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CTRI Number  CTRI/2025/02/080580 [Registered on: 14/02/2025] Trial Registered Prospectively
Last Modified On: 16/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Change of volume of stomach in children before and after surgery  
Scientific Title of Study   Pre-operative and end-operative gastric volumes in paediatric age group patients undergoing elective and emergency surgeries: An Observational Cross-Sectional Study  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Kartik Karan 
Designation  Post Graduate Resident 
Affiliation  AIIMS, Bilaspur 
Address  4th Floor, Block D, OT Complex, Department of Anaesthesiology and Critical Care, AIIMS Bilaspur

Bilaspur
HIMACHAL PRADESH
174001
India 
Phone    
Fax    
Email  kartikkaran1111@outlook.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vijayalakshmi Sivapurapu 
Designation  Additional Professor and HOD 
Affiliation  AIIMS, Bilaspur 
Address  OT Complex 1, 4th Floor, Block D, AIIMS, Bilaspur

Bilaspur
HIMACHAL PRADESH
174001
India 
Phone  9442176549  
Fax    
Email  prerana1010@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Vijayalakshmi Sivapurapu 
Designation  Additional Professor and HOD 
Affiliation  AIIMS, Bilaspur 
Address  OT Complex 1, 4th Floor, Block D, AIIMS, Bilaspur

Bilaspur
HIMACHAL PRADESH
174001
India 
Phone  9442176549  
Fax    
Email  prerana1010@gmail.com  
 
Source of Monetary or Material Support  
AIIMS Bilaspur Bilaspur 174001 Himachal Pradesh, India 
 
Primary Sponsor  
Name  AIIMS Bilaspur 
Address  AIIMS Kothipura, Bilaspur, 174001 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Kartik Karan  AIIMS Bilaspur  Department of Anaesthesiology and Critical Care, OT Complex, 4th Floor, Block D, AIIMS, Bilaspur
Bilaspur
HIMACHAL PRADESH 
8376994751

kartikkaran1111@outlook.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee (Biomedical & Health Research)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent
Modification(s)  
Type  Name  Details 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  2.00 Year(s)
Age To  18.00 Year(s)
Gender  Both 
Details  (1) Paediatric patients of age group (2 years to 18 years) undergoing elective or emergency
surgeries
(2) Male or Female gender
(3) ASA physical status I-II 
 
ExclusionCriteria 
Details  (1) Patient with known abnormal upper gastrointestinal anatomy or prior upper
gastrointestinal surgery or currently undergoing upper GI surgery
(2) Patients with history of GERD, diabetes mellitus, renal disease
(3) Patient who had vomited since most recent oral intake or upto 4hrs prior to
surgery
(4) Patients with wounds of the epigastrium precluding probe placement
(5) Patients who will be unable to tolerate USG positioning
(6) Patients who are deemed critically ill by the treating team
(7) Patients whose parents refused to give consent
(8) Non cooperative patient 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To correlate pre-operative gastric volumes with preoperative fasting times  Before the initiation of induction of anaesthesia in the pre-op area and before reversal or arousal from anaesthesia 
 
Secondary Outcome  
Outcome  TimePoints 
I. To correlate pre-operative with the end-operative values of gastric volume in adequately
fasted vs non-fasted patients.
II. To compare the average end-operative gastric volumes in patients who underwent
intravenous versus inhalational induction and to correlate the total duration of surgery
with the end-operative gastric volumes and end-operative gastric volumes with presence
or absence of PONV (upto 6 hours post-op)
III. To correlate iGel secretions volume with the gastric volumes, total fentanyl usage, BM
V duration and surgery duration
 
Pre op and End op 
 
Target Sample Size   Total Sample Size="107"
Sample Size from India="107" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="0" 
Phase of Trial   N/A 
Date of First Enrollment (India)   23/02/2025 
Date of Study Completion (India) 22/10/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

After obtaining parental consent, a brief history of the child (age, gender, height, weight, BMI, complaints, medical history, allergies, and recent oral intake) will be recorded. The primary investigator, guided by a supervisor, will perform gastric ultrasounds before and after surgery. An IV line will be placed either in the pre-op area or after induction in the operating room.

Using a high-frequency ultrasound probe, gastric ultrasonography will be done in two phases:

  1. Pre-op (first reading) in the holding area.
  2. End-op (second reading) in the operating room.

In the pre-op phase, the child will be placed in a supine position for ultrasound imaging of the gastric antrum to check for contents (empty, clear liquid, or solid). The child will then be turned to the right lateral decubitus (RLD) position, and the gastric volume will be measured three times using cross-sectional area (CSA) and averaged using the Perlas equation.

During the imaging, one image in the supine and RLD positions, along with one live clip in RLD.. The same process will be repeated during the end-op period.

Post-surgery, the child will be monitored in the recovery ward for up to 6 hours. Any occurrence of postoperative nausea or vomiting will be treated with ondansetron, and the event will be documented.

 
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