SLAP Repair

SLAP (superior labrum anterior to posterior) repair is a surgical procedure used to treat tears in the superior labrum, a ring of cartilage surrounding the shoulder socket (glenoid). This type of tear affects the labrum from the front (anterior) to the back (posterior) and can compromise the stability and function of the shoulder joint. SLAP repair typically involves reattaching the torn cartilage to the bone, helping restore shoulder stability and reduce pain.

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Dr Dennis Ng Zhaowen
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Indications for SLAP Repair

A SLAP repair is recommended when conservative management fails to alleviate symptoms or when the tear leads to functional impairment. Common indications include:

  • Chronic Shoulder Pain: Persistent shoulder pain that worsens with overhead movements, sometimes radiating to the upper arm or accompanied by clicking or popping sounds.
  • Instability and Weakness in the Shoulder Joint: A sensation of the shoulder ‘giving way’ during activities, with accompanying weakness in raising or rotating the arm.
  • Loss of Shoulder Function: Difficulty performing everyday tasks, such as lifting or reaching overhead, particularly in individuals requiring significant shoulder mobility.
  • Failed Non-Surgical Treatments: Surgery is considered when symptoms persist for 3 to 6 months, despite physiotherapy, anti-inflammatory medication, or lifestyle modifications.
  • Associated Injuries or Structural Abnormalities: Co-existing issues, such as rotator cuff tears or biceps tendon injuries, may necessitate surgery to restore stability and function.

Benefits of SLAP Repair

SLAP repair has several advantages and addresses both the short- and long-term functional needs of the patient. The benefits include:

  • Improved Shoulder Stability - Reattaching the labrum restores the integrity of the shoulder joint, preventing dislocations and episodes of instability.
  • Pain Relief and Symptom Management - SLAP repair reduces pain caused by the tear and biceps tendon strain, along with alleviating clicking, grinding, or locking sensations that disrupt joint function.
  • Restored Range of Motion and Strength - Surgery allows for gradual improvement in shoulder mobility and strength while restoring normal function.
  • Prevention of Further Shoulder Damage - Early SLAP tear repair helps prevent joint degeneration and associated injuries, such as rotator cuff damage or chronic instability.
  • Minimally Invasive Surgical Option - Arthroscopic SLAP repair involves smaller incisions, quicker recovery, and a lower risk of infection.

Techniques Used in SLAP Repair

SLAP repair can be performed using two main surgical approaches:

Arthroscopic Repair

This method involves inserting a small camera (arthroscope) and surgical tools through small incisions to visualise and repair the tear. The labrum is reattached to the glenoid using sutures or anchors. This minimally invasive approach results in smaller scars, reduced infection risks, and faster recovery times compared to open surgery.

Open Surgical Repair

This procedure is performed through a larger incision, providing direct access to the shoulder joint. This technique is typically reserved for complex cases or when additional repairs, such as rotator cuff repair, are required. Although it allows for better joint visualisation, it involves a longer recovery period and a higher risk of complications than arthroscopic repair.

Preoperative Evaluation and Preparation

Before undergoing SLAP repair, patients undergo comprehensive preoperative assessments to ensure they are fit for surgery.

Medical History Review

The surgeon reviews the patient’s medical history, focusing on previous shoulder injuries and health conditions, such as diabetes or hypertension, which could impact surgery or recovery. This helps ensure the patient is fit for the procedure and anaesthesia.

Physical Examination

A thorough physical exam assesses the shoulder’s stability, range of motion, and pain points. The surgeon looks for signs of instability, such as the shoulder slipping or feeling weak, and evaluates movement limitations, including difficulty raising or rotating the arm.

Imaging Tests

MRI or ultrasound scans confirm the presence and extent of the SLAP tear, providing detailed visuals of the joint. These tests also help identify other injuries, such as rotator cuff tears or biceps tendon damage, which may need to be addressed during surgery.

Medication Adjustments

Patients may need to stop medications like blood thinners before surgery to reduce bleeding risks. Other prescribed medications will be reviewed to determine if adjustments are needed for a safe procedure.

Fasting Instructions

Patients scheduled for general anaesthesia must fast for 6 to 8 hours before surgery to prevent complications, such as aspiration, which occurs when stomach contents enter the lungs during anaesthesia.

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Step-by-Step Procedure

The SLAP repair procedure generally follows these steps:

Anaesthesia

General anaesthesia is used to keep the patient unconscious and pain-free throughout the procedure. In some cases, a regional nerve block is used to numb the shoulder and arm, sometimes combined with sedation.

Incision and Access

In arthroscopic repair, small incisions are made to insert the arthroscope and instruments. In open surgery, a larger incision is made to access the joint directly, which may be necessary for complex tears or if additional repairs are required.

Anchor Placement

The surgeon examines the joint to confirm the location and extent of the SLAP tear, identifying any additional damage. Once the tear is identified, small anchors with attached sutures are placed into the glenoid bone. These anchors provide secure points for reattaching the labrum to its original position.

Labrum Reattachment

The surgeon pulls the torn labrum back into place and secures it using the sutures attached to the anchors.

Closure

Once the labrum is reattached, the small incisions are closed using stitches or surgical tape. A sterile dressing is applied over the incisions to protect the surgical site from infection and promote healing.

Post-Operative Care and Rehabilitation

Following surgery, a structured post-operative care and rehabilitation programme is necessary for healing and restoring function.

Immediate Post-Operative Care

After surgery, the arm is immobilised in a sling for several weeks to protect the repair. Pain management may include prescribed medications or nerve blocks to alleviate discomfort. Patients must keep the surgical site clean and dry to prevent infection, following detailed wound care instructions provided.

Recovery Timeline

Recovery from SLAP repair typically spans several months and follows a phased approach. The arm remains in a sling for the first 4 to 6 weeks, during which passive motion exercises are introduced to prevent stiffness. From 6 to 12 weeks, patients begin active exercises to restore mobility. Strengthening exercises follow between 3 and 6 months, focusing on rebuilding shoulder strength and stability. Full recovery, including the ability to return to sports or heavy activities, is expected within 6 to 12 months, with regular follow-ups to monitor progress and address any complications.

Potential Risks and Complications of SLAP Repair

While SLAP repair is generally safe, some risks include infection at the incision site and stiffness leading to restricted shoulder movement. Rare complications include nerve injury during surgery and reactions to anaesthesia, both of which are uncommon but may impact recovery.

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Effective & Evidence-Based Orthopaedic Care

Dr. Dennis Ng is dedicated to understanding your unique needs, focusing on restoring
your active lifestyle and overall well-being.

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Specialised Experience In Complex Procedures

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PATIENT-CENTRED & PERSONALISED APPROACH

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Dedicated Aftercare For Optimal Recovery

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AFFORDABLE & TRANSPARENT PRICING

Dr Dennis Ng Zhaowen

  • Senior Consultant Orthopaedic Specialist
MBBS (Singapore)
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MRCSEd
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MMED
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FRCSEdOrth (Gold Medal Award)

Before private practice, Dr Dennis Ng was the former Deputy Head of the Shoulder & Elbow Division and Sports Knee Division in National University Hospital.

He completed his fellowship at the prestigious Fowler Kennedy Sports Medicine Centre in London, Ontario, Canada, and has rich experience treating professional athletes and returning them to sports. 

Special areas of interests include keyhole and reconstructive procedures of the knee and ankle. 

Common procedures include ACL Reconstruction, Meniscus repair, Cartilage resurfacing, Knee preservation etc.

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    Mount Elizabeth Novena Specialist Centre

    38 Irrawaddy Road #08-41
    Singapore 329563

    Monday – Friday: 9am – 1pm; 2pm – 5pm
    Saturday: 9am – 1pm
    Sunday & PH: CLOSED

    Other Clinic Location

    Gleneagles Medical Center

    6 Napier Road #07-15
    Singapore 258499

    Monday – Friday: 9am – 1pm; 2pm – 5pm
    Saturday: 9am – 1pm
    Sunday & PH: CLOSED

    Frequently Asked Questions (FAQs)

    Can SLAP tears heal without surgery?

    In some cases, small SLAP tears may improve with rest, physiotherapy, and anti-inflammatory medications. However, more severe tears often require surgery, especially if the patient experiences ongoing pain, instability, or functional limitations.

    Can SLAP repair affect long-term shoulder function?

    Most patients regain full shoulder function with proper rehabilitation, but some may experience mild residual stiffness or occasional discomfort.

    How soon can I return to work?

    The timeline for returning to work depends on the nature of the job. Sedentary jobs may be resumed within a few weeks, but jobs requiring heavy lifting or overhead activity may take several months, following the surgeon’s clearance.

    +65 9751 1486