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Sympathetic Signaling01:31

Sympathetic Signaling

Sympathetic signaling, a vital part of the autonomic nervous system, plays a crucial role in mobilizing the body's resources in response to stress or emergencies. It involves the transmission of nerve impulses from sympathetic preganglionic fibers to postganglionic fibers. This results in the release of specific neurotransmitters and activation of adrenergic receptors.
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Sympathetic Activation01:16

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The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...
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[Study of 178 ante partum deaths in 2001-2004 in the southern part of Reunion Island].

Journal de gynecologie, obstetrique et biologie de la reproduction·2006
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[Chikungunya infection in pregnancy: Evidence for intrauterine infection in pregnant women and vertical transmission in the parturient. Survey of the Reunion Island outbreak].

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[Herpetic neonatal hepatitis].

Archives de pediatrie : organe officiel de la Societe francaise de pediatrie·2005
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[Congenital varicella: limits of prenatal diagnosis].

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[The messenger syndrome].

A Fourmaintraux1

  • 1Service de pédiatrie, Centre Hospitalier Régional de La Réunion, site Groupe hospitalier Sud Réunion, 97400 Saint-Pierre, Réunion. a.fourmaintraux@orange.fr

Medecine Tropicale : Revue Du Corps De Sante Colonial
|June 15, 2012
PubMed
Summary
This summary is machine-generated.

Pediatricians initiated chikungunya testing for mother-to-child transmission in 2005, despite health authorities deeming it unnecessary. Early literature did not highlight transmission risks during this period.

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Area of Science:

  • Virology
  • Epidemiology
  • Pediatrics

Context:

  • Since 2005, pediatricians in Reunion Island observed a need for chikungunya testing in mothers.
  • Health authorities did not recognize the necessity of such testing.
  • Limited literature existed on chikungunya mother-to-child transmission risks at the time.

Purpose:

  • To investigate the observed clinical practice of chikungunya testing for mother-to-child transmission.
  • To address the discrepancy between clinical observation and official health guidance.
  • To highlight the emerging understanding of chikungunya transmission dynamics.

Summary:

  • Pediatricians in Reunion Island proactively implemented chikungunya testing protocols for mother-to-child transmission starting in mid-2005.
  • This practice was self-imposed due to clinical observations, contrasting with sanitary authorities' stance.
  • The scientific literature available at the time did not extensively cover the risk of chikungunya transmission from mother to child.

Impact:

  • This highlights a gap in early chikungunya management guidelines.
  • Underscores the importance of clinical observation in identifying emerging public health concerns.
  • Suggests a need for updated research on vertical transmission of chikungunya virus.