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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
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COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
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Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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Obstructive sleep apnea: awakening the hidden truth.

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Obstructive sleep apnea (OSA) is a serious condition caused by upper airway obstruction. It leads to health issues like daytime sleepiness, cardiovascular problems, and reduced quality of life.

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Area of Science:

  • Sleep Medicine
  • Respiratory Medicine
  • Otorhinolaryngology

Background:

  • Obstructive sleep apnea (OSA) is a prevalent sleep disorder characterized by upper airway obstruction during sleep.
  • It is associated with significant health consequences, including daytime hyper somnolence, impaired quality of life, and increased cardiovascular morbidity and mortality.
  • Key etiopathogenic factors involve reduced upper-airway dilator muscle activity, anatomical predispositions, and ventilatory control issues.

Purpose of the Study:

  • To summarize the etiopathogenesis and epidemiology of obstructive sleep apnea.
  • To review the systemic diseases associated with OSA, including cardiovascular, diabetes, and dental conditions.
  • To explore the influence of the tongue on the oropharyngeal airway in OSA patients.

Main Methods:

  • This article provides a summary and review of existing literature on obstructive sleep apnea.
  • It synthesizes information on the causes, risk factors, and associated health conditions.
  • The review focuses on the pathophysiology and clinical implications of OSA.

Main Results:

  • OSA results from upper airway obstruction, leading to recurrent nocturnal hypoxemia.
  • Risk factors such as age, gender, and obesity contribute to OSA incidence.
  • Nocturnal hypoxemia triggers various pathological mechanisms implicated in systemic diseases.

Conclusions:

  • Obstructive sleep apnea is a complex disorder with multifactorial causes and widespread systemic health implications.
  • Understanding the etiopathogenesis and associated conditions is crucial for effective management.
  • Further research into factors like tongue influence on the airway may offer new therapeutic avenues.