reticulocyte production index


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re·ti·cu·lo·cyte pro·duc·tion in·dex

(RPI) (rĕ-tik'yū-lō-sīt prŏ-dŭk'shŭn in'deks)
A calculated value that serves as an indicator of the bone marrow response in anemia. It is calculated as patient's hematocrit ÷ 0.45 L/L × reticulocyte count (%) × 1 ÷ maturation time of shift reticulocytes.

re·ti·cu·lo·cyte pro·duc·tion in·dex

(rĕ-tik'yū-lō-sīt prŏ-dŭk'shŭn in'deks)
A calculated value that indicates bone marrow response in anemia.
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References in periodicals archive ?
ACT, artemisinin-based combination therapy; ARM, artemether; d, day; [DELTA], period between indicated days; DHA, dihydroartemisinin; Hb, hemoglobin; LDH, lactate dehydrogenase; LUM, lumefantrine; NA, not applicable; PPQ, piperaquine; RPI, reticulocyte production index. ([dagger]) Percentage of erythrocytes infected.
Laboratory tests demonstrated anemia of chronic disease diagnosed by a hematocrit of 25% associated with a low reticulocyte production index, high serum ferritin, and an elevated erythrocyte sedimentation rate (91 mm/hr), with polyclonal hypergammaglobulinemia and hypoalbuminemia on serum protein electrophoresis.