Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.4.21.6 (thromboplastin)
 13,278 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The hemostasis profiles of 24 dogs with histologically confirmed hemangiosarcoma were prospectively evaluated. Microangiopathic hemolysis was defined as the presence of schistocytes; disseminated intravascular coagulation was defined as 1) thrombocytopenia, 2) fibrin(ogen) degradation products greater than 10 micrograms/mL, 3) prolongation of one or more coagulation times (activated partial thromboplastin time or one-stage prothrombin time) by greater than 25% of the control, 4) fragmented red blood cells (greater than or equal to 1+ based on a semiquantitative grading scale), and 5) fibrinogen less than or equal to 80 mg/dL. Three of the five criteria listed above had to be met for disseminated intravascular coagulation to be diagnosed. Fifty percent of the dogs were considered to have disseminated intravascular coagulation at presentation. Thrombocytopenia was present in 75% of the dogs and was the most common abnormality. The mean platelet count was 137,800/microL. Twenty-five percent of the dogs died as a result of the hemostatic abnormalities. Only 12% of the dogs had microangiopathic hemolysis without other evidence of disseminated intravascular coagulation. Hemostatic abnormalities are present in many dogs with hemangiosarcoma at the initial clinical presentation and represent an important clinical finding.
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PMID:Hemostatic abnormalities in dogs with hemangiosarcoma. 202 11

Eight cats with visceral or cutaneous hemangiosarcoma were evaluated, and unusual metastatic and clinicopathologic behavior was evident in each. Cutaneous hemangiosarcoma is generally believed to be locally aggressive and slow to metastasize. These 8 cats with cutaneous hemangiosarcoma, however, developed metastatic disease after initial surgical resection; only 1 had local regrowth of the tumor. All cats with visceral hemangiosarcoma had metastasis at the time of diagnosis, which is consistent with cats of other reports. Three of 8 cats had evidence of disseminated intravascular coagulation, including increased prothrombin time and partial thromboplastin time, decreased number of platelets, and anemia. These potential complications need to be considered when planning diagnostic and treatment protocols.
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PMID:Unusual metastatic behavior and clinicopathologic findings in eight cats with cutaneous or visceral hemangiosarcoma. 1008 16

A prospective randomized, double-blind clinical trial was performed to test the hypothesis that dogs with malignancies that are supplemented with n-3 fatty acids do not have clinical or laboratory evidence of coagulation disorders or altered platelet function when compared with unsupplemented dogs with similar malignancies. Thirteen dogs with hemangiosarcoma and 66 dogs with lymphoma were evaluated. Coagulation status of the dogs with lymphoma and hemangiosarcoma was evaluated with prothrombin time, partial thromboplastin time, platelet count, and in vitro platelet aggregometry using the whole-blood method. These tests were performed at 5 time points: before beginning the diet (week 0), at weeks 3, 15, and 21, and at 1 year or when progressive disease was evident. Alterations in platelet function in dogs receiving a diet supplemented with dietary n-3 fatty acids were not identified when compared to dogs fed a control diet. Dietary n-3 fatty acid supplementation using this dosage and ratio in dogs with lymphoma or hemangiosarcoma did not induce clinically significant hemorrhage in these animals. Therefore, supplementation with n-3 fatty acids did not result in clinical or laboratory evidence relating to uncontrolled hemorrhage in these dogs.
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PMID:Platelet function in dogs treated for lymphoma and hemangiosarcoma and supplemented with dietary n-3 fatty acids. 1058 59