Chief of Orthopedic Trauma Surgery

Karen E. Nelson,
DO

Chief of Orthopedic Trauma Surgery at University Medical Center of Southern Nevada. Specializing in traumatic injuries, total joint replacement, and advanced joint reconstruction — with a particular focus on complex pelvic fractures.

Hospital
UMC Southern Nevada
Level
Level I Trauma Center
Faculty
Kirk Kerkorian School of Medicine, UNLV
Dr. Karen E. Nelson
Las Vegas, NV UMC Southern Nevada
Medical Degree — Touro College of Osteopathic Medicine
Residency — Henry Ford Macomb
Fellowship — Orthopedic Trauma, UMC
01 — About

A surgeon's focus on the moments that matter most.

Dr. Nelson is an orthopedic surgeon specializing in traumatic injuries, total joint replacement, and advanced joint reconstruction, with a particular focus on complex pelvic fractures. She is deeply committed to supporting patients through some of their most challenging moments and takes great joy in celebrating their recoveries.

Dr. Nelson earned her medical degree from Touro College of Osteopathic Medicine. She completed her orthopedic surgery residency at Henry Ford Macomb Hospital in Michigan, followed by a fellowship in orthopedic trauma at University Medical Center in Las Vegas. She currently serves as an Assistant Professor of Orthopedic Surgery and the medical student clerkship director at the Kirk Kerkorian School of Medicine at UNLV. She is also the Program Director for the UMC Orthopedic Trauma Fellowship.

An advocate for academic medicine, Dr. Nelson has authored multiple peer-reviewed publications and presented her research at national orthopedic conferences — including this year's AAOS Best Paper for Practice Management. She is actively involved in medical education, dedicating additional time to the medical school's simulation center to support student learning.

Dr. Nelson also contributes to the advancement of the orthopedic community in Nevada. She is a board member of the Nevada Orthopedic Society and is the founder of the Nevada Women's Orthopaedic Society, and is committed to elevating health care across the state.

Outside of medicine, Dr. Nelson enjoys spending quality time with her family and exploring the outdoors through backpacking, snowboarding, biking, and running.

02 — Clinical Focus

Conditions & procedures.

i.

Complex Pelvic & Acetabular Fractures

Surgical management of complex pelvic ring injuries and acetabular fractures resulting from high-energy trauma — a particular area of focus.

ii.

Anterior Total Hip Replacement

Minimally invasive direct anterior hip replacement, designed to reduce soft-tissue disruption and support a faster, more comfortable recovery.

iii.

Robotic Total Knee Replacement

Robotic-assisted total knee arthroplasty, combining 3D pre-operative planning with intraoperative navigation for precise implant alignment.

iv.

Long Bone Fractures

Intramedullary nailing and plating of femur, tibia, and humerus fractures — including open and periarticular injuries.

v.

Polytrauma & Post-Traumatic Reconstruction

Coordinated orthopedic care for patients with multi-system injuries, plus revision surgery for nonunions, malunions, and limb salvage.

vi.

Geriatric Fragility Fractures

Hip fractures and other low-energy fractures in older adults, with emphasis on rapid surgery and return to function.

03 — Research & Awards

Academic medicine, publicly recognized.

Awards & Recognition

  • 2026

    AAOS Best Paper — Practice Management

    Recognized at this year's American Academy of Orthopaedic Surgeons annual meeting for research on practice management in orthopedic surgery.

  • 2024

    VEGAS INC — 40 Under 40

    Honored as one of Southern Nevada's top emerging leaders for her work in complex orthopedic surgery and her advocacy for women in orthopedics.

  • 2022

    UNLV School of Medicine — Top Educator of the Year

    Recognized by the Kirk Kerkorian School of Medicine at UNLV for outstanding contributions to medical student and resident education.

  • Ongoing

    Founder — Nevada Women's Orthopaedic Society

    Founded a statewide mentorship community for women in orthopedic surgery — a specialty where women still represent roughly 12% of practicing physicians.

  • Ongoing

    Board Member — Nevada Orthopedic Society

    Serves on the leadership board, advancing the orthopedic profession and patient care across the state of Nevada.

Peer-Reviewed Publications

Trauma Systems & Epidemiology

Research examining how external forces — including statewide stay-at-home directives during the COVID-19 pandemic — shape orthopedic trauma volume, mechanism of injury, and care delivery at Level I trauma centers.

Fracture Care & Surgical Technique

Case reports and technical contributions on complex fracture patterns, including unusual injury mechanisms with retained foreign bodies and surgical management of high-energy trauma.

Medical Education & Residency Training

Analysis of how the orthopedic surgery residency match has evolved — including the impact of the ERAS preference-signaling system on interview invitations and match outcomes.

Practice Management

Recent research recognized with the 2026 AAOS Best Paper for Practice Management, addressing operational and systems-level questions in orthopedic practice.

View publications on PubMed →
Patient Reviews
04 — Patient Resources

Helpful information, written clearly.

Recovery

Recovery Exercises

AAOS-curated guides for restoring strength and mobility after orthopedic surgery — including total hip, total knee, shoulder, and low back recovery programs.

Read on OrthoInfo →
Hip

Anterior Hip Replacement

The direct anterior approach is a minimally invasive technique that uses a smaller incision and disrupts less soft tissue, often allowing for a quicker recovery.

Read on OrthoInfo →
Knee

Robotic Total Knee Replacement

Robotic-assisted joint replacement combines 3D pre-operative planning with real-time intraoperative navigation, helping surgeons place implants with greater precision.

Read on OrthoInfo →
05 — Contact

Referrals, media, and appointments.

Follow-up appointments are scheduled through the UMC Orthopedics clinic. For physician referrals, media inquiries, or speaking engagements, please use the appropriate contact below.

Clinic
UMC Orthopedic & Spine Institute 2231 W Charleston Blvd, Las Vegas, NV 89102
Appointments
(702) 383-2663 That's 702-383-BONE — UMC Orthopedic & Spine Institute
Physician Referrals
Karen.nelson@unlv.edu For urgent cases, call the UMC transfer center
Media & Speaking
Karen.nelson@unlv.edu Press inquiries and speaking engagements