References
- Van Cott EM, Laposata M, Coagulation. In: Jacobs DS, et al. editor. The laboratory test handbook. 5th ed. Cleveland: Lexi-Comp; 2001. p 327–358.
- Springhouse PA. The illustrated guide to diagnostic tests: Springhouse. 1993. p 52–65.
- Rao LV, Okorodudu AO, Petersen JR., Elghetany MT. Stability of prothrombin rime and activated partial thromboplastin time tests under different storage conditions. Clin Chim Acta 2000;300(1–2):13-21.
- Hassett AC. Laboratory monitoring of anticoagulant therapy. Arch Pathol Lab Med 1999;122:768–807.
- Kaufman RJ. Biological regulation of factor VIII activity. Annu Rev Med 1992;43:325–339.
- Bhopale GM, Nanda RK. Blood coagulation factor VIII: An overview. J Biosci 2003;28:783–789.
- Duncan EM, Casey CR, Duncan BM, Lloyd JV. Effect of concentration of trisodium citrate anticoagulant on calculation of the international normalized ratio and the international sensitivity index of thromboplastin. Thromb Haemost 1994;72:84–88.
- Narayanan S. Preanalytical aspects of coagulation testing. Haematolgica 1995;80 (suppl 2):1–6.
- Kluft C, Meijer P. Pre-analytical requirements in fibrinolysis. Montpellier meeting: The impact of the pre-analytical phase on the quality of laboratory results in haemostasis. October 14; France: Montpellier; 1996. p 3–5.
- Bussey H, Francis JL and the Heparin Consensus Group. Heparin overview and issues. Pharmacotherapy 2004; 24:103S–107S.
- Adcock D, Kressin D, Marlar R. The effect of time and temperature variables on routine coagulation tests. Blood Coagul. Fibrinolysis 1998;9:463–470.
- National Committee for Clinical Laboratory Standards. Collection, transport and processing of blood specimens for coagulation testing and general performance of coagulation assays: Approved guideline H21A3, 11(23)3rd ed. Pennsylvania: Wayne; 1998.
- Poller L, Thomson JM. The activated partial thromboplastin time (APTT). In: Jespersen J, Birtina RR, Haverkate FA, editors. Manual of laboratory techniques. Hingham, M.A.: Kluwer Academic Publishers; 1992.
- Brandt JT, Triplett DA, Bovill EG, Arkin ChF. Effect of lupus anticoagulants on activated partial thromboplastin time. Arch Pathol Lab Med 1991;115:109–114.
- Nelson S, Pritt A, Marlar RA. Rapid preparation of plasma for stat coagulation testing. Arch Pathol Lab Med 1994; 118:175–176.
- Heil W, Grunewald R, Amend M, Heins M. Influence of time and temperature on coagulation analytes in stored plasma. Clin Chem Lab Med 1998;36:459–462.
- Hirsh J, Warkentin TE, Shaughnessy SG. Heparin and low-molecular-weight heparin: Mechanisms of action, pharmaco-kinetics, dosing, monitoring, efficacy, and safety. Chest 2001;119(1S):64–94.
- Levine MN, Hirsh J, Gent M. A randomized trial comparing activated thromboplastin time with heparin assay in patients with acute venous thromboembolism requiring large daily doses of heparin. Arch Intern Med 1994;154:49–56.
- Francis JL, Groce III, JB and the Heparin Consensus Group. Challenges in variation and responsiveness of unfractionated heparin. Pharmacotherapy 2004;24(8 Pt 2):108S–119S.
- O’Neill EM, Rowley J, Hansson-Wicher M, McCarter S, Ragno G, Valeri CR. Effect of 24 h whole-blood storage on plasma clotting factors. Transfusion 1999;39: 488–491.