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Table 2 Dose and method for topical and intravenous administration of TXA

From: Comparison of the effectiveness and safety of topical versus intravenous tranexamic acid in primary total knee arthroplasty: a meta-analysis of randomized controlled trials

Author/s

Intervention

Methods of administration the tranexamic acid

Transfusion criteria

Thromboprophylaxis

Topical

IV

Topical

IV

Gomez-Barrenna 2014 [27]

3 g/100 mL

15 mg/kg. 2 doses

One dose irrigated before joint closure, and the other half was administered intra-articularly after skin closure

Fifteen to 20 min before tourniquet release and 100 mL 3 h

Hb <80 g/L

NS

Patel JN 2014 [31]

2 g TXA/ 100 mL NS

10 mg/kg ∗ 1 dose

2 min TA before tourniquet release, with drain

One dose as IO

Hb b 8.0 g/dL + symptom

LMWH

Maniar RN 2012 [30]

3 g TXA/100 mL NS

10 mg/kg ∗ 1 dose

10 mg/kg ∗ 2 doses

10 mg/kg ∗ 2 doses

10 mg/kg ∗ 3 doses

5 min TXA before tourniquet release, clamp drain 2 h then fully open

One dose as IO

Two doses as IOPO

Two doses as POIO

Three doses at POIOPO

Hb b 8.5 g/dL

Hb b 10.0 g/dL + symptom

LMWH

Seo JG 2013 [33]

1.5 g TXA/100 mL

1.5 g TXA/100 mL, NS

IXA while suturing, with no clamp drain

One dose at post-operative

Hb b 8.0 g/dL

Hb b 10.0 g/dL + symptoms

NS

Sarzaeem MM 2014 [32]

1.5 gTXA/100 mL NS

3.0 gTXA/100 mL NS

1.5 g TXA/100 mL, NS

1.5 g TXA: IXA injected through the drain after wound closure 3 g TXA: 5 min TXA before suturing, clamp drain 1 h then fully open

One dose at post-operative

Hb b 7.0 g/dL

Hb b 10.0 g/dL + symptom

NS

Soni A 2014 [34]

3 g TXA/100 mL

10 mg/kg ∗ 3 doses

5 min TXA before tourniquet release, clamp drain 2 h then fully open

Three doses as POIOPO

Hb b 8.0 g/dl

LMWH

Tang Lian 2014 [29]

500 mg/5 mL

10 mg/5 mL

Intra-articular injection after suction without drain

Intravenous 15 min before tourniquet release

Hb <90 g/L

LMWH

Han Wenfeng 2014 [26]

1 g/50 mL

15 mg/kg, maximum 1.2 g

Spray the TXA before suction and clamp drain for 30 min then fully open

Induction of general anesthesia

Hb <70 g/L

LMWH

Aguilera X 2015 [24]

1 g/10 mL

1 g * 2 doses

The TXA was applied by syringe spray and drain was kept closed during the first hour and removed 24 h after surgery

Patients in the control group received a slow IV infusion

Hb <80 g/L

Hb <80 g/L + symptoms between 8.5 and 9 g/dL + symptoms

LMWH

Digas G 2015 [25]

2 g

15 mg/kg 1 dose

Intra-articular

Before deflation of the tourniquet

Hb <85 g/L

Hb <95 g/L + symptoms

3.500 IU of tinzaparin

Jiang Hua 2015 [28]

2 g/100 mL

10 mg/kg 1 dose

Intra-articular

Before closing the wound

NS

Enoxaparin and Rivaroxaban

Hou zhenyang 2015 [36]

500 mg/10 mL

10 mg/kg 1 dose

Intra-articular

Before insert the prosthesis

Hb <70 g/L

Rivaroxaban

  1. NS not stated, Hb hemoglobin, LMWH low molecular weight heparin, IO intra-operative, IOPO intra-operative and postoperative, POIO postoperative and intra-operative, POIOPO postoperative, intra-operative, and postoperative, TXA tranexamic acid