Preanalytical activities, especially those directly connected with blood sample collection and
handling, are the most vulnerable steps throughout the testing process. The receipt of …

Sažetak Phlebotomy is often addressed as a crucial process in the pre-analytical phase, in
which a large part of laboratory errors take place, but to date there is not yet a consolidated …

Objective To determine if the quality of venipuncture impacts thromboelastography (TEG)
results and if an initial discard tube mitigates any effects of traumatic venipuncture. Design …

Abstract The Clinical and Laboratory Standards Institute (CLSI) recently abandoned its
recommendation for drawing a discard tube when performing a prothrombin time …

Discard tubes have traditionally been obtained when drawing samples for coagulation
testing to avoid potential tissue factor activation of coagulation in the first tube that may lead …

Objective—To compare prothrombin time (PT), activated partial thromboplastin time (APTT),
and fibrinogen concentration in canine blood samples collected via an indwelling IV catheter …

Introduction The 'order of draw'has been advocated since 1982 to reduce the risk of cross‐
contaminating blood tubes with additives from a previously filled tube. Methods We studied …

Background Deviation in blood collection procedures is a central source of preanalytical
variation affecting overall analytical and diagnostic precision. The order of draw of venous …

Tissue thromboplastin may contaminate the first tube sample due to the trauma of the
venipuncture, and therefore, affect the accuracy of coagulation testing. This practice was …

Background In this study, the authors attempted to determine if there was any effect of tube
filling order on both routine (prothrombin time [PT], activated partial thromboplastin time …