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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

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.
The condition is more prevalent among...
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

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...
Hyperpnea and Hyperventilation01:25

Hyperpnea and Hyperventilation

Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...

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Updated: May 24, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
07:54

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

Obstructive sleep apnea.

Matthew L Ho1, Steven D Brass

  • 1UC Davis Department of Neurology, Davis Medical Center, University of California, California, USA.

Neurology International
|February 28, 2012
PubMed
Summary
This summary is machine-generated.

Obstructive sleep apnea (OSA) is a common disorder affecting millions, often undiagnosed. Early diagnosis and treatment are crucial to prevent serious health issues like heart disease and hypertension.

Keywords:
apneaapnea hypopnea indexhypopneaobstructive sleep apnearespiratory disturbance indexrespiratory event related arousals.

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Area of Science:

  • Sleep Medicine
  • Cardiology
  • Neurology

Background:

  • Obstructive sleep apnea (OSA) is highly prevalent, comparable to asthma and diabetes.
  • Rising global obesity rates are projected to increase future OSA prevalence.
  • Many individuals with OSA remain undiagnosed and untreated, despite significant health risks.

Purpose of the Study:

  • To highlight the prevalence and underdiagnosis of OSA.
  • To emphasize the severe health consequences of untreated OSA.
  • To outline diagnostic methods and treatment options for OSA.

Main Methods:

  • Diagnosis involves screening questionnaires and physical examination.
  • Overnight polysomnography or portable home studies are used for diagnosis.
  • Treatment strategies include lifestyle changes, positive airway pressure, surgery, and dental appliances.

Main Results:

  • Untreated OSA leads to repeated breathing cessation during sleep, causing fragmented sleep.
  • Significant health consequences include increased risk of hypertension, diabetes, heart disease, and heart failure.
  • OSA management is also critical for neurological conditions like epilepsy and stroke.

Conclusions:

  • OSA is a serious, widespread condition with significant health implications.
  • Prompt diagnosis and comprehensive management are essential for patient outcomes.
  • Effective treatments are available, ranging from lifestyle modifications to medical devices and surgery.