Related Experiment Video
Updated: Apr 7, 2026

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
Spirometric values and chest pain intensity three days post-operative coronary artery bypass graft surgery
Kholoud D AlOtaibi1, Salwa B El-Sobkey2
1College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia.
Insights
Chest pain reduction after coronary artery bypass graft surgery (CABG) did not correlate with improved lung function. Spirometric values improved independently of chest pain intensity in the three days post-surgery.
Area of Science:
- Cardiology
- Pulmonary Medicine
- Surgical Outcomes
Background:
- Coronary artery bypass graft surgery (CABG) is associated with postoperative ventilatory complications and reduced spirometric values.
- Postoperative chest pain is a significant factor affecting patient recovery and respiratory function after CABG.
Purpose of the Study:
- To investigate the relationship between reduced postoperative chest pain intensity and improved spirometric values in patients undergoing CABG.
- To test the hypothesis that pain management directly impacts pulmonary function recovery post-CABG.
Main Methods:
- A study involving 26 eligible cardiac patients who underwent elective CABG.
- Measurement of spirometric values and chest pain intensity (0-10 numeric rating scale) for three days post-surgery.
- Statistical analysis of collected data to determine correlations.
Main Results:
- Chest pain intensity significantly decreased over the three postoperative days (P=0.0001).
- Spirometric values showed progressive improvement, except for the FEV1/FVC ratio (P=0.134).
- No significant relationship was found between chest pain intensity and any spirometric values at any measurement point.
Conclusions:
- The study rejected the hypothesis that reduced chest pain intensity is associated with improved spirometric values after CABG.
- Postoperative chest pain reduction and spirometric improvements appear to be independent processes following CABG surgery.
Aim:
Coronary artery bypass graft surgery (CABG) is proved to have ventilatory complications and reduction in spirometric values. This study aimed to examine the hypothesis that reduction of post-operative chest pain intensity would be associated with improvement in the spirometric values for patient underwent CABG.
Materials And Method:
26 cardiac patients recruited for this study. Their convenience to the study inclusion criteria decided their eligibility. Through 3 days after elective CABG their spirometric values were measured along with their perception to chest pain intensity using 0-10 numeric rating scale. Collected data were recorded and analyzed statistically.
Results:
Chest pain intensity showed progressive significant (P = 0.0001) reduction through the 3 days post-operative. On the other hand spirometric values also showed progressive improvement through the 3 days post-operative. This improvement was significant for all measured spirometric values except for the ratio of forced expiratory volume in the 1st second to the forced vital capacity (P = 0.134). There was no significant relationship between the chest pain intensity and spirometric values. This was applied to all measured spirometric values and to the 3 days postoperative.
Conclusion:
The current study findings rejected the examined hypothesis that reduction of post-operative chest pain intensity would be associated with improvement in the spirometric values for patient underwent coronary artery bypass graft surgery. There was no significant relationship between the chest pain intensity and any of the spirometric values at any of the 3 post-operative days.
Related Concept Videos
Angina III: Clinical Manifestations and Assessment
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
Acute Coronary Syndrome III: Diagnostic Studies
Pneumothorax-II
Clinical Manifestations:
Chronic Obstructive Pulmonary Disease-I: Introduction

