Prácticas controvertidas en la alergia
Video Experimental Relacionado
Updated: Sep 29, 2026

07:10
Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E (sIgE)
Published on: April 21, 2019
JAMA
|June 11, 1982
Resumen
Varios métodos de prueba de alergia carecen de apoyo científico. Los estudios controlados muestran que la titulación intracutánea, las pruebas provocativas y la inmunoterapia autógena de la orina son ineficaces o dañinas, lo que afecta la atención y los costos del paciente.
Área de la Ciencia:
- Inmunología Inmunología.
- Alergia Clínica Alergia Clínica es una alergia clínica.
Sus antecedentes:
- La práctica moderna de la alergia se basa en la comprensión de la patogénesis de la hipersensibilidad.
- Ciertas prácticas clínicas en alergia siguen siendo controvertidas a pesar del escrutinio científico.
Objetivo del estudio:
- Evaluar la evidencia científica que apoya los controvertidos procedimientos diagnósticos y terapéuticos de la alergia.
- Informar a los médicos sobre la eficacia y los riesgos de los tratamientos de alergia no probados.
Principales métodos:
- Revisión de estudios controlados que examinan las pruebas específicas de alergia y las modalidades de inmunoterapia.
- Evaluación de la evidencia para la titulación intracutánea, las pruebas provocativas y la inmunoterapia de orina autógena.
Principales resultados:
- Los estudios controlados no apoyan la titulación intracutánea o la titulación de radioalergosorbentes modificados de bajo nivel para la orientación de la inmunoterapia.
- La evidencia no apoya la utilidad clínica de las pruebas provocativas o los ensayos de leucocitotoxicidad para el diagnóstico de alergias alimentarias.
- La influencia de los aditivos alimentarios en la hipercinesis no está clara; la inmunoterapia urinaria autógena carece de evidencia y puede ser perjudicial.
Conclusiones:
- Los médicos deben comprender la base científica de los procedimientos de alergia para asesorar a los pacientes de manera efectiva.
- Las prácticas controvertidas en alergia carecen de apoyo empírico y pueden plantear riesgos.
- El asesoramiento informado del paciente es crucial debido a la prevalencia y el impacto económico de las enfermedades alérgicas.
Videos de Conceptos Relacionados
Allergic Reactions
Overview
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...
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs
Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Hypersensitivities
Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
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...
Allergic Reactions: Anaphylaxis
Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...

