Business Wire

CLSI Publishes Guideline for One-Stage Prothrombin Time (PT) Test and Activated Partial Thromboplastin Time (APTT) Test

WAYNE, Pa.--(BUSINESS WIRE)--The PT and APTT are important screening tests used in laboratory evaluation of patients suspected to have disorders of blood coagulation, including the presence of ...
Medscape

Patient Is Clotting: What Do You Mean, the aPTT Is Prolonged?

Factor deficiency or inhibition. The possible causes of the isolated prolonged aPTT in this case include factor deficiencies and factor inhibitors. Prolongation of both the PT and aPTT suggests ...
clinicaladvisor.com

Most coagulation tests can be evaluated up to 8 hours after blood collection

(HealthDay News) — Most routine coagulation tests can be reliably evaluated after storage at room temperature for up to 8 hours after blood collection, according to a study published in the ...
Medscape

Discordant aPTT and Anti-Xa Values and Outcomes in Hospitalized Patients Treated With Intravenous Unfractionated Heparin

A retrospective observational study was conducted among adults hospitalized at Stanford Hospital between February 2009 and August 2009. All samples were simultaneously drawn and aPTT and anti-Xa ...
National Institute for Health and Care Excellence

Atrial fibrillation and heart valve disease: self-monitoring coagulation status using point-of-care coagulometers (the CoaguChek XS system)

Point-of-care coagulometers (the CoaguChek XS system and the INRatio2 PT/INR monitor) for self-monitoring coagulation status in people on long-term vitamin K antagonist therapy who have atrial ...