相关实验视频
Updated: Jun 28, 2026
13:13
Biochemical Measurement of Neonatal Hypoxia
Published on: August 24, 2011
14.1K
照相疗法后期婴儿皮肤间胆红素计的准确性:一项前性观察性研究
Charissa Joy1, Taya A Collyer2,3, Kathryn McMahon4
1Department of Paediatrics, Peninsula Health, Frankston, Australia.
概括
透皮胆红素计 (TcB) 显示光疗后与血清总胆红素 (TSB) 的相关性很好,但由于一致性不佳,无法可靠地使用. 这一发现影响了新生儿黄管理.
科学领域:
- 新生儿医学 新生儿医学
- 医疗器械 医疗器械
- 临床诊断 临床诊断 临床诊断
背景情况:
- 新生儿黄是很常见的.
- 光疗是一种标准的治疗方法.
- 精确的胆红素监测对于有效治疗和预防并发症至关重要.
研究的目的:
- 在光疗停止12小时后,评估透皮胆红素计 (TcB) 与新生儿的血清胆红素总量 (TSB) 测量相比的准确性.
- 评估TcB的可靠性,以监测经过光疗的婴儿的胆红素水平.
主要方法:
- 一项前性研究涉及91名新生儿 (怀孕≥35周).
- 双对TcB和TSB测量是在光疗后12小时进行的.
- 在胸骨 (未覆盖) 和腹部下部 (覆盖) 进行了TcB测量.
- 使用布兰德-阿尔特曼分析来评估TcB和TSB之间的协议.
主要成果:
- 在覆盖和未覆盖的皮肤上,TcB系统地低估了TSB.
- 这一差异对于胸骨 (-1.44) 和腹部下部 (-1.03) 均具有统计学意义.
- 在TcB和TSB之间观察到良好的相关性 (r=0.86-0.90).
- 然而,布兰德-阿尔特曼图表显示,这两种测量方法之间的一致性很差.
结论:
- 尽管相关性很好,但光疗后12小时,TcB与TSB的一致性很差.
- 在接受光疗的新生儿中,TcB不是监测白水平的可靠方法.
- 关于黄管理的临床决策应该考虑TcB光疗后的局限性.
相关概念视频
01:24Pharmacokinetics in Pediatric Patients: Drug Metabolism
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
01:25Jaundice
Jaundice, or icterus, is the yellow discoloration of the skin, sclerae, and mucous membranes. It happens when plasma bilirubin levels rise above 2.5-3 mg/dL, leading to bilirubin deposition in tissue.Bilirubin is a byproduct of hemoglobin degradation. In macrophages, hemoglobin breaks down into globin and heme. Globin is converted into amino acids, while heme is turned into biliverdin by heme oxygenase, which is then reduced to unconjugated bilirubin by biliverdin reductase.Unconjugated...