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Ultrasound assessment of left symphathetic nerve block in the neck on the diameter and blood flow of the left internal mammary artery in bypass surgery patients.

Ultrasonographic evaluation of the effect of left Stellate ganglion block on the diameter and blood flow of the left internal mammary artery in patients undergoing myocardial revascularization surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2019/09/021288
Enrollment
75
Registered
2019-09-17
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: I251- Atherosclerotic heart disease of native coronary artery

Interventions

Intervention1: Left Stellate ganglion block: The patient will be positioned supine and the neck slightly turned to the right, a high frequency linear transducer (6-15 Mhz) will be placed at the level

Sponsors

Jawaharlal Institute of Postgraduate Medical Education and Research puducherry
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: i. Age above 18 years to 75 ii. ASA physical status I-III who will undergo myocardial revascularization surgery under general anaesthesia

Exclusion criteria

Exclusion criteria: i. History of coagulation disorders ii. Recent myocardial infarction ( iii. Unstable angina iv. Bradycardia (heart rate [hr] v. Glaucoma vi. Decreased ventricular function (ejection fraction vii. left main coronary artery disease ( > 50% of diameter) viii. Emergency CABG ix. Pre-existing contralateral phrenic nerve palsy

Design outcomes

Primary

MeasureTime frame
To assess the Left Internal Mammary artery Diameter and blood flow by ultrasonogram before and after Left stellate ganglion blockTimepoint: One reading of Left Internal Mammary artery diameter and blood flow will be taken after induction of anesthesia(HR and BP maintained within 20% of the baseline). Another reading of the Left Internal Mammary artery diameter and blood flow will be taken 20 minutes after the block.—

Secondary

MeasureTime frame
Incidence of significant ventricular or atrial arrhythmias in the post-op period(sustained for more than 5 minutes or requiring intervention)Timepoint: At any point of time during the surgery until 24 hours post surgery—

Countries

India

Contacts

Public ContactDr Noel Marie Pio Samy

Jawaharlal Institute of Postgraduate Medical Education and Research puducherry

jipmersatyen@gmail.com7708746042

Outcome results

None listed

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