Dataset Information

Bleeding Risk in Patients Using Oral Anticoagulants Undergoing Surgical Procedures in Dentistry: A Systematic Review and Meta-Analysis.

ABSTRACT: The management of patients who undergo dental surgical procedures and receive oral anticoagulant therapy requires particular attention due to the risk of bleeding that may occur during the procedure. Bleeding rates in these trans- or post-operative patients tend to be unpredictable. The aim of this study was to conduct a systematic review in order to assess the risk of bleeding during and after performing oral surgery in patients administered oral anticoagulants compared with a group that discontinued anticoagulant therapy. For the purposes of this review, we searched the databases of the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (via Ovid), EMBASE (via Ovid), and the Virtual Health Library (VHL) from inception of the database to December 2018. The primary outcome was defined as the occurrence of local bleeding during and after oral surgical procedures. Four reviewers, independently and in pairs, screened titles and abstracts for full-text eligibility. Data regarding participant characteristics, interventions, and design and outcomes of the included studies were extracted. The data were pooled using random-effects meta-analyses and described as risk ratios (RRs) with a 95% confidence interval (95% CI). The confidence for the pooled estimates was ascertained through the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach, and the protocol of this review was recorded in PROSPERO (CRD42017056986). A total of 58 eligible studies were identified, of which three randomized controlled trials were included in the meta-analysis, covering a total of 323 adult participants, among whom 167 were taking anticoagulants at the time they underwent dental surgery. Of these patients, 14.2% had reported bleeding. The risk of bleeding was found to be one to almost three times greater in patients taking warfarin compared with patients who discontinued the use of anticoagulant during the trans-operative period (RR = 1.67, 95% CI = 0.97 to 2.89) and in the post-operative period (RR = 1.44, 95% CI = 0.71 to 2.92), although the quality of evidence was very low. The results indicate that there is no evidence that the use of anticoagulants eliminates the risk of bleeding during surgical dental procedures.

SUBMITTER: de Andrade NK

PROVIDER: S-EPMC6696826 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Bleeding Risk in Patients Using Oral Anticoagulants Undergoing Surgical Procedures in Dentistry: A Systematic Review and Meta-Analysis.

de Andrade Natália Karol NK Motta Rogério Heládio Lopes RHL Bergamaschi Cristiane de Cássia CC Oliveira Luciana Butini LB Guimarães Caio Chaves CC Araújo Jimmy de Oliveira JO Lopes Luciane Cruz LC

Frontiers in pharmacology 20190809

The management of patients who undergo dental surgical procedures and receive oral anticoagulant therapy requires particular attention due to the risk of bleeding that may occur during the procedure. Bleeding rates in these trans- or post-operative patients tend to be unpredictable. The aim of this study was to conduct a systematic review in order to assess the risk of bleeding during and after performing oral surgery in patients administered oral anticoagulants compared with a group that discon ...[more]

PMID: 31447671

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Project description:IntroductionThe management of patients undergoing oral surgical procedures using anticoagulants raises concerns regarding the risk of bleeding. Bleeding rates in those patients during or after oral surgical procedures are uncertain. The aim of this study will be to determine the bleeding rate during and after oral surgeries in patients using anticoagulants.Methods and analysisA systematic review will be conducted and if appropriate, a meta-analysis of randomised clinical trials evaluating the bleeding risk during and after oral surgical procedures in patients using anticoagulants were selected. The literature search will be conducted using electronic databases, such as the Cochrane Central Register of Controlled Trials, MEDLINE (via Ovid), Embase (via Ovid), Cumulative Index to Nursing and Allied Health Literature (via Ovid), LILACS (SciELO) and CAPES database, without restriction of languages or date of publication. The primary outcome will be the occurrence of local bleeding rate during and after oral surgical procedures, and as secondary outcome, the following complications will be considered: implant failure, healing problems and infections. Groups of two independent reviewers will select the titles and abstracts for full-text eligibility. For eligible studies, the same reviewers will perform data extraction, bias risk assessment and determination of the overall quality of evidence for each of the outcomes using the Grading of Recommendations Assessment, Development and Evaluation classification system. Meta-analysis and subgroup analyses will be conducted, to all outcomes, if appropriate.Ethics and disseminationThe systematic review will be published in a peer-reviewed journal, and brief reports of the review's findings will be released directly to the intended audience. The results will help dentists in the decision-making process to minimise the risk of bleeding in patients using anticoagulants in their clinical practice.Prospero registration numberCRD42017056986.

Project description:ImportanceIt is unclear if the risk of intraocular bleeding with novel oral anticoagulants differs compared with warfarin.ObjectiveTo characterize the risk of intraocular bleeding with novel oral anticoagulants compared with warfarin.Data sourcesA systematic review and meta-analysis was undertaken in an academic medical setting. MEDLINE and ClinicalTrials.gov were searched for randomized clinical trials published up until August 2016. This search was supplemented by manual bibliography searches of identified trials and other review articles.Study selectionStudies were eligible for inclusion if they were phase 3 randomized clinical trials, enrolled patients with atrial fibrillation or venous thromboembolism, compared a novel oral anticoagulant (dabigatran, rivaroxaban, apixaban, or edoxaban) with warfarin, and recorded event data on intraocular bleeding. Data on intraocular bleeding were pooled using inverse-variance, weighted, fixed-effects meta-analysis.Data extraction and synthesisThe PRISMA guidelines were used for abstracting data and assessing quality. Independent extraction was performed by 2 investigators.Main outcomes and measuresIntraocular bleeding events and associated risk ratio for novel oral anticoagulants compared with warfarin.ResultsTwelve trials investigating 102?627 patients were included. Randomization to novel oral anticoagulants was associated with a 22% relative reduction in intraocular bleeding compared with warfarin (risk ratio, 0.78; 95% CI, 0.61-0.99). There was no significant heterogeneity observed (I2?=?4.8%, P?=?.40). Comparably lower risks of intraocular bleeding with novel oral anticoagulants were seen in subgroup analyses, with no significant difference according to the indication for anticoagulation (P for heterogeneity?=?.49) or the novel oral anticoagulant type (P for heterogeneity?=?.15). Summary estimates did not differ materially when random-effects meta-analytic techniques were used.Conclusions and relevanceThese results suggest that novel oral anticoagulants reduce the risk of intraocular bleeding by approximately one-fifth compared with warfarin. Similar benefits were seen in both patients with atrial fibrillation and venous thromboembolism. Our data have particular relevance for patients at higher risk of spontaneous retinal and subretinal bleeding. These findings may also have important implications in the perioperative period, in which the use of novel oral anticoagulants may be superior. Future studies are required to better characterize the optimal management of patients with both ophthalmic disease and cardiovascular comorbidities requiring anticoagulation.

Dataset Information

Bleeding Risk in Patients Using Oral Anticoagulants Undergoing Surgical Procedures in Dentistry: A Systematic Review and Meta-Analysis.

Publications

Bleeding Risk in Patients Using Oral Anticoagulants Undergoing Surgical Procedures in Dentistry: A Systematic Review and Meta-Analysis.

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