scholarly journals Acquired von Willebrand syndrome: von Willebrand factor propeptide to von Willebrand factor antigen ratio predicts remission status

Blood ◽  
2014 ◽  
Vol 124 (5) ◽  
pp. e1-e3 ◽  
Author(s):  
Adrienne Lee ◽  
Gary Sinclair ◽  
Karen Valentine ◽  
Paula James ◽  
Man-Chiu Poon
Keyword(s):  
Von Willebrand Factor ◽  
Acquired Von Willebrand Syndrome ◽  
Remission Status ◽  
Von Willebrand Factor Antigen ◽  
Key Points ◽  
Relapsing Remitting ◽  
Von Willebrand ◽  
Willebrand Factor ◽  
Factor Antigen ◽  
Von Willebrand Factor Propeptide

Key Points Remission status in relapsing-remitting AVWS depends on the balance of VWF clearance by anti-VWF antibody and VWF secretion. VWFpp:Ag ratio is a simple assay that provides information on this balance and predicts remission status in this case of AVWS.

scholarly journals Plasma levels of von Willebrand factor antigen in acute bronchitis and in a normal population

1998 ◽  
Vol 92 (3) ◽  
pp. 395-400 ◽  
Author(s):  
D.A.R. Boldy ◽  
P.E. Short ◽  
P. Cowen ◽  
F.G.H. Hill ◽  
D.C. Chambers ◽  
...  
Keyword(s):  
Von Willebrand Factor ◽  
Plasma Levels ◽  
Normal Population ◽  
Acute Bronchitis ◽  
Von Willebrand Factor Antigen ◽  
Von Willebrand ◽  
Willebrand Factor ◽  
Factor Antigen

scholarly journals Assessment of Plasma von Willebrand factor antigen in non-metastatic Prostate Cancerpatients: across-sectional study of the Sudanese Population

2019 ◽  
Author(s):  
Mohammed Othman Hashim ◽  
Gad Allah Modawe ◽  
Ibrahim Khider Ibrahim
Keyword(s):  
Prostate Cancer ◽  
Von Willebrand Factor ◽  
Enzyme Linked Immunosorbent Assay ◽  
Sectional Study ◽  
High Concentration ◽  
Cross Sectional ◽  
Von Willebrand Factor Antigen ◽  
Von Willebrand ◽  
Willebrand Factor ◽  
Factor Antigen

Backgrounds: VonWillebrand disease (VWD) is reportedly the most common inherited bleeding disorder and can also arise as an acquired syndrome (AVWS). These disorders arise due to defects and/or deficiency of the plasma protein von Willebrand factor (VWF)..High plasma vWF concentrations have been reported in patients with various types of cancer, such as prostatic cancer.Metastasization may be associated with activation of haemostatic processes resulting in increased levels of circulating factor VIII-related antigen (FVIIIRAg) (von Willebrand factor antigen). Objective: To evaluate the status of VWF AginSudanese patients with Prostate Cancer attending RICK Methodology: This is a cross-sectional study carried out in Khartoum state at Khartoum oncology (RICK) hospital, during the period from April to June 2018, 45 samples were collected from patients with non-metastatic CA prostate, their ages ranged between 51 to 82 years. The vWF level was measured using Enzyme-linked immunosorbent assay (ELISA). Data were analyzed by the statistical package for social science (SPSS).   Results: Serology for vWF antigen was done for 45 cases of prostate cancer. According to the age, 2(8%) of patients with age 51-66 had a high concentration of VWF while 24(92%) had normal vWF antigen concentration; of those with age 67-82 years, 4(21%) had high vWF antigen and 15(79%) had normal antigen. Conclusion: The study revealedthat more than 80% of Sudanese patients withnon-metastatic prostate cancer have anormal concentration of VWF. Keywords: vWF, Prostate cancer, Age, ELISA

von Willebrand factor antigen for detection of hepatopulmonary syndrome in patients with cirrhosis

2014 ◽  
Vol 61 (3) ◽  
pp. 544-549 ◽  
Author(s):  
Thomas Horvatits ◽  
Andreas Drolz ◽  
Kevin Roedl ◽  
Harald Herkner ◽  
Arnulf Ferlitsch ◽  
...  
Keyword(s):  
Von Willebrand Factor ◽  
Hepatopulmonary Syndrome ◽  
Von Willebrand Factor Antigen ◽  
Von Willebrand ◽  
Willebrand Factor ◽  
Factor Antigen
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