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CTRI Number  CTRI/2024/06/068443 [Registered on: 06/06/2024] Trial Registered Prospectively
Last Modified On: 29/05/2024
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Retrospective 
Study Design  Other 
Public Title of Study   Anaesthetic management of shared airway surgeries using THRIVE technique 
Scientific Title of Study   Anaesthetic management of otolaryngotracheal procedures using Trans Nasal Humidified Rapid Insufflation Ventilatory Exchange (THRIVE): An observational retrospective 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  Dr Minal Harde 
Designation  Professor 
Affiliation  Topiwala National Medical College 
Address  Department of anesthesia, Nair Hospital
Mumbai Central
Mumbai
MAHARASHTRA
400011
India 
Phone  09322294681  
Fax    
Email  minalharde@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Minal Harde 
Designation  Professor 
Affiliation  Topiwala National Medical College 
Address  Department of anesthesia, Nair Hospital
Mumbai Central
Mumbai
MAHARASHTRA
400011
India 
Phone  09322294681  
Fax    
Email  minalharde@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Minal Harde 
Designation  Professor 
Affiliation  Topiwala National Medical College 
Address  Department of anesthesia, Nair Hospital
Mumbai Central
Mumbai
MAHARASHTRA
400011
India 
Phone  09322294681  
Fax    
Email  minalharde@yahoo.co.in  
 
Source of Monetary or Material Support  
Government Medical College 
 
Primary Sponsor  
Name  TNMC and Nair Hospital 
Address  TNMC and BYL Nair Hospital Mumbai, INDIA 40008 
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 Minal harde  TNMC  Department of anesthesia, Topiwala National Medical College, Nair Hospital Mumbai Central
Mumbai
MAHARASHTRA 
9322294681

minalharde@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee for Academic Research Project  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 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  2.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  All the patients who underwent otolaryngotracheal surgical procedures under anaesthesia with use of THRIVE during the study period. 
 
ExclusionCriteria 
Details  All the patients who underwent otolaryngotracheal surgical procedures under anaesthesia without THRIVE during the study period. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Vital parameters Heart rate (HR), blood pressure (BP), SpO2, respiratory rate (RR), end tidal carbon dioxide (ETCO2) noted in the preoperative, intraoperative and postoperative period.
THRIVE Flow used
Intra-operative and postoperative course 
Intra-operative and postoperative 
 
Secondary Outcome  
Outcome  TimePoints 
Intra-operative and postoperative desaturation or hypercarbia, need for intubation  Intra-operative and postoperative 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   10/06/2024 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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  

Anaesthesia for shared airway surgeries pose special challenge due to shared airway by anaesthesiologist and surgeons. Special anaesthesia techniques have been used for maintaining oxygenation & ventilation during these otolaryngotracheal surgeries. Apnoeic anaesthesia which is needed in these surgeries can be provided with various techniques and THRIVE is a recent addition to it. [1,2]   

Trans Nasal Humidified Rapid Insufflation Ventilatory Exchange (THRIVE) has unique applications for use during anaesthesia. THRIVE is a technique that allows delivery of upto70 litres of oxygen per minute at 37degree Celsius, with absolute humidity of 44mg H2O/L and an FiO2 up to 1. Anaesthesia for airway surgeries need special techniques owing to shared airway and higher risk of airway complications.  A tubeless surgical field in a shared airway is always the preferred technique & long apnea is possible due to THRIVE maintaining oxygenation & ventilation. THRIVE avoids the need for intubation in airway surgeries and associated complications. 

However being novel technique there are limited studies available and no studies published on Indian population. Hence, we decided to conduct an observational retrospective study on anaesthetic management of patients in ENT OT for various surgical procedures in which THRIVE was used.

AIM

Anaesthetic management of otolaryngotracheal procedures using Trans Nasal Humidified Rapid Insufflation Ventilatory Exchange (THRIVE)

OBJECTIVES: To study the following parameters- Vital parameters, SPO2, ETCO2, ABG parameters,  Duration of THRIVE use, Flow used, Peri-operative course, Surgical procedure and duration,   Complication if any and management

References.
1.     Pearson KL, McGuire BE. Anaesthesia for laryngo-tracheal surgery, including tubeless field techniques. BJA Educ. 2017;17:242–8. 

2.     Jaquet Y, Monnier P, Van Melle G, Ravussin P, Spahn DR, Chollet-Rivier M. Complications of different ventilation strategies in endoscopic laryngeal surgery: a 10-year review. Anesthesiology. 2006 Jan;104(1):52-9. doi: 10.1097/00000542-200601000-00010. PMID: 16394690.

3.  Patel A.  Nouraei SA. Transnasal Humidified Rapid-Insufflation Ventilatory Exchange(THRIVE): a physiological method of increasing apnoea time in patients with difficult airways. Anaesthesia 2015;70:323-9


 
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