The relationship between cardiorespiratory parameters during physical activity following cardiac surgery

Not Applicable

Completed

• Conditions: Coronary artery bypass graft; Cardiac valve replacement; Cardiac valve repair; Cardiovascular - Coronary heart disease

• Registration Number: ACTRN12619001351101
• Lead Sponsor: Annemarie Lee

Brief Summary

Forty-five participants completed the study. Heart rate and respiratory rate increased following mobilisation, while oxygen levels decreased. There was a significant increase in dyspnoea and perceived exertion with mobilisation. There was a moderate relationship between total SPPB score and SpO2 during mobilisation. Mobilisation following cardiac surgery increases exertion and dyspnoea and alters physiological parameters. Greater physical function is linked to maintaining a higher oxygen saturation during mobilisation.

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2019-10-01
• Study Completion: 2020-04-15
• Last Update Posted: 29 November 2021

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 47

Inclusion Criteria

Elective coronary artery bypass grafting or valve replacement or repair

Exclusion Criteria

Patients who have undergone elective or emergent cardiac surgery and who have an implanted pacemaker, chronic disturbances in heart rhythm prior to surgery, prolonged ICU stay for haemodynamic or respiratory instability or the inability to undertake exercise safety.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Cardiorespiratory parameter of respiratory rate. This will be recorded using the IntelliVue telemetry system to which the participant is connected while an inpatient on the ward. [Day 3 post cardiac surgery];Cardiorespiratory parameter of heart rate. This will be recorded using the IntelliVue telemetry system to which the participant is connected while an inpatient on the ward. [Day 3 post cardiac surgery];Cardiorespiratory parameter of oxygen saturation. This will be recorded using the IntelliVue telemetry system to which the participant is connected while an inpatient on the ward. [Day 3 post cardiac surgery]

Secondary Outcome Measures

Name	Time	Method
Measure of dyspnoea during exercise. This will be measured using the modified Borg dyspnoea scale by the participant's treating physiotherapist. [Day 3 post cardiac surgery];Results of the Short Physical Performance Battery test. This will be measured by the participants' treating physiotherapist and will include measures of walking speed over 4 metres, standing balance and lower limb strength tested by repetitive sit-to-stand activities[Day 3 post cardiac surgery];Measure of perceived exertion during exercise. This will be measured using the Borg rating of perceived exertion by the participant's treating physiotherapist. [Day 3 post cardiac surgery]