If you've already had shoulder stabilization surgery and your shoulder still dislocates, or feels like it's about to, the problem is almost always structural. It's tempting to chalk it up to bad luck or to retry the same kind of repair. In most cases, neither is the right answer.
Why first-time stabilization sometimes fails
Most primary stabilization procedures (Bankart repairs in particular) are designed to reattach the labrum. They work well when the bone underneath is intact. The most common reason a stabilization fails is that there was already enough glenoid bone loss to make a soft-tissue-only repair insufficient, and that bone loss wasn't fully appreciated the first time around.
Common causes of recurrent instability
- Glenoid bone loss greater than 13 to 15%
- Engaging Hill-Sachs lesions on the humeral head
- Failed Bankart repair from sub-clinical bone loss
- Capsular laxity that wasn't addressed at the first surgery
- Cartilage damage that has progressed since the original injury
What revision evaluation looks like
A revision-focused evaluation starts with the imaging. New MRI is helpful, but high-resolution CT is often what reveals the bone loss that drives recurrent instability. From there, the question is whether a soft tissue revision will hold, or whether bone-augmentation procedures like a Latarjet or distal tibia allograft are needed.
Treatment options
Revision options depend on what was missed the first time. Latarjet procedures, distal tibia allograft, OATS for cartilage damage and combined approaches that address bone loss plus soft tissue insufficiency are all in the toolkit. The right answer comes from carefully reading the imaging and understanding the specific pattern of instability you're describing.
When to seek revision evaluation
If your shoulder has dislocated even once after a stabilization procedure, that's worth a specialist conversation. If it's dislocated multiple times, you've stopped using your arm in certain positions out of fear, or you've been told there's nothing more to do, a revision-focused evaluation is the right next step.
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