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Article: Circadian changes in uterine artery and ovarian stromal blood flow after pituitary down-regulation

TitleCircadian changes in uterine artery and ovarian stromal blood flow after pituitary down-regulation
Authors
KeywordsCircadian rhythm
Ovarian stromal blood flow
Three-dimensional power Doppler ultrasonography
Uterine artery blood flow
Issue Date2005
PublisherSage Publications, Inc. The Journal's web site is located at http://rsx.sagepub.com
Citation
Journal Of The Society For Gynecologic Investigation, 2005, v. 12 n. 6, p. 452-455 How to Cite?
AbstractOBJECTIVE: To investigate changes in the uterine artery and ovarian stromal blood flow in relation to the time of the day after pituitary down-regulation during in vitro fertilization treatment. METHODS: Thirteen women were recruited. The uterine artery blood flow was studied using pulsed color Doppler ultrasonography and the ovarian stromal blood flow was measured using three-dimensional power Doppler ultrasonography. Ultrasound scan examinations and blood pressure measurements were performed in the morning and evening. RESULTS: The diastolic and the mean arterial pressures were significantly higher in the evening. An increase in the uterine artery pulsatility index and resistance index in the evening was observed. The ovarian vascularization index, vascularization flow index, and right ovarian flow index were significantly lower in the evening. CONCLUSIONS: Despite the small sample size, we have demonstrated the presence of a diurnal change in uterine artery and ovarian stromal blood flow after pituitary down-regulation. Such changes may be related to the systemic change in the sympathetic system and hence vascular resistance. Future study regarding ovarian stromal blood flow should take into account the effect of the time of the day on the readings in order to avoid misleading interpretation of data. Copyright © 2005 by the Society for Gynecologic Investigation.
Persistent Identifierhttp://hdl.handle.net/10722/87316
ISSN
2008 Impact Factor: 2.333
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, CCWen_HK
dc.contributor.authorNg, EHYen_HK
dc.contributor.authorTang, OSen_HK
dc.contributor.authorHo, PCen_HK
dc.date.accessioned2010-09-06T09:28:06Z-
dc.date.available2010-09-06T09:28:06Z-
dc.date.issued2005en_HK
dc.identifier.citationJournal Of The Society For Gynecologic Investigation, 2005, v. 12 n. 6, p. 452-455en_HK
dc.identifier.issn1071-5576en_HK
dc.identifier.urihttp://hdl.handle.net/10722/87316-
dc.description.abstractOBJECTIVE: To investigate changes in the uterine artery and ovarian stromal blood flow in relation to the time of the day after pituitary down-regulation during in vitro fertilization treatment. METHODS: Thirteen women were recruited. The uterine artery blood flow was studied using pulsed color Doppler ultrasonography and the ovarian stromal blood flow was measured using three-dimensional power Doppler ultrasonography. Ultrasound scan examinations and blood pressure measurements were performed in the morning and evening. RESULTS: The diastolic and the mean arterial pressures were significantly higher in the evening. An increase in the uterine artery pulsatility index and resistance index in the evening was observed. The ovarian vascularization index, vascularization flow index, and right ovarian flow index were significantly lower in the evening. CONCLUSIONS: Despite the small sample size, we have demonstrated the presence of a diurnal change in uterine artery and ovarian stromal blood flow after pituitary down-regulation. Such changes may be related to the systemic change in the sympathetic system and hence vascular resistance. Future study regarding ovarian stromal blood flow should take into account the effect of the time of the day on the readings in order to avoid misleading interpretation of data. Copyright © 2005 by the Society for Gynecologic Investigation.en_HK
dc.languageengen_HK
dc.publisherSage Publications, Inc. The Journal's web site is located at http://rsx.sagepub.comen_HK
dc.relation.ispartofJournal of the Society for Gynecologic Investigationen_HK
dc.rightsJournal of the Society for Gynecologic Investigation. Copyright © Sage Publications, Inc.en_HK
dc.subjectCircadian rhythmen_HK
dc.subjectOvarian stromal blood flowen_HK
dc.subjectThree-dimensional power Doppler ultrasonographyen_HK
dc.subjectUterine artery blood flowen_HK
dc.titleCircadian changes in uterine artery and ovarian stromal blood flow after pituitary down-regulationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1071-5576&volume=12&issue=6&spage=452&epage=455&date=2005&atitle=Circadian+changes+in+uterine+artery+and+ovarian+stromal+blood+flow+after+pituitary+down-regulationen_HK
dc.identifier.emailNg, EHY:nghye@hkucc.hku.hken_HK
dc.identifier.emailHo, PC:pcho@hku.hken_HK
dc.identifier.authorityNg, EHY=rp00426en_HK
dc.identifier.authorityHo, PC=rp00325en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jsgi.2005.04.005en_HK
dc.identifier.pmid15979351-
dc.identifier.scopuseid_2-s2.0-24344488488en_HK
dc.identifier.hkuros114507en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-24344488488&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue6en_HK
dc.identifier.spage452en_HK
dc.identifier.epage455en_HK
dc.identifier.isiWOS:000232044300012-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChan, CCW=26643394500en_HK
dc.identifier.scopusauthoridNg, EHY=35238184300en_HK
dc.identifier.scopusauthoridTang, OS=36881248500en_HK
dc.identifier.scopusauthoridHo, PC=7402211440en_HK

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