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CTRI Number  CTRI/2025/07/091681 [Registered on: 24/07/2025] Trial Registered Prospectively
Last Modified On: 17/06/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   observational 
Study Design  Other 
Public Title of Study   A study assessing the spinal cord catheter placement for patients coming for csf leak repair surgery 
Scientific Title of Study   A prospective observational study on CSF lumbar drain placement for endoscopic CSF leak repair in patients diagnosed with spontaneous CSF leak  
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
nil   NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Rahavi R  
Designation  Assistant professor  
Affiliation  CHRISTIAN MEDICAL COLLEGE AND HOSPITAL 
Address  Department of Anaesthesiology Christian medical college and hospital Vellore
Department of Anaesthesiology Christian medical college and hospital, Vellore.
Vellore
TAMIL NADU
632004
India 
Phone  9442763053  
Fax    
Email  rahavirajendran@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Naveen Kumar S  
Designation  Assistant professor  
Affiliation  CHRISTIAN MEDICAL COLLEGE AND HOSPITAL 
Address  Department of Cardiac Anaesthesia Christian Medical College and Hospital, Thottapalayam Vellore

Vellore
TAMIL NADU
632004
India 
Phone  9885520970  
Fax    
Email  suda.naveen@cmcvellore.ac.in  
 
Details of Contact Person
Public Query
 
Name  Naveen Kumar S  
Designation  Assistant professor  
Affiliation  CHRISTIAN MEDICAL COLLEGE AND HOSPITAL 
Address  Department of Cardiac Anaesthesia Christian Medical College and Hospital Thottapalayam VELLORE

Vellore
TAMIL NADU
632004
India 
Phone  9885520970  
Fax    
Email  suda.naveen@cmcvellore.ac.in  
 
Source of Monetary or Material Support  
christian medical college and hospital thottapalayam vellore PIN :632004 
 
Primary Sponsor  
Name  christian medical college and hospital  
Address  Christian medical college and Hospital , Vellore. 
Type of Sponsor  Private 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 
Rahavi R  Christian medical college and hospital   ENT Operating theatres -22,23,24 and 25 , ENT RECOVERY ROOM and ENT ward
Vellore
TAMIL NADU 
9442763053

rahavirajendran@gmail.com  
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Review Board   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G988||Other disorders of nervous system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  ASA I, II and III
Patients between 18-75 years of age
Elective CSF LEAK REPAIR surgery 
 
ExclusionCriteria 
Details  ASA 4 and above
emergency surgery
patient refusal
age more than 80 years  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
The time taken for placement of the LSAD with the two different techniques
being used ( USG and landmark based techniques).
 
Intra-operative and the post-operative periods. 
 
Secondary Outcome  
Outcome  TimePoints 
Number of attempts required for LSAD placement using two different techniques (USG or
landmark based technique)
Any complications such as bloody tap and PDPH associated with the LSAD placement 
intraoperative and postoperative period 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   25/07/2025 
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="0"
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    Measurement and monitoring of intracranial pressure play vital roles in diagnostic and therapeutic procedures. Different methods of measuring intracranial pressure involve both invasive and noninvasive techniques. Both invasive and non-invasive techniques of intracranial pressure monitoring have their advantages and disadvantages. Out of all the techniques of measurement of intracranial pressure, measurement of ICP via lumbar puncture/ drain is one of the less invasive techniques. But lumbar puncture / lumbar catheter placement needs expertise, and it is time consuming.The purpose of our study is to formulate a protocol / guide in performing a lumbar puncture/ lumbar drain placement procedure. One of the major priorities will be in reducing the time requirement while performing the procedure. There are different techniques of placement of lumbar drain catheter. We would like to observe and formulate a protocol which suggests the technique with minimal duration, decreasing the number of attempts of placement. We would also like to observe the technique with minimal hemodynamic changes.Patients posted for Spontaneous CSF leak repair and patients requiring preoperative lumbar drain placement between age groups 18- 75 years of age, in the ASA classification I TO III will be approached for informed consent by the principal investigator on the evening prior to surgery and recruited.Preoperatively patient’s demographics, diagnosis, the proposed surgery, the indication for lumbar drain placement, comorbidities of the patient, examination of the patient and the baseline investigations will be assessed and documented by the principal investigator. Standard fasting guidelines will be followed by and premedication if indicated will be given with tablet lorazepam/tablet diazepam. In the operating theatre, a peripheral line which is a part of the routine anesthetic procedure will be started.In the operating room IV access will be established under local anaesthesia and ASA (American Society of Anaesthesiologists) standard monitoring will be established with SpO2, ECG, NIBP and EtCO2. The baseline vitals (heart rate, blood pressure, skin temperature, consciousness level) will be recorded. Vital signs will be monitored during the procedure (every 5 minutes) for the complete duration of the surgery and the monitoring will be continued in the recovery room, till the time the patient is ready for discharge from the post anaesthesia care unit. The CSF pressure during the lumbar drain placement will be recorded and documented. Continuous temperature recording will be done.We will also record the technique of lumbar drain placement, the position of the patient, procedure done under either local anaesthesia/ general anaesthesia, the type and gauge of the needle used for the catheter placement, the number of attempts of placement, any complications during the procedure. The total duration of the procedure, the amount of CSF drained every hour (intra-operatively), the intraoperative blood loss during the surgery. Postoperatively if the patient is stable, they will be shifted to the post-anesthesia care unit (PACU) or recovery room for immediate post-operative monitoring. If the patient requires continued hemodynamic and ventilatory care, ICU admission will be mandated. This will be documented. Post-operative parameters: In the post-operative period, we will follow up on the patient till the day the lumbar drain catheter is removed. We will observe, assess and document the following postoperative details such as the total volume of CSF drained, any complications such as kinking, occlusion of the catheter, blood-tinged CSF in the catheter and the number of postoperative days that the catheter is kept in situ.  
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