What is the prevalence of inspiratory muscle weakness in preoperative cardiac surgery patients? An observational study

•Prior to elective cardiac surgery, 25% of patients had inspiratory muscle weakness.•Post operative pulmonary complications were associated with BMI (r = 0.46, p = 0.02).•BMI may be an important predictor of complications following cardiac surgery. In patients undergoing elective cardiac surgery, th...

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Veröffentlicht in:Heart & lung 2020-11, Vol.49 (6), p.909-914
Hauptverfasser: D'Arx, Ashleigh, Freene, Nicole, Bowen, Sarah, Bissaker, Peter, McKay, Glenn, Bissett, Bernie
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container_end_page 914
container_issue 6
container_start_page 909
container_title Heart & lung
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creator D'Arx, Ashleigh
Freene, Nicole
Bowen, Sarah
Bissaker, Peter
McKay, Glenn
Bissett, Bernie
description •Prior to elective cardiac surgery, 25% of patients had inspiratory muscle weakness.•Post operative pulmonary complications were associated with BMI (r = 0.46, p = 0.02).•BMI may be an important predictor of complications following cardiac surgery. In patients undergoing elective cardiac surgery, the prevalence of inspiratory muscle weakness is not well-understood. This information could guide pre-operative therapy. To determine the prevalence of inspiratory muscle weakness in preoperative cardiac surgery patients, and describe relationships between pre-operative factors (including maximal inspiratory pressure, MIP) and post-operative pulmonary complications (PPCs). Prospective study of elective cardiac surgery patients. Pre-operative MIP was measured (cmH2O) and PPC data were extracted from medical records (Melbourne Group Score) while age, height, weight, frailty and physical activity levels were captured via questionnaire. Backwards-stepwise logistic regression was used to describe associations. 24 participants were recruited (79% male, age 70 ± 10.7, BMI 26.8 ± 4.14). The prevalence of inspiratory muscle weakness (MIP < 60% predicted) was 25% (n = 6). PPCs were associated with body mass index (BMI) (r = 0.464, p = 0.022). The prevalence of pre-operative inspiratory muscle weakness was 25%. BMI may be an important determinant of PPCs in elective cardiac surgery patients.
doi_str_mv 10.1016/j.hrtlng.2020.06.012
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To determine the prevalence of inspiratory muscle weakness in preoperative cardiac surgery patients, and describe relationships between pre-operative factors (including maximal inspiratory pressure, MIP) and post-operative pulmonary complications (PPCs). Prospective study of elective cardiac surgery patients. Pre-operative MIP was measured (cmH2O) and PPC data were extracted from medical records (Melbourne Group Score) while age, height, weight, frailty and physical activity levels were captured via questionnaire. Backwards-stepwise logistic regression was used to describe associations. 24 participants were recruited (79% male, age 70 ± 10.7, BMI 26.8 ± 4.14). The prevalence of inspiratory muscle weakness (MIP &lt; 60% predicted) was 25% (n = 6). PPCs were associated with body mass index (BMI) (r = 0.464, p = 0.022). The prevalence of pre-operative inspiratory muscle weakness was 25%. 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Pre-operative MIP was measured (cmH2O) and PPC data were extracted from medical records (Melbourne Group Score) while age, height, weight, frailty and physical activity levels were captured via questionnaire. Backwards-stepwise logistic regression was used to describe associations. 24 participants were recruited (79% male, age 70 ± 10.7, BMI 26.8 ± 4.14). The prevalence of inspiratory muscle weakness (MIP &lt; 60% predicted) was 25% (n = 6). PPCs were associated with body mass index (BMI) (r = 0.464, p = 0.022). The prevalence of pre-operative inspiratory muscle weakness was 25%. 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subjects Aged
Aged, 80 and over
Cardiac Surgical Procedures - adverse effects
Coronary artery bypass
Exercise
Female
Humans
Male
Middle Aged
Muscle Weakness - epidemiology
Muscle Weakness - etiology
Physiotherapy (techniques)
Prevalence
Prospective Studies
Respiratory Muscles
title What is the prevalence of inspiratory muscle weakness in preoperative cardiac surgery patients? An observational study
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