P2.12 COMPARISON OF THE CENTRON CBP301 AND SPHYGMOCOR XCEL DEVICES FOR THE ESTIMATION OF CENTRAL PRESSURE
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Non-invasive devices for determining central blood pressure (BP) are available, which are suitable for routine clinical use. The aim of this study was to compare estimates of central systolic BP (cSBP) provided by two recently developed, cuff-based devices: the Centron cBP301 and the SphygmoCor XCEL. Both devices were compared with the SphygmoCor system.
In 103 subjects (58 females), age range 18–84 years, brachial BP was measured and cSBP derived using the XCEL and Centron devices. Radial artery waveforms were recorded and calibrated, in turn, to the brachial systolic and diastolic BP obtained with the XCEL and Centron devices.
Brachial cuff pressures measured with the XCEL and Centron devices were highly correlated (r=0.93, P<0.001, SBP; r=0.90, P<0.001, DBP) and in good agreement, with a mean difference (±SD) between devices of 1±7 mmHg (P=0.2) for SBP and 1±4 mmHg for DBP (P=0.3, Table 1). Similarly, estimates of cSBP were also highly correlated (r=0.90, P<0.001) and in good agreement (mean difference of 1±7 mmHg, P=0.2). When each device was compared with the SphygmoCor, there were strong correlations between estimates of cSBP (r=0.97, P<0.001, Centron; r=0.98, P<0.001, XCEL). There was also good agreement, with a mean difference of 0±4mmHg (P=0.9, Centron) and 0±4mmHg (P=0.7, XCEL).
| XCEL | Centron | Diff | P | r | P | |
|---|---|---|---|---|---|---|
| Brachial SBP (mmHg) | 127±19 | 127±18 | 1±7 | 0.2 | 0.93 | <0.001 |
| Brachial DBP (mmHg) | 75±10 | 75±10 | 1±4 | <0.001 | 0.90 | <0.001 |
| MAP (mmHg) | 92±12 | 86±11 | 6±5 | <0.001 | 0.91 | <0.001 |
| cSBP (mmHg) | 115±16 | 114±16 | 1±7 | 0.2 | 0.90 | <0.001 |
| Heart Rate (bpm) | 68±12 | 69±12 | −1±6 | <0.001 | 0.88 | <0.001 |
Estimates of cSBP provided by the Centron and XCEL devices.
The Centron and XCEL devices produce similar estimates of brachial and central pressure, and both provide similar estimates of cSBP to the SphygmoCor. These cuff-based devices have the advantage of being operator-independent and simple to use, and are thus potentially suitable for use in routine clinical environments.
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TY - JOUR AU - J. Woodcock-Smith AU - K. Shaw AU - K.M. Miles AU - L.M. Day AU - I.B. Wilkinson AU - C.M. McEniery PY - 2012 DA - 2012/11/17 TI - P2.12 COMPARISON OF THE CENTRON CBP301 AND SPHYGMOCOR XCEL DEVICES FOR THE ESTIMATION OF CENTRAL PRESSURE JO - Artery Research SP - 167 EP - 167 VL - 6 IS - 4 SN - 1876-4401 UR - https://doi.org/10.1016/j.artres.2012.09.093 DO - 10.1016/j.artres.2012.09.093 ID - Woodcock-Smith2012 ER -