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CTRI Number  CTRI/2025/07/090231 [Registered on: 04/07/2025] Trial Registered Prospectively
Last Modified On: 03/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Single Arm Study 
Public Title of Study   Effect of Breath Stacking Technique on Pulmonary Capacity and Daily Life functional Tasks after Mitral Valve Replacement surgery  
Scientific Title of Study   Evaluating the impact of Breath Stacking Technique on Enhancing Pulmonary Capacity and Daily Life Functional Tasks in the Early Post Operative Phase of Mitral Valve Replacement Surgery Patients  
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 Heena Jain 
Designation  MPT Student 
Affiliation  Mahatma Gandhi College Of Physiotherapy, MGUMST , Jaipur 
Address  Cardiopulmonary Lab, Mahatma Gandhi College of Physiotherapy, Mahatma Gandhi University of Medical Science and Technology, RIICO Industrial Area, RIICO Institutional Area, Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  7740977276  
Fax    
Email  heena@mgumst.org  
 
Details of Contact Person
Scientific Query
 
Name  Dr Yuthika Rao 
Designation  Associate Professor 
Affiliation  Mahatma Gandhi College of Physiotherapy, MGUMST, Jaipur 
Address  Cardiopulmonary Lab, Mahatma Gandhi College of Physiotherapy, Mahatma Gandhi University of Medical Science and Technology, RIICO Industrial Area, RIICO Institutional Area, Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  9530096172  
Fax    
Email  dryuthikarao@mgumst.org  
 
Details of Contact Person
Public Query
 
Name  Dr Yuthika Rao 
Designation  Associate Professor 
Affiliation  Mahatma Gandhi College of Physiotherapy, MGUMST, Jaipur 
Address  Cardiopulmonary Lab, Mahatma Gandhi College of Physiotherapy, Mahatma Gandhi University of Medical Science and Technology, RIICO Industrial Area, RIICO Institutional Area, Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  9530096172  
Fax    
Email  dryuthikarao@mgumst.org  
 
Source of Monetary or Material Support  
Mahatma Gandhi College Of Physiotherapy, MGUMST, Mahatma Gandhi Road, RIICO Industrial Area, RIICO Institutional Area, Sitapura, Ramchandpura , Jaipur 
 
Primary Sponsor  
Name  Dr Heena Jain 
Address  Cardiopulmonary Physiotherapy Lab, Mahatma Gandhi Physiotherapy College, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur  
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 
Dr Heena Jain  Mahatma Gandhi Hospital , Jaipur  Cardiopulmonary Lab, Department of Physiotherapy , Mahatma Gandhi College of Physiotherapy, MGUMST, RIICO Institutional Area, Sitapura, Jaipur, Ramchandpura, Rajasthan 302022 Jaipur RAJASTHAN
Jaipur
RAJASTHAN 
7740977276

heena@mgumst.org 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Mahatma Gandhi College and Hospital, MGUMST,Jaipur   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: I059||Rheumatic mitral valve disease, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Breath Stacking Technique  Patient will be positioned in a lying or long sitting position on the bed with continuous monitoring of hemodynamic parameters. 1. Before initiating the breath stacking technique, deep breathing exercise will be taught to patient, steps will be : Close your eyes Close your eyes to help focus on your attention on your breathing. Breathe in slowly through your nose Take a slow, deep breath in through your nose , focus on filling your lungs completely, allowing your abdomen to rise as you breath in , count to 4 as you inhale. Exhale slowly through your mouth Exhale slowly through your mouth letting the air out gently. Make a “whoosing” sound if you like. Count to 6 or 8 as you exhale. Repeat the process Repeat the breathing cycle for about 5 to 10 breaths per minute . Aim for focusing on deep relaxed breathing. 2. To initiate the Breath Stacking Technique, we will take the following steps :- Patient Position : Long sitting and comfortable position with relaxed shoulder , head and neck . Breath stack : Instruct patient to take a deep breath and 3-4 breath one over another till the fullness of chest experienced. Breath holding : Ask patient to hold the breath for a maximum 10 seconds. Expiration : and then expire by pursed lip breathing. Pause : There will be a gap of 15-30 seconds in each repetitions to allow relaxations. Repeat the process : 10 repetition of breath stacking technique 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  30.00 Year(s)
Age To  55.00 Year(s)
Gender  Both 
Details  Subjects who underwent mitral valve replacement surgery, in the hospital.
Only mechanical valve, specifically those used in mitral valve replacement surgery , will be
included .
Age will be ranging from 30 – 55 years old subjects of both sex.
Baseline pulmonary function (TV,IRV,IC) within interpretable limits as per American Thoracic
Society Guidelines.
Subjects that will be medically and clinically stable after surgery will be taken.
Subjects willing to participate in the study.
Subjects able to provide verbal and written consent.
Patients with reduced pulmonary function post surgery.
Subject must not have been on a ventilator for longer than 24 hour.
Patients should be conscious and oriented.  
 
ExclusionCriteria 
Details  Subjects who had develop hemodynamic complications (e.g. lung congestion , subjects on intra-
aortic balloon, pre-operative myocardial infarction).
Patients with cognitive impairment, reduced cardiac output, recent stroke, respiratory failure
Subjects who undergone major cardiac, pulmonary or abdominal surgery in the last three month.
Patients with physical limitations preventing assessment/exercises.
Patient with history of pulmonary disease or infection such as chronic obstructive pulmonary
disease (COPD) or tuberculosis (TB).
Patients with uncontrolled hypertension.
Patient with neurological / musculoskeletal disorders that could affect the functional capacity or
pulmonary function such as parkinsonism, ankylosing spondylitis, scoliosis etc.  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Volume oriented spirometer for pulmonary capacity specifically tidal volume (TV), inspiratory reserve volume (IRV) and
inspiratory capacity (IC).

Functional Difficulties questionnare (FDQ) for Daily life functional tasks. 
Pulmonary capacity specifically tidal volume (TV), inspiratory reserve volume (IRV) and
inspiratory capacity (IC) will be measured by volume oriented spirometer from POD 1 to POD 7

Daily Life Functional Tasks will be measured by Functional Difficulties questionnare (FDQ) on POD 1 and POD 7. 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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 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   The eligibility of the candidate will be taken on the basis of inclusion criteria .
30 patients will be taken which has undergone mitral valve replacement surgery. Breath Stacking Technique will be applied to see the impact on these outcome measures.

Outcome Measures 
Pulmonary capacity- specifically tidal volume (TV), inspiratory reserve volume(IRV) and inspiratory capacity(IC) by volume oriented spirometer . 
Functional difficulties questionnaire (FD-Q) for Daily Life Functional Tasks

Treatment Plan
Patient will be positioned in a lying / long sitting position on the bed with continuous monitoring of hemodynamic parameters. 
1. Before initiating the breath stacking technique, deep breathing exercise will be taught to patient, steps will be : 
Close your eyes : Close your eyes to help focus on your attention on your breathing.  Breathe in slowly through your nose : Take a slow, deep breath in through your nose , focus on filling your lungs completely, allowing your abdomen to rise as you breath in , count to 4 as you inhale. Exhale slowly through your mouth : Exhale slowly through your mouth letting the air out gently. Make a “whooshing” sound if you like. Count to 6 or 8 as you exhale. Repeat the process : Repeat the breathing cycle for about 5 to10 breaths per minute . Aim for focusing on deep relaxed breathing. 

 2. To initiate the Breath Stacking Technique, we will take the following steps :-  Patient Position : Long sitting and comfortable position with relaxed shoulder , head and neck .  Breath stack : Instruct patient to take a deep breath and 3-4 breath one over another till the fullness of chest experienced.  Breath holding : Ask patient to hold the breath for a maximum 10 seconds.  Expiration : and then expire by pursed lip breathing.  Pause : There will be a gap of 15-30 seconds in each repetitions to allow relaxations. Repeat the process : 10 repetition of breath stacking technique.
 
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