Ryland P. Kagan

Orthopedics

3181 SW Sam Jackson Park Rd
Portland, OR 97239

Last Updated: 09/26/2026

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Found 60 publications

Increased Risk of Periprosthetic Femoral Fracture with Cementless Collared Metadiaphyseal-Filling Stems Compared to Cemented Fixation for Femoral Neck Fractures in Patients Aged 65 Years or Older: An American Joint Replacement Registry Analysis.

Increased Risk of Periprosthetic Femoral Fracture with Cementless Collared Metadiaphyseal-Filling Stems Compared to Cemented Fixation for Femoral Neck Fractures in Patients Aged 65 Years or Older: An American Joint Replacement Registry Analysis.

Journal: The Journal of arthroplasty

Published: March 10, 2026

Cemented Femoral Stem Design Is Not Associated With Differences in All-Cause Revision or Specific Failure Modes After Total Hip Arthroplasty for Femoral Neck Fracture.

Cemented Femoral Stem Design Is Not Associated With Differences in All-Cause Revision or Specific Failure Modes After Total Hip Arthroplasty for Femoral Neck Fracture.

Journal: The Journal of arthroplasty

Published: December 12, 2025

Comparative Outcomes of Modular Versus Monoblock Fluted Tapered Stems in Revision Total Hip Arthroplasty: An American Joint Replacement Registry Analysis.

Comparative Outcomes of Modular Versus Monoblock Fluted Tapered Stems in Revision Total Hip Arthroplasty: An American Joint Replacement Registry Analysis.

Journal: The Journal of arthroplasty

Published: November 02, 2025

American Academy of Orthopaedic Surgeons Appropriate Use Criteria: Prevention of Orthopaedic Implant Infection in Patients Undergoing Dental Procedures.

American Academy of Orthopaedic Surgeons Appropriate Use Criteria: Prevention of Orthopaedic Implant Infection in Patients Undergoing Dental Procedures.

Journal: The Journal of the American Academy of Orthopaedic Surgeons

Published: October 22, 2025

Survivorship and Functional Outcomes of Condylar-Stabilized Total Knee Arthroplasty Designs: An Analysis of the American Joint Replacement Registry.

Survivorship and Functional Outcomes of Condylar-Stabilized Total Knee Arthroplasty Designs: An Analysis of the American Joint Replacement Registry.

Journal: The Journal of arthroplasty

Published: July 29, 2025

TNF-α signaling drives myeloid skewing and clonal expansion of stem and progenitor cells in RUNX1-familial platelet disorder.

TNF-α signaling drives myeloid skewing and clonal expansion of stem and progenitor cells in RUNX1-familial platelet disorder.

Journal: Haematologica

Published: July 10, 2025

The rate of hip arthroscopy subsequent to isolated periacetabular osteotomy for congenital hip dysplasia.

The rate of hip arthroscopy subsequent to isolated periacetabular osteotomy for congenital hip dysplasia.

Journal: Journal of clinical orthopaedics and trauma

Published: May 25, 2025

Cemented Femoral Stem Design Is Not Associated With Risk of Revision After Total Hip Arthroplasty in Patients Aged ≥ 65 Years: An Analysis of the American Joint Replacement Registry.

Cemented Femoral Stem Design Is Not Associated With Risk of Revision After Total Hip Arthroplasty in Patients Aged ≥ 65 Years: An Analysis of the American Joint Replacement Registry.

Journal: The Journal of arthroplasty

Published: May 20, 2025

Perioperative metformin use in patients undergoing total joint replacement surgery: protocol for a randomised, placebo-controlled pilot study.

Perioperative metformin use in patients undergoing total joint replacement surgery: protocol for a randomised, placebo-controlled pilot study.

Journal: BMJ open

Published: April 09, 2025

Vaccination is associated with reduced mortality rates after surgery for hip fractures in the setting of recent COVID-19 infection: an observational study from the Kaiser Permanente Northern California Database.

Vaccination is associated with reduced mortality rates after surgery for hip fractures in the setting of recent COVID-19 infection: an observational study from the Kaiser Permanente Northern California Database.

Journal: Acta orthopaedica

Published: March 17, 2025

Risk of perioperative mortality and venous thromboembolism after total hip or knee arthroplasty with recent COVID-19 infection: an observational study from the Kaiser Permanente Northern California Database.

Risk of perioperative mortality and venous thromboembolism after total hip or knee arthroplasty with recent COVID-19 infection: an observational study from the Kaiser Permanente Northern California Database.

Journal: Acta orthopaedica

Published: March 12, 2025

Mobile Bearing Total Knee Arthroplasty Is Associated With an Increased Risk of Mechanical Loosening: A Follow-Up Analysis of the American Joint Replacement Registry.

Mobile Bearing Total Knee Arthroplasty Is Associated With an Increased Risk of Mechanical Loosening: A Follow-Up Analysis of the American Joint Replacement Registry.

Journal: The Journal of arthroplasty

Published: January 21, 2025

Showing 1-12 of 60

Last Updated: 09/26/2026