Results 221 to 230 of about 79,996 (276)
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Pseudo-prolongation of the Partial Thromboplastin Time
American Journal of Clinical Pathology, 1983A patient with a negative personal and family history for bleeding was being prepared for bronchoscopy when an extremely long activated partial thromboplastin time was detected. Analyses for the contact phase factors were normal. It was determined subsequently that the prolongation was artifactual.
Craig S Kitchens
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Prothrombin Time and Partial Thromboplastin Time Assay Considerations
Clinics in Laboratory Medicine, 2009Prothrombin times and activated partial thromboplastin times have long been used as tests of overall ("global") clotting function. Laboratory coagulation testing issues should be at the forefront of the reader's consciousness whenever critically evaluating and extrapolating published study conclusions reliant on the results of these tests.
Valerie L nG
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The Activated Partial Thromboplastin Time
Annals of Internal Medicine, 1986Excerpt To the editor: Suchman and Griner (1) conclude that the activated partial thromboplastin time adds "no information to the preoperative care of patients without clinical findings indicative ...
M L, Bashevkin, I U, Nawabi
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Partial Thromboplastin Time for Screening
Annals of Internal Medicine, 1979Excerpt To the editor: We read the report of Robbins and Rose in the May 1979 (1) with an interest heightened by our own experience.
N G, Baranetsky, P, Weinstein
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Partial Thromboplastin Time as a Screening Test
Annals of Internal Medicine, 1979Excerpt In recent years, the routine laboratory test has become an accepted part of medical practice.
J A, Robbins, S D, Rose
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Activated Partial Thromboplastin Time
2013Activated partial thromboplastin time (APTT) is a commonly used coagulation assay that is easy to perform, is affordable, and is therefore performed in most coagulation laboratories, both clinical and research, worldwide. The APTT is based on the principle that in citrated plasma, the addition of a platelet substitute, factor XII activator, and CaCl2 ...
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Erroneous Activated Partial Thromboplastin Time
Annals of Internal Medicine, 1978Excerpt To the editor: We wish to draw attention to the problem of erroneous results of activated partial thromboplastin times (aPTT) when plasma samples from patients on heparin are tested with th...
J, Owen, E, Payne, K, Carstairs
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Use of the Activated Partial Thromboplastin Time
Annals of Internal Medicine, 1988Excerpt To the Editor:In connection with a recent article (1), I pose a question. Should peridural anesthesia in women with otherwise normal bleeding history be preceded by coagulation tests to pre...
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