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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...
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is based on...
Type II Diabetes I: Introduction01:26

Type II Diabetes I: Introduction

Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Carbohydrate Metabolism01:36

Carbohydrate Metabolism

Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...

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Related Experiment Video

Updated: May 30, 2026

Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
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Is obstructive sleep apnea a risk factor for diabetes?

Christian F Clarenbach1, Sophie D West, Malcolm Kohler

  • 1Pulmonary Division, University Hospital Zurich, Switzerland.

Discovery Medicine
|July 29, 2011
PubMed
Summary

Obstructive sleep apnea (OSA) is linked to insulin resistance and type 2 diabetes. Continuous positive airway pressure (CPAP) treatment showed mixed results on glucose metabolism, requiring further research.

Area of Science:

  • Metabolic disorders
  • Sleep medicine
  • Cardiovascular health

Background:

  • Obesity is rising, increasing the prevalence of obstructive sleep apnea (OSA) and type 2 diabetes.
  • Epidemiological studies suggest OSA elevates cardiovascular disease risk.
  • Insulin resistance may link OSA to vascular issues, but obesity confounds causal links.

Purpose of the Study:

  • To evaluate the relationship between OSA and insulin resistance.
  • To explore potential mechanisms linking OSA and insulin resistance.
  • To assess the impact of continuous positive airway pressure (CPAP) on insulin resistance in OSA patients.

Main Methods:

  • Observational clinical studies examined OSA and insulin resistance associations.
  • Animal and human experimental studies investigated potential underlying mechanisms.

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Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders
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  • Three randomized controlled trials (RCTs) compared CPAP and subtherapeutic CPAP in OSA patients.

    • Main Results:

    • Two RCTs found no significant effect of CPAP on glucose metabolism.
    • One RCT reported a small beneficial effect of CPAP on glucose metabolism.
    • The independent association between OSA and insulin resistance remains complex due to obesity.

    Conclusions:

    • Further clinical studies and RCTs are necessary.
    • The role of OSA as a risk factor for diabetes requires more investigation.
    • The precise effect of OSA on glucose metabolism needs clarification.