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Interscalene vs Infraspinatus-teres Minor (ITM) Interfascial Block in Shoulder Surgery

Comparison of Postoperative Analgesic Efficacy Between the Interscalene Block and Infraspinatus-Teres Minor Interfascial Blocks in Patients Undergoing Arthroscopic Shoulder Surgery

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06844630
Enrollment
60
Registered
2025-02-25
Start date
2025-03-01
Completion date
2025-08-30
Last updated
2025-12-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pain, Postoperative, Shoulder Pain, Surgical Procedure, Unspecified

Keywords

arthroscopic shoulder surgery, postoperative pain, interscalene brachial plexus block, infraspinatus-teres minor interfascial block

Brief summary

Postoperative pain is important following arthroscopic shoulder surgery. Postoperative effective pain treatment provides early mobilization and shorter hospital stay.Ultrasound (US)-guided brachial plexus blocks such as interscalen and supraclavicular block are usually performed. Interscalene brachial plexus block is one of the most preferred techniques among these. Due to the phrenic nerve paralysis frequently seen in interscalene block, alternative diaphragm-sparing block techniques have emerged over time. One of these is the Infraspinatus teres minor interfascial block. Infraspinatus teres minor interfascial block can block both the suprascapular nerve and the axillary nerve, which are effective in the innervation of the shoulder, with a single-point injection. The main aim of our study was to show that there is no difference between interscalene block and infraspinatus-teres-minor interfascial block in terms of their effects on postoperative analgesia in patients undergoing arthroscopic shoulder surgery.

Interventions

OTHERPreoperative block application (İntersclane Block)

Before surgery, patients will receive a unilateral interscalene block under ultrasound guidance.

OTHERPreoperative block application (Infraspinatus-teres minor interfascial block)

Before surgery, patients will receive a unilateral infraspinatus-teres minor interfascial block under ultrasound guidance.

Sponsors

Kadem Koc
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
TRIPLE (Subject, Caregiver, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* American Society of Anesthesiologists (ASA) classification I-II-III * Scheduled for arthroscopic shoulder surgery under general anesthesia

Exclusion criteria

* history of bleeding diathesis * receiving anticoagulant treatment * infection of the skin at the site of the needle puncture * pregnancy or lactation * patients who do not accept the procedure * Allergy to local anesthetics * Chronic pain syndromes requiring opioid intake

Design outcomes

Primary

MeasureTime frameDescription
24 hours opioid consumptionTime Frame: up to 24 hoursmorphine consumptions via patient controlled analgesia device for both group will be recorded

Secondary

MeasureTime frameDescription
Sensory and Motor block score30 minutes post injectionSensorimotor block assessed every 5 minutes until 30 minutes using a 8-point composite. Block level will be evaluated between 0-8 points score
Numeric rating scale for postoperative pain intensityup to 24 hours (Will be evaluated at 1, 3, 6, 12, 18, 24 hours)Evaluated with a Numerical rating scale (NRS) from 0 to 10. (0=no pain; 10=worst imaginable pain)
Quality of Recovery - 15 scorePostoperative 24th hourThe impact of surgical and anesthetic interventions on perioperative quality of life and ability to resume routine life activities will be assessed using the Quality of Recovery (QoR) tool. Each question is scored between 0 and 10. The survey result varies between 0-150 points based on the answers given by the patients. Higher scores indicate better recovery.

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026