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Effects of the availability of new oral anticoagulants in patients with non-valvular atrial fibrillation in the real world: the NAIF study

机译:现实世界中非瓣膜性房颤患者使用新型口服抗凝剂的影响:NAIF研究

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Guidelines recommend anticoagulation to prevent stroke in patients with non-valvular atrial fibrillation (NVAF). In the real world, this treatment is underused, probably for pharmacologic limitations of vitamin-K-antagonist (VKA). The new oral anticoagulants (NOAC) overcome many limitations of VKA. The aim of this study is to assess if, after introduction of NOAC, anticoagulated patients are increased. We performed an observational retrospective cohort study about patients with NVAF, hospitalized in Internal Medicine or Geriatrics for any cause in two years, before and after the marketing of NOAC. The results showed: 640 patients enrolled (289 in 2012, 351 in 2015), elderly population (83±7), males 42% females 58%, high morbidity, high thromboembolic (CHA 2 DS 2 VASc 5±1.6) and hemorrhagic (HASBLED 2.7±1.2) risks, with frequent chronic renal disease (51% stage ≥3) and contraindications to anticoagulants (21.6%). Therapy at discharge 2012 vs 2015: VKA 124/289 (43%) vs VKA or NOAC 187/351 (53%) (P<0.01); antiplatelet 114/289 (39%) vs 70/351 (20%) (P<0.0001). For the high comorbidity, frequent use of low-molecular-weight heparin: 42/289 (15%) in 2012 vs 77/351 (22%) in 2015. NOAC have increased the adherence to guidelines in prescribing oral anti-coagulants in patients with NVAF.
机译:指南建议抗凝治疗可预防非瓣膜性房颤(NVAF)患者的中风。在现实世界中,这种治疗方法未得到充分利用,可能是由于维生素K拮抗剂(VKA)的药理作用所致。新的口服抗凝剂(NOAC)克服了VKA的许多限制。这项研究的目的是评估引入NOAC后抗凝患者是否增加。我们对NOAC上市前后两年内因任何原因而因内科或老年病住院的NVAF患者进行了一项回顾性队列研究。结果显示:入组640例患者(2012年为289名,2015年为351名),老年人群(83±7),男性42%,女性58%,高发病率,高血栓栓塞性(CHA 2 DS 2 VASc 5±1.6)和出血性( HASBLED 2.7±1.2)风险,患有慢性肾脏疾病(51%≥3级)和抗凝禁忌症(21.6%)。 2012年vs 2015年出院时的治疗:VKA 124/289(43%)vs VKA或NOAC 187/351(53%)(P <0.01);抗血小板114/289(39%)与70/351(20%)(P <0.0001)。对于高合并症,低分子量肝素的频繁使用:2012年为42/289(15%)比2015年为77/351(22%)。NOAC增加了患者处方口服抗凝剂的指导原则NVAF。

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