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KMID : 1040020180090010026
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International Journal of Pain
2018 Volume.9 No. 1 p.26 ~ p.34
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Efficacy of Blind Suprascapular Nerve Block for Pain Relief after Arthroscopic Rotator Cuff Repair
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Cho Nam-Su
Hong Se-Jung
Nam Ju-Hyun
Bae Sung-Ju
Lee Myeong-Gu
Ahn Jung-Tae
Rhee Yong-Girl
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Abstract
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Background: Suprascapular nerve block (SSNB) is possible in various ways and has been reported as safe and successful in pain relief after arthroscopic rotator cuff repair. However, efficacy of blind SSNB technique has not yet been fully clarified.
Purpose: To evaluate the effectiveness of blind SSNB technique on decreasing postoperative pain with arthroscopic rotator cuff repair.
Study Design: A prospective randomized comparative study
Methods: The 43 patients undergoing arthroscopic rotator cuff repair were allocated randomly to two groups as follows: group I (22 patients), intravenous (IV) PCA pumps (only PCA); group II (21 patients), IV PCA + SSNB using a blind technique (PCA + bSSNB). Pain visual analogue scale (VAS) scores were evaluated at 2, 6, 12, 24, and 48 postoperative hours. Furthermore, the degree of pain was compared according to cuff tear size.
Results: The mean VAS pain scores at postoperative hours 2 were 6.27 in group I and 5.43 in group II (P = 0.015). The mean VAS pain scores at postoperative hours 6 were 5.18 in group I and 4.43 in group II (P = 0.045). At 12, 24, and 48 hours postoperatively, there was no significant difference in the mean VAS pain scores between the two groups.
Conclusions: The group II (PCA + bSSNB) was a better pain control method than only PCA within the initial 12 postoperative hours. PCA + bSSNB is a cost-effective, time-saving, and easily performed method for postoperative pain control as an axis of multimodal pain control strategy.
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KEYWORD
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shoulder, rotator cuff tear, arthroscopic repair, postoperative pain control, suprascapular nerve block, blind technique
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