Efficacy of direct arthroscopy-guided suprascapular nerve block after arthroscopic rotator cuff repair: a prospective randomized study

Purpose The purpose of this study was to evaluate the outcomes of arthroscopy-guided direct suprascapular nerve block performed after arthroscopic rotator cuff repair. Methods In the present prospective, randomized, double-blinded clinical study, 30 patients were divided into two groups: 15 patients...

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Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2015-02, Vol.23 (2), p.562-566
Main Authors: Lee, Jae Jun, Yoo, Yon-Sik, Hwang, Jung-Taek, Kim, Do-Young, Jeon, Seong-Jae, Hwang, Sung Mi, Jang, Ji Su
Format: Article
Language:English
Subjects:
Adult
Amides - administration & dosage
Anesthetics, Local - administration & dosage
Arthroscopy
Bone surgery
Double-Blind Method
Female
Fentanyl
General anesthesia
Humans
Injections
Ligaments
Male
Medicine
Medicine & Public Health
Middle Aged
Morphine
Nerve Block - methods
Orthopedics
Pain management
Pain Measurement
Pain, Postoperative - drug therapy
Patients
Postoperative period
Prospective Studies
Rotator cuff
Rotator Cuff - surgery
Rotator Cuff Injuries
Shoulder
Treatment Outcome
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Summary:Purpose The purpose of this study was to evaluate the outcomes of arthroscopy-guided direct suprascapular nerve block performed after arthroscopic rotator cuff repair. Methods In the present prospective, randomized, double-blinded clinical study, 30 patients were divided into two groups: 15 patients (group I) were treated with arthroscopy-guided suprascapular nerve block using 10 mL 0.5 % ropivacaine with 1:200,000 epinephrine, and 15 patients (group II) were treated with placebo using 10 mL 0.9 % saline after arthroscopic rotator cuff repair. Patient pain levels were measured using the visual analog scale (VAS) at 1, 3, 6, 12, 18, and 24 h post-operatively. Additionally, the number of boluses and total amount of fentanyl dispensed by patient-controlled analgesia administration during the 24-h post-operative period were evaluated. Results VAS scores did not differ significantly between groups I and II during the 24-h post-operative period, but mean fentanyl bolus consumption was significantly less in group I compared with group II ( p  = 0.015). Conclusion Arthroscopy-guided suprascapular nerve block at the end of a rotator cuff repair was safe and less time-consuming than expected. Although this procedure did not significantly reduce the post-operative pain, the post-operative need for fentanyl boluses as analgesia was reduced significantly, and it would be beneficial if this procedure involved a sensory branch of axillary nerve block or was performed at the beginning of the arthroscopic procedure. Level of evidence Prospective, randomized, double-blinded clinical trial, Level I.
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-013-2451-x