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What is Subacromial Decompression?

Shoulder subacromial decompression (also called acromioplasty) is a surgical procedure to treat shoulder impingement, a common condition that causes weakness in your shoulder and pain when you raise your arm above your head. It is performed using keyhole surgery.

What does shoulder decompression surgery involve?

The aim of shoulder decompression surgery is to make more space under your acromion, a large bony projection on the top of shoulder blade, by removing some of the bone and tissue. It is performed under general anaesthetic as an arthroscopic procedure (keyhole surgery). A thin, flexible tube with a camera on one end called an arthroscope is inserted into a small incision in your shoulder. This allows your consultant to see inside the joint.

Why might I need shoulder decompression surgery?

Shoulder decompression surgery is used to treat shoulder impingement syndrome, which is common in active adults, particularly as they age. It is closely related to bursitis of the shoulder, which can occur at the same time.

How long does it take to recover?

You can normally go home once the effects of the anaesthetic have worn off although you shouldn’t drive. Your shoulder will feel sore and stiff after surgery but you can use ice and anti-inflammatories to reduce swelling. It will take around four months to recover fully from shoulder decompression surgery. You will be referred to a physiotherapist after surgery who will recommend exercises to improve movement and strengthen the muscles in your shoulder. It is important to do these exercises to relieve pain and prevent stiffness or recurrence.