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Acute hemodynamic and electrocardiographic responses to a session of inspiratory muscle training in cardiopulmonary rehabilitation.

Abstract：

BACKGROUND:Inspiratory muscle training (IMT) has been shown to generate significant benefits in different clinical conditions; however, there is scarce information regarding acute clinical and hemodynamic effects. AIM:The aim of this study was to evaluate clinical, hemodynamic and electrocardiographic responses during a single short IMT session in patients enrolled in cardiopulmonary rehabilitation program (CRP). DESIGN:Cross-sectional study. SETTING:Patients referred and regularly attending a non-hospital based medically-supervised exercise program. POPULATION:One hundred and sixty patients patients who regularly performed inspiratory muscle training METHODS:A convenience sample of 21 elderly patients (16 men; 60-87 years of age) had an ECG continuously recorded and heart rate (HR) and blood pressure (BP) measured before, during and one-minute after a single IMT session - two sets of 15 cycles with one-minute interval. RESULTS:Comparing values obtained before, during second set and one-minute after IMT, no differences were found to HR (bpm) - 68±2 vs. 70±2 vs. 66±3 (P=0.05) and in systolic and diastolic BP (mm Hg) values, respectively, - 105±3 vs. 111±4 vs. 108±3 (P=0.06) and - 68±2 vs. 72±3 vs. 68±2 (P=0.14); (before, during second set and one-minute after TMI). During IMT, seven (33%) of patients presented minor cardiac arrhythmias, most of them isolated premature ventricular contractions. Additionally, no abnormal signs or symptoms were found. CONCLUSION:Apart of minor and clinically irrelevant ECG abnormalities seen in 1/3 of the patients, a short IMT session did not induce significant hemodynamic responses or relevant clinical abnormalities. Based on these results, for elderly patients involved in CPR, IMT seems to be clinically safe and continuous ECG monitoring did not seem to add significant or relevant information. CLINICAL REHABILITATION IMPACT:For elderly patients participating in CPR, short IMT sessions do not induce major hemodynamic responses and seem to be clinically safe. This is potentially useful information if IMT is to be prescribed in home-based programs.

journal_name

Eur J Phys Rehabil Med

journal_title

European journal of physical and rehabilitation medicine

authors

Ramos PS,Da Costa Da Silva B,Gomes Da Silva LO,Araújo CG

subject

Has Abstract

pub_date

2015-12-01 00:00:00

pages

773-9

issue

eissn

1973-9087

issn

1973-9095

pii

R33Y9999N00A150013

journal_volume

pub_type

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Acute hemodynamic and electrocardiographic responses to a session of inspiratory muscle training in cardiopulmonary rehabilitation.