Secondary Arthritis of the Hip

Introduction

There are many conditions that can accelerate the wearing out of a hip joint: -

• Congenital Deformity
• Developmental Dysplasia
• Perthes' Disease
• Slipped Capital Femoral Epiphysis
• Septic Arthritis
• Avascular Necrosis
• Connective Tissue Disorders (Marfan's, Ehlers-Danlos Syndrome)
• Metabolic Conditions (e.g. Haemachromatosis, Alkaptonuria)
• Haemophilia
• Trauma to the Hip Joint (Especially traumatic dislocation of the hip)

Special considerations

When it comes to hip replacement for these conditions the risks and benefits of the operation are different to those arising from treating a simple case of osteoarthritis.

Consider how the underlying condition may increase the general risk of complications (e.g. Haemophilia, Metabolic Conditions, Coagulopathies) and how the local anatomy may increase the risk of complications in the hip joint (e.g. Cup Malposition, Impingement, Stem version, Stem fit'n'fill, Leg lengthening, Nerve Injury).

For these cases it is useful to have a plan-B and plan-C, with all the implants and devices required.

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