What question did this study set out to answer?

Quantify bone marrow erythropoietic activity along with circulating red blood cell production and destruction rates in pernicious anemia before and during vitamin B12 therapy.

September 1, 1956BloodOpen Access

Erythrokinetics in Pernicious Anemia

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Authors

CFClement A. FinchUniversity of Missouri–St. Louis DCDaniel H. ColemanUniversity of Washington AMArno G. MotulskyHudson Institute

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Implication

Clinical evaluation reveals ineffective erythropoiesis and accelerated red cell destruction in pernicious anemia, indicating vitamin B12 restores effective production.

Key Points

Quantify bone marrow erythropoietic activity along with circulating red blood cell production and destruction rates in pernicious anemia before and during vitamin B12 therapy.
Measured total erythropoietic marrow activity via heme component turnover in patients with pernicious anemia in relapse and during therapeutic response.
Assessed circulating red cell survival, destruction rates, and delivery to peripheral blood alongside reticulocyte dynamics.
Total marrow erythropoiesis operated at approximately 3 times normal in relapse, but delivery of viable red cells remained normal or lower, demonstrating predominantly ineffective erythropoiesis.
Circulating red blood cell destruction increased to approximately 3 times normal rates, driving anemia in combination with defective marrow output.
Vitamin B12 therapy converted ineffective erythropoiesis into effective blood production without altering total marrow activity, accelerating viable red cell output to 3 to 4 times normal.

Cite This Study

Finch et al. (1956) studied this question.

synapsesocial.com/papers/6a6f70edfe4101aa97dfc871 https://doi.org/10.1182/blood.v11.9.807.807

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Implication

Clinical evaluation reveals ineffective erythropoiesis and accelerated red cell destruction in pernicious anemia, indicating vitamin B12 restores effective production.

Erythrokinetics in Pernicious Anemia

Discussion

Member takes

Implication

Key Points

Cite This Study

Erythrokinetics in Pernicious Anemia

Discussion

Member takes

Implication

Key Points

Cite This Study

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