Abstract Impacts of exposure to black carbon, elemental carbon, and ultrafine particles from indoor and outdoor sources on blood pressure in adults: A review of epidemiological evidence
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Impacts of exposure to black carbon, elemental carbon, and ultrafine particles from indoor and outdoor sources on blood pressure in adults: A review of epidemiological evidence

机译：暴露于室内和室外来源的黑碳，元素碳和超细颗粒对成人血压的影响：流行病学证据综述

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AbstractIntroductionAmbient particulate air pollution is known to have detrimental effects on cardiovascular health but less is known about the specific effects of black carbon or elemental carbon (BC/EC) and ultrafine particles (UFP).MethodsWe present a narrative review of the epidemiological evidence related to the impact of exposure to BC/EC and UFP on blood pressure in adults. We searched PubMed and EMBASE in September 2017, using a predefined search strategy. Abstracts were screened using predefined inclusion criteria. Data collection was completed using a standard data extraction form. We focused on main effect estimates for associations between short (≤7 days) and long-term exposures to BC/EC and UFP and systolic (SBP) and diastolic blood pressure (DBP). Effect estimates were rescaled to enable direct comparisons between studies.ResultsThirty publications were included in the review: 19 studies examined outdoor exposure to BC/EC, 11 examined outdoor UFP, three studies examined indoor BC and one study examined indoor UFP. In general, existing evidence supports a positive association between BC/EC and blood pressure. Evidence for outdoor UFP exposures were less clear as effect estimates were small in magnitude and confidence intervals often included the null.ConclusionsExisting evidence supports a positive association between BC/EC and blood pressure in adults, whereas UFPs do not appear to have a meaningful impact on blood pressure.Highlights•Thirty publications were identified and reviewed.•Existing evidence supports a positive association between BC/EC and blood pressure.•Evidence is less clear for the relationship between UFPs and blood pressure.•Studies of indoor exposures are limited.
机译： 摘要 简介 周围的空气微粒污染是有害的对黑碳或元素碳（BC / EC）和超细颗粒（UFP）的特定作用知之甚少。 方法 我们介绍了一种流行病学证据的叙述性评论，该证据与暴露于BC / EC和UFP对成人血压的影响有关。我们于2017年9月使用预定义的搜索策略搜索了PubMed和EMBASE。使用预定义的纳入标准筛选摘要。使用标准数据提取表格完成数据收集。我们集中于短期（≤7天）与长期接触BC / EC和UFP以及收缩压（SBP）和舒张压（DBP）之间的关联的主要影响估计。重新评估了效果估算值，以便可以在研究之间进行直接比较。 < ce：section-title id =“ sect0020”>结果 该评价包括30篇出版物：19项研究对户外暴露进行了研究对于BC / EC，有11项检查了室外UFP，三项研究检查了室内BC，一项研究检查了室内UFP。一般而言，现有证据支持BC / EC与血压之间呈正相关。户外UFP暴露的证据不太清楚，因为效果估计值很小，置信区间通常包括零值。 结论 现有证据支持成人BC / EC与血压之间呈正相关，而UFP似乎对血压没有有意义的影响。 突出显示 • 已识别并查看了三十种出版物。< / ce：para> • 现有证据支持BC / EC与血压之间呈正相关。 • 关于UFP与血压之间关系的证据尚不清楚。 • 室内暴露的研究受到限制。

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