The Effect of Pericapsular Nerve Group Block With Different Local Anesthetic Volumes

Early postoperative pain following shoulder surgery is a significant clinical problem for both patients and orthopedic surgeons. Effective pain control is crucial for improving postoperative comfort and optimizing rehabilitation. Pericapsular nerve group block (PENG) is a regional anesthesia method that has recently gained attention due to its lack of motor block and absence of pulmonary complications. The aim of this study is to evaluate the effect of PENG block, applied at two different volumes, on postoperative pain and opioid consumption in patients undergoing arthroscopic shoulder surgery.

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Key information

Conditions

Pericapsuler Nerve Group Block Neurologic Manifestations Pain Pain, Postoperative Pathologic Processes Pathological Conditions, Signs and Symptoms Postoperative Complications Postoperative Pain Signs and Symptoms

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

elective arthroscopic shoulder surgery planned
ASA I-III physical status

Exclusion criteria

Patients with

coagulopathy,
neuropathy,
anticoagulant use
history of chronic pain,
pre-existing psychiatric illness
body mass index greater than 35 kg/m2
allergy or sensitivity to local anesthetics and opiods
infection at the injection site
who cannot understand pain scoring
whose follow-up and treatment are continuing in the intensive care unit
who will undergo open shoulder surgery.

Treatment and study plan

pericapsular nerve group (PENG) block

Procedure

During PENG block application; the patient's arm was rotated externally and abducted at 45 degrees. A longitudinal linear ultrasound probe was placed between the coracoid and humeral head. After identifying the humeral head, the tendon of the subscapular muscle, and the deltoid muscle above it, a 50 mm needle was inserted using the "in-plane" technique. After the needle tip was placed above the bone below the subscapularis tendon, a local anesthetic solution was injected.

Primary outcomes

postoperative pain and opiod consumption

Time frame: postoperative 24 hours

Sponsors and collaborators

Lead sponsor

Selcuk University

Other

Registry information

Official study title

The Effect of Pericapsular Nerve Group Block With Different Local Anesthetic Volumes on Postoperative Pain in Arthroscopic Shoulder Surgery

Important dates

Study start: 2026
Primary completion: 2027
Study completion: 2027
First posted: Jun 24, 2026
Registry last updated: Jun 24, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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