Platelet swirling explained

Platelet swirling
Purpose:	testing the quality of platelet-rich plasma

Platelet swirling is a noninvasive method for testing the quality of platelet-rich plasma (PRP).^[1] Platelet swirling is caused by light diffraction due to the alignment of normal disc-shaped platelets. These discs align light that is diffracted, creating a cloud- or swirl-like appearance.

Results of a platelet swirling test are recorded as positive or extensive swirl, moderate or intermediate swirl, and absent or negative swirl.

Further reading

• Maurer-Spurej E, Chipperfield K . Past and future approaches to assess the quality of platelets for transfusion . Transfusion Medicine Reviews . 21 . 4 . 295–306 . October 2007 . 17900491 . 10.1016/j.tmrv.2007.05.005.

External links

• Web site: 12 April 2006 . The Physics of Platelet 'Swirling' . . 15 July 2009 . dead . https://web.archive.org/web/20090630071823/http://www.aabb.org/Content/News_and_Media/Topics_of_Interest/swirl.htm . 30 June 2009 .

Notes and References

1. Wagner . S. J. . Robinette . D. . Evaluation of swirling, pH, and glucose tests for the detection of bacterial contamination in platelet concentrates . Transfusion . November 1996 . 36 . 11–12 . 989–993 . 10.1046/j.1537-2995.1996.36111297091744.x . 8937410 . 34296364 . 28 November 2021 . 0041-1132.