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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05653570
Other study ID # 68478
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date June 1, 2023
Est. completion date December 31, 2023

Study information

Verified date April 2023
Source Stanford University
Contact Richard K Kim, MD
Phone 6505041847
Email rkwkim@stanford.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The erector spinae plane (ESP) block has been studied for analgesia in shoulder surgery as a phrenic nerve-sparing alternative. However, successful ESP catheter placement appears multifactorial, with failure mechanisms including lamination, plane collapse, or catheter overcoiling. Electrical stimulation (ES) is a common technique used in regional anesthesia to detect possible intraneural placement. ES of the erector spinae muscle complex may objectively guide proper interfascial catheter placement and improve local anesthetic spread. The primary goal of this study is to establish if ESP catheter placement with the addition of ES to ultrasound (US) guidance facilitates accurate catheter placement. This study will further characterize postoperative analgesia and the incidence of brachial plexus stimulation for patients who receive ES-assisted ESP catheter placement.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 30
Est. completion date December 31, 2023
Est. primary completion date October 31, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - elective total or total reverse shoulder arthroplasty Exclusion Criteria: - inability to provide consent - history of active opioid use - emergency procedures - shoulder arthroscopy - partial shoulder replacement - shoulder resurfacing - any revision shoulder surgery - any indwelling deep brain stimulator, pacemaker, and/or other neurostimulators

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Electrical stimulation
Electrical stimulation will be used to confirm needle and catheter placement within the interfascial plane between the erector spinae muscle and thoracic transverse process.
Ultrasound
Ultrasound guidance will be used to visualize needle and catheter placement within the interfascial plane between the erector spinae muscle and thoracic transverse process.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Stanford University

Outcome

Type Measure Description Time frame Safety issue
Primary Number of patients with erector spinae muscle stimulation via stimulating catheter Successful erector spinae plane needle and catheter insertion means that the needle/catheter is deep to the myofascia of the erector spinae muscle complex and superficial to the intertransverse ligaments / transverse process. Thus, any stimulation of the catheter after its placement in the erector spinae muscle complex seen under ultrasound or perceived by the patient will be documented as catheter placement failure. No visualized or perceived stimulation of the erector spinae muscle complex will be documented as catheter placement success. Immediately after catheter placement (up to 5 minutes to assess)
Secondary Time to perform erector spinae plane catheter Time for catheter placement will begin when the US probe first touches the patient and end when the inner stimulating catheter hub meets the skin. If no visual identification of the target erector spinae plane (US) and no evoked motor respoinse (US+ES) is achieved within 10 minutes, the placement will be considered a failure, and the primary end point will be recorded as 10 minutes. If a catheter cannot be placed per protocol within 20 minutes, the placement will be considered a failure, and the primary endpoint will be recorded as 20 minutes. In such cases, the subject will have a catheter placement attempt using the alternative method. Subjects who do not have a catheter placed as per their randomized group protocol will be removed from further study. During catheter placement (up to 20 minutes)
Secondary Worst pain score ratings in the postanesthesia care unit (PACU) As soon as the patient is able to respond verbally in the PACU, the subject will be asked to rate their pain on an 11-point numeric rating scale (NRS, 0 being no pain and 10 being worst possible pain) as soon as patient can respond in PACU (up to 1 hour)
Secondary Highest and lowest vertebral level of sensory change after local anesthetic bolus We will administer cold spray (name, manufacturer location) 3 cm lateral to the spinous process from C1 to T12, and document the highest and lowest dermatomal levels of when the patient detects a difference in temperature sensation compared to the contralateral side. preoperatively, 30 minutes after local anesthetic bolus
Secondary Incidence of brachial plexus or intercostal stimulation via stimulating catheter before local anesthetic bolus Prior to local anesthetic bolus, any perceived stimulation of an intercostal muscle or in the distribution of the brachial plexus on the operative side, including but not limited to twitching of or warmth of skin overlying the deltoid, biceps, triceps, supraspinatus, infraspinatus, pectoralis major/minor, and teres major/minor, will be documented. preoperatively, prior to local anesthetic bolus (up to 5 minutes)
Secondary Incidence of brachial plexus or intercostal stimulation via stimulating catheter after local anesthetic bolus 30 minutes after local anesthetic bolus, any perceived stimulation of an intercostal muscle or in the distribution of the brachial plexus on the operative side, including but not limited to twitching of or warmth of skin overlying the deltoid, biceps, triceps, supraspinatus, infraspinatus, pectoralis major/minor, and teres major/minor, will be documented. preoperatively, 30 minutes after local anesthetic bolus
Secondary Opioid consumption in the PACU The subject's total opioid administration in the PACU will be documented and converted to oral morphine milliequivalents (MME). from admission to discharge from the PACU (average approximately 2 hours)
Secondary Opioid consumption on postoperative day (POD) 1 The subject's total opioid administration on POD1 will be documented and converted to oral morphine milliequivalents (MME). POD1 (24 hours)
Secondary Opioid consumption on postoperative day (POD) 2 The subject's total opioid administration on POD2 will be documented and converted to oral morphine milliequivalents (MME). POD2 (24 hours)
Secondary Opioid consumption on postoperative day (POD) 3 The subject's total opioid administration on POD3 will be documented and converted to oral morphine milliequivalents (MME). POD3 (24 hours)
Secondary Average postoperative pain on postoperative day (POD) 1 The subject's average postoperative pain score ratings will be calculated on POD 1. Pain scored on an 11-point numeric rating scale (NRS, 0 being no pain and 10 being worst possible pain) POD1 (24 hours)
Secondary Average postoperative pain on postoperative day (POD) 2 The subject's average postoperative pain score ratings will be calculated on POD 2 Pain scored on an 11-point numeric rating scale (NRS, 0 being no pain and 10 being worst possible pain) POD2 (24 hours)
Secondary Average postoperative pain on postoperative day (POD) 3 The subject's average postoperative pain score ratings will be calculated on POD 3 Pain scored on an 11-point numeric rating scale (NRS, 0 being no pain and 10 being worst possible pain) POD3 (24 hours)
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