Hip Dysplasia Flashcards
will hip laxity cause osteoarthritis overtime?
yes
what happens with subluxation with activity?
forces increased in subluxated hip
stress on cartilage is on a smaller area
what does laxity lead to?
remodeling
when are clinical signs usually first seen with hip dysplasia?
4-12 months of age
how much should a dog be able to internally and externally rotate its hip?
45 degrees internal rotation
90 degrees external rotation
to have an official OFA designation, how old does a dog need to be when it gets radiographs?
2 years of age or older
what does a penn hip radiograph look at?
distraction index- laxity
what is a morgan line?
linear density between the head and great troachanter of the femur
early osteophyte
are most dysplastic dogs asymptomatic?
yes
what is the first step in older dogs with hip dysplasia with osteoarthritis?
medical management
what is the primary option in small dogs?
surgery
when must juvenile pubic symphysiodesis be performed?
at or before 4 months
what does the amount of rotation with juvenile pubic symphysiodesis depend on?
growth potential
what is a double/triple pelvic osteotomy?
rotation of the acetabular portion of the joint
what is placed for closed reduction of a dorsal luxation?
ehmer sling
what is surgical management of an older dog with hip dysplasia?
total hip arthroplasty
femoral head and neck ostectomy
what is the sole purpose of a femoral head and neck ostectomy?
eliminate pain
what is a total hip arthroplasty?
replacement of entire hip joint: acetabulum and femoral component
what is the primary concern with a total hip arthroplasty?
infection
