Validation of brachial artery pressure reconstruction from finger arterial pressure

Guelen, Ilja; Westerhof, Berend E.; Sar, Gertrude L van der; Montfrans, Gert A. van; Kiemeneij, Ferdinand; Wesseling, Karel H.; Bos, Willem Jan W.

doi:10.1097/hjh.0b013e3282fe1d28

Cited by 149 publications

(111 citation statements)

References 36 publications

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“…Blood flow and reactive hyperaemia Forearm blood flow (FBF) and forearm RH 25 were measured using a mercury-in-silastic strain gauge plethysmograph (EC-6; DE Hokanson Inc., Issaquah, WA, USA) as described by Higashi et al 18 Briefly, the subject was positioned in the supine position with their arm elevated slightly above heart level. Following a circumference measurement of the lower left arm, a strain gauge was attached and connected to the plethysmograph.…”

Section: Haemodynamic Monitoringmentioning

confidence: 99%

Effect of 4 weeks of aerobic or resistance exercise training on arterial stiffness, blood flow and blood pressure in pre- and stage-1 hypertensives

et al. 2008

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The benefits of aerobic exercise (AE) training on blood pressure (BP) and arterial stiffness are well established, but the effects of resistance training are less well delineated. The purpose of this study was to determine the impact of resistance vs aerobic training on haemodynamics and arterial stiffness. Thirty pre-or stage-1 essential hypertensives (20 men and 10 women), not on any medications, were recruited (age: 48.2 ± 1.3 years) and randomly assigned to 4 weeks of either resistance (RE) or AE training. Before and after training, BP, arterial stiffness (pulse wave velocity (PWV)) and vasodilatory capacity (VC) were measured. Resting systolic BP (SBP) decreased following both training modes (SBP: RE, pre 136±2.9 vs post 132±3.4; AE, pre 141±3.8 vs post 136 ± 3.4 mm Hg, P ¼ 0.005; diastolic BP: RE, pre 78 ± 1.3 vs post 74 ± 1.6; AE, pre 80 ± 1.6 vs post 77 ± 1.7 mm Hg, P ¼ 0.001). Central PWV increased (P ¼ 0.0001) following RE (11 ± 0.9-12.7 ± 0.9 m s À1 ) but decreased after AE (12.1 ± 0.8-11.1 ± 0.8 m s À1 ). Peripheral PWV also increased (P ¼ 0.013) following RE (RE, pre 11.5±0.8 vs post 12.5 ± 0.7 m s À1 ) and decreased after AE (AE, pre 12.6 ± 0.8 vs post 11.6 ± 0.7 m s À1 ). The VC area under the curve (VC AUC ) increased more with RE than that with AE (RE, pre 76±8.0 vs post 131.1±11.6; AE, pre 82.7±8.0 vs post 110.1 ± 11.6 ml per min per s per 100 ml, P ¼ 0.001). Further, peak VC (VC peak ) increased more following resistance training compared to aerobic training (RE, pre 17±1.9 vs post 25.8±2.1; AE, pre 19.2±8.4 vs post 22.9 ± 8.4 ml per min per s per 100 ml, P ¼ 0.005). Although both RE and AE training decreased BP, the change in pressure may be due to different mechanisms.

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Section: Haemodynamic Monitoringmentioning

confidence: 99%

Effect of 4 weeks of aerobic or resistance exercise training on arterial stiffness, blood flow and blood pressure in pre- and stage-1 hypertensives

et al. 2008

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“…If o75% of the ABPM recordings for a particular participant were successful, the measurements were repeated the next day. The validated [18][19][20][21] Finometer device (FMS, Finapres Measurement Systems, Amsterdam, The Netherlands) was connected, and a 5-min continuous measurement of resting cardiovascular parameters was carried out. During the recording, after 2 min, a return-to-flow systolic calibration was performed to provide an individual subject-level adjustment of the finger arterial pressure with the brachial artery pressure.…”

Section: Cardiovascular Measurementsmentioning

confidence: 99%

“…During the recording, after 2 min, a return-to-flow systolic calibration was performed to provide an individual subject-level adjustment of the finger arterial pressure with the brachial artery pressure. 19 Therefore, highest precision in cardiovascular measurements is obtainable only after this calibration, 19 and blood pressure levels meet the requirements of the Association for the Advancement of Medical Instrumentation. 22 The Finometer computed the stroke volume, cardiac output and total peripheral resistance online and stored the data in result files.…”

Section: Cardiovascular Measurementsmentioning

confidence: 99%

Carotid cross-sectional wall area is significantly associated with serum leptin levels, independent of body mass index: the SABPA study

et al. 2012

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Hypertension and obesity are serious health burdens in sub-Saharan Africa. Urbanized Africans seem to be more susceptible to the development of these diseases than Caucasians. Current research suggests that leptin may be an important contributor to the development of hypertension and atherosclerosis. The aim of this study was to investigate leptin levels and their associations with cardiovascular function in urbanized Africans and Caucasians. Serum leptin, ambulatory blood pressure and carotid intima-media thickness were measured, and the cross-sectional wall area (CSWA) was calculated. The results showed that Africans had higher leptin levels (Po0.001), ambulatory blood pressure (Po0.001), carotid intima-media thickness (Po0.01) and CSWA (Po0.01) than Caucasians. As we found no interaction between ethnicity and gender for the association between leptin and the cardiovascular variables, we focused mainly on the total group of Africans and Caucasians. In single, partial and multiple regression analyses, positive associations of ambulatory systolic blood pressure (b ¼ 0.256; Po0.001), diastolic blood pressure (b ¼ 0.143; P ¼ 0.012), pulse pressure (b ¼ 0.327; Po0.001) and CSWA (b ¼ 0.107; P ¼ 0.038) with leptin were observed. Even after adjusting for body mass index (BMI), the association between CSWA (b ¼ 0.107; P ¼ 0.038) and leptin remained. Our findings therefore suggest that leptin may contribute to the development of atherosclerosis, independent of BMI.

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“…Afterwards, the same observer monitored BP continuously by making use of the Finometer device (FMS, Finapres Medical Systems, Amsterdam, Netherlands). 21,22 This entailed a 5-min recording of each participant's BP under resting, yet awake, conditions. After the first 2 min, the finger pressure was calibrated with the upper arm (brachial) pressure (that is, returnto-flow systolic calibration).…”

Section: Blood Pressure Measurementsmentioning

confidence: 99%

Blood pressure variability is significantly associated with ECG left ventricular mass in normotensive Africans: The SABPA Study

Schutte

Huisman

et al. 2011

Hypertens Res

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The prognostic significance of blood pressure (BP) variability has lately enjoyed considerable attention. The need for early markers of cardiovascular dysfunction is imperative in black South Africans who have a significant risk for cardiovascular disease. We therefore compared 24-h BP variability with various traditional and advanced BP measurements, regarding their association with sub-clinical organ damage in black and white South Africans. The study included 409 African and Caucasian teachers aged 25-60 yrs. We measured office BP, 1-min continuous (finger) BP, ambulatory BP, BP reactivity and determined weighted 24-h BP variability. Albumin-to-creatinine ratio, Cornell product and carotid cross-sectional wall area (CSWA) were measures of organ damage. Africans had higher 24-h BP, BP variability, BP reactivity and sub-clinical organ damage (Po0.001). Correlations of BP variability with organ damage were overall weak when compared with other BP measurements. In normotensive groups, we found an independent association of 24-h systolic BP (SBP) variability with Cornell product only in Africans (r¼0.37; P¼0.01), confirmed in multiple regression models, with 24-h SBP included in the model. Only in hypertensive Caucasians, a significant correlation between CSWA and 24-h SBP variability was evident (r¼0.30; P¼0.01), although CSWA indicated stronger correlations with office or 24-h SBP than 24-h SBP variability. To conclude, 24-h SBP variability could potentially be an effective measure for the early detection of normotensive Africans at increased risk for the development of cardiovascular complications. Its usefulness based on associations with target organ damage in hypertensive groups seems to be less than traditional office or 24-h BP measurements. Hypertension Research (2011Research ( ) 34, 1127Research ( -1134 doi:10.1038/hr.2011; published online 28 July 2011Keywords: albumin-to-creatinine ratio; ethnicity; intima-media thickness; left ventricular hypertrophy INTRODUCTIONThe prognostic significance of blood pressure (BP) variability has lately enjoyed considerable attention in the literature. [1][2][3][4][5][6][7][8][9][10] Where some papers emphasize the importance of BP variability in prediction of risk of vascular events, 1,2,6,9 others question its prediction of cardiovascular outcome. 4,5,10 Despite this upsurge of recent papers, consistent evidence over the past three decades lends support that both target organ damage and the rate of cardiovascular events of hypertensive patients are significantly and independently related to the degree of BP variability. [11][12][13][14][15] A limitation of many of these papers is that either BP variability alone was investigated, or various measures of BP variability (such as s.d. of 24-h BP, average real variability index 16 and weighted 24-h BP s.d. 17 ) were being compared, regarding the strength of their association with target organ damage.The question therefore arises how BP variability would benchmark against a comprehensive range of both traditional and advanced

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Validation of brachial artery pressure reconstruction from finger arterial pressure

Cited by 149 publications

References 36 publications

Effect of 4 weeks of aerobic or resistance exercise training on arterial stiffness, blood flow and blood pressure in pre- and stage-1 hypertensives

Effect of 4 weeks of aerobic or resistance exercise training on arterial stiffness, blood flow and blood pressure in pre- and stage-1 hypertensives

Carotid cross-sectional wall area is significantly associated with serum leptin levels, independent of body mass index: the SABPA study

Blood pressure variability is significantly associated with ECG left ventricular mass in normotensive Africans: The SABPA Study

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