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CTRI Number  CTRI/2024/10/075761 [Registered on: 23/10/2024] Trial Registered Prospectively
Last Modified On: 05/10/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   prospective observational study 
Study Design  Other 
Public Title of Study   How intraoperative events can lead to breathing problems in recovery post operative 
Scientific Title of Study   Association between residual neuromuscular blockade and critical respiratory events in post anesthesia care unit -An prospective observation 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 Vungarala Aasritha 
Designation  post graduation 
Affiliation  K.S.Hegde Medical Academy Deralakatte Mangaluru 575018 
Address  DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA 1206 L BEARYS APARTMENT, ULLAL DAKSHINAKANNADA KARNATAKA
DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA 1206 L BEARYS APARTMENT, ULLAL DAKSHINAKANNADA KARNATAKA
Dakshina Kannada
KARNATAKA
575018
India 
Phone  9346253698  
Fax    
Email  aasrithav2010@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Joylin D Souza 
Designation  Assistant professor  
Affiliation  K.S.Hegde Medical Academy 
Address  DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA
DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA
Dakshina Kannada
KARNATAKA
575018
India 
Phone  9346253698  
Fax    
Email  drjoysteff@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Joylin D Souza 
Designation  Assistant professor  
Affiliation  K.S.Hegde Medical Academy 
Address  DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA 1206 L BEARYS APARTMENT, ULLAL DAKSHINAKANNADA KARNATAKA
DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA 1206 L BEARYS APARTMENT, ULLAL DAKSHINAKANNADA KARNATAKA
Dakshina Kannada
KARNATAKA
575018
India 
Phone  9346253698  
Fax    
Email  drjoysteff@gmail.com  
 
Source of Monetary or Material Support  
DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA 
 
Primary Sponsor  
Name  Department of Anesthesilogy and critical care  
Address  K.S.Hegde Medical Academy Deralakatte Mangaluru K.S.Hegde Medical Academy Deralakatte Mangaluru 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NA  NA 
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 Vungarala Aasritha  K.S.Hegde Medical Academy Deralakatte Mangaluru 575018  DEPARTMENT OF ANESTHESIOLOGY AND CRITICAL CARE, KS HEGDE MEDICAL ACADEMY, P.O: NITHYANANDANAGAR, DERLAKATTE, MANGALURU, KARNATAKA
Dakshina Kannada
KARNATAKA 
9346253698

aasrithav2015@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
NITTE Institutional ethics commitee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  ,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NILL  NILL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  patients posted for elective surgeries scheduled to undergo orotracheal intubation using non depolarizing muscle relaxants
ASA 1 to 3 
 
ExclusionCriteria 
Details  patients with neuromuscular diseases
patients with renal failure with GFR more than 60 and hepatomegaly
patients who are planned for postoperative intensive care
pregnancy 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
TO estimate the occurrence of residual neuromuscular blockade and to evaluate critical respiratory events with train of four  TO estimate the occurrence of residual neuromuscular blockade and to evaluate critical respiratory events with train of four at 0 minute 
 
Secondary Outcome  
Outcome  TimePoints 
to estimate the occurence of residual neuromuscular blockade and its association with critical respiratory events  train of four measures at 10th 20th 30th minutes after shifting to post anesthesia care unit 
 
Target Sample Size   Total Sample Size="66"
Sample Size from India="66" 
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)   01/11/2024 
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="1"
Months="6"
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  
Neuromuscular blocking agents (NMBA) are used to facilitate airway management and ensure immobility during surgery thus improving operating conditions.
Complications associated with their use most commonly arise when their paralytic effects have not disappeared or have not been adequately antagonized at the end of surgery
This is called Residual neuromuscular blockade (RNMB) and is associated with adverse outcomes such as upper airway obstruction, reintubation, atelectasis, pneumonia, prolong stay in post anesthesia care unit (PACU) and decreased patient satisfaction
Quantitatively RNMB is defined as a train of four ratio (TOFR) <0.9 in post anesthesia care unit (PACU) secondary to nondepolarizing muscle relaxant (NDMR) administration
The frequency of RNMB ranges between 4 and 50 % depending on diagnostic criteria and type of NMBA drug used, administration of reversal agents and to a lesser extent the use of neuromuscular monitoring (NMM)
Incidence of RNMB has seen a steady decline with the use of perioperative neuromuscular monitoring(NMM)It was estimated to be around 42% in 1979 in a cohort of 72 patients in a seminal report.
This was due to the fact that RNMB was defined as TOFR <0.7 . Subsequently now a broad consensus has been arrived at, and TOFR more than or equal to 0.9 is confirmed to be adequate recovery of neuromuscular function. Despite this RNMB remains a frequent occurrence with incidence as high as 64 %
It has been difficult to prove that RNMB is associated with significant mortality and morbidity due to the relatively low incidence of major adverse outcomes . This is because most patients tolerate RNMB of moderate depth but it is deleterious in patients with limited physiological reserve.
The purpose of the study is to evaluate the occurrence of RNMB and to ascertain its association with critical respiratory events if any.
After approval from institutional ethics committee, patients satisfying the inclusion criteria will be enrolled in the study, thorough preanesthetic evaluation will be conducted according to institutional protocolGeneral anesthesia will be given according to institutional protocol.
In the PACU, baseline Ramsay’s sedation score will be noted. The patient’s arrival time at the PACU will be designated as point zero (T0). Acceleromyograph (TOF-Watch® stim pod) of the patient’s adductor pollicis muscle will be monitored in the form of TOFR.
The stimulation current will be set at 25 to 30 mA to avoid patient discomfort. The average of two consecutive measurements will be made at a frequency of 2 Hz, with four pulses of 0.2 s duration separated by 15 s
TOFR values will be recorded at 0, 10, 20, and 30 min (T0, T1, T2, and T3, respectively).The patient’s arterial oxygen saturation (SpO2), Heart rate (HR), systolic and diastolic blood pressure (SBP &DBP) will be noted at 0,10,20,30 min
 In the presence of RNMB, additional reversal agents and their doses, as considered necessary will be administered.
If any critical respiratory events are identified in PACU during the study, they will be appropriately managed as per institution protocol

 
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