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CLEAR FILTERS
Cardiorespiratory adaptations in elite feminine canoists
Session:
CO6 - Imagiologia Cardiovascular
Speaker:
Joaquim Castanheira
Congress:
CPC 2019
Topic:
B. Imaging
Theme:
03. Imaging
Subtheme:
03.1 Echocardiography
Session Type:
Comunicações Orais
FP Number:
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Authors:
Joaquim Castanheira; Liliana Resende; Telmo Pereira; Alexandra André; Paula Martins
Abstract
<p><strong>Introduction: </strong>Canoeing is one of the most physically demanding sports given that its training involves both high intensity isometric and isotonic components. Thus, the development of cardiovascular and respiratory morphological and/or functional adaptations are expected, and potentially inter-related.</p> <p><strong>Objective: </strong>To evaluate and correlate heart adaptations, evaluated by echocardiography, and respiratory function in elite canoeists.</p> <p><strong>Methods: </strong>Cross-sectional study including 11 female elite athletes (official Portuguese Canoe Team), with age ranging from 18 to 30 years. Echocardiogram, respiratory function tests and echography evaluation of diaphragmatic mobility and thickness were performed to all athletes at the same day. </p> <p><strong>Results: </strong>Significant positive correlations were found between the tricuspid valve E velocity and both the tidal volume (r=0.782, p=0.004) and the forced vital capacity (r=0.778, p=0.005). Conversely, significant negative correlations were observed between tricuspid ring E' wave velocity and both peak expiratory flow (r=-0.632; p=0.037) and peak expiratory flow at 75% of vital capacity (r=-0.614, p=0.044). No statistically significant associations were found between diaphragmatic movements and respiratory function parameters, except for the correlation between the peak expiratory volume at 1 second and the diaphragmatic excursion during inspiration (r=0.738; p=0.009). Regarding the available reference values, there was also an increase in the thickness of the left ventricle walls as well as of the mobilized lung volumes.</p> <p><strong>Conclusion: </strong>The intensive and prolonged training in elite female canoeist is associated with cardiac and respiratory adaptations. Also, respiratory dynamics appears to be closely linked to right ventricular diastolic filling.</p>
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