Revue de stomatologie, de chirurgie maxillo-faciale et de chirurgie orale · 2014
[Retrospective study on bleeding and thromboembolic complications related to tooth extraction, in 93 patients usually treated by antithrombotic therapy].
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Sui J, Devoize L, Gonnu-Levallois S, Mulliez A, Baudet-Pommel M, Barthélémy I, Dang N Pham
Аннотация
INTRODUCTION: Tooth extraction for patients treated by AVK and/or platelet aggregation inhibitor is performed according to local habits rather than to a consensus. We had for objective to assess hemorrhagic and thromboembolic risks for patients for whom treatment with AVK and/or platelet aggregation inhibitor was modified before tooth extraction.
MATERIALS AND METHODS: Ninety-three patient files were examined retrospectively. The following data was collected: epidemiological data, ASA score, nature and changes of antithrombotic therapy, preoperative INR, number teeth extracted, postoperative complications (bleeding and thromboembolic events).
RESULTS: Thirty-seven patients were treated with oral anticoagulants, 41 by a platelet aggregation inhibitor, 10 by double platelet aggregation inhibitor therapy, and 5 by an AVK-platelet aggregation inhibitor combination. At D0, the mean INR was decreased to 1.4, 4 patients with high thromboembolic risk had received heparin relay treatment; the treatment was stopped for 9 of the 56 patients on monotherapy with antiplatelet therapy, 4 were switched from clopidogrel to lysine acetylate; clopidogrel was stopped for 7 patients under combination therapy. Seven hundred and twenty-six avulsions (mean 8.1 per patient) were performed, 41 patients presented with mild/moderate bleeding, easily resolved. A patient presented with delayed hemorrhage at D6 (AVK overdose). No thromboembolic complication was reported.
DISCUSSION: The modification of antithrombotic treatment, as for surgery at high risk of bleeding, seems to limit the risk of bleeding without increasing thromboembolic risk.
MATERIALS AND METHODS: Ninety-three patient files were examined retrospectively. The following data was collected: epidemiological data, ASA score, nature and changes of antithrombotic therapy, preoperative INR, number teeth extracted, postoperative complications (bleeding and thromboembolic events).
RESULTS: Thirty-seven patients were treated with oral anticoagulants, 41 by a platelet aggregation inhibitor, 10 by double platelet aggregation inhibitor therapy, and 5 by an AVK-platelet aggregation inhibitor combination. At D0, the mean INR was decreased to 1.4, 4 patients with high thromboembolic risk had received heparin relay treatment; the treatment was stopped for 9 of the 56 patients on monotherapy with antiplatelet therapy, 4 were switched from clopidogrel to lysine acetylate; clopidogrel was stopped for 7 patients under combination therapy. Seven hundred and twenty-six avulsions (mean 8.1 per patient) were performed, 41 patients presented with mild/moderate bleeding, easily resolved. A patient presented with delayed hemorrhage at D6 (AVK overdose). No thromboembolic complication was reported.
DISCUSSION: The modification of antithrombotic treatment, as for surgery at high risk of bleeding, seems to limit the risk of bleeding without increasing thromboembolic risk.