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Specific diving training-induced arterial circulation changes
  1. Yoann GOLE (goleyoann{at}
  1. Institut de Médecine Navale du Service de Santé des Armées (I.M.N.S.S.A.), France
    1. Pierre LOUGE
    1. Ecole Militaire de Saint Mandrier, France, France
      1. Alain BOUSSUGES
      1. EA 3280, Université de la méditerranée, France


        Objective: Several stressors such as cold water immersion, hyperoxic exposure and decompression-induced circulating bubbles can alter arterial circulation after a dive. The aim of this study was to investigate the arterial modifications induced by a specific diving training including repeated hyperbaric exposures and physical training. Method: Arterial pressure measurement and Pulse wave velocity (PWV) recordings were performed in 12 student military divers before and after 15 week training. The results were compared with the same investigations performed in 12 non-diver healthy subjects. Results: A decrease in Systolic blood pressure and pulse pressure was observed at both upper and lower limbs in student military divers after the training. Non significant decreases in both Carotido-femoral PWV and Carotido-pedal PWV were found after the training. When the Pulse Time Transit was divided by the RR intervals, a significant increase was observed between the carotid and femoral sensors. On the other hand, some differences were noticed between military divers and controls. Controls and divers were matched appropriately according to age and height, although the divers had a higher aerobic capacity as well as lower resting heart rate and lower pulse wave velocity. Conclusion: In trained military subjects, a training including repeated diving exposures and endurance exercises leads to vascular modifications suggesting an increase in central arterial compliance. There was no sign of arterial alteration induced by repeated diving exposures.

        • Arterial compliance
        • Blood pressure
        • Endurance training
        • Pulse Wave Velocity

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