Sympathetic peripheral vasoconstriction may be measured using an artifact of the Finapres volume clamp technique.

Abstract:

OBJECTIVES:The objective of this work was to test the hypothesis that the Finapres underestimates blood pressure during sympathetic peripheral vasoconstriction. METHODS:Measurements were made simultaneously with two Finapres devices and one radial artery tonometer during the onset of periodic lower body negative pressure in healthy volunteers. The Finapres is believed to underestimate blood pressure during sympathetic peripheral vasoconstriction, but tonometry is not considered to be influenced. A lower blood pressure recording was therefore expected from the Finapres during the induced sympathetic vasoconstriction. To test the association with autonomic activity the time course of the difference between the two measurement techniques was compared with the induced change in heart rate. RESULTS:In averaged results from 10 volunteers the Finapres and tonometer both showed a drop in blood pressure with the vacuum onset. A significantly larger drop was recorded by the Finapres. The result is consistent with an underestimate of blood pressure by the Finapres during the autonomic stimulation. The time course of the difference between the two measures of blood pressure follows the induced changes in heart rate, providing further evidence that the differences relate to autonomic activity. CONCLUSION:Measurement of the difference may be a convenient method for monitoring the neurological component of peripheral vasoactivity. It is argued that the difference is insensitive to peripheral vasoactivity mediated by local endothelial or myogenic mechanisms.

journal_name

Blood Press Monit

authors

Birch AA

doi

10.1097/MBP.0b013e3282c9acc3

subject

Has Abstract

pub_date

2007-10-01 00:00:00

pages

315-9

issue

5

eissn

1359-5237

issn

1473-5725

pii

00126097-200710000-00006

journal_volume

12

pub_type

临床试验,杂志文章
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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

    authors: Gualdiero P,Niebauer J,Addison C,Clark SJ,Coats AJ

    更新日期:2000-04-01 00:00:00

  • Blood pressure measurement and the guidelines: a proposed new algorithm for the diagnosis of hypertension.

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    journal_title:Blood pressure monitoring

    pub_type: 共识发展会议,杂志文章,评审

    doi:10.1097/00126097-200412000-00002

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    更新日期:2004-12-01 00:00:00

  • The impact of arm circumference on noninvasive oscillometric blood pressure referenced with intra-aortic blood pressure.

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/MBP.0000000000000141

    authors: Shangguan Q,Wu Y,Xu J,Su H,Li J,Hong K,Cheng X

    更新日期:2015-12-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

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    pub_type: 杂志文章,随机对照试验

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    更新日期:2009-08-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

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    pub_type: 杂志文章

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    更新日期:2011-06-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/MBP.0000000000000422

    authors: Meireles K,Peçanha T,Dias ARL,Souza KA,Araújo JA,Silva JS,Rezende DAN,Santos RJ,Cambri LT,Arsa G

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    journal_title:Blood pressure monitoring

    pub_type: 临床试验,杂志文章

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    pub_type: 杂志文章,随机对照试验

    doi:10.1097/MBP.0000000000000328

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    journal_title:Blood pressure monitoring

    pub_type: 临床试验,杂志文章,随机对照试验

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    更新日期:1999-04-01 00:00:00

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    abstract:BACKGROUND:Patients and doctors often use home blood pressure monitoring (HBPM) to assess the control of hypertension. Despite its popularity there has always been some uncertainty with regard to its accuracy, reliability, reproducibility, and comparability. Although there are pre-market HBPM standards of accuracy, the...

    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/00126097-199904010-00007

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    更新日期:1999-02-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

    authors: Musso NR,Lotti G

    更新日期:1996-04-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

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    更新日期:1996-06-01 00:00:00

  • Effects of salt loading and potassium supplement on the circadian blood pressure profile in salt-sensitive Chinese patients.

    abstract:BACKGROUND AND OBJECTIVE:Salt-sensitive (SS) patients more frequently showed a nondipper blood pressure pattern and were associated with more serious target organ damage than non-SS patients. We aimed to investigate whether potassium supplement can improve the blunted nocturnal blood pressure fall in SS patients expose...

    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

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    pub_type: 杂志文章

    doi:10.1097/MBP.0000000000000313

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

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    更新日期:1996-08-01 00:00:00

  • Ambulatory blood pressure monitoring in end-stage renal disease.

    abstract::BACKGROUND: Hypertension is responsible for substantial morbidity in end-stage renal disease. Ambulatory blood pressure monitoring has been used to understand the behavior of blood pressure in renal failure, especially during the interdialytic period for patients on hemodialysis. OBJECTIVE: To review the published dat...

    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

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    更新日期:1997-12-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/MBP.0b013e3283078f45

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    更新日期:2008-10-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:

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    更新日期:1996-02-01 00:00:00

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    abstract::The acute effect of smoking is a rise in blood pressure and heart rate. Nevertheless, in several epidemiologic studies, smokers tend to have a slightly lower office blood pressure than non-smokers. We studied the 24 h ambulatory blood pressure consecutively in hypertensive smokers (> or = 10 cigarettes per day, n = 26...

    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/00126097-200010000-00004

    authors: Bang LE,Buttenschøn L,Kristensen KS,Svendsen TL

    更新日期:2000-10-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章,评审

    doi:10.1097/00126097-200112000-00011

    authors: Verdecchia P

    更新日期:2001-12-01 00:00:00

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    abstract::Hypertension is a highly common condition with well-established adverse consequences. Ambulatory blood pressure monitoring has repeatedly been shown to better predict cardiovascular outcomes and mortality, compared to single office visit blood pressure. Non-dipping of sleep-time blood pressure is an independent marker...

    journal_title:Blood pressure monitoring

    pub_type: 杂志文章,评审

    doi:10.1097/MBP.0000000000000426

    authors: Kwon Y,Stafford PL,Lim DC,Park S,Kim SH,Berry RB,Calhoun DA

    更新日期:2020-04-01 00:00:00

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    journal_title:Blood pressure monitoring

    pub_type: 杂志文章

    doi:10.1097/MBP.0000000000000097

    authors: Leblanc MÈ,Cloutier L,Poirier P

    更新日期:2015-04-01 00:00:00

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    pub_type: 杂志文章,评审

    doi:

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    更新日期:2000-01-01 00:00:00