Search Results - "Leite, Cléo A.C."
-
1
Recovery of the baroreflex and autonomic modulation after anesthesia with MS-222 in bullfrogs
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-09-2024)“…The time course for recovery after anesthesia is poorly described for tricaine methanesulfonate (MS-222). We suggest that the baroreflex and the heart rate…”
Get full text
Journal Article -
2
Ontogenetic scaling of the baroreflex function in the green iguana ( Iguana iguana )
Published in American journal of physiology. Regulatory, integrative and comparative physiology (01-12-2022)“…Large body mass ( ) in vertebrates is associated with longer pulse intervals between heartbeats (PI) and thicker arterial walls. Longer PI increases the time…”
Get more information
Journal Article -
3
Baroreflex responses of decerebrate rattlesnakes (Crotalus durissus) are comparable to awake animals
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-11-2022)“…A decerebrate rattlesnake, Crotalus durissus, has previously been used as a model Squamate for cardiovascular studies. It enabled instrumentation for…”
Get full text
Journal Article -
4
Baroreflex gain and time of pressure decay at different body temperatures in the tegu lizard, Salvator merianae
Published in PloS one (23-11-2020)“…Ectotherms may experience large body temperature (Tb) variations. Higher Tb have been reported to increase baroreflex sensitivity in ectotherm tetrapods. At…”
Get full text
Journal Article -
5
Prenatal hypoxia affects scaling of blood pressure and arterial wall mechanics in the common snapping turtle, Chelydra serpentina
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-10-2021)“…In reptiles, exposure to hypoxia during embryonic development affects several cardiovascular parameters. These modifications may impose different mechanical…”
Get full text
Journal Article -
6
A comparison of four common mathematical models to assess baroreflex sensitivity
Published in Journal of experimental zoology. Part A, Ecological and integrative physiology (01-08-2023)“…Different methods have been used to assess baroreflex gain in experiments where changes in the carotid sinus pressure or the arterial blood pressure using…”
Get full text
Journal Article -
7
Improved cardiac filling facilitates the postprandial elevation of stroke volume in Python regius
Published in Journal of experimental biology (01-10-2016)“…To accommodate the pronounced metabolic response to digestion, pythons increase heart rate and elevate stroke volume, where the latter has been ascribed to a…”
Get full text
Journal Article -
8
Baroreflex responses to activity at different temperatures in the South American rattlesnake, Crotalus durissus
Published in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology (01-09-2021)“…In humans, physical exercise imposes narrower limits for the heart rate ( f H ) response of the baroreflex, and vascular modulation becomes largely responsible…”
Get full text
Journal Article -
9
Arterial wall thickening normalizes arterial wall tension with growth in American alligators, Alligator mississippiensis
Published in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology (01-05-2021)“…Arterial wall tension increases with luminal radius and arterial pressure. Hence, as body mass ( M b ) increases, associated increases in radius induces larger…”
Get full text
Journal Article -
10
Vagal tone regulates cardiac shunts during activity and at low temperatures in the South American rattlesnake, Crotalus durissus
Published in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology (01-12-2016)“…The undivided ventricle of non-crocodilian reptiles allows for intracardiac admixture of oxygen-poor and oxygen-rich blood returning via the atria from the…”
Get full text
Journal Article -
11
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri
Published in Scientific reports (23-11-2017)“…Beat-to-beat variation in heart rate ( f H ) has been used as a tool for elucidating the balance between sympathetic and parasympathetic modulation of the…”
Get full text
Journal Article -
12
Evaluation of the sequence method as a tool to assess spontaneous baroreflex in reptiles
Published in Journal of experimental zoology. Part A, Ecological and integrative physiology (01-08-2019)“…The sequence method is an alternative to the traditional pharmacological approach (i.e., the Oxford technique) used to calculate baroreflex gain (G) in…”
Get full text
Journal Article -
13
10.6. Control of the heart: How to match ventilation and blood flow
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-08-2007)Get full text
Journal Article -
14
An overview of the phylogeny of cardiorespiratory control in vertebrates with some reflections on the ‘Polyvagal Theory’
Published in Biological psychology (01-07-2022)Get full text
Journal Article -
15
-
16
The role of branchial and orobranchial O2 chemoreceptors in the control of aquatic surface respiration in the neotropical fish tambaqui (Colossoma macropomum): progressive responses to prolonged hypoxia
Published in Journal of experimental biology (01-05-2006)“…The present study examined the role of branchial and orobranchial O(2) chemoreceptors in the cardiorespiratory responses, aquatic surface respiration (ASR),…”
Get full text
Journal Article -
17
Pharmacodynamics of propofol and alfaxalone in rattlesnakes (Crotalus durissus)
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-06-2021)“…To characterise the effect of two common induction agents, propofol and alfaxalone, on mean arterial blood pressure (MAP) and heart rate (HR), we equipped 19…”
Get full text
Journal Article -
18
The phylogeny and ontogeny of autonomic control of the heart and cardiorespiratory interactions in vertebrates
Published in Journal of experimental biology (01-03-2014)“…Heart rate in vertebrates is controlled by activity in the autonomic nervous system. In spontaneously active or experimentally prepared animals, inhibitory…”
Get full text
Journal Article -
19
Respiratory sinus arrhythmia is a major component of heart rate variability in undisturbed, remotely monitored rattlesnakes, Crotalus durissus
Published in Journal of experimental biology (30-04-2019)“…ECG recordings were obtained using an implanted telemetry device from the South American rattlesnake, , held under stable conditions without restraining cables…”
Get full text
Journal Article -
20
Heart rate variability in the tegu lizard, Salvator merianae, its neuroanatomical basis and role in the assessment of recovery from experimental manipulation
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-02-2020)“…Using long-term, remote recordings of heart rate (fH) on fully recovered, undisturbed lizards, we identified several components of heart rate variability (HRV)…”
Get full text
Journal Article