Importance of Lead Poisoning Testing
Lead poisoning ranks as one of the most prevalent and avoidable health issues of today. It is particularly hazardous for young children under the age of six (Reynolds & Upshaw, 2023). There are over 200,000 instances annually of lead poisoning in the United States only (Reynolds, P., & Upshaw, 2023). The development of both the brain and the body can be seriously harmed by such an incident (Reynolds, P., & Upshaw, 2023). Therefore, there is a need for a reliable and accurate tool for a timely diagnosis.
Description of Blood Lead Level Testing
Blood lead level (BLL) testing, which measures the amount of lead in a child’s blood, is the diagnostic method used to identify lead poisoning in children. The test is designed to identify those who are at risk of lead poisoning, specifically children under the age of six (Hosseini et al., 2021). Besides children who reside in cities, the test is also designed to diagnose lead levels in other age groups. For example, the test is often used for industrial employees (Hosseini et al., 2021).
The test is often used for children under the age of six because they frequently engage in hand-mouth behaviors. Lead exposure through the mucosal membranes is more likely as a result of this practice (Hosseini et al., 2021). Thus, the screening tool is capable of identifying the presence of lead in the body.
Reliability of the Test
The BLL test has a high predictive ability for detecting lead poisoning in children. For example, a study by Cantor and colleagues (2019) revealed that capillary blood testing successfully identified children with high blood lead levels. In contrast to venous blood lead testing, capillary blood lead testing showed a sensitivity of 87% to 91% and an accuracy of more than 90% (Cantor et al., 2019).
Thus, it is a reliable and valid tool for measuring blood lead levels, with good sensitivity and specificity. After reviewing the literature on lead poisoning among children and the test, I can say that I would use the tool in my practice. As seen from the findings, the test is accurate and reliable, which means that it can be used as a routine screening tool for children under the age of six.
References
Cantor, A. G., Hendrickson, R., Blazina, I., Griffin, J., Grusing, S., & McDonagh, M. S. (2019). Screening for elevated blood lead levels in childhood and pregnancy: updated evidence report and systematic review for the US Preventive Services Task Force. Jama, 321(15), 1510-1526.
Hosseini, A., Fayaz, A., Hassanian-Moghaddam, H., Zamani, N., Hadeiy, S. K., Gholami, N.,… & Phillips, S. (2021). Blood lead concentrations among pediatric patients with abdominal pain: a prospective cross-sectional study. BMC Gastroenterology, 21, 1-7.
Reynolds, P., & Upshaw, J. (2023). Environmental injustice in urban settings. In A. Farazmand (Ed.), Global encyclopedia of public administration, public policy, and governance (pp. 4022-4028). Springer International Publishing.