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Full-Face Mask Use during SCUBA Diving Counters Related Oxidative Stress and Endothelial Dysfunction![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
15 janvier 2022, Levenez, Morgan; LAMBRECHTS, Kate; Mrakic-Sposta, Simona; Vezzoli, Alessandra; Germonpré, Peter; Pique, Hadrien; Virgili, Fabi; Bosco, Gerardo; Lafere, Pierre; BALESTRA, Costantino
,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Impaired flow mediated dilation (FMD), an index of vascular stress, is known after SCUBA diving. This is related to a dysfunction of nitric oxide (NO) availability and a disturbance of the redox status, possibly induced by hyperoxic/hyperbaric gas breathing. SCUBA diving is usually performed with a mask only covering "half face" (HF) and therefore forcing oral breathing. Nasal NO production is ...
Heart Rate Variability During a Standard Dive: A Role for Inspired Oxygen Pressure?![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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?![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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 ...
Increasing Oxygen Partial Pressures Induce a Distinct Transcriptional Response in Human PBMC: A Pilot Study on the “Normobaric Oxygen Paradox”![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
05 janvier 2021, Fratantonio, Deborah; Virgili, Fabio; Zucchi, Alessandro; LAMBRECHTS, Kate; Latronico, Tiziana; Lafère, Pierre; Germonpré, Pierre; BALESTRA, Costantino
,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
The term "normobaric oxygen paradox" (NOP), describes the response to the return to normoxia after a hyperoxic event, sensed by tissues as oxygen shortage, and resulting in up-regulation of the Hypoxia-inducible factor 1alpha (HIF-1alpha) transcription factor activity. The molecular characteristics of this response have not been yet fully characterized. Herein, we report the activation time trend ...
Endothelial function may be enhanced in the cutaneous microcirculation after a single air dive![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
30 septembre 2020, Guerrero, François; LAMBRECHTS, Kate; Wang, Qiong; Mazur, Aleksandra; Marroni, Alessandro,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: The effects of scuba diving on the vessel wall have been studied mainly at the level of large conduit arteries. Data regarding the microcirculation are scarce and indicate that these two vascular beds are affected differently by diving.
Methods: We assessed the changes in cutaneous microcirculation before an air scuba dive, then 30 min and 24 h after surfacing. Endothelium-dependent ...