Osteoarthritis Of The Hip Flashcards
what are the risk factors of developing OA
Categorised into systemic and local
Systemic: increasing age ( over 45 ), obesity, female, vit D deficiency
Local: history of trauma to hip, muscle weakness/joint laxity
What are the clinical features of OA in the hip
Pain in the groin aggravated by weight bearing, improved with rest
Pain is better in the morning, worse in the evening
Stiffness - improved by mobility, crepitation
Antalgic gait
Painful passive movement, reduced ROM,
In severe cases may have a trendelengburg gait
What are the differential diagnosis
Trochanteric bursitis
Gluteus medius tendinopathy
Sciatica
NOF #
What investigations need to be carried out
X ray
What are the signs on x ray of OA
Loss of joint space
Osteophyte production
Sclerosis of subchondral bone
Subchondral cysts
What classification system is used to classify OA progression
WOMAC
What is the initial management of OA
Adequate pain relief referring to the WHO pain ladder
Ensure mobility
Weight loss
Smoking cessation
Regular excersise
Physiotherapy
When is surgical intervention warranted
When conservative treatment has failed
What are the surgical treatments available
Hip Hemi arthroplasty or total arthroplasty of the hip
what are the different surgical approaches that one can take as a surgeon
Posterior approach
Anterolateral
Anterior
what are the common post - op complications
Bleeding
DVT
PE
Infection
Dislocation
Leg length discrepancy
How long are the current hip arthroplasty operations meant to last for
Designed to last for 15-20 years therefore depending on pts age, he/she may need a revision hip arthroplasty in the future
