Anterior and Posterior Approaches of Suprascapular Nerve Block

I

Istanbul Medeniyet University

Status

Completed

Conditions

Postoperative Pain
Suprascapular Nerve Block
Shoulder Pain
Anterior Suprascapular Nerve Block
Diaphragmatic Paralysis
Subomohyoid Suprascapular Nerve Block

Treatments

Procedure: Anterior suprascapular block
Procedure: Posterior suprascapular block

Study type

Interventional

Funder types

Other

Identifiers

NCT05442814
EDinc

Details and patient eligibility

About

Suprascapular nerve is a mixed motor and sensory peripheral nerve arising from the superior trunk of brachial plexus.The suprascapular nerve runs through the posterior triangle of the neck, anterior of the trapezius muscle and dorsal of the omohyoid muscle, in direction of the scapula. Suprascapular nerve block is performed by anterior and posterior approach. Posterior approach of the suprascapular nerve block has been shown for many years to provide effective analgesia in the shoulder region for the chronic and acute pain. There are studies showing that suprascapular block with anterior approach provides effective analgesia in shoulder arthroscopy. The aim of our study was to compare anterior and posterior approaches of suprascapular nerve block in terms of analgesic efficacy and patient safety.

Full description

This study is a prospective randomized clinical trial will be conducted between March 2022 and March 2023.Participant will divide into two groups as participant who underwent suprascapular nerve block with the anterior approach and participant who underwent suprascapular nerve block with the posterior approach. Bupivacaine 5 ml %0.5 will be injected both group. Diaphragmatic thickness fraction will be evaluated with ultrasound left and right 7.-8. subcostal anterior axillary border with the participant with the semi-sitting position. Diaphragmatic thickness fraction will measure before the block and after 30 minutes the surgery. Participants will administered intravenous morphine patient controlled analgesia for 24 hours stay. The amount of opioid analgesics given in both groups will be determined (in mg). Postoperative 4th, 6th, 12th, 24th hour Visual Analogue Scale scores of the participants and opioid consumptions until that hours will be evaluated. An addition participant will be determined according to the surgery.

Enrollment

60 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patient who accepts to study protocol
  • Scheduled for shoulder surgery
  • Between the ages of 18 and 80

Exclusion criteria

  • Patients with coagulopathy
  • Patients with a history of local anesthetic drug allergy and toxicity
  • Patients with advanced organ failure
  • Patients with mental retardation
  • Patients with infection present at the injection site
  • Patients with diaphragm paralysis
  • Pregnant patients

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

60 participants in 2 patient groups

Posterior suprascapular block
Active Comparator group
Description:
Suprascapular block performed by posterior approach
Treatment:
Procedure: Posterior suprascapular block
Anterior suprascapular block
Active Comparator group
Description:
Suprascapular block performed by anterior approach
Treatment:
Procedure: Anterior suprascapular block

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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