Investigation of the Role of Internal Jugular Vein Collapsibility Index in Predicting Spinal Anesthesia-Induced Hypotension in Preeclamptic Parturients

Starting soon

Conditions studied: Spinal Anesthesia-Induced Hypotension, Preeclampsia, Cesarean Section

In brief

This prospective, single-center observational study aims to evaluate the predictive value of the internal jugular vein collapsibility index (IJVCI) for spinal anesthesia-associated hypotension in preeclamptic parturients (gestational age ≥28 weeks) undergoing cesarean delivery classified as Lucas category 3-4. Preoperative IJVCI will be measured using ultrasonography before spinal anesthesia during spontaneous and deep respiration. The incidence of hypotension within the first 20 minutes after spinal anesthesia will be recorded. The diagnostic performance of IJVCI in predicting hypotension will be analyzed.

Key facts

Study ID

NCT07496788

Run by

Ankara City Hospital Bilkent

People needed

96

Starts

2026-05-01

Expected to finish

2026-07-25

Last updated by the study team

2026-03-27

Who can join

Age: 18 and older, up to 45. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Age between 18 and 45 years
• ASA physical status II-III
• Diagnosed with preeclampsia
• Scheduled for cesarean delivery under spinal anesthesia with cesarean urgency classified as Lucas category 3-4
• Gestational age ≥28 weeks
• Provided written informed consent

You may not qualify if…

• Cesarean urgency classified as Lucas category 1-2
• Gestational age <28 weeks
• ASA physical status ≥ IV
• Known renal disease
• Cardiac instability or known arrhythmia
• Requirement of general anesthesia or sedation
• Inability to provide informed consent

Where it is running

• Ankara Bilkent City Hospital — Ankara, Ankara, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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