Reticulocyte Production Index Tweetorial by Aaron Goodman
Aaron Goodman shared on X:
“Reticulocyte Production Index [RPI] Tweetorial
Reticulocytes % is misleading in anemia [Reticulocytes= % of total RBCs]
Reticulocytes % = [Absolute Retic count]/[Total RBC] x 100
Decreased RBC in anemia means increased Reticulocyte.
You must correct for this!
Corrected Reticulocytes = Reticulocytes % x HCT/45, but there is more!
Retics lose RNA in 24 hrs!
Anemic patient EPO to increase retic production and release from marrow!
Takes released retics 2-3 days lose RNA->increased reticulocytes % in blood RPI corrects RPI = [Corrected Retic]/[Maturation Index].
More anemic more retics in blood and more correction needed.”
Source: Aaron Goodman/X
Aaron Goodman is a Hematologist/ Oncologist and an Associate Professor of Medicine at the University of California, San Diego.
He is a member of the National Comprehensive Cancer Network (NCCN) guideline committee for both cutaneous NHLs and T-cell NHLs. Dr. Goodman is a well-known physician-scientist, educator, advocate, and social media influencer.
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