[Lung function in patients with diabetes mellitus].
C Fontaine-Delaruelle1, C Viart-Ferber2, C Luyton3
1Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite cedex, France; Faculté de médecine Lyon Est, université Lyon 1, 69003 Lyon, France.
Revue De Pneumologie Clinique
|July 22, 2015
Summary
Diabetes mellitus significantly impairs respiratory function, leading to reduced lung capacity and diffusing capacity for carbon monoxide (DLCO). This complication is linked to neuropathy, vascular issues, kidney problems, and insulin use in diabetic patients.
Area of Science:
- Pulmonary Medicine
- Endocrinology
- Diabetology
Background:
- Diabetes mellitus is a systemic disease with underrecognized pulmonary complications.
- Impaired pulmonary function is a potential complication of diabetes mellitus.
- Obesity is also associated with respiratory issues, necessitating comparison with diabetic individuals.
Purpose of the Study:
- To compare pulmonary function between diabetic and obese non-diabetic individuals.
- To identify predictors of reduced diffusing capacity of the lung for carbon monoxide (DLCO) in diabetic patients.
Main Methods:
- Retrospective analysis of hospitalized patients undergoing pulmonary function tests.
- Classification of patients into diabetic and obese non-diabetic groups.
- Review of medical charts for demographic and clinical data.
Main Results:
- Diabetic patients exhibited significantly lower forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), total lung capacity (TLC), and DLCO compared to obese non-diabetic controls.
- Low DLCO was associated with diabetic neuropathy, carotid atheroma, renal impairment, and insulin therapy.
- 89 patients were included: 62 diabetic and 27 obese non-diabetic.
Conclusions:
- Diabetes mellitus is associated with significant impairment of respiratory function.
- Key indicators of reduced lung function in diabetes include decreased FVC, FEV1, TLC, and DLCO.
- Pulmonary function deficits in diabetes are linked to specific microvascular and macrovascular complications.
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