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Using ultrasound to predict predict low blood pressure after giving anaesthesia- a bedside test

Preanaesthesia ultrsound monitoring of subclavian vein diameter changes induced due to spontaneous respiration along with modified passive leg raise to predict the occurrence of hypotension after general anaesthesia in patients posted for elective surgeries- Prospective observational study. - nil

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2024/10/075158
Enrollment
100
Registered
2024-10-11
Start date
Unknown
Completion date
Unknown
Last updated
2024-10-14

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 Control Intervention1: nil: nil

Sponsors

Merlin Shalini Ruth
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Age 18-70 years ? Elective surgeries? ASA : I, II ? General Anaesthesia ?

Exclusion criteria

Exclusion criteria: Patient refusal? Age : Emergency surgeries ? Systolic Blood Pressure > 180 mmHg and Uncontrolled hypertension ? Patient with lower limb fracture/dislocation? Patients with a history of heart failure, moderate or severe valvular heart disease, aortic disease, peripheral arterial disease, left ventricular ejection fraction less than 40% or ASA III or worse will be excluded.?

Design outcomes

Primary

MeasureTime frame
Determine correlation between pre anaesthesia ultrasound monitoring of subclavian vein diameter changes induced due to spontaneous respiration along with modified passive leg raise to predict the occurrence of hypotension after general anaesthesia in patients posted for elective surgeriesTimepoint: Baseline 10 min post induction of general anaesthesia—

Secondary

MeasureTime frame
To determine if any correlation exists between sex & changes in collapsibility index?Timepoint: Baseline 10 min post induction of general anaesthesia—

Countries

India

Contacts

Public ContactV Vinay Krishna

Chettinad Academy of Research and education

merlin5shalini@gmail.com9790983957

Outcome results

None listed

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