Research & Publications
Dr Ryan's peer-reviewed papers and published research.
Table of Contents
Papers
Peer-reviewed papers by Dr Ryan on shoulder, elbow, hip and knee surgery. Select Download to read the full paper.
Upper Cervical Deformity Secondary to Hydrocephalus
A case study on a rare spinal deformity linked to hydrocephalus.
Total Elbow Replacement Arthrofibrosis
Research on stiffness complications after elbow replacement surgery.
Uncemented Total Hip Replacement
Clinical findings on hip replacement performed without bone cement.
Ultra Low Velocity Knee Dislocation in Obese Patients
A current-concepts review of low-impact knee dislocations in patients with obesity.
Tapered Uncemented Stems for Hip Replacement
Outcomes using tapered stem implants in hip replacement surgery.
Reverse Shoulder Replacement for Humeral Fractures
Using reverse shoulder replacement to treat fractures of the upper arm bone.
Quality of Recovery After Hip and Knee Arthroplasty in South Africa
A South African study on patient recovery after hip and knee replacement.
Radiology of Uncemented Hip Stems in Rheumatoid Arthritis
Imaging findings for hip implants in patients with rheumatoid arthritis.
Component Positioning in Anterior Approach Hip Replacement
How implant positioning affects outcomes in anterior hip replacement.
Humeral Resurfacing
An alternative to full shoulder replacement using humeral resurfacing.
Intraneural Lipoma of the Common Peroneal Nerve
A rare nerve tumour case affecting the lower leg.
Optimising Perioperative Care for Hip and Knee Replacement
Improving patient care before and after joint replacement surgery.
Extended Length of Stay After Hip Replacement
What drives longer hospital stays after hip replacement surgery.
Chronic Shoulder Dislocations
Managing long-standing, repeated shoulder dislocations.
Glenoid Hypoplasia
An underdeveloped shoulder socket and how it is treated.
Arthroscopic Soft Tissue Repair for Shoulder Dislocations
A keyhole surgery technique for repairing shoulder dislocations.
HIV Infection and Prosthetic Joint Replacement
How HIV status affects outcomes in joint replacement surgery.
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Medically reviewed by Dr Paul Ryan, Orthopaedic Surgeon (HPCSA Mp0541214). Last reviewed 2026-10-05. This page is general information and does not replace a consultation. Each paper remains the copyright of its original publisher and is shared for professional and educational use.
Related: Shoulder Conditions · Elbow Conditions · Hip Conditions · Knee Conditions