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Early detection of diving-related cognitive impairment of different nitrogen-oxygen gas mixtures
30 juin 2019, Lafère, Pierre; HEMELRYCK, Walter; GERMONPRÉ, Peter; Matity, Luba; Guerrero, François; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
NTRODUCTION: Cognitive impairment related to inert gas narcosis (IGN) is a threat to diving safety and operations at depth that might be reduced by using enriched air nitrox (EANx) mixtures. Using critical flicker fusion frequency (CFFF), a possible early detection of cognitive abilities/cerebral arousal impairment when breathing different oxygen (O2) fractions was investigated. METHODS: Eight male ...
Early Endothelial Dysfunction in Type 1 Diabetes Is Accompanied by an Impairment of Vascular Smooth Muscle Function: A Meta-Analysis
05 mai 2020, Lespagnol, Elodie; Dauchet, Luc; Pawlak-Chaouch, Mehdi; BALESTRA, Costantino; Berthoin, Serge; Feelish, Martin; Roustit, Mathieu; Boissiere, Julien; Fontaine, Pierre; Heyman, Elsa,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Background: A large yet heterogeneous body of literature exists suggesting that endothelial dysfunction appears early in type 1 diabetes, due to hyperglycemia-induced oxidative stress. The latter may also affect vascular smooth muscles (VSM) function, a layer albeit less frequently considered in that pathology. This meta-analysis aims at evaluating the extent, and the contributing risk factors, of ...
Editorial: Feelings of energy and fatigue: Two different moods
19 avril 2023, Boolani, Ali; Martin, Joel; D'acquisto, Fulvio; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Editorial: Physiological telemonitoring and interventional telemedicine in extreme environments
22 janvier 2024, BALESTRA, Costantino; Bosco, Gerardo; Cialoni, Danilo; Kot, Jacek; Pelliccia, Riccardo; Marroni, Alessandro,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Effect of a single, open-sea, air scuba dive on human micro- and macrovascular function
15 août 2013, LAMBRECHTS, Kate; Pontier, Jean-Michel; BALESTRA, Costantino; Mazur, Aleksandra; Wang, Qiong; Buzzacott, Peter; Theron, Michaël; Mansourati, Jacques; Guerrero, François,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Purpose: Previous studies have shown that bubble formation induced endothelial damage on conduit arteries. We aim to evaluate the effect of diving on microvascular and macrovascular function.
Methods: Nine divers took part in a SCUBA dive at 30 msw (400 kPa), for 30 min of bottom time. Pre- and post-dive, they underwent an assessment of endothelial-dependent (acetylcholine) and endothelial-independent ...
Effect Of Induced Relative Hypoxia On Reticulocyte Count In Oncologycal Abdominal Surgery: A Single-Centre, Controlled, Randomized Pilot Study.
04 avril 2018, Khalife, Maher; Wiams, Kathleen; Ben Aziz, M; BALESTRA, Costantino; Sosnowski, Maurice,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Erythropoietin (EPO) stimulating agents are known as alternatives to transfusion. However, they expose patients to thrombosis and are expensive. A phenomenon, “the normobaric oxygen paradox” (NOP), has been described. A transient hyperoxia followed by a prolonged return to normoxia acts as an effective trigger for EPO production. The mechanism depends on free O2 radicals and on reduced gluthatione ...
Effect of SCUBA Diving on Ophthalmic Parameters
09 mars 2022, Deleu, Laurent; Catherine, Janet; Postelmans, Laurence; BALESTRA, Costantino,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Background and Objective: Several cases of central serous chorioretinopathy (CSC) in divers have been reported in our medical retina center over the past few years. This study was designed to evaluate possible changes induced by SCUBA diving in ophthalmic parameters and especially subfoveal choroidal thickness (SFCT), since the choroid seems to play a crucial role in physiopathology of CSC. Materials ...
Effect of tetrahydrobiopterin and exercise training on endothelium-dependent vasorelaxation in SHR
02 juin 2013, Guerrero, François; Sanéo, Thioub; Goanvec, Christelle; THEUNISSEN, Sigrid; Feray, Annie; BALESTRA, Costantino; Mansourati, Jacques,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
We examined whether the improvement of impaired NO-dependent vasorelaxation by exercise training could be mediated through a BH4-dependent mechanism. Male spontaneously hypertensive rats (SHR, n = 20) and Wistar-Kyoto rats (WKY, n = 20) were trained (Tr) for 9 weeks on a treadmill and compared to age-matched sedentary animals (Sed). Endothelium-dependent vasorelaxation (EDV) was assessed with ...
Effects of Acute Hypobaric Hypoxia Exposure on Cardiovascular Function in Unacclimatized Healthy Subjects: A "Rapid Ascent" Hypobaric Chamber Study
28 avril 2022, THEUNISSEN, Sigrid; BALESTRA, Costantino; Bolognési, Sébastien; Borgers, Guy; Vissenaeken, Dirk; Obeid, Georges; Germonpré, Peter; Honoré, Patrick M.; De Bels, David,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Background: This study aimed to observe the effects of a fast acute ascent to simulated high altitudes on cardiovascular function both in the main arteries and in peripheral circulation. Methods: We examined 17 healthy volunteers, between 18 and 50 years old, at sea level, at 3842 m of hypobaric hypoxia and after return to sea level. Cardiac output (CO) was measured with Doppler transthoracic ...
Effects of Electrical Stimulation on Delayed Onset Muscle Soreness (DOMS): Evidences from Laboratory and In-Field Studies
12 septembre 2023, Gussoni, Maristella; Moretti, Sarah; Vezzoli, Alessandra; Genitoni, Valerio; Giardini, Guido; BALESTRA, Costantino; Bosco, Gerardo; Pratali, Lorenza; Spagnolo, Elisabetta; Montorsi, Michela; Mrakic-Sposta, Simona,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Intense, long exercise can increase oxidative stress, leading to higher levels of inflammatory
mediators and muscle damage. At the same time, fatigue has been suggested as one of the factors
giving rise to delayed-onset muscle soreness (DOMS). The aim of this study was to investigate the
efficacy of a specific electrical stimulation (ES) treatment (without elicited muscular contraction) on
two ...