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Vibroacoustic stimulation: Difference between revisions






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'''Vibroacoustic stimulation (VAS)''', sometimes referred to as '''fetal vibroacoustic stimulation''' or '''fetal acoustic stimulation test (FAST)''', is the application of a vibratory sound stimulus to the [[abdomen]] of a [[pregnancy|pregnant]] woman to induce [[Cardiotocography#Accelerations|FHR accelerations]]. The presence of FHR accelerations reliably predicts the absence of [[Acidemia#Fetal_metabolic_acidemia|fetal metabolic acidemia]]. Vibroacoustic stimulation is typically used during a [[nonstress test]] (NST).<ref name="isbn1-84214-333-6">{{cite book |author=Chervenak, Frank A.; Kurjak, Asim |title=Textbook of Perinatal Medicine, Second Edition (Two Volumes) |publisher=Informa Healthcare |location= |year=2006 |pages=963 |isbn=1-84214-333-6 |oclc= |doi= |accessdate=}}</ref><ref name="FHM">{{cite book |title= Fetal Heart Monitoring: Principles and Practices|last= Association of Women’s Health, Obstetric, and Neonatal Nurses |authorlink= AWHONN|editor= Audrey Lyndon, Linda Usher Ali|edition= 3rd|year= 2005|publisher= Kendall/Hunt Publishing Co|location=Dubuque, IA |isbn= 978-0-7575-6234-1}}</ref>

'''Vibroacoustic stimulation (VAS)''', sometimes referred to as '''fetal vibroacoustic stimulation''' or '''fetal acoustic stimulation test (FAST)''', is the application of a vibratory sound stimulus to the [[abdomen]] of a [[pregnancy|pregnant]] woman to induce [[Cardiotocography#Accelerations|FHR accelerations]]. The presence of FHR accelerations reliably predicts the absence of [[Acidemia#Fetal_metabolic_acidemia|fetal metabolic acidemia]]. Vibroacoustic stimulation is typically used during a [[nonstress test]] (NST).<ref name="isbn1-84214-333-6">{{cite book |author=Chervenak, Frank A.; Kurjak, Asim |title=Textbook of Perinatal Medicine, Second Edition (Two Volumes) |publisher=Informa Healthcare |location= |year=2006 |pages=963 |isbn=1-84214-333-6 |oclc= |doi= |accessdate=}}</ref><ref name="FHM">{{cite book |title= Fetal Heart Monitoring: Principles and Practices|last= Association of Women’s Health, Obstetric, and Neonatal Nurses |authorlink= AWHONN|editor= Audrey Lyndon, Linda Usher Ali|edition= 3rd|year= 2005|publisher= Kendall/Hunt Publishing Co|location=Dubuque, IA |isbn= 978-0-7575-6234-1}}</ref>



In 2013, the [[Cochrane Database of Systematic Reviews]] concluded that there was insufficient evidence from randomized trials to support its use to assess [[fetus|fetal]] well-being in labor.<ref>{{cite pmid|23440793}}</ref> A related Cochrane Review, however, concluded that its use in antenatal testing did reduce the incidence of non-reactive cardiotocography and the overall testing time.<ref>{{cite pmid| 24318543}}</ref>

In 2013, the [[Cochrane Database of Systematic Reviews]] concluded that there was insufficient evidence from randomized trials to support its use to assess [[fetus|fetal]] well-being in labor.<ref>{{Cite journal | last1 = East | first1 = C. E. | last2 = Smyth | first2 = R. M. | last3 = Leader | first3 = L. R. | last4 = Henshall | first4 = N. E. | last5 = Colditz | first5 = P. B. | last6 = Lau | first6 = R. | last7 = Tan | first7 = K. H. | editor1-last = East | editor1-first = Christine E | title = Vibroacoustic stimulation for fetal assessment in labour in the presence of a nonreassuring fetal heart rate trace | doi = 10.1002/14651858.CD004664.pub3

| journal = The Cochrane Library| volume = 1 | pages = CD004664 | year = 2013 | pmid = 23440793 | pmc = }}</ref> A related Cochrane Review, however, concluded that its use in antenatal testing did reduce the incidence of non-reactive cardiotocography and the overall testing time.<ref>{{cite pmid| 24318543}}</ref>



==References==

==References==


Revision as of 16:19, 16 August 2015

Vibroacoustic stimulation (VAS), sometimes referred to as fetal vibroacoustic stimulationorfetal acoustic stimulation test (FAST), is the application of a vibratory sound stimulus to the abdomen of a pregnant woman to induce FHR accelerations. The presence of FHR accelerations reliably predicts the absence of fetal metabolic acidemia. Vibroacoustic stimulation is typically used during a nonstress test (NST).[1][2]

In 2013, the Cochrane Database of Systematic Reviews concluded that there was insufficient evidence from randomized trials to support its use to assess fetal well-being in labor.[3] A related Cochrane Review, however, concluded that its use in antenatal testing did reduce the incidence of non-reactive cardiotocography and the overall testing time.[4]

References

  1. ^ Chervenak, Frank A.; Kurjak, Asim (2006). Textbook of Perinatal Medicine, Second Edition (Two Volumes). Informa Healthcare. p. 963. ISBN 1-84214-333-6.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • ^ Association of Women’s Health, Obstetric, and Neonatal Nurses (2005). Audrey Lyndon, Linda Usher Ali (ed.). Fetal Heart Monitoring: Principles and Practices (3rd ed.). Dubuque, IA: Kendall/Hunt Publishing Co. ISBN 978-0-7575-6234-1.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • ^ East, C. E.; Smyth, R. M.; Leader, L. R.; Henshall, N. E.; Colditz, P. B.; Lau, R.; Tan, K. H. (2013). East, Christine E (ed.). "Vibroacoustic stimulation for fetal assessment in labour in the presence of a nonreassuring fetal heart rate trace". The Cochrane Library. 1: CD004664. doi:10.1002/14651858.CD004664.pub3. PMID 23440793.
  • ^ Attention: This template ({{cite pmid}}) is deprecated. To cite the publication identified by PMID 24318543, please use {{cite journal}} with |pmid= 24318543 instead.
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    This page was last edited on 16 August 2015, at 16:19 (UTC).

    This version of the page has been revised. Besides normal editing, the reason for revision may have been that this version contains factual inaccuracies, vandalism, or material not compatible with the Creative Commons Attribution-ShareAlike License.



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