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Subacromial Smoothing and Acromioplasty for Rotator Cuff Disorders

Subacromial Smoothing and Acromioplasty for Rotator Cuff Disorders

Surgery Overview

Surgery may be used to treat a rotator cuff disorder if the injury is very bad or if nonsurgical treatment has failed to improve shoulder strength and movement sufficiently. Subacromial smoothing involves shaving bone or removing growths on the upper point of the shoulder blade ( acromion ). It removes damaged tendon and bursa from the joint . The surgeon may also remove small amounts of bone from the underside of the acromion and the acromioclavicular joint (acromioplasty). The goal is to take away roughness while keeping as much of the normal supporting structures as possible. This surgery creates more room in the subacromial space. With more space, the rotator cuff tendon is not pinched or irritated and can glide smoothly beneath the acromion.

Subacromial smoothing, acromioplasty, and rotator cuff repair may be done using arthroscopic surgery or open surgery.

  • Open-shoulder surgery involves making a larger incision in the shoulder, to open it and directly view the repair.
  • Arthroscopy uses a thin viewing scope called an arthroscope that is inserted into a joint through a small incision in the skin. Then the surgeon will remove loose fragments of tendon, bursa, and other debris from the shoulder (debridement). Other instruments are then arthroscopically inserted to shave the bone or remove growths. This type of surgery is usually done on an outpatient basis.

You may have general anesthesia during arthroscopy, or you may have a regional nerve block .

  • If a nerve block alone is done, you may be awake. You will not feel any pain. But you may feel a sensation of pulling or tugging during the procedure.
  • At the start of the procedure, regional nerve blocks are sometimes used along with general anesthesia to help limit pain after surgery.

What To Expect After Surgery

You may go home a few hours after waking up from anesthesia. A family member or friend should drive you home. In some cases, the doctor may suggest that you stay overnight for help with pain and for observation. You will probably need help from friends or family for the first 2 weeks after surgery.

Discomfort after surgery may be relieved by:

  • Applying ice to the surgical site several times a day, as directed. Always keep a cloth between your skin and the ice pack.
  • Taking pain medicines as prescribed.
  • Immobilizing and protecting your shoulder by wearing a sling as directed. Your doctor will advise you whether you need a sling after surgery. Some doctors do not recommend this, because the shoulder joint may become stiff.

With a doctor's approval, you may be able to return to light work within a few days after surgery even if you are using a sling.

Physical therapy after surgery is crucial for a successful recovery. A typical rehabilitation schedule includes the following:

  • Range-of-motion exercises may start the day after subacromial smoothing surgery.
  • Strength training may begin a few weeks after surgery.

When normal shoulder strength and range of motion return, usually after about 6 to 8 weeks, you can gradually increase your activity level.

Why It Is Done

Smoothing may be done for people who:

  • Have severe pain and impaired shoulder function that has not responded to a few months of conservative treatment.
  • Are over 60 years old with severe rotator cuff tears and whose main problem is pain, not weakness.
  • Do not wish to have more extensive surgery to repair a rotator cuff tear.

Also, if you have a rotator cuff tear, you may have arthroscopic smoothing before open surgery.

How Well It Works

Most people who have surgery to smooth the bones and create more space for the rotator cuff usually have less pain with shoulder movement. 1

Risks

In addition to the general risks of surgery, such as blood loss or problems related to anesthesia, complications of subacromial smoothing surgery for rotator cuff disorders may include:

  • Persistent pain.
  • Stiffness or a frozen shoulder.
  • Infection.
  • Nerve or blood vessel injury.
  • Fractures . If too much bone gets shaved off during surgery, the upper edge of the shoulder blade may get weak. A fracture might occur.

What To Think About

Subacromial smoothing using arthroscopic surgery can usually improve shoulder function as well as open surgery can but without some of the drawbacks of open surgery. The benefits of arthroscopic surgery for subacromial smoothing include:

  • A shorter recovery time.
  • A shorter hospital stay, which may cost less.
  • Keeping the deltoid muscle attached, which aids rehabilitation.
  • The surgeon's ability to inspect and debride both surfaces of the rotator cuff, rather than just the outside.
  • Detecting other damage to the inside of the shoulder joint.

Complete the surgery information form (PDF) (What is a PDF document?) to help you prepare for this surgery.

References

Citations

  1. Beasley Vidal LS, et al. (2007). Shoulder injuries. In PJ McMahon, ed., Current Diagnosis and Treatment in Sports Medicine, pp. 118–145. New York: McGraw-Hill.

Other Works Consulted

  • Lin KC, et al. (2010). Rotator cuff: 1. Impingement lesions in adult and adolescent athletes. In JC DeLee et al., eds., DeLee and Drez's Orthopaedic Sports Medicine, Principles and Practice, 3rd ed., vol. 1, pp. 986–1015. Philadelphia: Saunders Elsevier.
  • Murphy RJ, Carr AJ (2010). Shoulder pain, search date August 2009. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.

Credits

By Healthwise Staff
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Timothy Bhattacharyya, MD
Last Revised October 7, 2013

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