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The use of smartphone-obtained images to extrapolate canine packed cell volume
Craig R Breheny1, Steven E Kinsey2, Adam G Gow1
1Royal (Dick) School of Veterinary Studies, Midlothian, Scotland.
Objective:
To determine whether a smartphone-obtained image can be used to extrapolate the PCV of canine blood samples.
Design:
Prospective study of surplus blood obtained from clinical cases.
Setting:
University teaching hospital.
Interventions:
Blood samples were placed on filter paper, and images were obtained with a smartphone in different environments. These results were then compared to the PCV measurements on the same samples following the World Health Organization guidelines.
Measurements:
Sixty-nine samples were assessed and identified that smartphone images, obtained in a controlled environment, were able to predict the PCV of the samples. This prediction was most accurate when assessing samples of a normal erythroid mass or polycythemic samples.
Conclusions:
The results of this study suggest that smartphone-obtained images do have a utility in predicting canine PCV. If this can be incorporated into a smartphone application, there would be scope to use this in low resource settings.
