Actively Recruiting
Ultrasound Evaluation of Two Anatomic Landmarks in Spinal Anesthesia for Cesarean Section: the Posterior Superior Iliac Spine VS Iliac Crest
Led by The Third Affiliated Hospital of Guangzhou Medical University · Updated on 2026-02-03
660
Participants Needed
1
Research Sites
67 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
Intercristal line as palpation landmarks to identifying the vertebral level is frequently inaccurate.To find more safe and reliable body surface markers and convenient methods to be solved in clinical work.The investigators performed a two-stage study to evaluated the accuracy of intercristal line and the The Posterior Superior Iliac Spine (PSIS) line to identify the lumbar interspinous spaces for spinal anesthesia using ultrasonography in pregnant woman which will provide a second option.
CONDITIONS
Official Title
Ultrasound Evaluation of Two Anatomic Landmarks in Spinal Anesthesia for Cesarean Section: the Posterior Superior Iliac Spine VS Iliac Crest
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Pregnant women at 37 to 42 weeks of gestation
- Written informed consent obtained
You will not qualify if you...
- Body mass index (BMI) of 40 kg/m² or higher
- History of lumbar surgery or spinal deformities such as scoliosis, spondylolisthesis, or osteoporotic vertebral collapse
- Inability to maintain a flexed lateral decubitus (side-lying) position
- Participant withdrawal from the study
- Unexpected anatomical abnormalities found during screening
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
The Third Affiliated Hospital of Guangzhou Medical University
Guangzhou, Guangdong, China
Actively Recruiting
Research Team
W
Wenhua Zhang, PhD
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
3
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