Ultrasound Evaluation of Two Anatomic Landmarks in Spinal Anesthesia for Cesarean Section: the Posterior Superior Iliac Spine VS Iliac Crest
Recruiting
Observational Study
Spinal Anesthesia
Ultrasonography
Posterior Superior Iliac Spine
Intercristal Line
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Sex
- Female
- Study type
- Observational
- Participants needed
- 660 (estimated)
- Sponsor
- The Third Affiliated Hospital of Guangzhou Medical University · Other
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About This Trial
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…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* After obtaining written informed consents,pregnant women at 37-42 weeks of gestation
Exclusion Criteria:
* BMI ≥ 40 kg/m² (to minimize palpation variability), History of lumbar surgery/deformity (scoliosis, spondylolisthesis or osteoporotic vertebral collapse), Inability to …
Contacts