Comparison of the effects of different types of positive expiratory pressure (PEP) breathing exercises with conventional breathing exercises in patients undergoing coronary artery bypass graft (CABG) surgery in Sri Lanka

Not Applicable

Conditions: Post operative respiratory complications after CABG surgery

Registration Number: SLCTR/2018/006

Lead Sponsor: niversity of Colombo

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: Not specified

Inclusion Criteria

Male and female patients between 40 to 70 years of age awaiting CABG surgery at NHS

Exclusion Criteria

Exclusion criteria at point of recruitment

1. Other cardiovascular surgical procedure other than CABG Had a myocardial infarction within the past five days

2. Unstable angina

3. Patients with previous open heart surgery

4. Patients with hemodynamic instability –Blood pressure (BP) less than 110-70 mmHg, Heart rate 100-60, sinus rhythm

5. Uncooperative patients

6. Inability to consent or understand

7. Cognitive impairment

8. Diagnosed with cerebrovascular, orthopedic, neurologic, or cognitive-emotive disorders that would prevent the completion of the pre-surgical test items

9. Patients with COPD and any respiratory conditions

10. Any contraindication to use of PEP therapy e.g. severe haemoptysis, pneumothorax

Exclusion criteria at point of analysis

11. ICU time > 72 hours

12. Depend on mechanical ventilator for more than 24 hours

13. Need balloon pump more than 24 hours

14. Need ionotropic support more than 3 days

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Improvement of post-operative pulmonary function over baseline as determined by <br><br>1. Forced vital capacity (FVC)<br><br>2. Forced expiratory volume in 1st second(FEV1)<br> 3. Vital Capacity (VC) <br> [All primary outcomes will be measured<br><br>1. Three days before surgery- baseline data<br><br>2. One week after surgery<br><br>3. One month after surgery<br><br>4. Three months after surgery<br><br>5. Six months after surgery<br>]<br>

Secondary Outcome Measures

Name	Time	Method
1. improvement of arterial oxygen saturation (SpO2) over baseline using pulse oximeter<br><br>2. Improvement of hand grip strength (kg) over baseline using the Jammar hand held dynamometer<br><br>3. Postoperative sternotomy incision pain using a 10 point numerical scale <br><br>4. Quality of life using the SF36 questionnaire<br>5. Assessment of exercise capacity using the 6 minute walk test<br> [All secondary outcomes will be measured<br><br>1. Three days before surgery- baseline data<br><br>2. One week after surgery<br><br>3. One month after surgery<br><br>4. Three months after surgery<br><br>5. Six months after surgery<br>]<br>