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Literatura académica sobre el tema "Adaptation (physiologie) – Chez le nouveau-né"
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Artículos de revistas sobre el tema "Adaptation (physiologie) – Chez le nouveau-né"
DEVILLERS, N., J. LE DIVIDICH y A. PRUNIER. "Physiologie de la production de colostrum chez la truie". INRAE Productions Animales 19, n.º 1 (12 de marzo de 2006): 29–38. http://dx.doi.org/10.20870/productions-animales.2006.19.1.3478.
Texto completoQuintana, Carmen. "Une interprétation comportementale de la marche automatique chez le nourrisson". ACTA COMPORTAMENTALIA 15, n.º 2 (1 de diciembre de 2007): 191–206. http://dx.doi.org/10.32870/ac.v15i2.14520.
Texto completoGold, F., E. Saliba, V. Biran-Mucignat y D. Mitanchez-Mokhtari. "Physiologie du fœtus et du nouveau-né. Adaptation à la vie extra-utérine". EMC - Pédiatrie - Maladies infectieuses 2, n.º 4 (enero de 2007): 1–20. http://dx.doi.org/10.1016/s1637-5017(07)72385-2.
Texto completoSaliba, E., E. Lopez, L. Storme, P. Tourneux y G. Favrais. "Physiologie du fœtus et du nouveau-né – adaptation à la vie extra-utérine". EMC - Pédiatrie - Maladies infectieuses 38, n.º 1 (2018): 1–29. https://doi.org/10.1016/s1637-5017(17)69212-3.
Texto completoLaney, M., E. Pussard, J. Perrot, L. Atger-Lallier, P. Kamenický, M. Lombès, S. Viengchareun y L. Martinerie. "La prostasine : un nouveau biomarqueur de la réabsorption hydrosodée chez le nouveau-né en physiologie et physiopathologie ?" Annales d'Endocrinologie 84, n.º 5 (octubre de 2023): 534. http://dx.doi.org/10.1016/j.ando.2023.07.085.
Texto completoSchauf, C. L. "Hommage à Edward Alexander Sellers, M.D., Ph.D." Canadian Journal of Physiology and Pharmacology 65, n.º 6 (1 de junio de 1987): 1241. http://dx.doi.org/10.1139/y87-197.
Texto completoNYS, Y. "Préface". INRAE Productions Animales 23, n.º 2 (10 de abril de 2011): 107–10. http://dx.doi.org/10.20870/productions-animales.2010.23.2.3292.
Texto completoTesis sobre el tema "Adaptation (physiologie) – Chez le nouveau-né"
Le, Duc Kévin. "Physiologie des échanges gazeux et de l'hémodynamique transplacentaire lors d'une réanimation à cordon intact : modèle expérimental d'agneau porteur de hernie diaphragmatique". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS079.
Texto completoBirth is a critical period during which numerous mechanisms are engaged to enable the transition from fetal to extrauterine life. Each year, due to poor adaptation to this transition and the persistence of elevated pulmonary vascular resistance, 1 million newborns die within the first 24 hours of life. Ten percent of newborns require medical assistance in the delivery room. Delayed umbilical cord clamping, between 60 and 180 seconds after birth, is now recommended in all situations where the newborn, whether full-term or premature, adapts well to the new environment. This practice notably reduces the risk of iron deficiency anemia in the first months of life.Congenital diaphragmatic hernia (CDH) is a cardiopulmonary malformation caused by a defect in the closure of the diaphragm, leading to high mortality and impairing adaptation to extrauterine life. In delivery room resuscitation scenarios, the lack of physiological and clinical data has not yet allowed for the recommendation of maintaining feto-placental circulation alongside the initiation of resuscitation.In this thesis, we hypothesize that the placenta could contribute to oxygenation and decarboxylation of the newborn until the cardio-pulmonary circulation is established. The aim of this work is to study the physiology of hemodynamics and transplacental gas exchange during intact cord resuscitation (ICR) in a healthy lamb model and in a lamb model with CDH. The specific objectives were: (1) to present the clinical study “CHIC” evaluating the impact of ICR in newborns with CDH; (2) to establish an experimental lamb model of congenital diaphragmatic hernia; (3) to explore the feasibility and maximum duration of intact cord resuscitation in this model; and (4) to study the evolution of hemodynamics and transplacental gas exchange during ICR in both healthy and CDH lamb models.We demonstrated that feto-placental hemodynamics (umbilical venous flow, transplacental vascular resistance) remained stable up to one hour after the initiation of ICR. In the lamb model with diaphragmatic hernia, where the pulmonary exchange system cannot adequately increase arterial partial oxygen pressure (PaO2), the placenta provided sufficient oxygenation and decarboxylation throughout the resuscitation, with stable placental oxygen delivery for one hour (2.7 [2.2-3.3] ml/kg/min). Conversely, in the physiological model, maintaining placental circulation was associated with a 20% decrease in systemic arterial pressure compared to the CDH group (p<0.05). The increase in PaO2 in this group was associated with a decrease in placental oxygen delivery. Cord clamping in this group led to an increase in PaO2 and a decrease in carbon dioxide levels. These findings provide an essential physiological basis for the practice of intact cord resuscitation and highlight the importance of individualized resuscitation strategies based on specific clinical conditions
Bertrand, Sandrine. "Contrôle de la décharge des motoneurones durant la locomotion in-vitro chez le rat nouveau-né : facteurs pré- et postsynaptiques". Aix-Marseille 3, 1998. http://www.theses.fr/1998AIX30106.
Texto completoBernier, Anne. "Effets d'une pression positive continue nasale sur la sécurité, l'efficacité et la physiologie de l'alimentation orale chez l'agneau nouveau-né". Mémoire, Université de Sherbrooke, 2012. http://hdl.handle.net/11143/6273.
Texto completoChauty-Frondas, Anne. "Effet du sexe de l'enfant sur la croissance néonatale, la composition corporelle et le développement psychomoteur à long terme chez le nouveau-né prématuré". Nantes, 2013. https://archive.bu.univ-nantes.fr/pollux/show/show?id=1db43aa3-0b55-4205-ace3-227a441e5f66.
Texto completoOver the last decade, Neonatology units have been confronted with a steep rise in the incidence of preterm birth. Ideally, an optimal nutritional management of preterm infants should ensure a growth pattern identical to that observed in utero during the last trimester of gestation. Extra-uterine growth restriction, however, still commonly occurs, and impacts long term neurological outcome. Although weight bas long been used as the sole parameter to assess growth, the determination of body composition may help in improving nutritional strategies. We used neonatal piglet as a suitable live animal model to validate air displacement plethysmography (ADP) as a reliable method to assess body composition in preterm infants. We showed that ADP allows for a large-scale, reliable, and precise assessment of variations in body composition. Using that method, we showed that at the time of hospital discharge, the body composition of preterm infants differs from that of term infants, with an excess of fat mass due to insufficient accretion of lean body mass in preterm infants. Such effect was predominantly observed in boys, who have long been known to be more sensitive to neonatal events. Finally, we observed that, in male premature infants, extra-uterine growth restriction was associated with a higher risk of suboptimal neurodevelopment at 2 years of age. Taken together, our findings suggest that intensified protocols of nutritional management should improve the long term outcome of premature infants, particularly in boys
Doriat, Jean-François. "Adaptation fonctionnelle cérébrale et plasticité des récepteurs à la suite de convulsions expérimentales chez le rat au cours du développement". Nancy 1, 1998. http://www.theses.fr/1998NAN10353.
Texto completoEmeriaud, Guillaume. "Variations de la capacité résiduelle fonctionnelle chez le prématuré. Interactions avec la ventilation assistée". Phd thesis, Grenoble 1, 2008. http://www.theses.fr/2008GRE10110.
Texto completoFunctional residual capacity (FRC), the lung volume at the end of a normal expiration, is a key parameter in gas exchanges. In infants, FRC is actively maintained by different mechanisms, as opposed to the passive equilibrium observed in adults. In the present work, we tried to increase the understanding of FRC regulation. We first established a method to quantify diaphragm electrical activity during expiration. We then confirm the persistence of tonic diaphragmatic activity until the end of expiration in intubated infants. This tonic activity rises in absence of positive expiratory pressure, suggesting a role in FRC control. Secondly, we have adapted a respiratory inductive plethysmographic method for its use in infants, even in presence of thoraco-abdominal asynchrony or ventilatory assist. Using this method, we have shown that in premature infants, FRC variability is high, non-random, and contains significant autocorrelation. In patients with respiratory distress, a different variability pattern was observed, with a higher and prolonged autocorrelation. This pattern suggests that FRC returns to baseline more slowly after a perturbation in these patients. In patients under assisted ventilation, autocorrelation was even higher and more prolonged. Characterization of FRC variability, which probably reflects the degrees of freedom of the regulation system, and tonic diaphragmatic activity quantification, which probably illustrates the infant’s efforts to maintain the FRC level, will probably help us better understand the FRC regulation in infants in different clinical conditions, and to improve the respiratory management of these patients
Emeriaud, Guillaume. "Variations de la capacité résiduelle fonctionnelle chez le prématuré. Interactions avec la ventilation assistée". Phd thesis, Université Joseph Fourier (Grenoble), 2008. http://tel.archives-ouvertes.fr/tel-00338412.
Texto completoLa caractérisation de la variabilité de la CRF, reflet du degré de liberté du système de contrôle, et la mesure de l'activité tonique du diaphragme, reflet des efforts du nourrisson pour augmenter la CRF, devraient permettre d'améliorer encore la compréhension de la régulation de la CRF, et d'améliorer la prise en charge ventilatoire de ces patients.
Husson, Annie. "Contrôle multi-hormonal des enzymes cytosoliques du cycle de l'urée pendant la période périnatale chez le rat". Rouen, 1986. http://www.theses.fr/1986ROUES024.
Texto completoDesmarais, Marie-Josée. "Influence de la mécanoréception faciale sur les comportements moteurs chez l’opossum nouveau-né, Monodelphis domestica". Thèse, 2015. http://hdl.handle.net/1866/12582.
Texto completoThe opossum, Monodelphis domestica, is born very immature but crawls, unaided, with its forelimbs (FL) from the mother's birth canal to a nipple where it attaches to pursue its development. Sensory clues are needed to guide the newborn to the nipple and trigger its attachment to it. We postulated that the trigeminal system, responsible for sensory innervation of the face, is involved. Indeed, light pressure applied on the snout evokes FL movements in vivo, low intensity electrical stimulation of the trigeminal ganglion induces motor responses of the FL in vitro, and trigeminal fibers is distributed in the facial dermis and basal epidermis of the newborn. Also, slowly adapting mechanosensory receptors Merkel cells (AM1-43 positive) are present in the face epidermis. To determine if Merkel cells exert an influence on locomotion of newborn opossums, we analyzed the FL muscles responses following application of calibrated forces on the snout in in vitro preparations. Pressure applied to the face induced bilateral and simultaneous FL motor responses, which intensity is proportional to stimulation force. Following consecutive stimulations during 60 min, the responses tended to decrease. Removing the facial skin nearly abolished the responses. Bath applications of the glutamate metabotropic receptor antagonist YM298198, and of the purinergic receptors (P2) antagonist PPADS, decreased the muscles responses. These results support that touch sensitivity of the snout relayed by the trigeminal system is functional in newborn opossums and may influence FL movement, possibly contributing to guiding the animal to the nipple.
Libros sobre el tema "Adaptation (physiologie) – Chez le nouveau-né"
Lewis, Michael, 1937 Jan. 10- y Ramsay Douglas, eds. Soothing and stress. Mahwah, N.J: L. Erlbaum Associates, 1999.
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