Comparison of the Finapres and Direct Arterial Pressure Monitoring During Profound Hypotensive Anaesthesia

Aitken, H.A.; Todd, J.G.; Kenny, G. N. C.

doi:10.1093/bja/67.1.36

Cited by 20 publications

(8 citation statements)

References 4 publications

(4 reference statements)

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“…The Finapres method, of which Nexfin is an evolution, has been utilized in a variety of settings, such as drug-induced hypotension during hypotensive anaesthetic techniques, 10–12 tilt testing, 13–16 Valsalva manoeuvre, 17,18 and exercise stress tests. 19,20 However, it has not yet been used during interventional electrophysiology.…”

Section: Discussionmentioning

confidence: 99%

Non-invasive continuous blood pressure monitoring of tachycardic episodes during interventional electrophysiology

et al. 2010

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AimsWe thought to evaluate feasibility of continuous non-invasive blood pressure monitoring during procedures of interventional electrophysiology.Methods and resultsWe evaluated continuous non-invasive finger blood pressure (BP) monitoring by means of the Nexfin device in 22 patients (mean age 70 ± 24 years), undergoing procedures of interventional electrophysiology, in critical situations of hypotension caused by tachyarrhythmias or by intermittent incremental ventricular temporary pacing till to the maximum tolerated systolic BP fall (mean 61 ± 14 mmHg per patient at a rate of 195 ± 37 bpm). In all patients, Nexfin was able to detect immediately, at the onset of tachyarrythmia, the changes in BP and recorded reliable waveforms. The quality of the signal was arbitrarily classified as excellent in 11 cases, good in 10 cases, and sufficient in 1 case. In basal conditions, calibrations of the signal occurred every 49.2 ± 24.3 s and accounted for 4% of total monitoring time; during tachyarrhythmias their frequency increased to one every 12.7 s and accounted for 19% of total recording duration. A linear correlation for a range of BP values from 41 to 190 mmHg was found between non-invasive and intra-arterial BP among a total of 1055 beats from three patients who underwent simultaneous recordings with both methods (coefficient of correlation of 0.81, P < 0.0001).ConclusionIn conclusion, continuous non-invasive BP monitoring is feasible in the clinical practise of an interventional electrophysiology laboratory without the need of utilization of an intra-arterial BP line.

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Section: Discussionmentioning

confidence: 99%

Non-invasive continuous blood pressure monitoring of tachycardic episodes during interventional electrophysiology

et al. 2010

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“…Our experimental setting did not allow evaluation of the accuracy of the FINA method in these critical situations. However, previous studies in adults have reported the reliability of this method during profound hypotensive anaesthesia (26) and during exercise-or drug-induced hypertensive states (4). Further investigations may be required in children.…”

Section: Systolic Gradientmentioning

confidence: 99%

Continuous non-invasive finger blood pressure monitoring in children

et al. 2008

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We evaluated the performance of continuous non-invasive finger arterial pressure measurement using the volume-clamp technique (Finapres). The study was designed to compare finger arterial pressure with brachial blood pressure estimated by the auscultatory method in 217 children (90 boys and 127 girls) aged 4-16 years and in 38 adults (aged 18-45 years). Finger and brachial artery pressure readings were obtained consecutively from the ipsilateral side in the supine position. Fingcr arterial pressure waveforms were recorded in all children except 4 with small and thin fingers. There was good agreement for systolic pressure with only a slight underestimation of 1.9 mmHg and 5.1 mmHg lower for diastolic pressure. This difference most probably reflects inaccuracy of the auscultatory cuff method rather than an error in the Finapres. There was large inter-individual variability in Finapres recordings which might be due to diffcrences in vasomotor tone, as demonstrated by systolic amplification in 5 patients with anorexia. However, Finapres showed a small within-subject variability (3.8 mmHg for systolic and 4.1 mmHg for diastolic pressure) dctermined in 5 patients during phenylephrine infusion, and as good reproducibility as the auscultatory method. These results suggest that finger arterial 4. Kite P, Millar MR, Gorham P, Congden P. Comparison of five tests used in diagnosis of neonatal bacteremia. Arch Dis Child

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“…To date, only the Finapres monitor has seen extensive clinical assessments. [5][6][7][8][9] The N-CAT N-500 is a newly developed, noninvasive, to evaluate the accuracy and reliability of N-CAT N-500 monitor. This study found a lower systolic TBP (bias -1.71 + 4.6), and a higher diastolic TBP (bias 0.99 + 4.56) but no difference in average mean blood pressure.…”

Section: Discussionmentioning

confidence: 99%

Assessment of the arterial tonometer (N-CAT) for the continuous blood pressure measurement in rapid atrial fibrillation

et al. 1993

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The N-CAT is a newly developed arterial tonometer (TBP) 71 + 4,6, 0,99 -4-4,6 et 0,33 + 4,2 Measurement of arterial pressure, either intermittently or continuously, has been standard practice in operating rooms, recovery rooms and intensive care units for decades. If one wants accuracy and beat-to-beat measurement, then direct measurement of intraarterial pressure is used despite some inherent risks with the procedure. However, in those patients in whom there are no absolute indications for invasive arterial pressure, an accurate continuous indirect arterial pressure monitor would be preferable to an invasive technique. Recently, with the advent of microprocessor-based technology, it is possible to re-CAN J ANAESTH 1993 / 40:4 / pp 388-93

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Comparison of the Finapres and Direct Arterial Pressure Monitoring During Profound Hypotensive Anaesthesia

Cited by 20 publications

References 4 publications

Non-invasive continuous blood pressure monitoring of tachycardic episodes during interventional electrophysiology

Non-invasive continuous blood pressure monitoring of tachycardic episodes during interventional electrophysiology

Continuous non-invasive finger blood pressure monitoring in children

Assessment of the arterial tonometer (N-CAT) for the continuous blood pressure measurement in rapid atrial fibrillation

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