04 Articular Cartilage 1 Flashcards Preview

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Flashcards in 04 Articular Cartilage 1 Deck (21):
1

80% of all ACL reconstructions are done by

surgeons who do less than 10 per year

2

What is one of the most common problems in the knee (esp. at the knee joint)

chondral injuries

3

What are examples of chondral injuries

- OA***
- RA
- OCD
- AVN

4

What is the 2nd most common surgery performed in orthopedics (next to meniscectomy)

chondral debridement

5

Hallmarks of OA aka

Fairbank's changes

6

What are Fairbank's changes?

- joint space narrowing
- bone spurs
- sclerotic borders
- subchondral bone cysts

7

What are the nonsurgical treatments of OA?

- drug therapy
- exercise
- weight loss
- aerobic exercise
- footwear
- surfaces
- PT

8

What is often done along with PT as a nonsurgical treatment of OA?

- OA unloader brace
- nutritional supplements
- intra-articular injections

9

What is one type of intra-articular injection done for OA?

Synvisc

10

What are the 3 classification systems for articular cartilage defects?

- Outerbridge classification
- Kellgren and Lawrence
- Classification ICRS

11

ICRS

international cartilage repair society

12

Outerbridge classification: how many grades?

4

13

Outerbridge classification: grade 1

softening of the cartilage

14

Outerbridge classification: grade 2

fibrillation of superficial part of cartilage

15

Outerbridge classification: grade 3

partial thickness lesion

16

Outerbridge classification: grade 4

full thickness lesion down to subchondral bone

17

What is the articular cartilage pathology that you "may not have seen, but it has seen you"

occult geographic bone contusions of the knee: the unknown

18

What are bone contusions?

trabecular micro-fractures that result from traumatic injuries to the bone

19

Where are bone contusions most common?

the knee

20

These patients have a high likelihood of getting a bone contusions. Where and what percentage?

- 80-100% of ACL patients also get bone contusions
- lateral compartment

21

Why do surgeons mark the exact spot where cartilage damage is on a grid?

may potentially affect PT