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The Role of Preoperative Internal Jugular Vein Collapsibility and Perfusion Index in Predicting Hypotension After Spinal Anesthesia in Elective Cesarean Sections: A Prospective Observational Study

Recruitingn/aAges 18 Years - 45 YearsFemaleDr Abdurrahman Yurtaslan Ankara Oncology Training…
NCT07539896 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Spinal anesthesia is widely preferred for elective cesarean delivery due to its favorable safety profile and superior postoperative analgesia. However, post-spinal hypotension (PSH) remains a common complication, with reported incidence rates ranging from 40% to 70%, potentially compromising maternal hemodynamic stability and uteroplacental perfusion. Early identification of patients at high risk for PSH is therefore of critical clinical importance. This prospective observational study aims to evaluate the predictive performance of preoperative internal jugular vein collapsibility index (IJV-CI), assessed by ultrasonography, and baseline perfusion index (PI), obtained via pulse oximetry, for the development of PSH in patients undergoing elective cesarean section under spinal anesthesia. While IJV-CI reflects intravascular volume status and preload, PI represents peripheral vascular tone

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📋 Eligibility rules (as published)
Inclusion Criteria: Age 18-45 years Singleton pregnancy Scheduled for elective cesarean section Planned spinal anesthesia ASA physical status II Exclusion Criteria: Hypertensive disorders of pregnancy (e.g., preeclampsia, HELLP syndrome) Known significant cardiac disease or pulmonary hypertension Chronic kidney disease Hemoglobinopathies Multiple pregnancy Emergency cesarean section Conversion to general anesthesia Anatomical or pathological conditions preventing IJV ultrasound assessment -
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What it tests

  • Baseline PI will be recorded,IJV diameters will be measured via ultrasound
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Where

1 site
Mugla Sitki Kocman University Training and Research Hospital
Muğla, Turkey (Türkiye)
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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