Hip Disorders (2)

Question 1

What is the general hip diagnosis for ages 0-2?

Answer 1

Congenital dislocations

Septic arthritis

Question 2

What is the general hip diagnosis for ages 4-8?

Answer 2

Perthes disease

Question 3

What is the general hip diagnosis for ages 9-15?

Answer 3

SCFE and Apophysitis

Question 4

What is the general hip diagnosis for ages 14-25?

Answer 4

Osteochondritis dissecans

Overuse injury

Strains

Osteitis pubis

Question 5

What is the general hip diagnosis for ages 30-50?

Answer 5

Rheumatoid arthritis

Question 6

What is the general hip diagnosis for ages 55+

Answer 6

DJD and hip fractures

Question 7

What is the linkage between hip fractures and hospitalizations?

Answer 7

2nd leading cause of hospitalizations in older adults

Question 8

What is the association between hip fracture and deep vein thrombosis?

Answer 8

Those who have hip fracture are at a high risk for deep vein thrombosis

Question 9

What is the primary mechanism for hip fracture?

Answer 9

Pre operative traction

Pre operative antibiotics

Early surgery

Question 10

What does pre operative antibiotics decrease?

Answer 10

Deep tissue infections and UTI

Question 11

What does getting surgery 24-48 hours after the fracture decrease?

Answer 11

decreased risk of mortality and pressure ulcers

Question 12

What percentage of hip fractures are at the femoral neck?

Answer 12

45%

Question 13

What percentage of hip fractures are intertrochanteric?

Answer 13

45%

Question 14

What percentage of hip fractures are subtrochanteric?

Answer 14

10%

Question 15

What may be required with a femoral neck fracture?

Answer 15

Hemi-arthroplasty

Question 16

What are the complications due to a intrascapular femoral neck fracture?

Answer 16

Disruption of blood supply to femoral head

High incidence of healing complications

Question 17

What is the weight bearing status for a femoral neck fracture?

Answer 17

Weight bearing as tolerated (depends on stability of internal fixation)

Question 18

What is the weight bearing status of intertrochanteric?

Answer 18

Depends on degree of fracture stabilization, bone stock, patients frailty, and risk of immobility

Question 19

What is the weight bearing status of subtrochanteric?

Answer 19

Delayed until fracture demonstrates evidence of healing

Question 20

What is a superior femoral neck fracture?

Answer 20

Tension side (unstable)

Question 21

What is the inferior femoral neck fracture?

Answer 21

Compression side (stable)

Question 22

What are the risk factors of a stress fracture of the hip?

Answer 22

Females

Low aerobic fitness starting intense exercise

Overuse

Smoking

Steroids

Question 23

Fatigue fracture

Answer 23

Normal bone subject to abnormal stress

Question 24

Insufficiency fracture

Answer 24

Abnormal bone subject to normal stress

Question 25

What causes femoroacetabular impingement?

Answer 25

Abnormal acetabulum

Abnormal femur

Leads to increased stress

Question 26

What is pincer type FAI?

Answer 26

Women

Question 27

What is cam type FAI?

Answer 27

Men

Question 28

What are some signs of FAI?

Answer 28

Young patients with hip pain

Reduced ROM in flexion and IR

Repetitive microtrauma

Increased incidence of early OA

Question 29

What are risk factors of labral tears?

Answer 29

Perthes disease

Previous trauma

FAI

Repetitive pivoting or hip flexion

Question 30

How is the acetabulum in pincer type FAI?

Answer 30

Overcoverage

Question 31

How is the acetabulum in cam type FAI?

Answer 31

Overgrowth (femoral head jams into acetabulum)

Question 32

What surgery is used for both pincer and cam FAI?

Answer 32

Arthroscopic osteoplasty (good results)

Question 33

What’s the gold standard for diagnosis of a labral tear?

Answer 33

Arthroscopy

Question 34

How is labral tear surgery if OA is present?

Answer 34

Increased incidence of failure