Eoghan Burke1, Patricia Harkins2, Ibrahim Ahmed3. 1. Royal College of Surgeons, Dublin, Ireland. 2. St James's Hospital, Dublin, Ireland. 3. Our Lady of Lourdes Hospital, Drogheda, Ireland.
Abstract
INTRODUCTION: Upper gastrointestinal (GI) bleeding is associated with increased morbidity and mortality. Tranexamic acid (TXA) is an antifibrinolytic agent which is licensed in the management of haemorrhage associated with trauma. It has been suggested that tranexamic acid may be able to play a role in upper GI bleeding. However, there is currently no recommendation to support this. AIM: The aim of this study was to synthesise available evidence of the effect of TXA on upper GI bleeding. METHODS AND MATERIALS: A systematic review was conducted. PubMed, EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL) were searched for relevant studies. A random effects meta-analysis was performed to determine the risk ratio of primary and secondary outcomes pertaining to the use of TXA in upper GI bleeding. RESULTS: A total of 8 studies were included in this systematic review. The total number of patients in all studies was 12994 including 4550 females (35%) and 8444 males (65%). The mean age of participants in 6 of the studies was 59.3; however the mean age for either intervention or placebo group was not reported in two of the studies. All studies reported on the effect of TXA on mortality, and the risk ratio was 0.95; however, with the 95% CI ranging from 0.80 to 1.13, this was not statistically significant. 6 of the studies reported on rebleeding rate, the risk ratio was 0.64, and with a 95% CI ranging from 0.47 to 0.86, this was statistically significant. 3 of the studies reported on the risk of adverse thromboembolic events, and the risk ratio was 0.93; however, the 95% CI extended from 0.62 to 1.39 and so was not statistically significant. 7 of the studies reported on the need for surgery, and the risk ratio was 0.59 and was statistically significant with a 95% CI ranging from 0.38 to 0.94. CONCLUSION: In conclusion, the use of TXA in upper GI bleeding appears to have a beneficial effect in terms of decreasing the risk of re-bleeding and decreasing the need for surgery. However, we could not find a statistically significant effect on need for blood transfusions, risk of thromboembolic events, or effect on mortality. Future randomised controlled trials may elucidate these outcomes.
INTRODUCTION: Upper gastrointestinal (GI) bleeding is associated with increased morbidity and mortality. Tranexamic acid (TXA) is an antifibrinolytic agent which is licensed in the management of haemorrhage associated with trauma. It has been suggested that tranexamic acid may be able to play a role in upper GI bleeding. However, there is currently no recommendation to support this. AIM: The aim of this study was to synthesise available evidence of the effect of TXA on upper GI bleeding. METHODS AND MATERIALS: A systematic review was conducted. PubMed, EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL) were searched for relevant studies. A random effects meta-analysis was performed to determine the risk ratio of primary and secondary outcomes pertaining to the use of TXA in upper GI bleeding. RESULTS: A total of 8 studies were included in this systematic review. The total number of patients in all studies was 12994 including 4550 females (35%) and 8444 males (65%). The mean age of participants in 6 of the studies was 59.3; however the mean age for either intervention or placebo group was not reported in two of the studies. All studies reported on the effect of TXA on mortality, and the risk ratio was 0.95; however, with the 95% CI ranging from 0.80 to 1.13, this was not statistically significant. 6 of the studies reported on rebleeding rate, the risk ratio was 0.64, and with a 95% CI ranging from 0.47 to 0.86, this was statistically significant. 3 of the studies reported on the risk of adverse thromboembolic events, and the risk ratio was 0.93; however, the 95% CI extended from 0.62 to 1.39 and so was not statistically significant. 7 of the studies reported on the need for surgery, and the risk ratio was 0.59 and was statistically significant with a 95% CI ranging from 0.38 to 0.94. CONCLUSION: In conclusion, the use of TXA in upper GI bleeding appears to have a beneficial effect in terms of decreasing the risk of re-bleeding and decreasing the need for surgery. However, we could not find a statistically significant effect on need for blood transfusions, risk of thromboembolic events, or effect on mortality. Future randomised controlled trials may elucidate these outcomes.
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