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CTRI Number  CTRI/2022/11/047310 [Registered on: 15/11/2022] Trial Registered Prospectively
Last Modified On: 29/01/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   To check the role of voice recorded before surgery on predicting difficult face mask ventilation under anesthesia 
Scientific Title of Study   Evaluation of the role of preoperative voice assessment for prediction of difficult face mask ventilation: an observational study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Shweta Prajapati 
Designation  PG resident 
Affiliation  Maulana Azad Medical College 
Address  Room no. 308, 3rd floor BLT block , Maulana Azad Medical college 2,Bahadurshah Zafar Marg, New Delhi -110002

Central
DELHI
110002
India 
Phone  9910482317  
Fax    
Email  shweta08320@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Kapil Chaudhary 
Designation  Professor ( doctor ) 
Affiliation  Maulana Azad Medical College 
Address  Room no. 313, 3rd floor BLT block , Maulana Azad Medical college 2,Bahadurshah Zafar Marg, New Delhi -110002

Central
DELHI
110002
India 
Phone  9871262699  
Fax    
Email  kapsdr@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Shweta Prajapati 
Designation  PG resident 
Affiliation  Maulana Azad Medical College 
Address  Room no. 308, 3rd floor BLT block , Maulana Azad Medical college 2,Bahadurshah Zafar Marg, New Delhi -110002

Central
DELHI
110002
India 
Phone  9910482317  
Fax    
Email  shweta08320@gmail.com  
 
Source of Monetary or Material Support  
Maulana Azad Medical College and associated Lok Nayak Hospital  
 
Primary Sponsor  
Name  Maulana Azad Medical College 
Address  OT Blocks,Department of Anaesthesia & Intensive Care, Lok Nayak Hospital and associated Maulana Azad Medical College 2, Bahadurshah Zafar Marg, New Delhi 110002 
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 Shweta Prajapati  Lok Nayak Hospital, Maulana Azad Medical College   Ot block, Department of Anaesthesia & Intensive Care, Maulana Azad medical college & associated Lok Nayak Hospital 2,Bahadur shah Zafar Marg , New delhi 110002
Central
DELHI 
9910482317

shweta08320@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
MAMC IEC   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C390||Malignant neoplasm of upper respiratory tract, part unspecified, (2) ICD-10 Condition: C509||Malignant neoplasm of breast of unspecified site, (3) ICD-10 Condition: C579||Malignant neoplasm of female genital organ, unspecified, (4) ICD-10 Condition: C689||Malignant neoplasm of urinary organ, unspecified, (5) ICD-10 Condition: C759||Malignant neoplasm of endocrine gland, unspecified, (6) ICD-10 Condition: C801||Malignant (primary) neoplasm, unspecified, (7) ICD-10 Condition: C801||Malignant (primary) neoplasm, unspecified, (8) ICD-10 Condition: K319||Disease of stomach and duodenum, unspecified, (9) ICD-10 Condition: K389||Disease of appendix, unspecified, (10) ICD-10 Condition: K469||Unspecified abdominal hernia without obstruction or gangrene, (11) ICD-10 Condition: K566||Other and unspecified intestinal obstruction, (12) ICD-10 Condition: K629||Disease of anus and rectum, unspecified, (13) ICD-10 Condition: K769||Liver disease, unspecified, (14) ICD-10 Condition: K808||Other cholelithiasis, (15) ICD-10 Condition: K829||Disease of gallbladder, unspecified, (16) ICD-10 Condition: K839||Disease of biliary tract, unspecified, (17) ICD-10 Condition: K869||Disease of pancreas, unspecified, (18) ICD-10 Condition: K87||Disorders of gallbladder, biliarytract and pancreas in diseases classified elsewhere, (19) ICD-10 Condition: K929||Disease of digestive system, unspecified, (20) ICD-10 Condition: K940||Colostomy complications, (21) ICD-10 Condition: N509||Disorder of male genital organs, unspecified, (22) ICD-10 Condition: N289||Disorder of kidney and ureter, unspecified, (23) ICD-10 Condition: N289||Disorder of kidney and ureter, unspecified, (24) ICD-10 Condition: N630||Unspecified lump in unspecified breast, (25) ICD-10 Condition: N649||Disorder of breast, unspecified, (26) ICD-10 Condition: N74||Female pelvic inflammatory disorders in diseases classified elsewhere, (27) ICD-10 Condition: L989||Disorder of the skin and subcutaneous tissue, unspecified, (28) ICD-10 Condition: M959||Acquired deformity of musculoskeletal system, unspecified, (29) ICD-10 Condition: M968||Other intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified, (30) ICD-10 Condition: H948||Other specified disorders of ear in diseases classified elsewhere, (31) ICD-10 Condition: H758||Other specified disorders of middle ear and mastoid in diseases classified elsewhere, (32) ICD-10 Condition: C148||Malignant neoplasm of overlappingsites of lip, oral cavity and pharynx, (33) ICD-10 Condition: C029||Malignant neoplasm of tongue, unspecified, (34) ICD-10 Condition: C069||Malignant neoplasm of mouth, unspecified, (35) ICD-10 Condition: D249||Benign neoplasm of unspecified breast, (36) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  1.Age 18 yrs and above
2.American Society Of Anaesthesiologist physical grade I,II,III 
 
ExclusionCriteria 
Details  1.Patients in whom achieving a proper mask seal will be difficult including but not limited to edentulous, beard, scars,swellings, dressings over the face
2.Patients with known nasal, oral or laryngeal pathologies
3. Patients who are unable to pronounce vowels and consonants of study
4. Patients requiring rapid sequence intubation
5.Participants with a previous history of speech disorders, vocal cord disease, cleft palate, craniofacial syndromes, hearing or perception abnormalities, mental or central nervous system disease
6.Pregnant woman 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Association between preoperative voice formants and difficult facemask ventilation  1 minute after muscle relaxant administration 
 
Secondary Outcome  
Outcome  TimePoints 
1. Association between preoperative voice bandwidth an difficult facemask ventilation
2. Association between preoperative voice pitch and difficult facemask ventilation 
1 minutes after muscle relaxant administration 
 
Target Sample Size   Total Sample Size="269"
Sample Size from India="269" 
Final Enrollment numbers achieved (Total)= "312"
Final Enrollment numbers achieved (India)="312" 
Phase of Trial   N/A 
Date of First Enrollment (India)   18/11/2022 
Date of Study Completion (India) 14/12/2023 
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)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Completed 
Publication Details   Not yet 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Face mask ventilation is an essential aspect of airway management in general anaesthesia and identification of risk factors to predict it assumes importance. Voice has recently been used to evaluate difficult airway. 

The aim of this study would be to evaluate the role of preoperative voice assessment for prediction of difficult facemask ventilation. ASA I-III patients undergoing elective surgery under general anaesthesia would have their voice assessment preoperatively and difficulty in facemask ventilation would be assessed intraoperatively.
 
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