停电和一氧化碳中毒儿童
Alexander J Northrop1,2,3, Vivian Do4, Nina M Flores4
1Vagelos College of Physicians and Surgeons, Columbia University, New York, New York.
Pediatrics
|May 4, 2025
概括
停电显著增加了儿童一氧化碳 (CO) 中毒的风险,特别是在城市地区. 这种可预防的风险凸显了在停电期间需要提高意识的必要性.
科学领域:
- 环境健康 环境健康
- 儿科健康 儿科健康
- 公共卫生 公共卫生
背景情况:
- 一氧化碳 (CO) 是一种危险的气体,对健康造成严重影响,尤其是儿童.
- 由于发电机的不当使用,停电可能会增加CO中毒的风险.
- 儿童对二氧化碳中毒具有独特的脆弱性.
研究的目的:
- 为了调查停电与纽约州CO中毒的儿科急诊室 (ED) 访问之间的联系.
- 量化不同规模的停电期间儿童中二氧化碳中毒风险的增加.
主要方法:
- 使用社区级停电数据 (2017-2020年) 和来自纽约州SPARCS的儿科CO ED访问数据,采用了一个案例交叉研究设计.
- 分析包括全面 (≥1%的电源损失) 和大规模 (≥20%的电源损失) 的停电.
- 该研究检查了暴露当天和随后三天 (滞后0-3) 的CO中毒风险.
主要成果:
- 总共有917例儿童CO中毒病例被确定,发病率为每10万人/年5.6.
- 在5岁或更小的儿童和黑人儿童中观察到的发病率最高.
- 即使是四小时的停电也会使儿科CO中毒ED访问的几率在大规模停电时增加≥50%,在大规模停电时增加≥150%,在城市地区更强烈的关联.
结论:
- 儿童CO中毒ED访问,虽然在纽约罕见,是可以预防的.
- 停电是儿童中二氧化碳中毒的重要危险因素.
- 公共卫生战略应应对与停电相关的二氧化碳中毒风险,特别是在弱势群体和城市环境中.
相关概念视频
01:23Hypoxia
840
Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
840
01:36Types of Toxins
1.3K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.3K
01:30Acute Respiratory Failure-III
139
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
139
01:21Acute Respiratory Failure-II
126
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
126
01:17Pulmonary Cycle: Exhalation
1.2K
In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
1.2K
01:21Acute Respiratory Failure-I
147
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
147