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Bleeding Complications in Relation to the International Normalized Ratio for Dental Extractions in Patients under
Sebastian Ariel Puia1, Ezequiel Matias Hilber1, Matias Garcia-Blanco1
1Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Buenos Aires, Buenos Aires, Argentina.
Introduction:
Recent simple dental extraction protocols suggest that therapeutic levels of the anticoagulant drug should be maintained because bleeding complications could be managed with local haemostasis manoeuvres. The aim of the present study was to evaluate the association between bleeding complications and the international normalized ratio (INR) values in patients after dental extractions completed with a plug of bismuth subgallate, without interrupting anticoagulant administration.
Materials And Methods:
Patients undergoing oral Vitamin K antagonist chronic anticoagulant therapy requiring simple dental extractions were included in the study. INRs were recorded on the day of the surgery, and dental extractions were performed applying bismuth subgallate as a haemostatic agent. Patients took their anticoagulation drug normally. Bleeding complications were recorded.
Results:
The study included 694 patients, of whom 11 (1.58%) presented mediate post-operative bleeding that was effectively controlled through local manoeuvres. No episode of thromboembolism or infectious endocarditis was observed. The incidence of bleeding complications was not related to the INR values (P > 0.05).
Discussion:
INR values were not related to bleeding complications when simple dental extractions were performed applying bismuth subgallate as a haemostatic agent.
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