Evidence map›Paper›PMID 28827248›Full record

ArticleBMJ open2017

Risks of postextraction bleeding after receiving direct oral anticoagulants or warfarin: a retrospective cohort study.

Takahiro Yagyuu, Mao Kawakami, Yoshihiro Ueyama, Mitsuhiko Imada, Miyako Kurihara, Yumiko Matsusue, Yuichiro Imai, Kazuhiko Yamamoto, Tadaaki Kirita

Open access · goldAbstract readComparative Study
In one paragraph

Article in BMJ open, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 2 pooled it
3.9field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed, 2 syntheses or guidelines pooled it, 58 citations in OpenAlex.

  1. Pooled it
  2. Interventions for treating post-extraction bleeding.The Cochrane database of systematic reviews · 2018
    Pooled it
  3. Article
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  10. Post-extraction bleeding in patients on direct oral anticoagulants.Journal of the Korean Association of Oral and Maxillofacial Surgeons · 2024
    Article
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  12. Review
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  17. Hepatic and Renal Histotripsy in an Anticoagulated Porcine Model.Journal of vascular and interventional radiology : JVIR · 2023
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

Takahiro YagyuuDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Mao KawakamiDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Yoshihiro UeyamaDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Mitsuhiko ImadaDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Miyako KuriharaDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Yumiko MatsusueDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Yuichiro ImaiDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Kazuhiko YamamotoDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Tadaaki KiritaDepartment of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan.
Nara Medical University · JPRakuwakai Otowa Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe effect of direct oral anticoagulants (DOACs) on the risk of bleeding after tooth extraction remains unclear. This study aimed to evaluate the incidence of postextraction bleeding among patients who received DOAC and vitamin K antagonists (VKAs), such as warfarin.

designThis study was a retrospective cohort analysis. Incidence rates and propensity score-matched regression models were used to compare the risks of bleeding after tooth extractions involving DOACs and VKAs.

settingThe study took place in a single university hospital in Japan.

participantsBetween April 2013 and April 2015, 543 patients underwent a total of 1196 simple tooth extractions. PRIMARY OUTCOME MEASURE: The primary outcome measure was the occurrence of postextraction bleeding, which was defined as bleeding that could not be stopped by biting down on gauze and required medical treatment between 30 min and 7 days after the extraction.

resultsA total of 1196 tooth extractions (634 procedures) in 541 patients fulfilled the study criteria, with 72 extractions (41 procedures) involving DOACs, 100 extractions (50 procedures) involving VKAs and 1024 extractions (543 procedures) involving no anticoagulants. The incidences of postextraction bleeding per tooth for the DOAC, VKA and no anticoagulant extractions were 10.4%, 12.0% and 0.9%, respectively. The incidences of postextraction bleeding per procedure for DOACs, VKAs and no anticoagulants were 9.7%, 10.0% and 1.1%, respectively. In comparison to the VKA extractions, the DOAC extractions did not significantly increase the risk of postextraction bleeding (OR 0.69, 95% CIs 0.24 to 1.97; p=0.49).

conclusionsThe risk of postextraction bleeding was similar for DOAC and VKA extractions.

Indexed as

Administration, OralAgedAged, 80 and overAnticoagulantsFemaleHospitals, UniversityHumansJapanLogistic ModelsMaleMultivariate AnalysisPostoperative HemorrhagePropensity ScoreRetrospective StudiesRisk AssessmentRisk FactorsAnticoagulantsVitamin KWarfarinbleeding risk scoresdirect oral anticoagulantsPost-extraction bleedingvitamin K antagonists

Identifiers

PMID28827248
PMCPMC5629650
OpenAlexW2748942347

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.