Ultrasound-guided suprascapular nerve block

What is an ultrasound-guided suprascapular nerve block?

An ultrasound-guided suprascapular nerve block is a medical procedure in which a local anesthetic injection is administered near the suprascapular nerve to relieve acute and chronic shoulder pain.

The suprascapular nerve originates in the neck and extends to the shoulder. It enters the back of the scapula and is accessible in the fossa of the same name. The suprascapular nerve provides sensation to the shoulder on its posterior and superior surface and is responsible for controlling some of the muscles that move the shoulder joint.
The local anesthetic injection temporarily blocks pain signals transmitted along the nerve, providing immediate relief. Although the block is temporary, several physiological mechanisms explain the block's longevity once the anesthetic has worn off.

What are the indications for ultrasound-guided suprascapular nerve block?

• Chronic shoulder pain: Suprascapular nerve block is often used to treat chronic shoulder pain that does not respond to other treatments, such as physical therapy, pain relievers, and nonsteroidal anti-inflammatory drugs.
• Rotator cuff injuries without surgical indication: Suprascapular nerve block may be a treatment option for patients with rotator cuff injuries without surgical indication or who, due to age or high surgical risk, cannot undergo surgery.
• Arthritis: Suprascapular nerve block may be useful for relieving pain associated with shoulder arthritis.
• Postoperative pain: It can be used as part of postoperative analgesia, especially after shoulder procedures, such as arthroscopic rotator cuff repair.
• Bursitis: Shoulder bursitis is an inflammation of the synovial bursa that protects the shoulder tendons. A suprascapular nerve block can help relieve the pain and inflammation associated with this condition.
• Suprascapular nerve neuralgia: Suprascapular nerve neuralgia is a painful condition that occurs when the suprascapular nerve is compressed or injured.

What is the ultrasound-guided suprascapular nerve block procedure?

The ultrasound-guided suprascapular nerve block procedure is usually performed in an outpatient setting and takes 5 to 10 minutes. Here is an overview of the procedure:

• Preparation: A prior ultrasound is performed, with examination of anatomical structures and marking of the entry site on the skin.
• Local anesthesia: A small amount of local anesthetic may be applied to the skin to reduce pain during the injection.
• Asepsis: The skin is cleaned with antiseptic, and the equipment and the field are prepared under strict aseptic conditions.
• Ultrasound guidance: Ultrasound is used to guide the needle toward the suprascapular notch and ensure the medication is administered in the correct location.
• Medication injection: The medication is administered through the needle, and we observe its diffusion into the suprascapular notch.

The introduction of ultrasound guidance gives this technique direct vision, precision, and safety, minimizing the complications associated with the blind technique.

Book an appointment with Dr. Jordi Jiménez. He will see you at the center of Palma de Mallorca and help you regain your quality of life.