Table 3 Participants’ answers to the questions

1

How many revACLr surgeries do you perform with the one-stage technique and how many with the two-stage technique?

100% one-stage; 0% two-stage

90% one-stage; 10% two-stage

80% one-stage; 20% two-stage

70% one-stage; 30% two-stage

24 (47.1%)

16 (31.4%)

10 (19.6%)

1 (1.9%)

2

What diagnostic tests/tools do you use to plan an ACL revision surgery?

AP and LL X-ray + WB X-ray

AP and LL X-ray + WB X-ray + stress X-ray

AP and LL X-ray + WB X-ray + CT

AP and LL X-ray + WB X-ray + CT + MRI

6 (11.8%)

0 (0%)

11 (21.6%)

34 (66.7%)

3

If a previous ACL reconstruction with patellar tendon fails, what’s your graft of choice?

Hamstrings

Quadriceps tendon

Allograft

Synthetic graft

33 (64.7%)

2 (3.9%)

16 (31.4%)

0 (0%)

And if a previous ACL reconstruction with hamstring fails, what’s your graft of choice?

Patellar tendon

Contralateral hamstrings

Allograft

Synthetic graft

29 (56.9%)

6 (11.8%)

16 (31.4%)

0 (0%)

4

What is your technique to make the femoral tunnel?

Trans-tibial

Transportal (antero-medial)

Outside-in

Decision case by case

5 (9.8%)

10 (19.6%)

15 (29.4%)

21 (41.1%)

5

What is the role of lateral extra-articular tenodesis (LET) in ACL revision surgery?

I always perform

I always perform except in revACLr with patellar tendon

I perform only in cases with a high-grade pivot shift test

I perform only in young patients with a risk of re-injury

19 (37.3%)

0 (0%)

29 (56.9%)

3 (5.9%)

6

What do you do in the case of a patient with primary or secondary varus (according to the Noyes classification) with pain and instability secondary to failure of a previous ACL reconstruction surgery?

revALCr + tibial osteotomy

Isolated revACLr

Isolated tibial osteotomy

First step: tibial osteotomy; second step: revACLr

28 (54.9%)

5 (9.8%)

1 (2%)

17 (33.3%)

7

What meniscal injuries do you treat in ACL revision surgery?

Root lesion

Ramp lesion

Bucket handle lesion

Every type of lesion

0 (0%)

0 (0%)

1 (2%)

50 (98%)