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

Other Pulmonary Disorders

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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.
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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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).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
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Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
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Alterations in Respiration II01:30

Alterations in Respiration II

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There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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"Unveiling Unique Pathologies in Obstructive Sleep Apnea: Two Intriguing Case Reports".

Peter M Baptista1,2, Carlos O'connor3, Mahran Altoron2

  • 1Department of ENT, Clinica Universidad de Navarra, Pamplona, Navarra, Spain.

Sleep Science (Sao Paulo, Brazil)
|April 28, 2025
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Summary

Obstructive sleep apnea (OSA) can be caused by vascular lesions like aberrant carotid arteries or glomus tumors. Recognizing these rare vascular anomalies during sleep endoscopy is crucial for patient safety and effective treatment.

Keywords:
aberrant internal carotid arterydrug-induced sleep endoscopyglomus tumorobstructive sleep apnea

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Area of Science:

  • Otolaryngology
  • Sleep Medicine
  • Vascular Surgery

Background:

  • Obstructive sleep apnea (OSA) is frequently linked to reduced pharyngeal muscle tone and a narrowed pharyngeal airway.
  • Vascular lesions are uncommon causes of pharyngeal narrowing and OSA.

Observation:

  • This report details two patients diagnosed with obstructive sleep apnea (OSA).
  • Both patients underwent DISE (drug-induced sleep endoscopy) and were found to have vascular lesions contributing to airway narrowing: one with an aberrant internal carotid artery and another with a glomus tumor.

Findings:

  • Aberrant internal carotid artery and glomus tumors can present as causes of obstructive sleep apnea (OSA).
  • These vascular anomalies contribute significantly to pharyngeal airspace narrowing in affected individuals.

Implications:

  • Clinicians must consider vascular lesions when evaluating patients with OSA, especially during procedures like DISE.
  • Early recognition of these vascular anomalies is vital to prevent iatrogenic injury during oropharyngeal interventions.
  • This highlights the importance of a comprehensive diagnostic approach in managing complex sleep apnea cases.