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Physiological measurement.
Publisher:
IOP Pub. Ltd.,
Frequency: Four no. a year
Country: England
Language: English
Author(s):
Institute of Physical Sciences in Medicine (Great Britain), Institution of Physics and Engineering in Medicine and Biology.
Start Year:1993 -
ISSN:
0967-3334 (Print)
1361-6579 (Electronic)
0967-3334 (Linking)
1361-6579 (Electronic)
0967-3334 (Linking)
Impact Factor
3.2
2022
| NLM ID: | 9306921 |
| (DNLM): | SR0076039(s) |
| (OCoLC): | 27890544 |
| Coden: | PMEAE3 |
| LCCN: | sn 93007339 |
| Classification: | W1 PH926M |
Validation of three-dimensional thoracic electrical impedance tomography of horses during normal and increased tidal volumes. Objective. Data from two-plane electrical impedance tomography (EIT) can be reconstructed into various slices of functional lung images, allowing for more complete visualisation and assessment of lung physiology in health and disease. The aim of this study was to confirm the ability of 3D EIT to visualise normal lung anatomy and physiology at rest and during increased ventilation (represented by rebreathing).Approach. Two-plane EIT data, using two electrode planes 20 cm apart, were collected in 20 standing sedate horses at baseline (resting) conditions, and during rebreathing. EIT data were re...
A portable fan-based device for evaluating lung function in horses by the forced oscillation technique. . The assessment of lung mechanics in horses is nowadays based on invasive methods that may require sedation. The forced oscillation technique (FOT) allows the non-invasive assessment of respiratory mechanics during spontaneous breathing, but current devices are complex, cumbersome, expensive, and difficult to be applied in horses.. We developed a portable FOT device based on a novel approach in which the pressure waveforms are generated by a servo-controlled ducted fan. This new approach allows the design of devices that are more sturdy, compact, and portable compared to already existing appr...
Assessment of distribution of ventilation by electrical impedance tomography in standing horses. The aim was to evaluate the feasibility of using electrical impedance tomography (EIT) in horses. Thoracic EIT was used in nine horses. Thoracic and abdominal circumference changes were also measured with respiratory ultrasound plethysmography (RUP). Data were recorded during baseline, rebreathing of CO2 and sedation. Three breaths were selected for analysis from each recording. During baseline breathing, horses regularly took single large breaths (sighs), which were also analysed. Functional EIT images were created using standard deviations (SD) of pixel signals and correlation coefficients (...
Multi-frequency bioimpedance in equine muscle assessment. Multi-frequency BIA (mfBIA) equipment has been shown to be a non-invasive and reliable method to assess a muscle as a whole or at fibre level. In the equine world this may be the future method of assessment of training condition or of muscle injury. The aim of this study was to test if mfBIA reliably can be used to assess the condition of a horse's muscles in connection with health assessment, injury and both training and re-training. mfBIA measurements was carried out on 10 'hobby' horses and 5 selected cases with known anamnesis. Impedance, resistance, reactance, phase angle, centre frequenc...
