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Impact of heavy load activity on cardiovascular system: echocardiographic assessment of informal construction workers heart in Cameroon.

par Nde, Francis;Nebo, Jules;Ngatchou Djomo, William ;Tachatchoua, Carine;Mouelle Sone, Albert;De Brouwer, Christophe
Référence The Pan African medical journal, 17, page (79)
Publication Publié, 2014-01-31

Article révisé par les pairs

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Résumé :

Introduction: Physiological cardiac hypertrophy and dilation are common findings in heavy physical load activity. We carried out this study to investigate the relationship between construction work and cardiac parameters adaptations, by comparing healthy masons to office workers on heart ultrasound. Methods: The study was carried out on, 50 construction workers and 50 office workers matched for their weight, height and age. Systolic and Diastolic blood pressures, Left Ventricular diameter and thickness, Septum wall thickness and Left ventricular mass index were measured and calculated Results: Heart rate, systolic and diastolic blood pressures were lower in construction workers, as compared to office workers: respectively 63±7 bpm vs. 75±6 bpm (p=0.000); 120.1±7 mmHg vs. 130.5±9 mmHg (p=0.000) and 68.5±7 mmHg vs. 77.0 ±9 mmHg (p=0.000). Construction workers had a thicker septum and posterior wall: respectively 10.3 ± 1.1 mm vs. 8.9 ± 0.9 mm (p=0.000); and 9.0 ± 1.2 mm vs. 8.1 ± 0.8 mm (p=0.000). Conclusion: Conclusion We deducted that heavy load work has an impact on the heart mensuration. The past occupational history has to be taken into consideration during initial medical assessing of a worker in for a new job so as to avoid erroneous conclusions.