Hemolytic anemia due to red cell pyruvate kinase (PK) deficiency is a metabolic disorder characterized by a variable degree of chronic nonspherocytic hemolytic . La deficiencia de piruvato cinasa es una causa rara de anemia hemolítica. Durante el embarazo, se ha tratado casos graves de esta deficiencia con. Anemia Hemolítica no esferocítica (AHCNE) por deficiencia de piruvato quinasa: informe del segundo caso en Costa Rica. Rev. costarric. cienc. méd [online].

Author: Docage Goltigal
Country: Brunei Darussalam
Language: English (Spanish)
Genre: Personal Growth
Published (Last): 21 September 2006
Pages: 170
PDF File Size: 3.35 Mb
ePub File Size: 15.68 Mb
ISBN: 307-6-51157-439-9
Downloads: 81075
Price: Free* [*Free Regsitration Required]
Uploader: Nikogul

Nevertheless, a transfusion was deemed so desperately needed that blood from a “universal donor” was given.

A highly regenerative anemia was first documented at 4 months of age, which persisted throughout life. Molecular basis of erythrocyte pyruvate kinase R-PK deficiency in cats. The dog had been previously transfused without blood typing and crossmatching. A highly regenerative anemia was first documented at 4 months of age, which persisted throughout life. Clinicians often do not consider hereditary RBC defects, as they are believed to occur rarely.

Breed-specific hereditary diseases and genetic screening. The dog was found to have persistently profound pallor, a highly regenerative hemoliitica anemia and osteosclerosis. Because PK deficiency causes a distal metabolic block in the anaerobic glycolytic pathway, the proximal glycolytic metabolites, including 2,3-diphosphoglycerate 2,3-DPGtend to accumulate, while distal metabolites like ATP become depleted in erythrocytes.

Determination of erythrocyte pyruvate kinase deficiency in Basenjis with chronic hemolytic anemia. History of any primary malignancy, with the exception of: Have exposure to any investigational drug, device, deficiencia de piruvato cinasa procedure within 3 months prior to the first dose of study treatment 6.

New York Times bestselling author James Grippando delivers a powerful, nonstop thrill ride ripped from the headlines. While dogs pirjvato not generally have any clinically relevant naturally occurring alloantibodies, they can develop antibodies piruvago blood groups and a common red cell antigen following transfusion, as seen in this case.


Piruvato quinase

Pyruvate kinase is one of two key-regulatory enzymes in the anaerobic glycolytic pathway, and its deficiency anemka premature destruction of the ATP-depleted anemoa cells. Hereditary red cell defects are important differential diagnoses for chronic hemolytic anemias in younger animals after excluding immune-mediated and infectious causes. Yelp is a fun An explanation for this blood incompatibility could be the presence of some other RBC antigen that could not be aemia by currently used methods of canine blood typing such as the Dal antigen.

J Small Anim Pract 49, For all other comments, please send your remarks via contact us. In dogs, PK deficiency causes a severe chronic and highly regenerative hemolytic anemia with progressive osteosclerosis, while in cats it is characterized by an intermittent hemolytic anemia without osteosclerosis.

Pathogenesis, laboratory diagnosis, and clinical implications of erytrocyte enzyme deficiencies in dogs, cats, and horses. Inherited erythrocyte pyruvate kinase deficiency in the West Highland White terrier. J Small Anim Pract 31, As there was also a decline in platelet and leukocyte counts, a hematopoietic failure for other reasons than Xeficiencia may have been present.

Orphanet: Anemia hemolítica por deficiencia de piruvato quinasa de los glóbulos rojos

Blood compatibility testing between recipient and a DEA 4 positive donor. Are currently pregnant or breastfeeding 9. Dogs with PK ddficiencia often have normal white blood cell counts.

J Small Anim Pract 49, However, no spherocytes, Heinz bodies, poikilocytes or infectious agents were detected, and the direct Coomb’s pirjvato was negative for IgG antibodies on RBCs. This case study reports the clinical and laboratory findings in a West Highland White Terrier WHWT dog with a life-long history of weakness and exercise intolerance from Brazil.


Consecuencias de la deficiencia PK en eritrocito by Sofía Herrera on Prezi

This case report describes the clinical course, laboratory alterations, molecular diagnosis, and management of the first PK-deficient Brazilian WHWT dog, suggesting the potential worldwide distribution of this disorder and that it possibly goes by under-diagnosed. Transfusions may be necessary, but testing for blood compatibility is important to ensure the safety and efficacy of transfusions.

Confirmation of the diagnosis requires molecular characterization. Deficuencia methods Diagnosis may be considered on the basis of the clinical features and laboratory findings: Molecular basis of erythrocyte pyruvate kinase R-PK deficiency in cats.

Canine dal hemolitoca type: Indeed, dogs can become sensitized to other RBC antigens than one can test for and thus be incompatible to even the “universal donor” Callan et alBlais et alKessler et al While PK-deficient cats and humans may also develop bilirubin calculi and gall bladder blockade, this has not been reported in PK-deficient dogs. Methaemoglobin reductase deficiency in dogs.

Hemolytic anemia caused by hereditary pyruvate kinase deficiency in a West Highland White Terrier dog. However, the hemoiltica of chronic, severe, highly regenerative, and Coomb’s negative hemolytic anemia in a young dog which is unresponsive to treatment should raise suspicion. Enzyme deficiencies may involve: Embarazada o en periodo de lactancia 9.