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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04415931
Other study ID # 2022248
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date August 15, 2020
Est. completion date March 13, 2022

Study information

Verified date March 2023
Source University of Missouri-Columbia
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Pain management following total shoulder arthroplasty is an important factor in determining patient outcomes and satisfaction. Interscalene brachial plexus blockade has been used successfully to minimize pain in the acute post-operative period. While shown to be effective, interscalene blockade has known complications. In addition, interscalene block has been shown to be significantly more expensive when compared to local anesthesia infiltration. Local anesthetics such as bupivacaine have long been used to assist in post-operative anesthesia. Recent reports have demonstrated local infiltration of liposomal bupivacaine to be similar to interscalene block in regards to patient analgesia even in the first 24 hours post operatively, with the added benefit of lower complications and costs. While most reports examine the efficacy of local infiltration with liposomal bupivacaine in the shoulder, other total joint literature has been positive regarding the use of local infiltration analgesic mixture for improved post-operative analgesia using a multi-modal approach to infiltrative analgesia. Despite these reports, the role and efficacy of local infiltration analgesia in shoulder arthroplasty is lacking. The purpose of the proposed study is to determine the efficacy and safety of local infiltration analgesia in shoulder arthroplasty in comparison to interscalene block through a randomized prospective clinical trial. Our hypothesis is that local infiltration analgesia will lead to postoperative pain scores, opiate consumption, and complication rate that are not significantly different from interscalene block.


Description:

1. SELECTION OF SUBJECTS • Inclusion Criteria: Adult patients (18 years of age or greater) undergoing primary anatomic or reverse total shoulder arthroplasty secondary to osteoarthritis, cuff tear arthropathy, or massive irreparable rotator cuff tear. • Exclusion Criteria : - Narcotic dependent - Previous ipsilateral open shoulder surgery - Chronic pain syndromes (fibromyalgia) - Contraindication to regional anesthesia - Cervical radiculopathy - Unable to give consent; Prisoner - Workers compensation insurance - Mentally Disabled. - Pregnant Patients 2. STUDY PROCEDURE • Timeline: 2 weeks of data collection • Study subjects: Study candidates will be identified as they present to the clinic at the Missouri Orthopaedic Institute at the University of Missouri, and will be evaluated by the principle investigator. Informed consent will be obtained as per IRB protocol. Enrollees will receive a copy of the study protocol, consent, and HIPAA form. Background patient information will be collected including age, sex, BMI and co-morbidities. American Society of Anesthesiologist (ASA) classification will be assigned by the involved anesthesiologist. Interscalene regional block is routinely administered at our institution prior to total shoulder arthroplasty. Patients will be randomized prior to their scheduled surgery date by our research team using a randomization protocol developed by our department biostatistics team. The surgeon and surgical assistants will be blinded about the group assignment until the morning of the surgery day. The group assignment will be sealed in an envelope and delivered to the surgeon. If randomized to the interscalene block group, the anesthesia team will administer the block preoperatively in routine fashion. The standard anesthesia protocol for total shoulder arthroplasty patients is as follows: • Preoperative: Acetaminophen 1000mg PO Gabapentin 300mg PO Interscalene block: 3-5mL of 0.5% bupivacaine plus 10mL Exparel (1-2 mg of midazolam and/or 50-100 mcg of fentanyl IV for sedation) If randomized to local infiltration analgesia, the patient will receive local infiltration injection intraoperatively prior to closing during the procedure. A standardized dose of 100 mL of infiltration will be utilized according to the following formula. The mixture will be injected into the deltoid and pectoralis major muscles and fasciae, and subcutaneous tissues using an 18-guage needle. Total dose 100mL Ropivacaine 0.5% 40mL Epinephrine 1mg/mL 0.1mL Ketorolac 30mg/mL 1mL Morphine 10mg/mL 0.5mL Normal saline 0.9% 58.4mL - Anesthesia protocol All surgery will be performed with standard general anesthesia. Induction will be achieved and general anesthesia maintained based on the following protocol (Doses vary based on patient specifics such as age, weight and comorbid disease): Lidocaine 50 - 100mg Fentanyl 50 - 100mcg Propofol 100 - 200 mg Rocuronium 50 - 100mg - Intraoperative: Sevoflurane 1 - 2% or desflurane 4 - 6% Fentanyl, hydromorphone, ketorolac and / or ketamine IV as needed on suspicion of pain. antibiotics were given intravenously 2g of cefazolin or 900mg of clindamycin. - Surgical procedure All surgery will be performed in beach chair position by a single shoulder and elbow fellowship trained surgeon. A standard deltopectoral approach will be used. A subscapularis peel-off will be used for all anatomic total shoulder arthroplasty cases and repaired back to the lesser tuberosity with transosseous sutures. For reverse shoulder arthroplasty cases, the subscapularis will be repaired if there is a reparable subscapularis tendon. Following the surgery, the shoulder will be immobilized in an abduction pillow-sling. A mixture of 1g of tranexamic acid and 30mL of normal saline will be poured into the wound for postoperative bleeding control purposes. Patients will follow the routine postoperative rehabilitation protocols. Patients will return to the shoulder and elbow clinic for routine clinical follow-up visits and x-ray exams following their surgery at 2 weeks, 6 weeks, 12 weeks, and 6 months, which is the standard of care. The study data collection will be completed at 2 week time point when the patient comes back for their first postoperative appointment. - Data collection: Following surgery, the patient's pain level will be recorded in a visual analog scale (VAS) at 4, 8, 12, 24 hours, once a day for the following 6 days, and at 14 days following surgery. Patient's daily opiate consumption during the first 7 days and the total cumulative amount of consumption up to 14 days following surgery will also be recorded, quantified and converted to morphine equivalents units (MEU) for standardization. Time to discharge from PACU as well as adverse opioid reactions will be reported (nausea, hypoxia/O2 requirement). The inpatient portion of the pain VAS and opiate consumption data will be obtained from the medical record while the post-discharge part of the data will be collected via a physical log given to patients upon discharge as well as an automated patient-reported outcome data collection system (PatientIQ®, Chicago, IL, USA). The research team will contact patients every other day following discharge to ensure proper documentation of pain VAS and opiate consumption by patients. Additionally, data regarding the time in the operating room, length of hospital stay, intraoperative complications (fracture, vascular injury, and anesthesia-related), acute postoperative complications (medical, nerve injury, dislocation, hematoma, and wound complications) will be collected. The average costs of LIA and interscalene regional block will be obtained through our billing department. Data analysis The pain score and opiate consumption data at each time point will be compared between the two groups using either unpaired t-test or Mann-Whitney U test depending on the data normality. The chronological changes in the pain score and opiate consumption in each patient will be analyzed using repeated measures ANOVA or Friedman test depending on the data normality. Categorical variables will be compared using chi-square test or Fisher's Exact test. The data will be analyzed by our biostatistics team within Department of Orthopaedic Surgery. The primary outcome of the study is the average pain VAS scores during the first 12 hours following surgery. The secondary outcome is the opioid consumption during the first 2 days following surgery. Non-inferiority of the local infiltration group compared to the interscalene block group in these two outcomes will be tested using a non-inferiority test. • Sample size calculation and power: The primary outcome of the study is the average pain VAS scores during the first 12 hours following surgery. Based on the recent research finding that a 1.4-point difference in pain VAS scores is a minimally clinically important difference (MCID) following shoulder arthroplasty, a priori sample size calculation was performed with a power of 0.8 and a standard deviation of 2.4 at an alpha of 0.05 to examine the study hypothesis that the average pain VAS score during the first 12 hours in the local infiltration analgesia group would not be significantly different than that of the interscalene block group (or the difference between the two groups would be less than 1.5 points). The result showed a minimum of 37 patients would be needed in each group (total number of patients =74).


Recruitment information / eligibility

Status Completed
Enrollment 78
Est. completion date March 13, 2022
Est. primary completion date March 1, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Adult patients (18 years of age or greater) - Primary anatomic or reverse total shoulder arthroplasty secondary to osteoarthritis, cuff tear arthropathy, or massive irreparable rotator cuff tear Exclusion Criteria: - Narcotic dependent - Previous ipsilateral open shoulder surgery - Chronic pain syndromes (fibromyalgia) - Contraindication to regional anesthesia - Cervical radiculopathy - Workers compensation insurance - Mentally Disabled. - Pregnant Patients

Study Design


Intervention

Procedure:
Local infiltration analgesia
Local infiltration injection intraoperatively prior to closing during the procedure. A standardized dose of 100 mL of infiltration will be utilized according to the following formula. The mixture will be injected into the deltoid and pectoralis major muscles and fasciae, and subcutaneous tissues using an 18-guage needle. Total dose 100mL Ropivacaine 0.5% 40mL Epinephrine 1mg/mL 0.1mL Ketorolac 30mg/mL 1mL Morphine 10mg/mL 0.5mL Normal saline 0.9% 58.4mL
Interscalene block
Standard interscalene brachial plexus regional block

Locations

Country Name City State
United States University of Missouri Columbia Missouri

Sponsors (1)

Lead Sponsor Collaborator
University of Missouri-Columbia

Country where clinical trial is conducted

United States, 

References & Publications (11)

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):1114-1129. doi: 10.1213/ANE.0000000000000688. — View Citation

Andersen LO, Kehlet H. Analgesic efficacy of local infiltration analgesia in hip and knee arthroplasty: a systematic review. Br J Anaesth. 2014 Sep;113(3):360-74. doi: 10.1093/bja/aeu155. Epub 2014 Jun 17. — View Citation

Bjornholdt KT, Jensen JM, Bendtsen TF, Soballe K, Nikolajsen L. Local infiltration analgesia versus continuous interscalene brachial plexus block for shoulder replacement pain: a randomized clinical trial. Eur J Orthop Surg Traumatol. 2015 Dec;25(8):1245- — View Citation

Menendez ME, Lawler SM, Ring D, Jawa A. High pain intensity after total shoulder arthroplasty. J Shoulder Elbow Surg. 2018 Dec;27(12):2113-2119. doi: 10.1016/j.jse.2018.08.001. Epub 2018 Oct 12. — View Citation

Namdari S, Nicholson T, Abboud J, Lazarus M, Steinberg D, Williams G. Interscalene Block with and without Intraoperative Local Infiltration with Liposomal Bupivacaine in Shoulder Arthroplasty: A Randomized Controlled Trial. J Bone Joint Surg Am. 2018 Aug — View Citation

Namdari S, Nicholson T, Abboud J, Lazarus M, Steinberg D, Williams G. Randomized Controlled Trial of Interscalene Block Compared with Injectable Liposomal Bupivacaine in Shoulder Arthroplasty. J Bone Joint Surg Am. 2017 Apr 5;99(7):550-556. doi: 10.2106/J — View Citation

Okoroha KR, Lynch JR, Keller RA, Korona J, Amato C, Rill B, Kolowich PA, Muh SJ. Liposomal bupivacaine versus interscalene nerve block for pain control after shoulder arthroplasty: a prospective randomized trial. J Shoulder Elbow Surg. 2016 Nov;25(11):174 — View Citation

Sabesan VJ, Shahriar R, Petersen-Fitts GR, Whaley JD, Bou-Akl T, Sweet M, Milia M. A prospective randomized controlled trial to identify the optimal postoperative pain management in shoulder arthroplasty: liposomal bupivacaine versus continuous interscale — View Citation

Sicard J, Klouche S, Conso C, Billot N, Auregan JC, Poulain S, Lespagnol F, Solignac N, Bauer T, Ferrand M, Hardy P. Local infiltration analgesia versus interscalene nerve block for postoperative pain control after shoulder arthroplasty: a prospective, ra — View Citation

Tashjian RZ, Hung M, Keener JD, Bowen RC, McAllister J, Chen W, Ebersole G, Granger EK, Chamberlain AM. Determining the minimal clinically important difference for the American Shoulder and Elbow Surgeons score, Simple Shoulder Test, and visual analog sca — View Citation

Weller WJ, Azzam MG, Smith RA, Azar FM, Throckmorton TW. Liposomal Bupivacaine Mixture Has Similar Pain Relief and Significantly Fewer Complications at Less Cost Compared to Indwelling Interscalene Catheter in Total Shoulder Arthroplasty. J Arthroplasty. — View Citation

* Note: There are 11 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Pain visual analog scale (VAS) Following surgery, the patient's pain level will be recorded in a visual analog scale (VAS) at 4 hours, 8 hours, 12 hours, 24 hours, 2 days and daily until 7 days, and then at 14 days. From 4 hours to 14 days postop
Primary Opiate consumption The patient's daily opiate consumption during the first 7 days following surgery and the toal accumulated amount of opiate consumption by 2 weeks postop will also be recorded, quantified and converted to morphine equivalents units (MEU) for standardization From postop day 1 to 2 weeks
Secondary Length of hospital stay Length of hospital stay for postoperative 1 week
Secondary Postoperative complications Postoperative complications (medical, nerve injury, dislocation, hematoma, and wound complications) for postoperative 3 months
Secondary Intraoperative complications Intraoperative complications (fracture, vascular injury, and anesthesia-related), Intraoperative
Secondary Length of surgical procedure Length of surgical procedure Intraoperative
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