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Table 1 Study drug administration

From: Assessment of the effect of addition of 24 hours of oral tranexamic acid post-operatively to a single intraoperative intravenous dose of tranexamic acid on calculated blood loss following primary hip and knee arthroplasty (TRAC-24): a study protocol for a randomised controlled trial

 

Up to 30 mins pre KTS

+ 2 h

post KTS

+ 10 h

post KTS

+ 18 h

post KTS

+ 26 h

post KTS

Intervention group 1

Normal creatinine <120 μmol/L

1 g

TXA IV

1 g

TXA oral

1 g

TXA oral

1 g

TXA oral

1 g

TXA oral

Intervention group 1

High (A) creatinine level 120–249 μmol/L

0.5 g

TXA IV

0.5 g

TXA oral

0.5 g

TXA oral

0.5 g

TXA oral

0.5 g

TXA oral

Intervention group 1

High (B) creatinine level 250–499 μmol/L

0.5 g

TXA IV

0.5 g

TXA oral

0.5 g

TXA oral

Intervention group 1

High (C) creatinine level ≥ 500 μmol/L

0.5 g

TXA IV

0.5 g

TXA oral

Intervention group 2

Normal creatinine level < 120 μmol/L

1 g

TXA IV

Intervention group 2

High (A) creatinine level 120–249 μmol/L

0.5 g

TXA IV

Intervention group 2

High (B) creatinine level 250–499 μmol/L

0.5 g

TXA IV

Intervention group 2

High (C) creatinine level ≥ 500 μmol/L

0.5 g

TXA IV

Control group 3 – no TXA

All creatinine levels

  1. IV intravenous, KTS knife to skin, TXA tranexamic acid