补丁测试中可疑反应的临床相关性:单中心回顾性研究
Puneet Arora1,2, Caroline Brumley1,2, Sara Hylwa1
1Department of Dermatology, Park Nicollet Health Services, Minneapolis, Minnesota, USA.
Contact dermatitis
|February 21, 2024
概括
皮肤炎贴片检测很少产生显著的可疑反应. 很少有可疑的反应被证明是临床相关的,更强烈的反应通常会掩盖它们,除了可卡米多普罗贝他因和MCI/MI.
科学领域:
- 皮肤病学 皮肤病学
- 过敏学 过敏学
- 接触性皮肤炎是什么
背景情况:
- 在补丁测试中很少报告有疑问的反应,但可能需要仔细审查.
- 最近的文献建议用同样的严格来评估可疑的反应和更强烈的反应.
研究的目的:
- 评估在贴片测试期间观察到的可疑反应的临床意义.
主要方法:
- 对1514名接受北美接触性皮肤炎组 (NACDG) 标准系列和其他过敏原的贴片测试的患者进行了回顾性分析.
- 反应使用NACDG尺度进行分级",独特"反应被定义为那些在不同度下对相同化学物质没有更强的反应.
主要成果:
- 68.9%的患者至少有一次可疑反应,92.2%是独一无二的.
- 只有3.3%的独特可疑反应在临床上确定的,12.2%是可能的.
- 可卡米多贝他因和甲基化异构素/甲基异构素 (MCI/MI) 是独特的明显可疑反应的显著过敏原.
结论:
- 补丁测试中的可疑反应可能比以前建议的临床影响要小.
- 大多数可疑反应缺乏明确的临床意义,或者被更强烈的反应所取代.
- 对可卡米多普罗贝他因和MCI/MI的独特可疑反应值得注意,因为它们经常缺乏更强烈的辅证反应.
相关概念视频
Allergic Reactions
Overview
Pharmacovigilance
Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
Allergic Drug Reactions
Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing numerous...
Drug Toxicity: Allergic Reactions
Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...


