Eczema atópico y dureza del agua doméstica
Video Experimental Relacionado
Updated: Oct 13, 2026
09:32
Resolving Water, Proteins, and Lipids from In Vivo Confocal Raman Spectra of Stratum Corneum through a Chemometric Approach
Published on: September 26, 2019
N J McNally1, H C Williams, D R Phillips
1Health Research Group, Department of Geography, University of Nottingham, University Park, UK.
Lancet (London, England)
|August 26, 1998
Resumen
La exposición al agua dura puede aumentar el riesgo de eczema atópico en niños pequeños. Este estudio encontró un vínculo directo entre la dureza del agua y la prevalencia de eczema en niños de primaria.
Área de la Ciencia:
- Salud Ambiental Salud del medio ambiente.
- Dermatología Dermatología dermatología.
- Epidemiología La epidemiología.
Sus antecedentes:
- Los factores ambientales que contribuyen al eczema atópico (eczema) no se comprenden completamente.
- La dureza del agua doméstica es un factor de riesgo potencial para el desarrollo de eczema.
- Este estudio ecológico investiga la asociación entre la dureza del agua y la prevalencia de eczema en niños en edad escolar.
Objetivo del estudio:
- Examinar la relación entre la dureza del agua doméstica y la prevalencia del eczema atópico.
- Para evaluar esta relación en niños de escuelas primarias y secundarias en Nottinghamshire.
Principales métodos:
- Diseño del estudio ecológico utilizando datos de cuestionarios de 4141 niños de primaria y 3499 de secundaria.
- Los Sistemas de Información Geográfica (SIG) vincularon los datos de prevalencia de eczema con las categorías de dureza del agua doméstica.
- Se realizaron ajustes estadísticos por posibles factores de confusión, incluidos el sexo, la edad, el estatus socioeconómico y el acceso a la atención médica.
Principales resultados:
- Se observó una relación directa significativa entre la dureza del agua y la prevalencia de eczema tanto en el período de 1 año como en toda la vida en niños de escuela primaria.
- El coeficiente de probabilidad ajustado para la prevalencia a 1 año en la categoría de dureza de agua más alta frente a la más baja fue de 1,54 (p <0,001) para los estudiantes de primaria.
- No se encontraron tendencias significativas en la prevalencia de eczema en la población de la escuela secundaria relacionadas con la dureza del agua.
Conclusiones:
- La exposición al agua doméstica dura puede elevar el riesgo de desarrollar eczema en niños en edad escolar primaria.
- Se necesita más investigación para confirmar esta asociación y explorar los mecanismos subyacentes.
Más Videos Relacionados
Videos de Conceptos Relacionados
02:30Water: A Bronsted-Lowry Acid and Base
The reaction between a Brønsted-Lowry acid and water is called acid ionization. For example, when hydrogen fluoride dissolves in water and ionizes, protons are transferred from hydrogen fluoride molecules to water molecules, yielding hydronium ions and fluoride ions:
01:16Solubility Equilibria: Ionic Product of Water
Pure water is a weak electrolyte; only a small amount ionizes into hydrogen and hydroxide ions. At any given temperature, the concentration of undissociated water is almost constant, so the ionic product of water is the product of the hydrogen and hydroxide ion concentrations, denoted as Kw. The square root of Kw gives the individual ion concentrations.
The ionic product of water varies with temperature, and its value is 1.0 x 10−14 at standard experimental conditions. Per Le Chatelier's...
The ionic product of water varies with temperature, and its value is 1.0 x 10−14 at standard experimental conditions. Per Le Chatelier's...
01:29Disorder of Water Balance
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
01:19Quality of Water
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
01:23Rheumatic Heart Disease I: Introduction
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
01:24Chronic Kidney Disease II: Clinical Manifestations
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...