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This study helps to understand how measurement of the diameter of certain blood vessels in the body can help in predicting a fall in blood pressure that could happen after spinal anesthesia in patients undergoing surgeries under spinal anesthesia

Efficacy of Inferior Vena Cava Collapsibility Index, Internal Jugular Vein Collapsibility Index and Caval Aorta Index in predicting the incidence of hypotension after spinal anaesthesia - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/04/083773
Enrollment
85
Registered
2025-04-01
Start date
Unknown
Completion date
Unknown
Last updated
2025-04-28

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Nil: Nil

Sponsors

Dr Aleena Treasa Rodrigues
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Patients of either gender of the age group eighteen to fifty nine years 2. Consenting to the study 3. Belonging to American Society of Anaesthesiologists physical status one or two 4. Undergoing elective surgery under spinal anaesthesia. 5. The patient has to be in supine position for the entire duration of surgery.

Exclusion criteria

Exclusion criteria: 1. Patients with hypertension 2. Patients with LVEF less than forty percent 3. Patients with increased intraabdominal pressure 4. Patients with BMI greater than thirty kilogram per meter square 5. Surgeries done under unilateral spinal anaesthesia 6. Pregnant patients 7. Failure to perform spinal anaesthesia. 8. After recruitment, if level of anaesthesia achieved is above thoracic level five

Design outcomes

Primary

MeasureTime frame
To compare the sensitivity of IVC collapsibility index, IJV collapsibility index and aorta caval index in predicting spinal anaesthesia induced hypotension in adults undergoing surgery in supine positionTimepoint: Baseline vitals are noted along with measurement of IVC, IJV and aorta diameter. NIBP, HR and SpO2 will be recorded every 2 minutes for the first 10 minutes and every 5 minutes until 30 mins after spinal anaesthesia. Outcome would be presence of hypotension post spinal anaesthesia, and that will be measured intraoperatively.—

Secondary

MeasureTime frame
To associate other baseline patient specific parameters with spinal anaesthesia induced hypotensionTimepoint: Baseline vitals are noted along with measurement of IVC, IJV & aorta diameter. NIBP, HR & SpO2 will be recorded every 2 minutes for the first 10 minutes & every 5 minutes until 30 mins after spinal anaesthesia. Outcome would be presence of hypotension post spinal anaesthesia, & that will be measured intraoperatively.—

Countries

India

Contacts

Public ContactDr Sathyanarayana P S

St Johns Medical College Hospital

sathyanarayananair@yahoo.com9448066128

Outcome results

None listed

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