Table 1 Overview of the nine questions that were posed to the audience

Frequency of cartilage surgery per year

None

10

10–50

51–100

>100

Preparation prior to MFX

Never

To calcifying layer

Partially remove calcifying layer

Complete removal of calcifying layer

Into subchondral bone

Preparation prior to ACI

Never

To calcifying layer

Partially remove calcifying layer

Complete removal of calcifying layer

Into subchondral bone

Acceptance of subchondral bleeding prior to MFX

No

Spot bleeding

Spread bleeding

n/a

n/a

Acceptance of subchondral bleeding prior to ACI

No

Spot bleeding

Spread bleeding

n/a

n/a

Management of bleeding prior to ACI

No

Manual compression

Electrocauthery

Fibrin glue

Adrenalin

Treatment of intralesional osteophytes prior to ACI

Topic unknown

Ignore

Removal with curette

Removal with burr

Other technique

How deep to remove intralesional osteophytes

Not

Partially over base of subchondral bone

Complete removal a niveau of subchondral bone

Complete removal under niveau of subchondral bone

n/a

Does defect-associated BME affect cartilage defect treatment

Yes

No

n/a

n/a

n/a