Results 241 to 250 of about 143,882 (299)

Hemostatic abnormalities at the time of fetal death: A retrospective study evaluating the prevalence and relevance of targeted testing

International Journal of Gynecology &Obstetrics, Volume 173, Issue 2, Page 1005-1011, May 2026.
Abstract Objective To assess the prevalence of hemostasis abnormalities at the time of fetal death diagnosis. Methods This retrospective single‐center study included all fetal deaths between 22 and 42 weeks from July 2017 to December 2023, excluding multiple pregnancies, patients on anticoagulant therapy, and those with known pre‐existing coagulation ...
Chloé Lieng, Catherine Fischer, Aude Girault   +2 more
wiley   +1 more source

Plasma Prothrombin Time in Skin Diseases

The Tohoku Journal of Experimental Medicine, 1956
openaire   +3 more sources

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Prothrombin Time Standardization

Acta Clinica Belgica, 1987
SummaryAs recommcndcd by the proper authorities, the prothrombin time results for patients under oral anticoagulant therapy arc reported by our laboratory in International Normalized Ratios (I.N.R.).For the calculation of the INR-values we use a calibration factor, the International Sensitivity Index (I.S.I.), provided by the manufacturer of the ...
L, Hameeuw, L, Sierens, A, Lust
openaire   +2 more sources

ESTIMATION OF PROTHROMBIN TIME

Journal of the American Medical Association, 1948
To the Editor:— The opinion grows that the results of estimation of prothrombin time should be reported in terms of per cent or of per cent of normal. Recently, a plea has been made that the practice be made universal (Allen, E. V.:The Journal, page 323, May 24, 1947).
S, SHAPIRO, M, WEINER
openaire   +2 more sources

Cefoperazone and Prothrombin Time

Annals of Internal Medicine, 1987
Excerpt To the editor: In their article on the relationship between beta-lactam antibiotics and coagulopathy, Sattler and colleagues (1) cited our results (2) from a multicenter trial of cefoperazo...
M S, Cohen, H E, Washton
openaire   +2 more sources

Simplified Prothrombin Time Standardization

Pathophysiology of Haemostasis and Thrombosis, 1994
An analysis of prothrombin time (PT) standardization methods is presented. The present recommended ratio method demonstrated complex calibration and wide therapeutic ranges. Standardization by coagulation activities resulted in different therapeutic ranges due to the different sensitivity of assays for the protein induced by vitamin K absence (Pivka ...
I, Talstad, K, Korsbrekke
openaire   +2 more sources

ONE-STAGE PROTHROMBIN-TIME TEST

The Lancet, 1953
openaire   +4 more sources

Thromboplastin Time (Prothrombin Time)

1965
Publisher Summary This chapter elaborates thromboplastin time that is, prothrombin time. Blood plasma contains 300–400 mg% fibrinogen, and during coagulation of blood this is converted to insoluble fibrin by thrombin. The highly active enzyme thrombin is formed from an inactive precursor, prothrombin.
openaire   +1 more source

One-stage Prothrombin Time Survey

American Journal of Clinical Pathology, 1970
Results of a one-stage prothrombin time proficiency testing program are reported. Fifty-three participating laboratories using various technics and reagents performed onestage prothrombin time tests on four plasma specimens. These results were compared with determinations performed by eight reference laboratories. Basing acceptability of performance on
S, Zucker, E, Brosious, G R, Cooper
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Prothrombin Time

Annals of Internal Medicine, 1982
B A, Cooper, M, Leznoff
openaire   +2 more sources