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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis01:25

Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis

Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...
Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
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...

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Related Experiment Video

Updated: Jun 14, 2026

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
08:30

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

Published on: March 15, 2018

Pulmonary function in diabetes: a metaanalysis.

Bram van den Borst1, Harry R Gosker, Maurice P Zeegers

  • 1Department of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, The Netherlands. b.vdborst@pul.unimaas.nl

Chest
|March 30, 2010
PubMed
Summary

Diabetes is linked to reduced lung function, specifically a restrictive pattern, affecting key parameters like FEV1 and FVC. This meta-analysis clarifies the association in diabetic individuals without pre-existing lung disease.

Related Experiment Videos

Last Updated: Jun 14, 2026

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
08:30

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

Published on: March 15, 2018

Area of Science:

  • Pulmonary Medicine
  • Endocrinology
  • Metabolic Diseases

Background:

  • Inconsistent findings exist regarding the relationship between diabetes and pulmonary function.
  • A comprehensive meta-analysis is needed to clarify this association.

Purpose of the Study:

  • To systematically evaluate the impact of diabetes on pulmonary function through a meta-analysis.
  • To quantify the association between diabetes and key lung function parameters.

Main Methods:

  • A systematic literature search identified 40 studies.
  • Data from 3,182 diabetic patients and 27,080 control subjects were pooled.
  • Mean differences in lung function parameters between groups were calculated.

Main Results:

  • Diabetes was associated with statistically significant reductions in FEV1 (-5.1%), FVC (-6.3%), and carbon monoxide diffusion (-7.2%).
  • No significant difference in the FEV1/FVC ratio was observed (0.1%).
  • Factors like BMI, smoking, diabetes duration, and HbA1c did not explain heterogeneity.

Conclusions:

  • Diabetes is associated with a modest but significant restrictive pattern of impaired pulmonary function.
  • Further research should explore clinical implications in diabetic patients with existing pulmonary conditions like COPD or asthma.