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Simultaneous vasomotor reactivity testing in the middle cerebral and basilar artery with suboccipital probe fixation device.

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dc.contributor.authorHong, JM-
dc.contributor.authorJoo, IS-
dc.contributor.authorHuh, K-
dc.contributor.authorSheen, SS-
dc.date.accessioned2011-05-20T04:13:56Z-
dc.date.available2011-05-20T04:13:56Z-
dc.date.issued2010-
dc.identifier.issn1051-2284-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/2659-
dc.description.abstractBACKGROUND: We assess the feasibility of using the newly designed suboccipital probe fixation device (SPFD) as a convenient and reliable tool for simultaneous measurement of vasomotor reactivity (VMR) in the middle cerebral artery (MCA) and basilar artery (BA).



METHODS: We analyzed 30 healthy volunteers' VMR values by using both SPFD and conventional handheld method. The VMR values were measured as percentage increase of the mean flow velocity on transcranial Doppler (TCD) in response to hypercapnia induced by the rebreathing method. The VMR tests were performed three times: (1) for both MCAs, (2) for the index MCA (the better signal window) and the BA by using the SPFD, and (3) for the index MCA and the BA by using the handheld technique.



RESULTS: The VMR values of the right and left MCAs were similar (P > .05). Although the VMR values of the index MCA and the BA obtained by SPFD application and the handheld technique were similar (P > .05), the correlation coefficient of VMR values obtained by using the SPFD was higher (r= .827, P < .001 vs. r= .568, P= .001).



CONCLUSION: The SPFD is a convenient and reliable tool for the evaluation of relative VMR between the MCA and BA during TCD monitoring.
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dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHBasilar Artery/*physiology/ultrasonography-
dc.subject.MESHBlood Flow Velocity-
dc.subject.MESHBlood Pressure-
dc.subject.MESH*Cerebrovascular Circulation-
dc.subject.MESHEquipment Design-
dc.subject.MESHFeasibility Studies-
dc.subject.MESHFemale-
dc.subject.MESHHeart Rate-
dc.subject.MESHHumans-
dc.subject.MESHHypercapnia/physiopathology-
dc.subject.MESHMale-
dc.subject.MESHMiddle Cerebral Artery/*physiology/ultrasonography-
dc.subject.MESH*Monitoring, Physiologic/instrumentation/methods-
dc.subject.MESHRespiration-
dc.subject.MESHSoftware-
dc.subject.MESHUltrasonography, Doppler, Transcranial-
dc.subject.MESHUser-Computer Interface-
dc.subject.MESHVasomotor System/*physiology-
dc.titleSimultaneous vasomotor reactivity testing in the middle cerebral and basilar artery with suboccipital probe fixation device.-
dc.typeArticle-
dc.identifier.pmid19226344-
dc.contributor.affiliatedAuthor홍, 지만-
dc.contributor.affiliatedAuthor주, 인수-
dc.contributor.affiliatedAuthor허, 균-
dc.contributor.affiliatedAuthor신, 승수-
dc.type.localJournal Papers-
dc.identifier.doi10.1111/j.1552-6569.2008.00353.x-
dc.citation.titleJournal of neuroimaging : official journal of the American Society of Neuroimaging-
dc.citation.volume20-
dc.citation.number1-
dc.citation.date2010-
dc.citation.startPage83-
dc.citation.endPage86-
dc.identifier.bibliographicCitationJournal of neuroimaging : official journal of the American Society of Neuroimaging, 20(1):83-86, 2010-
dc.identifier.eissn1552-6569-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Journal Papers > School of Medicine / Graduate School of Medicine > Pulmonary & Critical Care Medicine
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