A new nerve block procedure for the suprascapular nerve based on a cadaveric study
Dai Matsumoto1, Naoki Suenaga, Naomi Oizumi
1Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Japan.
Journal of Shoulder and Elbow Surgery
|March 10, 2009
Summary
A new suprascapular nerve block (SSNB) procedure effectively reduced severe shoulder pain after rotator cuff repair. This innovative technique offers a safe and promising solution for post-operative pain management.
Area of Science:
- Orthopedic Surgery
- Pain Management
- Anatomy
Background:
- Post-rotator cuff repair surgery, severe shoulder pain is a common complication.
- Suprascapular nerve block (SSNB) is utilized for pain relief but often shows limited effectiveness.
Purpose of the Study:
- To develop a novel and more effective suprascapular nerve block (SSNB) procedure.
- To improve pain management following rotator cuff repair surgery.
Main Methods:
- Anatomical investigation of suprascapular nerve (SSN) sensory branches in 8 cadavers.
- Development of a new SSNB procedure based on anatomical findings.
- Evaluation of the new SSNB in 8 patients using Visual Analog Scale (VAS) scores pre- and post-procedure.
Main Results:
- Cadaver dissections revealed 2-3 sensory branches of the SSN near the scapular notch, perforating the supraspinatus muscle.
- Patients experienced significant pain reduction, with average VAS scores decreasing from 5.4 pre-SSNB to 0.8 at 4 hours post-SSNB.
- The developed SSNB procedure demonstrated effective pain control with no reported complications.
Conclusions:
- The novel SSNB method is safe and effective for managing post-operative shoulder pain after open rotator cuff repair.
- This technique is anticipated to become a valuable tool for pain relief in patients undergoing rotator cuff repair.
