Pain, Postoperative Clinical Trial
Official title:
A Randomized Comparison Between Interscalene And Combined Infraclavicular-Anterior Suprascapular Nerve Blocks For Arthroscopic Shoulder Surgery
NCT number | NCT05444517 |
Other study ID # | OAIC 1248/22 |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | June 13, 2023 |
Est. completion date | June 2024 |
Postoperative analgesia after shoulder surgery remains a challenge in patients with preexisting pulmonary pathology, as interscalene brachial plexus block (ISB), the standard nerve block for shoulder surgery, carries a prohibitive risk of hemidiaphragmatic paralysis (HDP). Although several diaphragm-sparing nerve blocks have been proposed, none seems to offer equivalent analgesia to ISB while avoiding HDP altogether. For instance, even costoclavicular blocks, which initially fulfilled both requirements, were subsequently found to result in a non-negligible 5%-incidence of HDP. In this randomized trial, the authors set out to compare ISB and combined infraclavicular block-anterior suprascapular nerve blocks (ICB-ASSNB) for patients undergoing arthroscopic shoulder surgery. The authors hypothesized that ICB-ASSNB would provide equivalent postoperative analgesia to ISB 30 minutes after shoulder surgery and therefore designed the current study as an equivalence trial.
Status | Recruiting |
Enrollment | 50 |
Est. completion date | June 2024 |
Est. primary completion date | June 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility | Inclusion Criteria: - Patients undergoing arthroscopic shoulder surgery - American Society of Anesthesiologists classification 1-3 - Body mass index between 20 and 35 kg/mt2 Exclusion Criteria: - Adults who are unable to give their own consent - Pre-existing neuropathy (assessed by history and physical examination) - Coagulopathy (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. platelets = 100, International Normalized Ratio = 1.4 or prothrombin time = 50) - Obstructive or restrictive pulmonary disease (assessed by history and physical examination) - Renal failure (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. creatinine = 100) - Hepatic failure (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. transaminases = 100) - Allergy to local anesthetics (LAs) - Pregnancy - Prior surgery in the neck or infraclavicular region - Chronic pain syndromes requiring opioid intake at home |
Country | Name | City | State |
---|---|---|---|
Chile | Hospital Clínico Universidad de Chile | Santiago | Metropolitana |
Lead Sponsor | Collaborator |
---|---|
University of Chile |
Chile,
Aguirre O, Tobos L, Reina MA, Sala-Blanch X. Upper trunk block: description of a supraclavicular approach of upper trunk at the points of its division. Br J Anaesth. 2016 Dec;117(6):823-824. doi: 10.1093/bja/aew366. No abstract available. — View Citation
Aliste J, Bravo D, Fernandez D, Layera S, Finlayson RJ, Tran DQ. A Randomized Comparison Between Interscalene and Small-Volume Supraclavicular Blocks for Arthroscopic Shoulder Surgery. Reg Anesth Pain Med. 2018 Aug;43(6):590-595. doi: 10.1097/AAP.0000000000000767. — View Citation
Aliste J, Bravo D, Finlayson RJ, Tran DQ. A randomized comparison between interscalene and combined infraclavicular-suprascapular blocks for arthroscopic shoulder surgery. Can J Anaesth. 2018 Mar;65(3):280-287. doi: 10.1007/s12630-017-1048-0. Epub 2017 Dec 19. — View Citation
Aliste J, Bravo D, Layera S, Fernandez D, Jara A, Maccioni C, Infante C, Finlayson RJ, Tran DQ. Randomized comparison between interscalene and costoclavicular blocks for arthroscopic shoulder surgery. Reg Anesth Pain Med. 2019 Jan 11:rapm-2018-100055. doi: 10.1136/rapm-2018-100055. Online ahead of print. — View Citation
Aliste J, Cristi-Sanchez I, Bermudez L, Layera S, Bravo D, Tran Q. Assessing surgical anesthesia for shoulder surgery. Reg Anesth Pain Med. 2020 Aug;45(8):675-676. doi: 10.1136/rapm-2019-100981. Epub 2019 Dec 31. No abstract available. — View Citation
Ebraheim NA, Whitehead JL, Alla SR, Moral MZ, Castillo S, McCollough AL, Yeasting RA, Liu J. The suprascapular nerve and its articular branch to the acromioclavicular joint: an anatomic study. J Shoulder Elbow Surg. 2011 Mar;20(2):e13-7. doi: 10.1016/j.jse.2010.09.004. Epub 2010 Dec 30. — View Citation
Franco CD, Williams JM. Ultrasound-Guided Interscalene Block: Reevaluation of the "Stoplight" Sign and Clinical Implications. Reg Anesth Pain Med. 2016 Jul-Aug;41(4):452-9. doi: 10.1097/AAP.0000000000000407. — View Citation
Lloyd T, Tang YM, Benson MD, King S. Diaphragmatic paralysis: the use of M mode ultrasound for diagnosis in adults. Spinal Cord. 2006 Aug;44(8):505-8. doi: 10.1038/sj.sc.3101889. Epub 2005 Dec 6. — View Citation
Maikong N, Kantakam P, Sinthubua A, Mahakkanukrauh P, Tran Q, Leurcharusmee P. Cadaveric study investigating the phrenic-sparing volume for anterior suprascapular nerve block. Reg Anesth Pain Med. 2021 Sep;46(9):769-772. doi: 10.1136/rapm-2021-102803. Epub 2021 Jun 3. — View Citation
Martinez J, Sala-Blanch X, Ramos I, Gomar C. Combined infraclavicular plexus block with suprascapular nerve block for humeral head surgery in a patient with respiratory failure: an alternative approach. Anesthesiology. 2003 Mar;98(3):784-5. doi: 10.1097/00000542-200303000-00031. No abstract available. — View Citation
Musso D, Flohr-Madsen S, Meknas K, Wilsgaard T, Ytrebo LM, Klaastad O. A novel combination of peripheral nerve blocks for arthroscopic shoulder surgery. Acta Anaesthesiol Scand. 2017 Oct;61(9):1192-1202. doi: 10.1111/aas.12948. Epub 2017 Aug 4. — View Citation
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Spence BC, Beach ML, Gallagher JD, Sites BD. Ultrasound-guided interscalene blocks: understanding where to inject the local anaesthetic. Anaesthesia. 2011 Jun;66(6):509-14. doi: 10.1111/j.1365-2044.2011.06712.x. — View Citation
Tashjian RZ, Deloach J, Porucznik CA, Powell AP. Minimal clinically important differences (MCID) and patient acceptable symptomatic state (PASS) for visual analog scales (VAS) measuring pain in patients treated for rotator cuff disease. J Shoulder Elbow Surg. 2009 Nov-Dec;18(6):927-32. doi: 10.1016/j.jse.2009.03.021. Epub 2009 Jun 16. — View Citation
Tran DQ, Bertini P, Zaouter C, Munoz L, Finlayson RJ. A prospective, randomized comparison between single- and double-injection ultrasound-guided infraclavicular brachial plexus block. Reg Anesth Pain Med. 2010 Jan-Feb;35(1):16-21. doi: 10.1097/AAP.0b013e3181c7717c. — View Citation
Tran DQ, Dugani S, Finlayson RJ. A randomized comparison between ultrasound-guided and landmark-based superficial cervical plexus block. Reg Anesth Pain Med. 2010 Nov-Dec;35(6):539-43. doi: 10.1097/AAP.0b013e3181faa11c. — View Citation
Tran DQ, Elgueta MF, Aliste J, Finlayson RJ. Diaphragm-Sparing Nerve Blocks for Shoulder Surgery. Reg Anesth Pain Med. 2017 Jan/Feb;42(1):32-38. doi: 10.1097/AAP.0000000000000529. — View Citation
Tran DQ, Layera S, Bravo D, Cristi-Sanchez I, Bermudez L, Aliste J. Diaphragm-sparing nerve blocks for shoulder surgery, revisited. Reg Anesth Pain Med. 2019 Sep 20:rapm-2019-100908. doi: 10.1136/rapm-2019-100908. Online ahead of print. — View Citation
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* Note: There are 19 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Static pain 30 minutes after arrival in the post anesthesia care unit (PACU) | Pain intensity at rest using a numeric rating score (NRS) ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 30 minutes after PACU arrival | |
Secondary | Static pain 1 hour after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 1 hour after PACU arrival | |
Secondary | Static pain 3 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 3 hours after PACU arrival | |
Secondary | Static pain 6 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 6 hours after PACU arrival | |
Secondary | Static pain 12 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 12 hours after PACU arrival | |
Secondary | Static pain 24 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 24 hours after PACU arrival | |
Secondary | Static pain 36 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 36 hours after PACU arrival | |
Secondary | Static pain 48 hours after arrival in the PACU | Pain intensity at rest using a NRS ranged from 0 to 10 (0 = no pain and 10 = worst imaginable pain) | 48 hours after PACU arrival | |
Secondary | Block performance time | Time from skin disinfection until the end of local anesthetic injection | 1 hour before surgery | |
Secondary | Intensity of pain during block procedure | Evaluated with the Numeric Rating Scale for Pain. This scale is graduated from 0 to 10 points. A 0-point score represents the absence of pain, and a 10-points score represents the worst imaginable pain. Patients will be asked to rate their pain verbally with this scale. The blinded assessor will register the score reported. | 1 hour before surgery | |
Secondary | Incidence of nerve block side effects | Determined by the presence of paresthesia, local anesthetic systemic toxicity, vascular puncture, Horner syndrome, or hoarseness after the block. | 0 minutes after skin disinfection to 30 minutes after the nerve block | |
Secondary | Sensory and motor block score | The sensorimotor block will be assessed every 5 minutes until 30 minutes after the end of local anesthetic injection using a 14-point composite score that encompasses the sensory functions of the axillary and supraclavicular nerves as well as the motor functions of the axillary, suprascapular, subscapular and lateral pectoral nerves
Sensation will be assessed with ice in each nerve territory with a 0 to 2 point scale. 0= no block, patients can feel cold; 1= analgesic block, the patient can feel touch but not cold; 2= anesthetic block, the patient cannot feel cold or touch. The motor function will be assessed for each nerve with a 0 to 2 points scale where 0= no motor block; 1= paresis; 2= paralysis. Successful blocks at 30 minutes correlate with a final score ( sum of all individual sensory and motor scores) of at least 12 points out of 14, with a sensory score of at least 3 points (out of 4 points). |
30 minutes after the ending time of local anesthetic injection | |
Secondary | Block onset time | Time required to reach a minimal sensorimotor composite score of 12 points out of a maximum of 14 points. The sensorimotor score is described in outcome 12. | 1 hour before surgery | |
Secondary | Basal diaphragmatic function | Diaphragmatic function evaluated before the nerve block | 1 hour before surgery | |
Secondary | Incidence of hemidiaphragmatic paralysis (HDP) at 30 minutes after interscalene or infraclavicular-suprascapular block | HDP will be defined as the absence of diaphragmatic motion during normal respiration coupled with absent or (paradoxical) cranial diaphragmatic movement when the patient forcefully sniffs | 30 minutes after the ending time of local anesthetic injection | |
Secondary | Incidence of HDP 30 minutes after PACU arrival | HDP will be defined as the absence of diaphragmatic motion during normal respiration coupled with absent or (paradoxical) cranial diaphragmatic movement when the patient forcefully sniffs | 30 minutes after PACU arrival | |
Secondary | Duration of surgery | Time between skin incision and closure (min) | 4 hours after skin incision | |
Secondary | Postoperative opioid related side effects | Presence of postoperative nausea, vomiting, pruritus, urinary retention, respiratory depression. | 48 hours after PACU arrival | |
Secondary | Intraoperative opioid requirements | Total amount of fentanyl required during general anesthesia | Intraoperative period | |
Secondary | Postoperative opioid consumption | Total amount of morphine required during the first 48 hours after surgery | 48 hours after PACU arrival | |
Secondary | Patient satisfaction | Patient satisfaction at 24 hours using a 0-10 scale (0 = not satisfied; 10 = very satisfied) | 24 hours after PACU arrival | |
Secondary | Persistent neurologic deficit | Presence of persistent sensory or motor postoperative deficit. The patients will be contacted by telephone and inquired about any sensory or motor deficit in the operated extremity. | 7 days after surgery |
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