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CTRI Number  CTRI/2025/06/088584 [Registered on: 11/06/2025] Trial Registered Prospectively
Last Modified On: 06/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   To study the Perfusion index using a pulse oximeter to predict if there will be hypotension after giving spinal anaesthesia in patient undergoing lower segment caesarean section (LSCS).  
Scientific Title of Study   Perfusion index as a predictor of hypotension following spinal anaesthesia in lower segment caesarean section 
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 Rajan Verma 
Designation  Professor, Department of anesthesia, Government medical college, amritsar 
Affiliation  Government medical college, amritsar 
Address  Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Amritsar
PUNJAB
143001
India 
Phone  9815267049  
Fax    
Email  rajan.verma0102@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Rajan Verma 
Designation  Professor, Department of anesthesia, Government medical college, amritsar 
Affiliation  Government medical college, amritsar 
Address  Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Amritsar
PUNJAB
143001
India 
Phone  9815267049  
Fax    
Email  rajan.verma0102@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Rajan Verma 
Designation  Professor, Department of anesthesia, Government medical college, amritsar 
Affiliation  Government medical college, amritsar 
Address  Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Department of Anaesthesia Government medical college Amritsar Punjab 143001 India
Amritsar
PUNJAB
143001
India 
Phone  9815267049  
Fax    
Email  rajan.verma0102@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Department of Anaesthesia 
Address  Government medical college Amritsar Punjab 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
Department of Anaesthesia  Government medical college Amritsar Punjab 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Vibhav Prashant Joshua  Government medical college, Amritsar  Department of Anaesthesia, Government medical college, Amritsar, PUNJAB
Amritsar
PUNJAB 
8054187064

drvibhavjoshua@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutuional Ethics Committee, Government medical college, Amritsar  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  Patients with baseline perfusion index of less than 3.5 were taken and their baseline perfusion index and hemodyamics will be recorded and then the patient will be given given spinal anesthesia along with coloading of ringer lactate.  Patient will be prepared for elective caesarean section. Patients baseline perfusion index and baseline haemodynamic readings will be noted before giving spinal anesthesia. Co loading will be done while giving spinal anesthesia in left lateral position. Intraoperative Perfusion index and haemodynamic readings will be noted and comapred to preoperative readings. Total duration of intervention is from preoperative preperation to completion of surgery. 
Comparator Agent  Patients with baseline perfusion index of more than 3.5 were taken and their baseline perfusion index and hemodyamics will be recorded and then the patient will be given given spinal anesthesia along with coloading of ringer lactate.  Patient will be prepared for elective caesarean section. Patients baseline perfusion index and baseline haemodynamic readings will be noted before giving spinal anesthesia. Co loading will be done while giving spinal anesthesia in left lateral position. Intraoperative Perfusion index and haemodynamic readings will be noted and comapred to preoperative readings. Total duration of intervention is from preoperative preperation to completion of surgery. 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  35.00 Year(s)
Gender  Female 
Details  Patients belonging to ASA grade I and II
Patients undrgoing elective lower segment caesarean section 
 
ExclusionCriteria 
Details  Patients refusal
Patients age more than 35 years
Patients of ASA grade III and IV
Preterm and post term patients
Patients with placenta previa
Patients with Gestational diabetes mellitus
Patients with cardiovascular diseases
Patients with central nervous system diseases
Patients with coagulation disorder or on anticoagulation theray
Patients with conditions perdisposing to hypotension
Patients with contraindications to spinal anesthesia 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To asses the correlation between perfusion index and incidence of hypotension following spinal anesthesia in patients undergoing elective caesarean section.
 
Time from preoperative period till the end of surgery. 
 
Secondary Outcome  
Outcome  TimePoints 
To asses the response of drugs phenyephrine and ephedrine on blood pressure.
To observe complications such as hypotension and bradycardia. 
Time from preoperative period till the end of surgery. 
 
Target Sample Size   Total Sample Size="120"
Sample Size from India="120" 
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)   17/06/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  17/06/2025 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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   This is a prospective randomized double blind study to compare perfusion index in predicting hypotension following spinal anaesthesia in lower segment caesarean section was conducted on one hundred twenty patients belonging to American Society of Anaesthesiologist (ASA) Grade I and II, of child bearing age i.e., 20 to 35 years, posted for LSCS under spinal anaesthesia, admitted in Guru Nanak Dev Hospital affiliated to Government Medical College, Amritsar. Patients will be divided into 2 groups of 60 each based on PI index. Group A : Patients with baseline perfusion index <3.5,  Group B : Patients with baseline perfusion index >3.5. Patients from Group A and Group B will be divided into 2 groups based on the drug used to manage episodes of hypotension. Group E : Ephedrine and  Group P : Phenylephrine. Blood pressure after drug administration and bolus dose requirements between two groups will be compared. 
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