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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...
Alterations in Respiration II01:30

Alterations in Respiration II

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 include...
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
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:
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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 can...

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Updated: Jun 28, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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[Metabolic abnormalities in obstructive sleep apnea patients].

Justyna Czerniawska1, Przemysław Bieleń, Robert Pływaczewski

  • 1II Klinika Chorób Płuc Instytutu Gruźlicy i Chorób Płuc w Warszawie Kierownik.

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Summary

Obstructive sleep apnea (OSA) significantly impacts metabolic health, increasing risks for cardiovascular disorders. Body Mass Index (BMI) plays a crucial role in these metabolic disturbances, independent of OSA severity.

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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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Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
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Area of Science:

  • Cardiology
  • Endocrinology
  • Sleep Medicine

Background:

  • Obstructive sleep apnea (OSA) is a recognized risk factor for cardiovascular diseases and metabolic syndrome.
  • Understanding the interplay between OSA severity, BMI, and metabolic disturbances is crucial for patient management.

Purpose of the Study:

  • To evaluate the impact of Body Mass Index (BMI) and apnea-hypopnea index/respiratory disturbance index (AHI/RDI) on metabolic disturbances in patients with suspected OSA.

Main Methods:

  • Ninety-nine patients underwent polysomnography or limited sleep studies.
  • AHI/RDI > or = 10/hour defined OSA diagnosis.
  • Assessed AHI/RDI, ESS, BMI, CRP, HbA1c, lipids, glucose, insulin, and HOMA index.

Main Results:

  • Patients with OSA exhibited higher triglycerides, glucose, and HOMA index compared to controls.
  • Glucose levels showed a significant correlation with AHI/RDI.
  • Obese OSA patients displayed significantly worse lipid profiles, glucose control, insulin resistance (HOMA), HbA1c, and CRP levels compared to non-obese OSA patients.

Conclusions:

  • OSA independently influences metabolic disturbances, supporting previous findings.
  • BMI significantly impacts metabolic variables in patients with suspected OSA, highlighting its critical role in disease management.