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Clinical Trials in Turkey / NCT07486349
Recruiting Not applicable

Shoulder Pericapsular Block Versus Interscalene Block in Arthroscopic Shoulder Surgery

NCT07486349 · tracked via the Priya Life Science Turkey tracker
Sponsor
Marmara University
Phase
Not applicable
Started
2026-04-01
Last updated
2026-10-09

Condition(s) studied

Hemidiaphragmatic Paralysis

Investigational drug(s) / intervention(s)

Interscalene Nerve Blockshoulder pericapsular nerve group block

Interscalene Nerve Block: Procedure: Ultrasound-guided conventional intrafascial interscalene block at C5-C6 level Drug: 15 mL of 0.25% bupivacaine (37.5 mg)

shoulder pericapsular nerve group block: Procedure: Ultrasound-guided shoulder pericapsular nerve group block Drug: 15 mL of 0.25% bupivacaine (37.5 mg)

Study summary

This randomized controlled trial aims to compare the incidence of hemidiaphragmatic paralysis (HDP) following ultrasound-guided interscalene block (ISB) versus shoulder pericapsular nerve group (PENG) block in patients undergoing elective shoulder surgery under general anesthesia.

The primary objective is to determine whether the shoulder PENG block reduces the incidence of HDP compared with conventional intrafascial ISB. HDP will be assessed using ultrasound measurement of diaphragmatic excursion 30 minutes after block performance

Eligibility

Sex
ALL
Min age
18 Years
Max age
75 Years
Healthy volunteers
No
Inclusion Criteria: * ASA physical status I-III * Scheduled for elective shoulder surgery under general anesthesia * Able to provide informed consent Exclusion Criteria: * Pre-existing diaphragmatic dysfunction * Severe COPD or restrictive pulmonary disease * Neuromuscular disorders * BMI \> 40 kg/m² * Coagulopathy * Infection at injection site * Allergy to local anesthetics * Inability to undergo diaphragmatic ultrasound assessment

Primary outcome measure(s)

  • Hemidiaphragmatic Paralysis (HDP) — 30 minutes after block performance
    ≥25% reduction in diaphragmatic excursion from baseline measured by ultrasound M-mode.

Trial sites (1)

FacilityCityRegionStatus
Marmara University Istanbul Turkey (Türkiye) Recruiting

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Other trials for the same condition

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07486349 on ClinicalTrials.gov ↗ ← All trials in Turkey