Abstract
Platelet-rich plasma (PRP) has emerged as a cornerstone in veterinary regenerative medicine. The present study evaluated the impact of the operator on the qualitative and quantitative features of non-activated PRP derived from canine whole blood. Blood was collected in anticoagulant acid citrate dextrose from twelve healthy adult dogs and PRP was prepared according to the double-spin method. Both operators followed an identical protocol and utilized the same equipment for PRP preparation from the pooled blood samples. The resulting PRP underwent characterization, classification and coding based on minimum reporting standards. The consistency and internal reliability of different parameters were also assessed using the intraclass correlation coefficient and Cronbach's alpha values. Variables such as white blood cell (WBC) concentration, relative WBC composition and mean platelet volume (MPV) showed poor reliability, and WBC concentration and MPV also had unacceptable internalconsistency. Significant differences were observed in several qualitative and quantitative parameters of the prepared PRP, highlighting the influence of the operator even when the same protocol and equipment were used. Our study has direct implications to regenerative medicine, reinforcing the urgency to set minimum requirements for reporting PRP in research studies.
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