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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05165836
Other study ID # MKSU 40-11-21
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date December 25, 2021
Est. completion date August 1, 2022

Study information

Verified date September 2022
Source Kafrelsheikh University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study is to evaluate the effect of adding dexmedetomidine as an adjuvant to bupivacaine in ultrasound (US) guided erector spinae plane block (ESPB) for managing acute postoperative pain in patients undergoing shoulder arthroscopy.


Description:

Shoulder arthroscopy is a common procedure done is orthopedics for many surgical indications as rotator cuff tears, stiffness and instability. This procedure has a well - documented postoperative pain. To improve the outcome after surgery, effective pain control is needed. There are many postoperative pain management modalities after shoulder arthroscopy including non-steroidal anti-inflammatory drugs, intraarticular injection, regional nerve blocks, patient controlled analgesia and cryotherapy. The erector spinae plane block (ESPB) is one of the emerging regional techniques for managing postoperative pain. ESPB has been used successfully in many surgeries such as mastectomy, thoracotomies , percutaneous nephrolithotomies, lumbar fusions, hernia repair, cesarean delivery and even in total hip arthroplasty . ESPB has been successfully used to treat chronic shoulder pain, and the local anesthetic spread was reported to reach the level of C3 when it was performed at T2. Dexmedetomidine is a very selective α2 adrenoceptor agonist that is tenfold more selective than clonidine. It is a highly flexible medication in anesthetic practice, finding use in an expanding range of clinical circumstances.


Recruitment information / eligibility

Status Completed
Enrollment 60
Est. completion date August 1, 2022
Est. primary completion date August 1, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - Patients aged 18-65 years - Both genders and BMI < 40 kg/m2 - American Society of Anesthesiologists (ASA) physical status I-II - Patients who are posted for elective shoulder arthroscopy Exclusion Criteria: - Known allergy to local anesthetics - Allergy to all opioid medications - Diagnostic shoulder arthroscopic procedures, - Patients with chronic opioid use and coagulopathy

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Erector Spinae Plane block without Dexmedetomidine group
Block will be performed with an ultrasound machine (Philips CX50 Extreme edition). A 2-5 MH2 curved probe will be positioned transversely to visualize the lateral tip of thoracic vertebrae2 transverse Process. Before surgery with patients in sitting position, the transducer will be positioned longitudinally 3 cm lateral to the thoracic vertebrae2 spinous process. The trapezius, rhomboid major, and erector spinae muscles will be revealed superficial to the shadow of the hyperechoic transverse process. Then, 3ml lidocaine 2% will be used to anesthetize the skin. Using a 20-gauge block needle put in-plane in a cephalad-to-caudad orientation to position the tip into the fascial plane on the deep (anterior) side of the erector spinae muscle, 19 ml of bupivacaine 0.25% + 1 mL saline will be injected. The needle tip's placement will be confirmed by observable fluid spread lifting the erector spinae muscle away from the transverse process's bony shadow.
Erector Spinae Plane block with Dexmedetomidine group
Block will be performed with an ultrasound machine (Philips CX50 Extreme edition). A 2-5 MH2 curved probe will be positioned transversely to visualize the lateral tip of thoracic vertebrae2 transverse Process. Before surgery with patients in sitting position, the transducer will be positioned longitudinally 3 cm lateral to the thoracic vertebrae2 spinous process. The trapezius, rhomboid major, and erector spinae muscles will be revealed superficial to the shadow of the hyperechoic transverse process. Then, 3ml lidocaine 2% will be used to anesthetize the skin. Using a 20-gauge block needle put in-plane in a cephalad-to-caudad orientation to position the tip into the fascial plane on the deep (anterior) side of the erector spinae muscle, 19 ml of bupivacaine 0.25% + 1 mL dexmedetomidine 0.5 µg/kg will be injected. The needle tip's placement will be confirmed by observable fluid spread lifting the erector spinae muscle away from the transverse process's bony shadow.

Locations

Country Name City State
Egypt Kafr El-Sheikh University Hospitals Kafr ElSheikh

Sponsors (1)

Lead Sponsor Collaborator
Kafrelsheikh University

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary The total rescue morphine (mg) consumption in the first 24 post-operative hours. Rescue analgesia in the form of 3 mg IV morphine (mg) will be given if the numeric rating scale (NRS) score is = 4 repeated with 10 minutes lockout interval till the numeric rating scale (NRS) score becomes less than 3 24 hours postoperative
Secondary Post-operative pain score After extubation, patients will be evaluated for pain using a numeric rating scale (NRS) score at 0,3,6,12,24 h for pain that ranged from (0 = no pain) to (10 = the worst imaginable pain). If the score is = 4, rescue analgesia will be given in the form of fentanyl in a dose of 0.5µg/kg by iv route. 24 hours Postoperative
Secondary Time to first request of rescue analgesia Time to the first rescue analgesic request (min) will be also recorded. 24 hours Postoperative
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