Video Experimental Relacionado
Updated: Jun 30, 2026
05:31
Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
Rinitis y aparición de asma: un estudio longitudinal basado en la población
Rafea Shaaban1, Mahmoud Zureik, David Soussan
1Unit 700 Epidemiology, National Institute of Health and Medical Research (INSERM), Paris, France.
Lancet (London, England)
|September 23, 2008
Resumen
La rinitis, particularmente la rinitis alérgica, aumenta significativamente el riesgo de desarrollar asma en adultos. Incluso la rinitis no alérgica predice el asma, destacando la importancia del tratamiento de la inflamación nasal para la salud respiratoria.
Área de la Ciencia:
- Inmunología Inmunología.
- Epidemiología La epidemiología.
- Pulmonología Pulmonología.
Sus antecedentes:
- El asma y la rinitis alérgica comparten una asociación conocida, pero la naturaleza precisa de esta relación requiere mayor aclaración.
- Estudios epidemiológicos y clínicos previos sugieren un fuerte vínculo entre estas dos condiciones.
- La Encuesta de Salud Respiratoria de la Comunidad Europea (ECRHS) proporcionó datos longitudinales para investigar esta conexión.
Objetivo del estudio:
- Para investigar la aparición de asma en individuos con y sin rinitis alérgica.
- Para determinar si la rinitis, con o sin atopia, predice el desarrollo de asma de inicio en adultos.
- Para analizar el riesgo de asma incidente durante un período de seguimiento de 8,8 años.
Principales métodos:
- Un estudio longitudinal basado en la población que involucró a 6461 participantes de entre 20 y 44 años en 29 centros en 14 países europeos.
- Los participantes se clasificaron al inicio en cuatro grupos: controles, solo atopia, rinitis no alérgica y rinitis alérgica.
- Se emplearon modelos de riesgos proporcionales de Cox para evaluar el riesgo relativo ajustado de aparición de asma.
Principales resultados:
- La incidencia acumulada de asma durante 8,8 años fue del 2,2%, con diferencias significativas observadas en los cuatro grupos basales (p<0,0001).
- Después de ajustar por múltiples factores, la rinitis no alérgica (RR 2.71) y la rinitis alérgica (RR 3.53) se asociaron significativamente con un mayor riesgo de asma.
- La rinitis alérgica relacionada específicamente con la sensibilización de los ácaros predijo de forma independiente el riesgo de asma (RR 2.79).
Conclusiones:
- La rinitis sirve como un potente predictor del asma de inicio en adultos, independientemente del estado atópico.
- La presencia de rinitis, incluso sin alergias, es un factor de riesgo significativo para desarrollar asma más adelante en la vida.
- Estos hallazgos subrayan la importancia de manejar la rinitis para la prevención del asma.
Videos de Conceptos Relacionados
01:28Asthma I: Introduction
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
01:29Asthma-I: Introduction
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
01:13Asthma III: Clinical Manifestations
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
01:20Asthma: Pathogenesis and Management
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
01:26Asthma-II: Pathophysiology and Classification
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
01:24Asthma-III: Symptoms and Complications
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Classification of Asthma