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Rhythm blues in the time of coronavirus disease 2019 (COVID-19): how the cardiac electrophysiologist adapts to a viral pandemic in Singapore.

冠状病毒病2019 (新型冠状病毒肺炎) 时代的节奏蓝调: 心脏电生理学家如何适应新加坡的病毒大流行。

  • 影响因子:1.65
  • DOI:10.1007/s10840-020-00782-2
  • 作者列表:"Chia PL","Tan K","Tan LW","Chin PS","Foo D
  • 发表时间:2020-09-01
Abstract

:Coronavirus disease 2019 (COVID-19) is a major healthcare disaster in the modern times. Healthcare services must adapt to effectively juggle between pandemic management and maintenance of business-as-usual services so that both COVID-19 and non-COVID-19 patients receive appropriate clinical care. We share our experience of significant cardiac rhythm abnormalities seen in COVID-19 patients in Singapore, how the viral pandemic has affected the cardiac electrophysiology and pacing service in a large acute care general hospital and the steps taken to alleviate the negative impact.

摘要

: 冠状病毒疾病2019 (新型冠状病毒肺炎) 是现代的重大医疗卫生灾难。医疗保健服务必须适应大流行管理和维持一切照常服务之间的有效平衡,以便新型冠状病毒肺炎和非新型冠状病毒肺炎患者都能得到适当的临床护理。我们分享我们在新加坡新型冠状病毒肺炎例患者中观察到的显著心律异常的经验,病毒大流行如何影响大型急性护理综合医院的心脏电生理和起搏服务,以及为减轻负面影响而采取的措施。

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METHODS:BACKGROUND AND PURPOSE:The current left atrial appendage (LAA) classification system (cLAA-CS) categorizes it into 4 morphologies: chicken wing (CW), windsock, cactus, and cauliflower, though there is limited data on either reliability or associations between different morphologies and stroke risk. We aimed to develop a simplified LAA classification system and to determine its relationship to embolic stroke subtypes. METHODS:Consecutive patients with ischemic stroke from a prospective stroke registry who previously underwent a clinically-indicated chest CT were included. Stroke subtype was determined and LAA morphology was classified using the traditional system (in which CW = low risk) and a new system (LAA-H/L, in which low risk morphology (LAA-L) was defined as an acute angle bend or fold from the proximal/middle portion of the LAA and high risk morphology (LAA-H) was defined as all others). As a proof of concept study, we determined reliability for the two classification systems, and we assessed the associations between both classification systems with stroke subtypes in our cohort and previous studies. RESULTS:We identified 329 ischemic stroke patients with a qualifying chest CT (126 cardioembolic subtype, 116 embolic stroke of undetermined source (ESUS), and 87 non-cardioembolic subtypes). Intra- and inter-rater agreements improved using the LAA-H/L (0.95 and 0.85, respectively) vs. cLAA-CS (0.50 and 0.40). The LAA-H/L led to classifying 69 LAA morphologies that met criteria for CW as LAA-H. In fully adjusted models, LAA-H was associated with cardioembolic stroke (OR 5.4, 95%CI 2.1-13.7) and ESUS (OR 2.8 95% CI 1.2-6.4). Non-CW morphology was also associated with embolic stroke subtypes, but the effect size was much less pronounced. Studies using the cLAA-CS yielded mixed results for inter- and intra-rater agreements but most showed an association between a non-CW morphology and stroke with no difference among the three non-CW subtypes. CONCLUSION:The LAA-H/L classification system is simple, has excellent intra and inter-rater agreements, and may help risk identify patients with cardioembolic stroke subtypes. Larger studies are needed to validate these findings.

影响因子:1.41
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作者列表:["Kim S","Namba J","Goodman AM","Nguyen T","Saunders IM"]

METHODS:PURPOSE:Low-molecular-weight heparins are currently the recommended antithrombotic therapy for treatment and prevention of malignancy-related venous thromboembolism. Currently, the evidence evaluating direct oral anticoagulants versus low-molecular-weight heparins or a vitamin K antagonist in cancer patients with hematologic malignancies is limited. We evaluated the safety and efficacy of direct oral anticoagulants for venous thromboembolism treatment or stroke prevention for non-valvular atrial fibrillation in patients with hematologic malignancies. METHODS:This was a retrospective evaluation of adult patients with hematologic malignancies who received at least one dose of the Food and Drug Administration-approved direct oral anticoagulant for venous thromboembolism treatment or stroke prevention. We determined the frequency of major bleeding events, non-major bleeding events, stroke, systemic embolism, appropriateness of initial direct oral anticoagulant doses, holding practices prior to procedures, and the rate of all-cause mortality. An analysis was also performed to compare the incidence of bleeding between patients with a history of hematopoietic stem cell transplant to non-transplant patients. RESULTS:A total of 103 patients were identified, with the majority of patients receiving rivaroxaban for venous thromboembolism treatment. Major bleeding events occurred in four patients and no fatal bleeding events occurred. Non-major bleeding occurred in 29 patients, most commonly epistaxis and bruising. Two patients experienced a systemic embolism while on direct oral anticoagulant therapy. CONCLUSION:Direct oral anticoagulants may be a safe and effective alternative for anticoagulation therapy in patients with hematologic malignancies. However, larger prospective studies comparing direct oral anticoagulants to low-molecular-weight heparins or vitamin K antagonists are warranted to compare efficacy and safety outcomes in this patient population.

翻译标题与摘要 下载文献
影响因子:1.64
发表时间:2020-01-01
DOI:10.1016/j.hlc.2019.05.170
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翻译标题与摘要 下载文献
心律失常方向

心律失常(arrhythmia)是由于窦房结激动异常或激动产生于窦房结以外,激动的传导缓慢、阻滞或经异常通道传导,即心脏活动的起源和(或)传导障碍导致心脏搏动的频率和(或)节律异常。心律失常是心血管疾病中重要的一组疾病,可单独发病,亦可与其他心血管病伴发。其预后与心律失常的病因、诱因、演变趋势、是否导致严重血流动力障碍有关,可突然发作而致猝死,亦可持续累及心脏而致其衰竭。

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