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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03691922
Other study ID # 4668
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date July 6, 2019
Est. completion date February 1, 2021

Study information

Verified date August 2020
Source McMaster University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Arthroscopic shoulder surgery is a common and minimally invasive procedure utilized for different shoulder pathologies, but it is often associated with moderate to severe postoperative pain that may interfere with patients' well-being and course of recovery. By using an effective analgesic technique with few side effects, a patient may experience less pain after surgery, have a shortened hospital stay, and endure less nausea, vomiting, or excessive drowsiness that are associated with the use of opioids to manage postoperative pain. Periarticular infiltration (PAI) with local anesthetic (LA) has been used for shoulder surgery pain management, but the more effective interscalene nerve block (ISNB) is the current gold standard analgesic modality despite risk of significant side effects including diaphragm paralysis and rebound pain. In this study, the investigators want to look at the effectiveness and safety profile of a novel technique for pain management after shoulder surgery that has the potential to provide successful pain relief with minimal risk of side effects. Half of the patients will be randomly selected to receive the novel nerve block called the Erector Spinae Plane (ESP) block while the other half will receive a more standard PAI of local anesthetic to numb the shoulder. Patients' pain intensity and opioid consumption in the post-anesthesia care unit (PACU) as well as during the first 24 hours after surgery will be evaluated. Any complications from the interventions will also be noted. The investigators predict that the ESP block will provide superior analgesia compared to PAI for these shoulder arthroscopy patients.


Description:

The use of opioids to manage immediate postoperative pain is frequently associated with nausea, vomiting, respiratory depression, hormonal effects and dysphoria. As such, achieving pain control while minimizing opioid use is critical, since more than 60% of unplanned prolonged hospitalizations and hospital readmissions are thought to be related to inadequate pain control or to side effects of opioids. A number of techniques have been used to achieve good pain control after arthroscopic shoulder surgery, including periarticular infiltration (PAI) with local anesthetic (LA) and regional anesthetic nerve blocks. Although PAI in the shoulder has been shown to decrease shoulder pain and opioid consumption, it is not as effective as regional blocks such as the interscalene nerve block (ISNB), which is the current gold standard. Nevertheless, the ISNB is potentially associated with significant side effects including persistent neurologic complications, rebound pain, phrenic nerve palsy, respiratory distress, cardiac arrest pneumothorax and central nerve toxicity. In view of this, investigating alternate regional blocks having the potential for good pain relief with minimal side effects is important. The Erector Spinae Plane (ESP) block can be considered as a modification of thoracic paravertebral block (PVB) that blocks thoracic spinal nerves using injections outside of the conventional paravertebral space. It is performed under ultrasound (US) by injecting local anesthetic deep to the erector spinae muscle at the interfascial space between either the erector spinae muscle and the rhomboid major muscle (higher up), or between the erector spinae muscle and the external intercostal muscles, at lower sites. Cadaveric studies of ultrasound-guided ESP blocks with methylene blue dye and subsequent dissection, as well an ESP block with a dye mixture and CT scanning demonstrated that when injecting deep into the erector spinae, the block likely affects the ventral and dorsal rami leading to the sensory blockade. The advantages include its simplicity and safety by limiting the risk of nerve damage and pneumothorax. Various case reports have demonstrated the ESP block to be successful for abdominal, breast and axillary, and other surgery types, and a recent case report described the successful management of chronic shoulder pain without motor blockade, with ESP performed at T3 level. The investigators conducted a systematic review via Pubmed to identify studies that have utilized ESP for post-surgical shoulder pain. Out of 77 reports, the investigators did not identify any comparative studies looking at the potential of ESP for shoulder surgery pain. The investigators also looked into ongoing and proposed trials of ESP by looking into clinicaltrials.gov. The investigators identified 21 studies including some randomized controlled trials (RCT) for thoracic surgery and general surgery population, but none for shoulder surgeries. Given the importance of providing adequate analgesia for arthroscopic shoulder surgery and lack of consensus amongst surgeons and anesthesiologists for the optimal analgesic technique, this trial will help establish the effectiveness of the ESP block in pain control after shoulder arthroscopy and define its safety profile. The results of this trial will allow the clinician to inform patients accurately regarding the benefits and risks of the block and thus guide the clinical practice of this block for shoulder arthroscopy. If proven to be effective, it may be used as an alternative to ISNB, especially in cases where ISNB is contraindicated.


Recruitment information / eligibility

Status Completed
Enrollment 62
Est. completion date February 1, 2021
Est. primary completion date February 1, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - elective arthroscopic shoulder joint surgeries admitted for day surgical procedure - an ability to provide informed consent Exclusion Criteria: - not willing - contraindications to spinal injections as per the American Society of Regional Anesthesia and Pain (ASRA) guidelines - known allergy to LA - allergy to all opioid medications - diagnostic shoulder arthroscopic procedures - inability to understand or comprehend in English language - history of daily opioid medication use for the last one month - patients with planned overnight hospital stay

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Erector Spinae Plane (ESP) Block
Preoperative US guided ESP blockade using 30 mL of 0.25% bupivacaine with 5 mcg/mL of epinephrine, injected in 5-mL aliquots through the needle (maximum of 3 mg/kg) PAI of 30 mL of saline at the end of the surgical procedure on the operated side rotator cuff, injected in 5-mL aliquots through the needle
Periarticular Infiltration (PAI)
Preoperative US guided ESP blockade using 30 mL of saline, injected in 5-mL aliquots through the needle PAI of 30 mL of 0.25% bupivacaine with 5 mcg/mL of epinephrine at the end of the surgical procedure on the operated side rotator cuff, injected in 5-mL aliquots through the needle

Locations

Country Name City State
Canada St. Joseph's Healthcare Hamilton Hamilton Ontario

Sponsors (1)

Lead Sponsor Collaborator
McMaster University

Country where clinical trial is conducted

Canada, 

References & Publications (19)

Abdallah FW, Halpern SH, Aoyama K, Brull R. Will the Real Benefits of Single-Shot Interscalene Block Please Stand Up? A Systematic Review and Meta-Analysis. Anesth Analg. 2015 May;120(5):1114-29. doi: 10.1213/ANE.0000000000000688. Review. — View Citation

Barber FA, Herbert MA. The effectiveness of an anesthetic continuous-infusion device on postoperative pain control. Arthroscopy. 2002 Jan;18(1):76-81. — View Citation

Candido KD, Sukhani R, Doty R Jr, Nader A, Kendall MC, Yaghmour E, Kataria TC, McCarthy R. Neurologic sequelae after interscalene brachial plexus block for shoulder/upper arm surgery: the association of patient, anesthetic, and surgical factors to the incidence and clinical course. Anesth Analg. 2005 May;100(5):1489-95, table of contents. — View Citation

Chung F, Ritchie E, Su J. Postoperative pain in ambulatory surgery. Anesth Analg. 1997 Oct;85(4):808-16. Erratum in: Anesth Analg 1997 Nov;85(5):986. — View Citation

Costache I, de Neumann L, Ramnanan CJ, Goodwin SL, Pawa A, Abdallah FW, McCartney CJL. The mid-point transverse process to pleura (MTP) block: a new end-point for thoracic paravertebral block. Anaesthesia. 2017 Oct;72(10):1230-1236. doi: 10.1111/anae.14004. Epub 2017 Aug 1. — View Citation

Fontana C, Di Donato A, Di Giacomo G, Costantini A, De Vita A, Lancia F, Caricati A. Postoperative analgesia for arthroscopic shoulder surgery: a prospective randomized controlled study of intraarticular, subacromial injection, interscalenic brachial plexus block and intraarticular plus subacromial injection efficacy. Eur J Anaesthesiol. 2009 Aug;26(8):689-93. — View Citation

Forero M, Adhikary SD, Lopez H, Tsui C, Chin KJ. The Erector Spinae Plane Block: A Novel Analgesic Technique in Thoracic Neuropathic Pain. Reg Anesth Pain Med. 2016 Sep-Oct;41(5):621-7. doi: 10.1097/AAP.0000000000000451. — View Citation

Forero M, Rajarathinam M, Adhikary SD, Chin KJ. Erector spinae plane block for the management of chronic shoulder pain: a case report. Can J Anaesth. 2018 Mar;65(3):288-293. doi: 10.1007/s12630-017-1010-1. Epub 2017 Nov 13. — View Citation

Hamilton DL, Manickam B. The Erector Spinae Plane Block. Reg Anesth Pain Med. 2017 Mar/Apr;42(2):276. doi: 10.1097/AAP.0000000000000565. — View Citation

Harvey GP, Chelly JE, AlSamsam T, Coupe K. Patient-controlled ropivacaine analgesia after arthroscopic subacromial decompression. Arthroscopy. 2004 May;20(5):451-5. — View Citation

Manchikanti L, Fellows B, Ailinani H, Pampati V. Therapeutic use, abuse, and nonmedical use of opioids: a ten-year perspective. Pain Physician. 2010 Sep-Oct;13(5):401-35. — View Citation

Merivirta R, Kuusniemi KS, Aantaa R, Hurme SA, Aärimaa V, Leino KA. The analgesic effect of continuous subacromial bupivacaine infusion after arthroscopic shoulder surgery: a randomized controlled trial. Acta Anaesthesiol Scand. 2012 Feb;56(2):210-6. doi: 10.1111/j.1399-6576.2011.02606.x. — View Citation

Misamore G, Webb B, McMurray S, Sallay P. A prospective analysis of interscalene brachial plexus blocks performed under general anesthesia. J Shoulder Elbow Surg. 2011 Mar;20(2):308-14. doi: 10.1016/j.jse.2010.04.043. Epub 2010 Aug 13. — View Citation

Nam YS, Jeong JJ, Han SH, Park SE, Lee SM, Kwon MJ, Ji JH, Kim KS. An anatomic and clinical study of the suprascapular and axillary nerve blocks for shoulder arthroscopy. J Shoulder Elbow Surg. 2011 Oct;20(7):1061-8. doi: 10.1016/j.jse.2011.04.022. Epub 2011 Aug 11. — View Citation

Shin SW, Byeon GJ, Yoon JU, Ok YM, Baek SH, Kim KH, Lee SJ. Effective analgesia with ultrasound-guided interscalene brachial plexus block for postoperative pain control after arthroscopic rotator cuff repair. J Anesth. 2014 Feb;28(1):64-9. doi: 10.1007/s00540-013-1681-x. Epub 2013 Aug 1. — 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. Review. — View Citation

Uquillas CA, Capogna BM, Rossy WH, Mahure SA, Rokito AS. Postoperative pain control after arthroscopic rotator cuff repair. J Shoulder Elbow Surg. 2016 Jul;25(7):1204-13. doi: 10.1016/j.jse.2016.01.026. Epub 2016 Apr 11. Review. — View Citation

Warrender WJ, Syed UAM, Hammoud S, Emper W, Ciccotti MG, Abboud JA, Freedman KB. Pain Management After Outpatient Shoulder Arthroscopy: A Systematic Review of Randomized Controlled Trials. Am J Sports Med. 2017 Jun;45(7):1676-1686. doi: 10.1177/0363546516667906. Epub 2016 Oct 13. Review. — View Citation

Webb BG, Sallay PI, McMurray SD, Misamore GW. Comparison of Interscalene Brachial Plexus Block Performed With and Without Steroids. Orthopedics. 2016 Nov 1;39(6):e1100-e1103. doi: 10.3928/01477447-20160819-02. Epub 2016 Aug 30. — View Citation

* Note: There are 19 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Recovery room resting pain score Using the patient-reported numeric rating scale (0-10) (0 is no pain and 10 is worst pain imaginable). At 30 minutes post-admission to recovery room
Secondary Day Surgery Unit resting pain score Using the patient-reported numeric rating scale (0-10) (0 is no pain and 10 is worst pain imaginable). At 5 hours post-operatively
Secondary Pain scores with movement Using the patient-reported numeric rating scale (0-10). (0 is no pain and 10 is worst pain imaginable). Participants will be asked to sit up from lying down position. At 30 minutes post-admission to recovery room and 5 hours post-operatively
Secondary Opioid usage All opioids administered in recovery room and day surgery unit will be converted into Morphine Equivalent Units per patient according to accepted standards. At 2 hours post-operatively and 5 hours post-operatively
Secondary Incidence of moderate to severe postoperative nausea-vomiting Using a 0-3 scale (0 is none and 3 severe nausea-vomiting) At 2 hours post-operatively and 5 hours post-operatively
Secondary Incidence of moderate to severe itching Using a 0-3 scale (0 is none and 3 severe itching) At 2 hours post-operatively and 5 hours post-operatively
Secondary Incidence of ipsilateral diaphragmatic paralysis Diagnosed based on the findings in an anterior posterior chest using ultrasound , with the criteria of "a right hemidiaphragm sitting >2 cm higher than its left counterpart or a left hemidiaphragm sitting equal or higher than the right hemidiaphragm". 30 minutes post-admission to recovery room
Secondary Incidence of respiratory depression Opioids discontinued by the Acute Pain Service or recovery room nursing due to concerns of respiratory depression by nursing staff. At 2 hours post-operatively and 5 hours post-operatively
Secondary Incidence of local anesthetic toxicity Based on clinical symptoms and signs of local anesthetic toxicity as diagnosed by the attending physician. At 2 hours post-operatively and 5 hours post-operatively
Secondary Sensory blockade Seven sensory dermatomes corresponding to shoulder and upper arm and their blockade to cold sensation will be noted. The extent of blockade between the two groups will be compared by their median and range. At 30 minutes post-admission to recovery room
Secondary Patient Satisfaction with Postoperative Analgesia Using a 7-item Likert scale (1 is extremely satisfied and 7 is extremely dissatisfied) At 5 hours post-operatively and 24 hours post-operatively
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