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Comparison of single versus double tranexamic acid dose regimens in reducing post-operative blood loss following intramedullary nailing of femoral fracture nonunions

Orthopaedic Unit, Department of Surgery, Federal Medical Centre Bida, P.M.B. 14, Bida, Niger State, Nigeria. drshodipo@gmail.com. Department of Orthopaedic Surgery, Federal Medical Centre Birnin-Kudu, Birnin-Kudu, Jigawa State, Nigeria. Department of Orthopaedics, University of Maiduguri Teaching Hospital, Maiduguri, Borno State, Nigeria. Orthopaedic Unit, Department of Surgery, Abubakar Tafawa Balewa University Teaching Hospital Bauchi, Bauchi, Bauchi State, Nigeria. Orthopaedics and Trauma Department, Usmanu Danfodiyo University Teaching Hospital Sokoto, Sokoto, Sokoto State, Nigeria. Department of Orthopaedics, National Orthopaedic Hospital Dala, Kano, Kano State, Nigeria. Orthopaedic Unit, Department of Surgery, Federal Medical Centre Bida, P.M.B. 14, Bida, Niger State, Nigeria. Department of Orthopaedics and Trauma Surgery, National Orthopaedic Hospital Igbobi, Lagos, Lagos State, Nigeria.

International orthopaedics. 2021
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PICO Summary

Population

Patients undergoing open interlocking intramedullary nailing of femoral fracture nonunions (n= 61).

Intervention

Single dose of tranexamic acid – at pre-incision (Group A, n= 30).

Comparison

Double dose of tranexamic acid – at pre-incision and at the completion of wound closure (Group B, n= 31).

Outcome

Group A had a mean drain volume of 274.80 ml (± 103.93 ml) while group B had a mean of 187.94 ml (± 41.95 ml) and the difference was found to be statistically significant.
Abstract
INTRODUCTION AND AIM OF STUDY Tranexamic acid has been found to be effective in reducing peri-operative blood loss and is widely used across surgical specialties including orthopaedic surgery. However, there is still no consensus on the most appropriate and effective dose regimen. This study therefore compared the efficacy of single versus double dose regimens in patients that had interlocking intramedullary nailing by assessing the volume of drain output with the objective of determining the more effective regimen. METHODS The study was a multicenter prospective study amongst adult patients who had interlocking intramedullary nailing for femoral nonunions. Following ethical approval, consent was obtained from eligible patients who were randomly assigned into two study groups. Group A patients had single pre-incision tranexamic acid bolus of one gram while group B patients had a second (repeat) one gram bolus (at the completion of wound closure). The volume of drain output at 48 h postop was the primary outcome measure and data collection was via an online data collection form linked to the google drive of the principal investigator. The mean of the drain output of the two groups was compared for statistical significance. RESULTS A total of 61 patients participated in the study with 30 patients in group A and 31 patients in group B. The demographic data and duration of fracture were comparable in the two groups. Group A had a mean drain volume of 274.80 ml (± 103.93 ml) while group B had a mean of 187.94 ml (± 41.95 ml) and the difference was found to be statistically significant. (P, 0.000). CONCLUSION The findings suggest that double dose perioperative tranexamic acid regimen is superior to single-dose peri-operative tranexamic acid regimen in reducing post-operative blood loss in patients undergoing interlocking intramedullary nailing for femoral nonunions.
Study details
Language : eng
Credits : Bibliographic data from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine