Observational Study
Copyright ©The Author(s) 2021.
World J Orthop. Aug 18, 2021; 12(8): 555-564
Published online Aug 18, 2021. doi: 10.5312/wjo.v12.i8.555
Table 2 Perioperative thromboelastography findings in patients undergoing total hip arthroplasty
TEG parameter
Type
Baseline
Mid-point of surgery
End of surgery
Post-op day 1
Post-op day 2
Post-op day 5
Reaction time (R time, min)GA3.0 (2.6-3.6)2.4 (1.8-3.1)2.2 (1.8-2.4)2.9 (2.1-3.8)3.1 (2.3-5.0)4.0 (2.4-5.2)
SA3.0 (2.7-3.8)2.5 (1.3-3.0)a2.2 (1.4-2.4)b2.9 (2.3-41)2.8 (2.3-3.7)3.8 (2.7-5.7)
Clot kinetics time (K time, min)GA4.2 (3.6-5.1)3.3 (2.5-4.1)3.0 (2.8-3.4)3.9 (2.6-5.6)3.7 (2.7-6.4)5.3 (3.3-7.1)
SA4.4 (3.8-5.1)3.2 (2.0-4.1)a2.8 (2.3-3.3)b4.2 (3.2-5.8)3.7 (2.9-5.0)5.4 (3.9-8.0)
Clot formation angle (degrees)GA36 (30-43)50 (39-58)43 (34-53)44 (33-54)46 (31-58)41 (33-50)
SA35 (29-40)47 (36-57)b45 (40-57)b43 (28-49)49 (37-57)b36 (25-47)
Maximum amplitude (mm)GA62 (56-68)68 (63-71)65 (54-71)71 (66-76)a77 (70-81)b77 (74-81)b
SA61 (54-65)64 (59-69)63 (58-68)69 (66-75)b74 (70-81)b78 (72-82)b
Clot lysis (LY60%)GA5 (3-6)4 (3-7)4 (2-7)6 (2-7)5 (3-6)3 (1-4)
SA4 (4-6)4 (2-5)4 (2-4)7 (5-10)a5 (4-9)3 (2-7)