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CTRI Number  CTRI/2026/03/105477 [Registered on: 06/03/2026] Trial Registered Prospectively
Last Modified On: 05/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Effect of Pursed-lip breathing and breath stacking on oxygenation saturation,Breathing Rate, and Heart Rate in Patients after Hysterectomy. 
Scientific Title of Study   Effect of pursed lip breathing and breath stacking on physiological Parameters (Sp02, respiratory rate and heart rate) in post-hysterectomy patients 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Jayaraman G 
Designation  Assistant Professor 
Affiliation  Physiotherapy Department 
Address  Physiotherapy Department Punjabi University Patiala Punjab 147002 India

Patiala
PUNJAB
147002
India 
Phone  9914889469  
Fax    
Email  jayaraman_mpt@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jayaraman G 
Designation  Assistant Professor 
Affiliation  Physiotherapy Department 
Address  Physiotherapy Department Punjabi University Patiala Punjab 147002 India


PUNJAB
147002
India 
Phone  9914889469  
Fax    
Email  jayaraman_mpt@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Mehak 
Designation  Postgraduate Student 
Affiliation  Physiotherapy Department 
Address  Physiotherapy Department Punjabi University Patiala Punjab 147002 India

Patiala
PUNJAB
147002
India 
Phone  8219494595  
Fax    
Email  mehakt768@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Mehak 
Address  Physiotherapy Department Punjabi University Patiala Punjab 147002 India 
Type of Sponsor  Other [self] 
 
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 Jayaraman G  Manipal Hospital   Physiotherapy Department Punjabi University Patiala Punjab 147002 India
Patiala
PUNJAB 
9914889469

jayaraman_mpt@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N998||Other intraoperative and postprocedural complications and disorders of genitourinary system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Breath Stacking Technique  Participants will be positioned in a semi-Fowlers position for the intervention. Instructed to take 3–4 consecutive breaths without exhaling and hold the accumulated breaths as long as possible, followed by slow exhalation through pursed lips. This cycle will be repeated five times per set, with a total of five sets performed. A 30-second rest period will be provided between sets. The total duration of the intervention will be 15 minutes. 
Comparator Agent  Pursed-Lip Breathing Technique  Participants will be seated in a comfortable semi-Fowler’s position for the intervention. They will be instructed to inhale deeply through the nose for approximately 2 seconds, followed by slow exhalation through pursed lips for approximately 4 seconds while controlling airflow. This breathing cycle will be repeated five times per set, with a total of five sets performed. A 30-second rest period will be provided between sets. The total duration of the intervention will be 15 minutes. 
 
Inclusion Criteria  
Age From  30.00 Year(s)
Age To  60.00 Year(s)
Gender  Female 
Details  Patients who have undergone laparoscopic hysterectomy and are on Postoperative Day 1-Day 3
Patients with a Glasgow Coma Scale (GCS) score of 13 or above.
Patients who are oriented to time, place, and person. 
 
ExclusionCriteria 
Details  Patients with respiratory distress or acute chest pain.
Patients with chest deformities or previous abdominal surgeries.
Patients with chronic respiratory diseases such as COPD, asthma, tuberculosis, pneumonia,
or pleural effusion.
Hemodynamically unstable patients.
Patients with psychiatric disorders. 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Oxgenation Saturation,Respiratory Rate,Heart Rate,Blood Pressure.  Measured before and after the intervention in post-hysterectomy patients. 
 
Secondary Outcome  
Outcome  TimePoints 
Visual Analogue Scale (VAS)
Borg Scale 
Measured before & After the intervention. 
 
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)   16/03/2026 
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="0"
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   Laparoscopic hysterectomy is a minimally invasive surgery used to remove the uterus, often performed for conditions such as fibroids and abnormal uterine bleeding. Although the surgery involves small incisions, it is often associated with postoperative factors like anesthesia effects, pain, and reduced mobility. After the procedure, these factors can lead to shallow breathing and reduced lung expansion, which may cause lower oxygen levels. This increases the risk of postoperative complications such as atelectasis. Pursed-lip breathing and breath stacking help in maintaining airway pressure and improving oxygen exchange. Breath stacking maximizes lung expansion and improves ventilation. This study aims to investigate and compare the immediate effects of PLB and BS in patients following laparoscopic hysterectomy. Parameters such as respiratory rate, heart rate, and oxygen saturation will be measured before and after intervention. The goal is to identify which method produces better immediate improvement in oxygenation. 
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