• Hyo-Seok Na, Hyun-Jung Shin, and Sang-Hwan Do.
• Department of Anaesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Gyeonggi-do, Republic of Korea.
• Blood Coagul. Fibrinolysis. 2016 Apr 1; 27 (3): 340-6.

AbstractThis retrospective study evaluated the association between maximum clot firmness of FIBTEM (MCFFIB) and blood loss, and determined a cutoff value of MCFFIB that may predict massive bleeding in total hip replacement arthroplasty (THRA). Seventy-two adult patients undergoing THRA for avascular necrosis of the femoral head or degenerative arthritis of the hip were included. Patients' medical records were reviewed to collect pre and postoperative laboratory data, as well as the amount of intra and postoperative blood loss (IBL and PBL). Each pre and postoperative fibrinogen level had a significant correlation with the pre and postoperative MCFFIB, respectively (ρ = 0.289, P = 0.014 and ρ = 0.286, P = 0.015). IBL had significant correlations with pre and postoperative MCFFIB (ρ = -0.305, P = 0.010 and ρ = -0.297, P = 0.013, respectively), and PBL also showed significant correlations with the pre and postoperative MCFFIB (ρ = -0.471, P < 0.001 and ρ = -0.475, P < 0.001, respectively). A respective pre or postoperative MCFFI cutoff value of 16 mm or less or 10 mm or less showed the highest sensitivity and specificity for predicting IBL 1000 ml or above or PBL 400 ml or above. Postoperative transfusion was performed more frequently in patients showing postoperative MCFFIB 10 mm or less (31 vs. 3.3%, P = 0.005). MCFFIB correlated well with the amount of IBL or PBL. In addition, a particular value of pre or postoperative MCFFIB could offer the predictive standard for massive bleeding in THRA.

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