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Cited by 237

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Concurrent Sickle-Cell Anemia and α-Thalassemia: Effect on Severity of Anemia

Embury, Stephen H., Dozy, Andree M., Miller, Judy, Davis, J. R., Kleman, Klara M., Preisler, Haiganoush, Vichinsky, Elliott, Lande, William N., Lubin, Bertram H., Kan, Y. W., Mentzer, William C.·1982·New England Journal of Medicine

Abstract

We studied 47 patients with sickle-cell anemia to determine the effect of alpha-thalassemia on the severity of their hemolytic anemia. We diagnosed alpha-thalassemia objectively by using alpha-globin-gene mapping to detect alpha-globin-gene deletions, studying 25 subjects with the normal four alpha-globin-genes, 18 with three, and four with two. The mean hemoglobin, hematocrit, and absolute reticulocyte levels (+/- S.D.) were 7.9 +/- 0.9 g per deciliter (4.9 +/- 0.6 mmol per liter), 22.9 +/- 2.9 per cent, and 501,000 +/- 126,000 per cubic millimeter, respectively, in the non-thalassemic group; 9.8 +/- 1.6 g per deciliter (6.1 +/- 1.0 mmol per liter), 29.0 +/- 5.0 per cent, and 361,000 +/- 51,000 per cubic millimeter in the group with three alpha-globin genes; and 9.2 +/- 1.0 g per deciliter (5.7 +/- 0.6 mmol per liter), 27.5 +/- 3.0 per cent, and 100,000 +/- 15,000 per cubic millimeter in the group with two alpha-globin genes. Deletion of alpha-globin genes was also accompanied by a decreased mean corpuscular hemoglobin concentration (MCHC) in post-reticulocyte erythrocytes and by increased hemoglobin F levels. The decreased intraerythrocytic hemoglobin S concentration and elevated hemoglobin F levels associated with alpha-thalassemia appear to diminish the degree of hemolytic anemia found in sickle-cell disease.

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Metadata

Authors
Embury, S. H., Dozy, A. M., Miller, J., Davis, J. R., Kleman, K. M., Preisler, H., Vichinsky, E., Lande, W. N., Lubin, B. H., Kan, Y. W., & Mentzer, W. C.
Venue
New England Journal of Medicine
Published
1982-02-04
Volume
306
Issue
5
Pages
270-274
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2024571301
Cited by
237
References
2
FWCI
9.30
Type
journal article
Language
en
Open access
closed

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Embury, S. H., Dozy, A. M., Miller, J., Davis, J. R., Kleman, K. M., Preisler, H., Vichinsky, E., Lande, W. N., Lubin, B. H., Kan, Y. W., & Mentzer, W. C. (1982). Concurrent Sickle-Cell Anemia and α-Thalassemia: Effect on Severity of Anemia. New England Journal of Medicine. https://doi.org/10.1056/nejm198202043060504

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