Abstract
Background
Blood loss in total knee arthroplasty (TKA) is an area of significant concern as it has an effect on patient morbidity and hospital stay. Among many different modalities to reduce blood loss, the use of Tranexamic acid has become a standard procedure nowadays. The aim of our study was to determine if Tranexamic acid alone decreases blood loss as an independent variable irrespective of other blood loss preserving measures.
Method
This prospective non-randomized study included patients undergoing unilateral TKA by conventional method (Group 1) and computer-assisted TKA (Group 2). All the patients in both groups received Tranexamic acid in a dose of 10 mg/kg body weight prior to inflation of tourniquet. Blood loss in both the groups was calculated using Nadler’s formula, and haemoglobin (Hb) level was calculated on day one and day three after surgery.
Results
The mean drop of Hb in Group 1 was 1.608 and 1.56 g/dl in Group 2 which was statistically significant (p < 0.001); however, none of the patients in either of the groups actually required any blood transfusion postoperatively. Although there was a significant drop in haemoglobin and haematocrit in both the groups, on comparison, there was no significant difference in blood loss and fall in Hb levels between the groups (p > 0.001).
Conclusion
Tranexamic acid decreases blood loss in patients undergoing TKA independent of all the other blood conserving procedures.
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All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
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Eachempati, K.K., Gurava Reddy, A.V., Apsingi, S. et al. A comparative analysis of the role of Tranexamic acid as an independent variable in reducing intraoperative blood loss in patients undergoing conventional total knee arthroplasty versus computer-assisted total knee arthroplasty. Musculoskelet Surg 101, 255–259 (2017). https://doi.org/10.1007/s12306-017-0477-9
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DOI: https://doi.org/10.1007/s12306-017-0477-9