Table 5 Previously reported results of oral administration of TXA in total knee arthroplasty.

From: Tranexamic acid in primary total knee arthroplasty without tourniquet: a randomized, controlled trial of oral versus intravenous versus topical administration

Authors

Year

Study design

Dosing regimens

Tourniquet

Drain

No. of patients

Reduced blood loss

Reduction of Hb

Thromboembolic complications

No. of transfusion

TXA

Control

TXA

Control

TXA

Control

Zohar et al.

2004

RCT

1 g TXA 60 min before surgery; 1 g TXA every 6 h for 3 times

Yes

Yes

20

20

Significant

NA

0

0

4

12

Charoencholvanich et al.

2011

RCT

10 mg/kg before deflation; 0.5 g oral TXA for 5 days

Yes

Yes

50

50

Significant

Significant

0

0

28

45

Alipour et al.

2013

RCT

1 g oral TXA before surgery; 1 g oral TXA every 6 h for 18 h postoperatively

Yes

Yes

26

27

Significant

NA

0

0

NA

NA

Lee et al.

2017

RCT

1 g oral TXA 2 hours before surgery; 1 g oral TXA 6 and 12 h postoperatively

Yes

Yes

95

95

Significant

Significant

1 DVT/1 PE

1 DVT/0 PE

1

3

Yuan et al.

2017

RCT

20 mg/kg oral TXA 2 hours before surgery; 2 g oral TXA 12 h postoperatively

Yes

Yes

140

140

NA

Significant

1 DVT/0 PE

1 DVT/0 PE

15

36

  1. NA = not available, RCT = randomized controlled trial, DVT = deep venous thrombosis, and PE = pulmonary embolism.