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Efficacy of local tranexamic acid treatment for prevention of bleeding after dental procedures: A systematic review and meta-analysis.

ABSTRACT: Background/purpose:Tranexamic acid (TA) is one of the commonly used local hemostatic agents for dental procedures and a previous study has demonstrated a significantly lower incidence of post-procedural bleeding (PPB) in patients taking warfarin and received local TA treatment after the dental procedures than those who took warfarin and did not receive local TA treatment. However, it is still unknown whether post-procedural local TA treatment can lower the bleeding risk to the same level as individuals who do not take oral anticoagulant (OAC). The current study aimed to compare the PPB risk in patients who took OAC and received local TA treatment after the dental procedures and individuals who did not take OAC and underwent similar dental procedures. Materials and methods:We systematically searched primary researches from two databases and four eligible cohort studies were identified. The bleeding incidence was collected from each study and the pooled odds ratio (OR) and 95% confidence interval (CI) of PPB were calculated using Mantel-Haenzel method. Results:The analysis revealed a higher risk of PPB in patients who took OAC and received local TA treatment after the dental procedures than individuals who did not take OAC and underwent similar dental procedures with the pooled OR of 2.4, although the pooled effect estimate had a relatively wide 95% CI with non-statistically difference (0.69-8.12). Conclusion:This study results serve as a reminder to dentists that the increased risk of PPB in those who took OAC is not entirely resolved by the local TA treatment.

SUBMITTER: Owattanapanich D

PROVIDER: S-EPMC6446020 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Efficacy of local tranexamic acid treatment for prevention of bleeding after dental procedures: A systematic review and meta-analysis.

Owattanapanich Duangrat D Ungprasert Patompong P Owattanapanich Weerapat W

Journal of dental sciences 20181122 1

<h4>Background/purpose</h4>Tranexamic acid (TA) is one of the commonly used local hemostatic agents for dental procedures and a previous study has demonstrated a significantly lower incidence of post-procedural bleeding (PPB) in patients taking warfarin and received local TA treatment after the dental procedures than those who took warfarin and did not receive local TA treatment. However, it is still unknown whether post-procedural local TA treatment can lower the bleeding risk to the same level ...[more]

PMID: 30988876

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Project description:ObjectiveTo assess the effect of tranexamic acid on blood transfusion, thromboembolic events, and mortality in surgical patients.DesignSystematic review and meta-analysis.Data sourcesCochrane central register of controlled trials, Medline, and Embase, from inception to September 2011, the World Health Organization International Clinical Trials Registry Platform, and the reference lists of relevant articles.Study selectionRandomised controlled trials comparing tranexamic acid with no tranexamic acid or placebo in surgical patients. Outcome measures of interest were the number of patients receiving a blood transfusion; the number of patients with a thromboembolic event (myocardial infarction, stroke, deep vein thrombosis, and pulmonary embolism); and the number of deaths. Trials were included irrespective of language or publication status.Results129 trials, totalling 10,488 patients, carried out between 1972 and 2011 were included. Tranexamic acid reduced the probability of receiving a blood transfusion by a third (risk ratio 0.62, 95% confidence interval 0.58 to 0.65; P<0.001). This effect remained when the analysis was restricted to trials using adequate allocation concealment (0.68, 0.62 to 0.74; P<0.001). The effect of tranexamic acid on myocardial infarction (0.68, 0.43 to 1.09; P = 0.11), stroke (1.14, 0.65 to 2.00; P = 0.65), deep vein thrombosis (0.86, 0.53 to 1.39; P = 0.54), and pulmonary embolism (0.61, 0.25 to 1.47; P=0.27) was uncertain. Fewer deaths occurred in the tranexamic acid group (0.61, 0.38 to 0.98; P = 0.04), although when the analysis was restricted to trials using adequate concealment there was considerable uncertainty (0.67, 0.33 to 1.34; P = 0.25). Cumulative meta-analysis showed that reliable evidence that tranexamic acid reduces the need for transfusion has been available for over 10 years.ConclusionsStrong evidence that tranexamic acid reduces blood transfusion in surgery has been available for many years. Further trials on the effect of tranexamic acid on blood transfusion are unlikely to add useful new information. However, the effect of tranexamic acid on thromboembolic events and mortality remains uncertain. Surgical patients should be made aware of this evidence so that they can make an informed choice.

Project description:ObjectivesThere is a lack of evidence about the use of local anaesthetics (LAs) in patients with cardiovascular diseases (CVD) in dental procedures. Thus, this study evaluated the safety of using LA with vasoconstrictor to determine the risk of cardiovascular events in patients with CVD.DesignSystematic review and meta-analysis.MethodsWe have searched in Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (via Ovid), EMBASE (via Ovid), Healthstar (via Ovid), CINAHL, Web of Science and ClinicalTrials.gov for randomised controlled trials (RCTs) up to January 2020. We have included RCTs involving adults with CVD within two groups: intervention group with LA with vasoconstrictor and control group with LA without vasoconstrictor. The primary outcomes assessed were death, mortality by a specific cause, stroke, acute myocardial infarction, hospitalisation, pain, bleeding and arrhythmias. The secondary outcomes were ST segment depression, anxiety, adverse effects and changes in haemodynamic parameters. The data were pooled using random effects meta-analyses and the confidence in the estimates was verified using the Grading of Recommendations Assessment, Development and Evaluation (GRADE).ResultsTen RCTs (n=478 participants) were included. Most of them had a high risk of bias. There were more cases of pain and bleeding in groups without vasoconstrictor. Meta-analysis demonstrated a decrease in the systolic blood pressure with the use of LA with vasoconstrictor (standard mean difference -0.95, 95% CI -1.35 to -0.55) after procedure. Overall, for the other outcomes assessed there was no statistical difference. The quality of evidence was considered low according to the GRADE profile.ConclusionsThe results suggest that the use of LA with vasoconstrictors (epinephrine in low doses) is safe in patients with some types of CVD. However, the low quality of evidence demonstrated that literature needs further studies in order to confirm these results.Protocol registrationPROSPERO (CRD42016045421).

Project description:ImportanceEvidence has emerged on the efficacy of tranexamic acid to control blood loss and postoperative complications after rhinoplasty.ObjectiveTo investigate the results of tranexamic acid use to reduce intraoperative bleeding, postoperative eyelid edema, and periorbital ecchymosis in rhinoplasty.Data sources and study selectionFor this systematic review of randomized clinical trials, searches were performed in PubMed, Cochrane Central Register of Controlled Trials, Web of Science, SCOPUS, Science Direct, Google Scholar, OpenThesis, and ClinicalTrials.gov from inception to December 23, 2017. Key words included tranexamic acid, rhinoplasty, and nasal surgical procedures. The following elements were used to define eligibility criteria: (1) population: patients undergoing rhinoplasty surgery; (2) intervention and controls: tranexamic acid vs placebo solution or no-treatment control group; (3) outcomes: intraoperative bleeding, postoperative eyelid edema and periorbital ecchymosis, and thromboembolic events; and (4) study type: randomized clinical trials.Data extraction and synthesisTwo reviewers extracted data and assessed study quality according to the Cochrane guidelines for randomized clinical trials. Treatment effects were defined as weighted mean difference (WMD) and 95% CIs. The strength of evidence was analyzed using the Grading of Recommendations Assessment, Development, and Evaluation rating system.Main outcomes and measuresIntraoperative bleeding, postoperative eyelid edema and periorbital ecchymosis. To calculate the effect sizes, means and SDs were obtained for each study group and outcome of interest.ResultsFive studies comprising 276 patients were included in the systematic review: 177 patients (64.1%) were women, and mean age was 26.8 (range, 16-42) years. Four studies comprising 246 patients estimated the amount in intraoperative bleeding as a primary outcome and were included in the meta-analysis. Eyelid edema and ecchymosis were evaluated as outcomes in 2 studies. Tranexamic acid was associated with reduced bleeding during rhinoplasty was found (WMD, -42.28 mL; 95% CI, -70.36 to -14.21 mL), with differences (P?=?.01) between oral (WMD, -61.70 mL; 95%?CI, -83.02 to -40.39 mL; I2?=?0%) and intravenous (WMD, -23.88 mL; 95% CI, -45.19 to -2.58 mL; I2?=?56%) administration. Eyelid edema and ecchymosis scores in patients receiving tranexamic acid were significantly lower compared with the control group within the first postoperative week: lower eyelid edema, WMD, -0.76; 95% CI, -1.04 to -0.49 and lower eyelid ecchymosis, WMD, -0.94; 95% CI, -1.80 to -0.08. No cases of thromboembolic events were reported.Conclusions and relevanceCurrent available evidence suggests that preoperative administration of tranexamic acid is safe and may reduce intraoperative bleeding as well as postoperative eyelid edema and ecchymosis in patients undergoing rhinoplasty.

Project description:INTRODUCTION:The use of vasoconstrictors combined with local anaesthetics (LAs) in dentistry for patients with cardiovascular disease (CVD) is still controversial in the scientific literature. It raises concerns regarding the possibility of transient episodes, triggering negative cardiovascular outcomes. METHOD/DESIGN:Trials eligible for our systematic review will enrol patients with CVD who have undergone dental treatments carried out with the use of LAs by comparing two arms: LAs with vasoconstrictors and LAs without vasoconstrictors. The research will be conducted in the electronic databases, namely Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, Healthstar (via Ovid), Cumulative Index to Nursing and Allied Health Literature and Web of Science, from their inception to December 2017, without any restrictions in terms of language and status of publication. A team of reviewers will independently assess titles, abstracts and complete text to determine eligibility. For eligible studies, the same reviewers will perform data extraction and evaluate the risk of bias in the selected articles. The selected outcomes comprise death, mortality by a specific cause, stroke, acute myocardial infarction, hospitalisation, pain, bleeding, arrhythmias, ischaemic episodes, anxiety, adverse effects, changes in blood pressure, changes in heart rate, anxiety and results obtained via oximetry. Whenever possible, we will conduct a meta-analysis to establish the effects of LAs with and without vasoconstrictors in the patients with CVD, and the overall quality of evidence for each outcome will be determined using the Grading of Recommendations Assessment, Development and Evaluation classification system. ETHICS AND DISSEMINATION:Ethics committee approval was not necessary because this is a protocol of systematic review. This systematic review will be submitted for presentation at conferences and for publication in a peer-reviewed journal. Our review will assess the risks of cardiovascular events when using LAs with and without vasoconstrictors in patients with CVD, focusing on important clinical outcomes. PROSPERO REGISTRATION NUMBER:CRD42016045421.

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Efficacy of local tranexamic acid treatment for prevention of bleeding after dental procedures: A systematic review and meta-analysis.

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Efficacy of local tranexamic acid treatment for prevention of bleeding after dental procedures: A systematic review and meta-analysis.

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