracture, AO/OTA 42A2: reduction, medial plate, lag screw.

Research areas

What we work on

Five areas: imaging, outcomes, surgical technique, clinical AI, and population health.

All programs
  1. 01Clinical OutcomesRecovery, complications, and practice patterns after orthopaedic injury and treatment.Injury → treatment → recovery9pub · 9stud
  2. 02Surgical Anatomy & TechniqueCadaveric dissections, operative approaches, and techniques written so they can be repeated.Approach → exposure → technique7pub · 7stud
  3. 03AI & ImagingMachine learning and generative AI tested on radiographs, CT, MRI, and patient questions.Image → model → clinician7pub · 7stud
  4. 04Health Equity & PolicyHow housing, substance use, language, and other social factors relate to trauma care.Place → access → outcome1pub · 1stud
  5. 05EducationTextbook chapters and teaching material written for other clinicians.Evidence → chapter → clinician2pub · 2stud
Publications & studies

Papers and active studies

Manuscripts in preparation, under review, and published, plus the studies still enrolling.

All publications →
Publications
28
Presentations
56
Studies
28
People
3

In the pipeline

  1. 2026medRxiv · PreprintWhat Embedding-Based Guideline–Literature Drift Measures (and What It Doesn't): A Proof-of-Concept and Mechanistic Dissection of TIDE in Orthopedic SurgeryPreprint
  2. 2026Orthopedics · Journal ArticleImpact of Methamphetamine Use on Injury Characteristics and Postoperative Outcomes in Upper Extremity FracturesPublished
  3. 2026HAND · Meta-analysisMeta-analysis and Systematic Review of Diagnostic Performance of Machine Learning Algorithms on Skeletally Mature Wrist FracturesPublished
  4. 2026Trauma Case Reports · Case SeriesBone tunnel repair of traumatic lumbar hernias without mesh: A multidisciplinary case series and literature reviewPublished
Our People

The team

Faculty, residents, and medical students in the group.

Full team →
Collaborate

Propose a project, or join one

We take proposals from residents, students, and outside collaborators on a rolling basis. Many of our projects are proposed and developed by students.

Propose a project →Join the group
Get in Touch

Collaborate with us

We review proposals from residents, students, and external collaborators on a rolling basis.

Find us

Southern California's Inland Empire

Contact the group