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Background: We reviewed the patients who un der went tricuspid valve replacement (TVR) to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position.
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背景：对接受过三尖瓣置换术(TVR)的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。 |
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Background: While the medical society is promoting evidence-based medicine (EBM) and trying to develop clinical practice guidelines (CPGs), the legal society is introducing the hearsay rules and the cross-examination system.
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研究背景：九十三度司法院开始设置医事专业法庭，在此同时也适逢刑事诉讼法改采当事人进行主义，而医界正积极推动实证医学，并且尝试以实证医学的方法来制定医疗行为准则。 |
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Backgrounds - if you have one, remove it.
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背景–如果你拥有一个背景，那么请删除它。 |
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Background— Because of the health impact of acute myocardial infarction (AMI), substantial resources hae been dedicated to improing AMI care and outcomes.
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背景：由于急性心梗严重影响健康，医疗资源主要用于改善急性心梗的护理与结局。 |
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Background— Cross-sectional studies demonstrated ethnic and gender differences in ambulatory blood pressure patterns, but little is known about the longitudinal deelopment of these differences.
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背景：横向研究表明动态血压模式在人种和性别之间存在差异，但对这种差异的纵向发展却知之甚少。 |
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Background— In the present study, we sought to determine whether opening a persistently occluded infarct-related artery (IRA) by percutaneous coronary interention (PCI) in patients beyond the acute phase of myocardial infarction (MI) improes patency and i
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背景：现在研究是为了决定是否采取经皮冠脉介入术开通心肌梗死急性期过后的病人的已经持久闭塞的梗死相关动脉，以期能改善血管开通和左室容积以及射血分数。 |
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Background— Mild commissural mitral regurgitation (MR) is associated with significantly higher restenosis-free surial after percutaneous mitral aluloplasty (PM), which suggests that different mechanisms of significant MR after PM may hae different clinica
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背景：经皮二尖瓣成形术后严重高度非再狭窄存活率与轻度交界处损伤的二尖瓣关闭不全相关，表明经皮二尖瓣成形术后严重二尖瓣关闭不全的不同机制可能有不同的临床过程。 |
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Background— Recent eidence suggests that long-term exposure to particulate air pollution contributes to pulmonary and systemic oxidatie stress, inflammation, progression of atherosclerosis, and risk of ischemic heart disease and death.
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背景：最近证据表明长期暴露在微粒子污染的空气可以导致肺部和全身性氧化应激、炎症、动脉粥样硬化进展加快、缺血性心脏病和死亡的危险。 |
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Background— The long-term impact of chronic heart failure management programs oer the typical life span of affected indiiduals is unknown.
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背景-慢性心衰的管理项目对个体一般生存期的长期影响尚不清楚。 |
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Background— enous bypass grafts may fail because of deelopment of intimal hyperplasia and accelerated atherosclerosis.
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背景内膜的过度增生和动脉粥样硬化加速导致静脉旁路移植失败。 |
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Background：A monument for the General Coco Forest!
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描述：背景为西沙将军林纪念碑！ |
