Pre-analytical issues in the haemostasis laboratory: Guidance for the clinical laboratories

被引：88
作者：
Magnette A. [1 ]
Chatelain M. [1 ]
Chatelain B. [1 ]
Ten Cate H. [2 ]
Mullier F. [1 ]
机构：
[1] Université catholique de Louvain, CHU UCL Namur, Namur Thrombosis and Hemostasis Center (NTHC), NARILIS, Haematology Laboratory, Yvoir
[2] Department of Internal Medicine, Maastricht University Medical Centre and Cardiovascular Research Institute (CARIM), Maastricht
来源：
Thrombosis Journal | / 14卷 / 1期
关键词：
Centrifugation; Coagulation assays; Dabigatran; Haemostasis assays; Idarucizumab; Microparticles; Pre-analytical phase; Recommendations;
D O I：
10.1186/s12959-016-0123-z
中图分类号：
学科分类号：
摘要：
Ensuring quality has become a daily requirement in laboratories. In haemostasis, even more than in other disciplines of biology, quality is determined by a pre-analytical step that encompasses all procedures, starting with the formulation of the medical question, and includes patient preparation, sample collection, handling, transportation, processing, and storage until time of analysis. This step, based on a variety of manual activities, is the most vulnerable part of the total testing process and is a major component of the reliability and validity of results in haemostasis and constitutes the most important source of erroneous or un-interpretable results. Pre-analytical errors may occur throughout the testing process and arise from unsuitable, inappropriate or wrongly handled procedures. Problems may arise during the collection of blood specimens such as misidentification of the sample, use of inadequate devices or needles, incorrect order of draw, prolonged tourniquet placing, unsuccessful attempts to locate the vein, incorrect use of additive tubes, collection of unsuitable samples for quality or quantity, inappropriate mixing of a sample, etc. Some factors can alter the result of a sample constituent after collection during transportation, preparation and storage. Laboratory errors can often have serious adverse consequences. Lack of standardized procedures for sample collection accounts for most of the errors encountered within the total testing process. They can also have clinical consequences as well as a significant impact on patient care, especially those related to specialized tests as these are often considered as diagnostic". Controlling pre-analytical variables is critical since this has a direct influence on the quality of results and on their clinical reliability. The accurate standardization of the pre-analytical phase is of pivotal importance for achieving reliable results of coagulation tests and should reduce the side effects of the influence factors. This review is a summary of the most important recommendations regarding the importance of pre-analytical factors for coagulation testing and should be a tool to increase awareness about the importance of pre-analytical factors for coagulation testing. © 2016 The Author(s)."
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