[Middle ear effusion as infrequent cause of sensorineural hearing loss]

A Castro Calvo1, J I De Diego Sastre, M P Prim Espada

  • 1Servicio De Otorrinolaringologia, Hospital Universitario la Paz, Universidad Autonoma De Madrid. jidediegomprim@eresmas.net

Anales Otorrinolaringologicos Ibero-Americanos
|February 16, 2006
PubMed

Insights

Middle ear effusion (MEE) in children can rarely cause sensorineural hearing loss (SNHL). Prompt treatment with grommets led to complete hearing recovery in a 5-year-old, highlighting MEE

Area of Science:

  • Pediatric Otolaryngology
  • Auditory Neuroscience
  • Clinical Audiology

Background:

  • Middle ear effusion (MEE) is a common cause of conductive hearing loss in children.
  • Sensorineural hearing loss (SNHL) is typically not associated with MEE.

Observation:

  • A 5-year-old child presented with MEE and bilateral moderate-severe neural impairment.
  • The child had no prior history of otologic conditions.

Findings:

  • Audiometric testing revealed significant SNHL.
  • Grommet insertion resulted in complete hearing recovery three months post-surgery.

Implications:

  • MEE can, in rare cases, be associated with SNHL.
  • Early intervention for MEE may reverse even neural hearing deficits.
  • This case underscores the importance of comprehensive audiological evaluation in pediatric MEE.

Related Concept Videos

Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
57.2K
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
31.3K
Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
4.3K
Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
747
Line Loss01:10

Line Loss

The different configurations of source-load connections include wye (star) and delta connections. The relationship between line and phase voltages and currents varies depending on the configuration. When the source is supplying power, it is transmitted through the wires to the load, and during this transmission, some power is absorbed by the wires, leading to line loss.
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
541
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
11.7K