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    • Dark chocolate reduces endothelial dysfunction after successive breath-hold dives in cool waterPeer reviewedOpen access 

      16 septembre 2013, THEUNISSEN, Sigrid; Schumacker, Julie; Guerrero, François; Tillmans, Frauke; BOUTROS, Antoine; Lambrechts, Kate; Mazur, Alexandra; Pieri, Massimo; GERMONPRÉ, Peter; BALESTRA, Costantino, HE Bruxelles Brabant
      Article scientifique
      Objective: The aim of this study is to observe the effects of dark chocolate on endothelial function after a series of successive apnea dives in non-thermoneutral water. Methods: Twenty breath-hold divers were divided into two groups: a control group (8 males and 2 females) and a chocolate group (9 males and 1 female). The control group was asked to perform a series of dives to 20 m adding up to ...

    • A fully automated method for late ventricular diastole frame selection in post-dive echocardiography without ECG gatingPeer reviewedOpen access 

      02 mars 2021, Markley, Eric; Le, David; Germonpré, Peter; BALESTRA, Costantino; Tillmans, Frauke; Denoble, Petar; Freiberger, Jake; Moon, Richard; Dayton, Paul; Papadopoulou, Virginie, HE Bruxelles Brabant
      Article scientifique
      Venous gas emboli (VGE) are often quantified as a marker of decompression stress on echocardiograms. Bubble-counting has been proposed as an easy to learn method, but remains time-consuming, rendering large dataset analysis impractical. Computer automation of VGE counting following this method has therefore been suggested as a means to eliminate rater bias and save time. A necessary step for this ...

    • A fully automated method for late ventricular diastole frame selection in post-dive echocardiography without ECG gatingErPeer reviewedOpen access 

      02 mars 2021, Markley, Eric; Germonpré, Peter; BALESTRA, Costantino; Tillmans, Frauke; Denoble, Petar; Freiberger, Jake; Moon, Richard; Dayton, Paul; Papadopoulou, Virginie, HE Bruxelles Brabant
      Article scientifique
      Venous gas emboli (VGE) are often quantified as a marker of decompression stress on echocardiograms. Bubble-counting has been proposed as an easy to learn method, but remains time-consuming, rendering large dataset analysis impractical. Computer automation of VGE counting following this method has therefore been suggested as a means to eliminate rater bias and save time. A necessary step for this ...

    • Hyperoxia Alters Ultrastructure and Induces Apoptosis in Leukemia Cell LinesPeer reviewedOpen access 

      12 février 2020, De Bels, David; Tillmans, Frauke; Corazza, Francis; Bizzarri, Mariano; GERMONPRÉ, Peter; Radermacher, Peter; Keziban, Gunce-Orman; BALESTRA, Costantino, HE Bruxelles Brabant
      Article scientifique
      Oxygenation conditions are crucial for growth and tumor progression. Recent data suggests a decrease in cancer cell proliferation occurring after exposure to normobaric hyperoxia. Those changes are associated with fractal dimension. The purpose of this research was to study the impact of hyperoxia on apoptosis and morphology of leukemia cell lines. Two hematopoietic lymphoid cancer cell lines (a ...

    • Nitric oxide-related endothelial changes in breath-hold and scuba diversPeer reviewedClosed access 

      01 mars 2013, THEUNISSEN, Sigrid; Guerrero, François; Sponciello, Nicholas; Cialoni, Danilo; Pieri, Massimo; GERMONPRÉ, Peter; Obeid, Georges; Tillmans, Frauke; Papadopoulou, Virginie; HEMELRYCK, Walter; Marroni, Alessandro; De Bels, David; BALESTRA, Costantino, HE Bruxelles Brabant
      Article scientifique
      Objective: Scuba and breath-hold divers are compared to investigate whether endothelial response changes are similar despite different exposure(s) to hyperoxia. Design: 14 divers (nine scuba and five breath-holding) performed either one scuba dive (25m/25 minutes) or successive breath-hold dives at a depth of 20 meters, adding up to 25 minutes of immersion time in a diving pool. Flow-mediated ...