Background: The aim of this study was to compare the analgesic efficacy of subacromial bursae block (LA), suprascapular nerve block (SSB), and interscalene brachial plexus block (ISB) after arthroscopic shoulder surge...Background: The aim of this study was to compare the analgesic efficacy of subacromial bursae block (LA), suprascapular nerve block (SSB), and interscalene brachial plexus block (ISB) after arthroscopic shoulder surgery. Methods: 91 patients scheduled to undergo an arthroscopic shoulder acromioplasty under GA in an outpatient setting were included. The patients were prospectively randomized into 4 groups: 1) interscalene brachial plexus block, 2) suprascapular nerve block, 3) subacromial bursae block, 4) control group for comparison. Pain scores (VAS), supplemental analgesia, and side effects were recorded in the recoveryroom, 4 hours and 24 hours after surgery. Results: Group ISB had significantly lower pain scores at rest in the postanesthesia care unit than the SSB group (p = 0.037) and the control group (p = 0.0313). The same results were seen 4 hours follow-up. The LA group had significantly lower pain scores at rest in the postanesthesia care unit than the control group (p = 0.046) and after 4 hours follow-up significantly lower pain scores than both the SSB group (p = 0.021) and the control group (p = 0.037). After 24 hours, there were no differences between the two groups. Conclusion: In this prospective, randomized, blinded study we demonstrated that a single-dose interscalene brachial plexus block (ISB) and a subacromial bursae block (LA) are equal and the most efficient analgesic techniques after arthroscopic shoulder acromioplasty. LA is less expensive, faster and with fewer complications than ISB and therefore we suggest subacromial bursae block is an effective, safe and easy way of postoperative pain reduction after arthroscopic acromioplasty. Level of evidence: Level I. Treatment study.展开更多
Septic arthritis of the shoulder is uncommon in the immunocompetent patient with no previous risk factors for joint infection. We treated an immunocompetent patient who developed septic arthritis of the shoulder after...Septic arthritis of the shoulder is uncommon in the immunocompetent patient with no previous risk factors for joint infection. We treated an immunocompetent patient who developed septic arthritis of the shoulder after suprascapular nerve block for pain due to rotator cuff tear. An 80-year-old man with no underlying disease visited a nearby orthopedics clinic with complaint of left shoulder joint pain. Left suprascapular nerve block was performed, but the pain gradually aggravated. On the day after the block, he had a fever of 39°C and came to our department. On examination, enlargement and tenderness were present at the injection site. Cellulitis at the site was suspected. He was admitted and administration of a cephem anti-biotic was started. Pain subsequently decreased. Magnetic resonance imaging (MRI) performed 4 days after hospitalization showed massive effusion close to the injection site. The effusion spread into the joint cavity through the tear site of the supraspinatus. Septic arthritis of the shoulder was strongly suspected, open irrigation and debridement were performed 11 days after hospitalization. After surgery, pain immediately improved. In our case the extra-articular infection caused by suprascapular nerve block considered to spread into the shoulder joint cavity through the site of rotator cuff tear, although there have been no reports of such cases. This case suggests the possibility that patients with rotator cuff tear may easily develop septic arthritis because extra-articular infection may spread into the joint cavity through the site of tear.展开更多
Introduction: Analgesia following shoulder surgery commonly uses interscalene nerve blockade. When contraindicated (i.e. respiratory compromise), suprascapular nerve blockade can provide a viable alternative. Although...Introduction: Analgesia following shoulder surgery commonly uses interscalene nerve blockade. When contraindicated (i.e. respiratory compromise), suprascapular nerve blockade can provide a viable alternative. Although a number of techniques have been used, Barber in 2005 described a simple method using anatomical landmarks. While theoretically straightforward, substantive evidence supporting the advantages attributed to the technique has yet to be identified. The present study anatomically examines the technique proposed by Barber to critically assess its potential to benefit clinical practice. Materials and Methods: Using the technique proposed by Barber in 2005, the Nevaiser portal was used to introduce a K-wire into the supraspinous fossa in the region of the suprascapular nerve. A spinal needle was inserted in the same manner and left in position in the presumed region of the transverse scapular ligament. Tissue was dissected out around the wire and needle to visualize their proximity to the suprascapular nerve and transverse scapular ligament respectively. Results: The K-wire was consistently located close to the suprascapular nerve with all cases being within 5 mm. Spinal needle placement relative to the transverse scapular ligament was variable with 50% anterior, 25% posterior, and 25% displaced (likely due to dissection). Conclusions: The results illustrate that it is possible to reliably place a needle close to the suprascapular nerve using the technique described by Barber in 2005. This study provides anatomical confirmation of Barbers description of a simple technique and the basis for clinical study.展开更多
文摘Background: The aim of this study was to compare the analgesic efficacy of subacromial bursae block (LA), suprascapular nerve block (SSB), and interscalene brachial plexus block (ISB) after arthroscopic shoulder surgery. Methods: 91 patients scheduled to undergo an arthroscopic shoulder acromioplasty under GA in an outpatient setting were included. The patients were prospectively randomized into 4 groups: 1) interscalene brachial plexus block, 2) suprascapular nerve block, 3) subacromial bursae block, 4) control group for comparison. Pain scores (VAS), supplemental analgesia, and side effects were recorded in the recoveryroom, 4 hours and 24 hours after surgery. Results: Group ISB had significantly lower pain scores at rest in the postanesthesia care unit than the SSB group (p = 0.037) and the control group (p = 0.0313). The same results were seen 4 hours follow-up. The LA group had significantly lower pain scores at rest in the postanesthesia care unit than the control group (p = 0.046) and after 4 hours follow-up significantly lower pain scores than both the SSB group (p = 0.021) and the control group (p = 0.037). After 24 hours, there were no differences between the two groups. Conclusion: In this prospective, randomized, blinded study we demonstrated that a single-dose interscalene brachial plexus block (ISB) and a subacromial bursae block (LA) are equal and the most efficient analgesic techniques after arthroscopic shoulder acromioplasty. LA is less expensive, faster and with fewer complications than ISB and therefore we suggest subacromial bursae block is an effective, safe and easy way of postoperative pain reduction after arthroscopic acromioplasty. Level of evidence: Level I. Treatment study.
文摘Septic arthritis of the shoulder is uncommon in the immunocompetent patient with no previous risk factors for joint infection. We treated an immunocompetent patient who developed septic arthritis of the shoulder after suprascapular nerve block for pain due to rotator cuff tear. An 80-year-old man with no underlying disease visited a nearby orthopedics clinic with complaint of left shoulder joint pain. Left suprascapular nerve block was performed, but the pain gradually aggravated. On the day after the block, he had a fever of 39°C and came to our department. On examination, enlargement and tenderness were present at the injection site. Cellulitis at the site was suspected. He was admitted and administration of a cephem anti-biotic was started. Pain subsequently decreased. Magnetic resonance imaging (MRI) performed 4 days after hospitalization showed massive effusion close to the injection site. The effusion spread into the joint cavity through the tear site of the supraspinatus. Septic arthritis of the shoulder was strongly suspected, open irrigation and debridement were performed 11 days after hospitalization. After surgery, pain immediately improved. In our case the extra-articular infection caused by suprascapular nerve block considered to spread into the shoulder joint cavity through the site of rotator cuff tear, although there have been no reports of such cases. This case suggests the possibility that patients with rotator cuff tear may easily develop septic arthritis because extra-articular infection may spread into the joint cavity through the site of tear.
文摘Introduction: Analgesia following shoulder surgery commonly uses interscalene nerve blockade. When contraindicated (i.e. respiratory compromise), suprascapular nerve blockade can provide a viable alternative. Although a number of techniques have been used, Barber in 2005 described a simple method using anatomical landmarks. While theoretically straightforward, substantive evidence supporting the advantages attributed to the technique has yet to be identified. The present study anatomically examines the technique proposed by Barber to critically assess its potential to benefit clinical practice. Materials and Methods: Using the technique proposed by Barber in 2005, the Nevaiser portal was used to introduce a K-wire into the supraspinous fossa in the region of the suprascapular nerve. A spinal needle was inserted in the same manner and left in position in the presumed region of the transverse scapular ligament. Tissue was dissected out around the wire and needle to visualize their proximity to the suprascapular nerve and transverse scapular ligament respectively. Results: The K-wire was consistently located close to the suprascapular nerve with all cases being within 5 mm. Spinal needle placement relative to the transverse scapular ligament was variable with 50% anterior, 25% posterior, and 25% displaced (likely due to dissection). Conclusions: The results illustrate that it is possible to reliably place a needle close to the suprascapular nerve using the technique described by Barber in 2005. This study provides anatomical confirmation of Barbers description of a simple technique and the basis for clinical study.
