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Alaska Hand-Elbow-Shoulder is home to Alaska's premier upper extremity surgical specialists. We provide care for orthopedic injuries and conditions of the hand, wrist, elbow, and shoulder as well as fracture care and sports medicine. Call AkHES today to schedule your appointment.

SLAP Injury

The shoulder joint is like a ball and socket. The socket is like a shallow cup with a meniscus or rope-like rim called the labrum. The top of the labrum acts as a biceps tendon attachment and this is the area where SLAP tears occur. Tears can occur at any portion of the labrum.

Normal Shoulder - no SLAP
normal_labrum _interop_small

What is a SLAP Injury?

Labral tears of the superior labrum have been recognized for many years. Andrews first recognized Superior Labral Tears in throwing athletes in 1985. Later in 1990, Snyder classified these lesions and coined the term “SLAP” for Superior Labrum Anterior Posterior lesions.

Type I is a frayed labrum but still attached to the glenoid rim superiorly.
Type II have detached labrum from the rim with detached biceps anchor.
Type III are described as “bucket handle” like, the labrum is torn away yet the biceps anchor remains.
Type IV are a bucket handle tear with a tear that extends into the biceps.

SLAP 1b
Type_II_Labral_Tear_interop_

Symptoms and Diagnosis:

History is important since SLAP tears are felt to occur from repetitive trauma in overhead throwers such as baseball players, volleyball players, basketball players. SLAP tears can also occur from climbing accidents, climbing injuries, falls, and/or lifting heavy objects acutely.

Symptoms are often vague and difficult to interpret. There is often a deep ache, clicking or grinding with motion of the shoulder. A throwing position may make symptoms worse and often there is moderate difficulty in sleeping on that shoulder at nights.

Diagnosis can be difficult but usually can be made with a good physical exam. X-rays are often taken to rule out small fractures of the rim of the glenoid or bone spurs, and a MRI arthrogram, which is an MRI with a dye injection into the shoulder, is often helpful to confirm the diagnosis. It may also help rule out other causes of pain such as a rotator cuff tear or biceps tear. MRIs are not always required, however occasionally a coexistent rotator cuff tear may exist. SLAP tears may lead to early arthritis of the shoulder joint by wear and tear of the flap or labrum rim in the joint.

MRI_labral_tear_large

Treatment Options:

Usually depends on activity level and symptoms. Often ice, heat, anti-inflammatories, as well as physical therapy are tried for a period of time. If conservative treatment fails with persistence of symptoms, then arthroscopic evaluation and treatment is considered.

SLAP tears are usually repaired with an arthroscopic means if the repair or debridement is possible. For either, a small 3- to 5-mm diameter arthroscope is inserted into either the front, lateral, anterior or all three positions for the shoulder diagnosis and for confirmation of the injury.

Next, the tear is debrided (another word for trimmed) and/or repaired. The repair requires roughening of the rim of the glenoid superiorly and then placement of small suture anchors into the bone with the sutures tied over the labrum and/or biceps anchor for repair.

SLAP 4 - repair final
4-2_SLAP_repair
4-1_SLAP_repair

 

If the SLAP is found to be un-repairable, because of its poor tissue or nature and extent of tear, then the biceps tenodesis is performed. Biceps tenodesis is a procedure where the biceps insertion at the top of the labrum is actually cut, through the scope, and then either through arthroscope or small anterior open incision the biceps is inserted into the bone of the bicipital groove within the neck of the humerus. This procedure is often performed in patients that are over 40 years of age or with a type IV lesion, or if there is a moderate degenerative tear that has been present for a long time and does not have a high likelihood of healing with repair.

Bicep tenodesis

Bicep tenodesis

Rehab:

Most importantly, your doctor and your concomitant diagnosis will dictate rehab protocol. This protocol is for an isolated SLAP repair and biceps tenodesis. The biceps tenodesis progresses a little faster since it is a more secure fixation.

Phase I

Goal #1 Reduce pain and inflammation, which is done with pain medications as needed, anti-inflammatories as needed, ice to the shoulder full-time for 24 hours then on and off for three to four days, and heat for comfort after four days.

Goal #2 Protection of the surgical site includes keeping initial post-op dressing covered with a small plastic bag or suran wrap with tape on the sides and the top to shower for the first five days, cleaning well under the armpit and placing baby powder under the armpit with a towel to keep maceration from occurring. In five days the dressing can be removed and shower directly over the wound if there is no seepage or drainage from the wound. A sling should be worn for seven to ten days at all times but can be removed to exercise the elbow and do gentle pendulums. There should be no driving until out of sling and when the surgeon gives approval for driving.

Goal #3 Minimize stiffness, begin gentle pendulums day 1 after surgery, or after the motor control returns after an interscalene block or anesthetic block has worn off, gentle range of motion of the neck, elbow and back recommended, gentle strengthening of grip with clay in the hand or a foam ball is okay, and passive and active forward flexion and abduction three times a day as tolerated, external rotation gently to 30 degrees. No shoulder extension or external rotation in abduction into a throwing position for 12 weeks. No biceps strengthening until 8 weeks, only weight of a coffee cup or a coke should be loaded in the hand for 8 weeks, and this would include no acute push/pull or lift stress on a biceps or SLAP repair.

Three to Eight Weeks: Continue active range of motion and passive range of motion with forward flexion abduction with gentle external rotation to full external rotation by 8 weeks. External rotation 45 degrees in plane of scapula.

Eight to twelve weeks: Slow increased extension, slow full range of motion active and passive, joint mobilization with stretching with isometric strengthening until 8 weeks, then isotonic at 10 weeks and isokinetic exercises after 12 to 14 weeks.

Phase II

Twelve weeks plus: Sport and work specific rehab is planned, progressive increase in activities with isokinetic strengthening, sport specific exercises as noted, controlled swimming, golf swing, light weights, light fishing.

Phase III

Once 70 to 80% of contralateral strength is obtained, approximately 4 to 6 months, then full return to all activities.

protocolprotocol

A Patient’s Perspective:

For many good ideas on preparing for surgery and for post-op from a patient’s perspective, please click here.

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