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Ultrasound-Guided Assessment of Ventrogluteal Intramuscular Injection in Adults With High BMI
Sponsor: Marmara University
Summary
This study evaluated the ventrogluteal site for intramuscular injection in adults with a body mass index of 25 kg/m² or higher. Ultrasound was used to measure subcutaneous tissue, muscle, and total tissue thickness at the injection site and the distances from the injection point to anatomical landmarks and the sciatic nerve. During intramuscular injection with a 40 mm needle, real-time ultrasound was used to visualize the needle tip and assess its position within the muscle. The study also evaluated successful intramuscular placement, subcutaneous medication leakage, and injection-related complications. The findings were assessed across three body mass index groups.
Official title: Ventrogluteal Intramuscular Injection in Individuals With High Body Mass Index: Ultrasound-Based Anatomical Measurements and Evaluation of Safe Intramuscular Placement of a 40 mm Needle
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
89
Start Date
2026-04-01
Completion Date
2026-08-01
Last Updated
2026-09-18
Healthy Volunteers
No
Conditions
Interventions
Ventrogluteal Intramuscular Injection Using a 40 mm Needle
Participants received a ventrogluteal intramuscular injection of 1 mL cyanocobalamin (1000 mcg/mL) using a 40 mm, 21-gauge needle. The injection site was identified using the G method. During the injection, the needle tip was visualized in real time using ultrasonography to evaluate its intramuscular position, including its distance from the superficial muscle fascia and the ilium. The position of the needle tip relative to the sciatic nerve was also assessed.
Locations (1)
Bagcilar Training and Research Hospital
Istanbul, Eyalet/Yerleşke, Turkey (Türkiye)