Abstract
Objective: To assess the dose response relationship of incentive spirometer on lung compliance among postcoronary artery bypass grafting (CABG) patients. Methodology: This Quasi Experimental study was conducted at Begum Akhtar Memorial Hospital, Bahria, Islamabad and included 45 patients. Nonprobability purposive sampling technique was used. Via PEFR meter Peak Expiratory Flow was taken and with IS Forced Expiratory Volume in 1 minute and Forced Vital Capacity were measured. Incentive Spirometer was performed. Results: Pre and post session PEFR, FEV1 and FVC of Groups A, B and C showed that p-values of PrePost 1st session, Pre-post 2nd session were not statistically significant. Conclusion: Incentive Spirometer although can be clinically effective, but further studies are needed to quantify specific dosage of IS. Keywords: Incentive spirometer, coronary artery bypass grafting (CABG), dose response relationship.

Madiha Ashfaq, Furqan Ahmed Siddiqi, Muhammad Iqbal Tariq, Muhammad Saqeef, Hina Shafi, Sana Bashir. (2022) Dose response relationship of incentive spirometer on lung compliance in postcoronary artery bypass grafting patients, , Volume 47, Issue 1.
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