Measurement of blood flow in internal carotid artery (supplying blood to head and neck region) by sonography in patients undergoing gallbladder removal by laparoscopy.
Not Applicable
Completed
- Conditions
- Health Condition 1: K802- Calculus of gallbladder without cholecystitis
- Registration Number
- CTRI/2021/07/035076
- Lead Sponsor
- Mahatma Gandhi Medical college and Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 35
Inclusion Criteria
1. consenting patients of either sex undergoing elective laparoscopic cholecystectomy under general anaesthesia.
2. Age 18-60 years
3. Non obese patients (BMI equal to or less than 32kg/m2)
4. Patients belonging to physical status ASA grade I/II
Exclusion Criteria
1. patients falling in criteria but not giving consent to participate in the study.
2. ASAngrade III/IV/V
3. patients with hyperlipidaemia, known coronary artery disease, hyertension, cerebrovascular disease, diabetes mellitus, patients on beta blockers or on statin therapy
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method To derive and study changes in internal carotid artery blood flow ultrasonographically in patients <br/ ><br>undergoing elective laparoscopic cholecystectomy under general anaesthesia in terms of internal <br/ ><br>carotid artery diameter, internal carotid artery velocity and beat volumeTimepoint: 1- Awake - just before induction of anaesthesia. <br/ ><br>2- Two minutes after induction of anaesthesia, <br/ ><br>3- Two minutes after creation of pneumoperitoneum and <br/ ><br>4- Two minutes after providing head up tilt.
- Secondary Outcome Measures
Name Time Method To derive and calculate cardiac output by Liljestrand and Zander formulaTimepoint: 1- Awake - just before induction of anaesthesia. <br/ ><br>2- Two minutes after induction of anaesthesia, <br/ ><br>3- Two minutes after creation of pneumoperitoneum and <br/ ><br>4- Two minutes after providing head up tilt.