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Using Ultrasound based diameters of large blood vessels to predict low blood pressure after spinal anaesthesia in caesarean section

Preoperative ultrasonographic inferior vena cava collapsibility index and caval aorta index in predicting hypotension after subarachnoid block in patients undergoing caesarean section: a prospective observational analytical study - NIL

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/09/095392
Enrollment
210
Registered
2025-09-24
Start date
Unknown
Completion date
Unknown
Last updated
2025-11-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: O00-O9A- Pregnancy, childbirth and the puerperium

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil Control Intervention1: Nil: Nil

Sponsors

Lady Hardinge Medical College and SSKH
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Singleton pregnancy at greater than 36 weeks

Exclusion criteria

Exclusion criteria: 1. Emergency LSCS (category 1). 2. Patients in whom massive intraoperative loss is expected (placenta accreta or placenta praevia). 3. Patients who have received pre-loading of intravenous fluids. 4. Contraindications to subarachnoid block (e.g., coagulopathy, local infection). 5. Patients with known allergy to local anaesthetics.

Design outcomes

Primary

MeasureTime frame
AUROC value of IVCCI and CAI in predicting hypotension after subarachnoid block in patients undergoing caesarean sectionTimepoint: At baseline in preoperative area—

Secondary

MeasureTime frame
Positive & negative predictive values, sensitivity, & specificity of IVCCI & CAI in predicting hypotension after subarachnoid block in patients undergoing caesarean sectionTimepoint: Measurements of IVCCI & CAI will be done at baseline in preoperative area;Cut off values & AUROC of IVCCI & CAI in predicting hypotension after subarachnoid block in patients undergoing caesarean sectionTimepoint: Measurements of IVCCI & CAI will be done at baseline in preoperative area—

Countries

India

Contacts

Public ContactAnusha Malhotra

Lady Hardinge Medical College and SSKH

dranshugupta1@gmail.com9810030822

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026