Venometer V3
Initial results for the the latest release of Amtec's DVT screening device.
Following a significant research exercise the discriminant line of the Venometer has been finely adjusted to improve its sensitivity for detecting DVT. Initial results of this exercise have been extremely positive and suggest that a screening protocol using clinical scoring and the Venometer V3 is more accurate and efficient than any other combination of tests.
The initial part of the exercise involved the analysis of patient data (972 results) from three hospitals (Aberdeen, Queen Margaret and RAEI Wigan) which were used to create the new discriminant line. This data compared the accuracy of the Venometer with Contrast Venography. This data produced the following results:
For 860 low and medium risk patients Venometer V3 detected ALL 28 proximal clots, and 19 of 22 distal clots.
| Sensitivity (proximal) | 100% |
| False positive rate (proximal) | 25% |
| Sensitivity (distal) | 86% |
| False positive rate (distal) | 26% |
ADDITION OF AINTREE RESULTS
The study was extended to include results from University Hospital Aintree. All of these results were from patients who were found to have DVT, some of which were picked up by the original Venometer, and some by D-dimer. The results were analysed to see if they would have been picked up by the new version Venometer V3. With this data the results were as follows:
For low and medium risk patients Venometer V3 detected all 22 proximal clots and 2 of 4 distal clots.
| Sensitivity (proximal) | 100% |
| Sensitivity (all DVT) | 91% |
For all patients (low, medium and high risk) Venometer V3 detected all 65 proximal clots and 11 of 15 distal clots.
| Sensitivity (proximal) | 100% |
| Sensitivity (all DVT) | 95% |
If you would like to compare the accuracy and efficiency of using clinical scoring and the Venometer V3 against your current DVT screening pathway please contact us on 0870 242 3012 or email venometer@amtec-medical.com