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Heart Rate Variability During a Standard Dive: A Role for Inspired Oxygen Pressure?
13 août 2021, Lafère, Pierre; LAMBRECHTS, Kate; GERMONPRÉ, Peter; Balestra, Ambre; Germonpré, Faye-Lisa; Marroni, Alessandro; Cialoni, Danilo; Bosco, Gerardo; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: Heart rate variability (HRV) during underwater diving has been infrequently investigated because of environment limitations and technical challenges. This study aims to analyze HRV changes while diving at variable hyperoxia when using open circuit (OC) air diving apparatus or at constant hyperoxia using a closed-circuit rebreather (CCR). We used HRV analysis in time and frequency domain ...
Heart Rate Variability During a Standard Dive: A Role for Inspired Oxygen Pressure?
13 août 2021, Lafère, Pierre; LAMBRECHTS, Kate; GERMONPRÉ, Peter; BALESTRA, Ambre; Germonpré, Faye-Lisa; Marroni, Alessandro; Cialoni, Danilo; Bosco, Gerardo; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: Heart rate variability (HRV) during underwater diving has been infrequently investigated because of environment limitations and technical challenges. This study aims to analyze HRV changes while diving at variable hyperoxia when using open circuit (OC) air diving apparatus or at constant hyperoxia using a closed-circuit rebreather (CCR). We used HRV analysis in time and frequency domain ...
Feasibility of Detecting Brain Areas Involved in Extreme Breath-Hold Diving
20 janvier 2021, Jissendi-Tchofo, Patrice; Jdaoudi, Yassin; GERMONPRÉ, Peter; Brizzolari, Andrea; Musimu, Patrick; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
We report Blood Oxygen Level Dependent (BOLD) signal changes recorded in the brain of an elite breath-hold diver during voluntary dry long breath-hold by means of fMRI. An independent component analysis (ICA) method was applied to extract brain areas that are putatively involved in the apnea process network. We discuss the hypothesis that these BOLD signal variations express the functional adaptive ...
Evaluation of Protection Level, Respiratory Safety, and Practical Aspects of Commercially Available Snorkel Masks as Personal Protection Devices Against Aerosolized Contaminants and SARS-CoV2
15 juin 2020, GERMONPRÉ, Peter; Van Rompaeye, Dirk; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: The “Severe Acute Respiratory Syndrome Coronavirus 2” (SARS-CoV2) pandemic has led to a worldwide shortage of personal protection devices (PPD) for medical and paramedical personnel. Adaptation of commercially available snorkel masks to serve as full face masks has been proposed. Even not formally approved as PPD, they are publicized on social media as suitable for this use. Concerns ...
Hyperoxia Alters Ultrastructure and Induces Apoptosis in Leukemia Cell Lines
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
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 ...