Tranexamic Acid (TXA) - Adult
AEMT/PARAMEDIC Standing Order:
Adult:
INDICATIONS:
- Evidence of significant blunt or penetrating trauma (e.g. ejection from automobile, fall > 20 feet, pedestrian struck, penetrating injury to neck, torso, etc.)
- Evidence or concern for severe external and/or internal haemorrhage (bleeding requiring tourniquet, amputation proximal to wrist or ankle, unstable pelvis, two or more long bone fractures, concern for significant intra-thoracic or intra-abdominal injury, etc.)
- Presence of one or more markers of hemodynamic instability:
- Sustained BP < 90
- Sustained HR > 110 after pain adequately treated.
- Injury must have occurred within the past 3 hours.
CONTRAINDICATION:
- < 15 years old • Previous allergic reaction to TXA
- Isolated head injury
- Injury > 3 hours’ old
- Patients who have received or will receive prothrombin complex concentrate (PCCs), factor VIIa, or factor IX complex concentrates
- Women who are known or suspected to be pregnant with a fetus of viable gestational age. ( > 24 weeks).
PROCEDURE:
Mix 1 g of TXA in 100 mL of 0.9% NaCl or LR. Infuse via wide-open IV/IO bolus over approximately 10 minutes. Notify the receiving facility of TXA administration prior to arriving OUR PROTOCOL IS TO MIX 1g/100ml.
PEARLS:
- The greatest benefit is seen when TXA is administered to patients within 1 hour of injury.
- Rapid IV push may cause hypotension.
- If there is a new onset of hypotension, slow the TXA infusion.
- Protect patients from extremes in temperatures.
- Do not administer in the same line as blood products, or PCN (penicillin).
- Good documentation of time of injury, and time of TXA administration is necessary.