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CTRI Number  CTRI/2025/07/090806 [Registered on: 14/07/2025] Trial Registered Prospectively
Last Modified On: 25/01/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia
Diagnostic 
Study Design  Single Arm Study 
Public Title of Study   To check if correct position of laryngeal mask airway is maintained at end of laparoscopy surgery with help of Ultrasound : A pilot study 
Scientific Title of Study   Ultrasonographic assessment of ProSealTM laryngeal mask airway position pre-and post-laparoscopy surgery: A pilot study 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Poonam Rani 
Designation  ASSISTANT PROFESSOR 
Affiliation  University college of medical sciences 
Address  2nd floor anaesthesia office Guru Teg Bahadur Hospital Delhi

North East
DELHI
110095
India 
Phone  9878688401  
Fax    
Email  poonam.ronsa.22@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Poonam Rani 
Designation  ASSISTANT PROFESSOR 
Affiliation  University college of medical sciences 
Address  2nd floor anaesthesia office GTB Hospital Delhi

East
DELHI
110095
India 
Phone  9878688401  
Fax    
Email  poonam.ronsa.22@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Poonam Rani 
Designation  ASSISTANT PROFESSOR 
Affiliation  University college of medical sciences 
Address  2nd floor anaesthesia office Guru Teg Bahadur Hospital Delhi

East
DELHI
110095
India 
Phone  9878688401  
Fax    
Email  poonam.ronsa.22@gmail.com  
 
Source of Monetary or Material Support  
University College of Medical Sciences, New Delhi Pin-110095 
 
Primary Sponsor  
Name  University college of medical sciences 
Address  University college of medical sciences, New Delhi India Pin -110095 
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 Poonam Rani  Guru Teg Bahadur Hospital  operation theatres at 4th and 7th floor.
North East
DELHI 
9878688401

poonam.ronsa.22@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
institutional ethics committee- human rsearch  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  
Type  Name  Details 
Intervention  Anterior neck USG  correction of Position of PLMA if it is found suboptimal with USG guidance 
Comparator Agent  not applicable  not applicable 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA I, II patients between age group 18-65 years who will undergo elective laparoscopic surgery requiring general anaesthesia 
 
ExclusionCriteria 
Details  containdication to use Proseal LMA, BMI more than 30, denial of consent, severe respiratory disease, pregnancy 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. Incidence of malpositioning of PLMA at the end of laparoscopic surgery using US  Immidiately after completion of surgery and before removal of PLMA device. 
 
Secondary Outcome  
Outcome  TimePoints 
1. Position of PLMA after placement using US.
2. Reconfirmation of position of PLMA using US at the end of laparoscopic surgery.
3. Determine the rate of optimization for suboptimal PLMA placements detected by US before starting surgery.
4. Compare the incidence of PLMA malposition seen with US, & clinical evaluation by leak test.
5. Determine the rate of postoperative complications like sore throat, hoarseness & tongue edema etc. & risk factors.
 
Immidiately after induction of anaesthesia, immidiately after completion of surgery.
for complications, immidiately when patient gains consciouness & 1 hour after surgery in post operative room. 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="30" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   01/08/2025 
Date of Study Completion (India) 31/10/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
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
Modification(s)  
We have planned to do this  pilot study to find out incidnce of Proseal LMA malposition at end of Laparoscopic surgeries using Ultrasound Scanning. We also propose that placing proseal LMA in optimal position and confirming objectively with ultrasound decreases incidence of its malposition at end of laparoscopic surgeries and thus reducing incidence of complications like aspiration and regurgitation etc.
we could successfully complete this pilot study with 30 participants in this study. we did not come across any major or minor complication of using proseal LMA in laparoscopy surgeries and USG proved to be useful tool in ensuring optimum postition before surgery and also helped in checking position after surgery.
 
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