Abstract
Background and objectivesIt has been hypothesized that changes in lung function can occur in patients with diabetes. Nevertheless, it is unclear how much of this correlation links with biomarkers of metabolism disorder. We have investigated the association between hypoglycaemic and fat profile with lung function in Indian diabetic subjects.DesignProspective observational study.SettingDiabetes care unit of King Edward Memorial (KEM) hospital.PatientsOut of 465 patients who agreed to participate in this study, valid lung function data were available from 347 Type 2 diabetic subjects.MeasurementsPulmonary function test including predicted forced vital capacity (% FVC), predicted forced expiratory volume in 1 second (% FEV1) and FEV1/FVC ratio were assessed. We also examined fat profile, glucose, HbA1c, hemoglobin and other hematological parameters.ResultsFour hundred sixty-five subjects aged 55 ± 11 participated in the study. Predicted forced vital capacity, % FEV1 and FEV1/FVC ratio was 85.88 ± 13.53, 85.87 ± 14.06 and 82.03 ± 6.83, respectively. Also, approximately 8 to 17% of the participant reported having at least one chronic respiratory symptom or lung disease. We found that high glycaemic measures (i.e. fasting and post-meal plasma glucose) are linked with dyspnea. In addition, HDL (high-density lipoprotein) concentration was directly associated with % FVC.ConclusionsIt is difficult to draw a clear conclusion about the cause-effect relationship or clinical impact based on this study alone. However, identification of clinically meaningful elements for developing a screening program is critical.
Highlights
Background and objectivesIt has been hypothesized that changes in lung function can occur in patients with diabetes
We found that high glycaemic measures are linked with dyspnea
Diabetes mellitus (DM) describes a metabolic disorder of multiple etiologies characterized by chronic hyperglycaemia with disturbances of fat, protein and carbohydrate metabolism due to impairment in insulin secretion, insulin action, or both [1]
Summary
It has been hypothesized that changes in lung function can occur in patients with diabetes. It is unclear how much of this correlation links with biomarkers of metabolism disorder. Some studies have reported DM to be associated with lower development of respiratory distress [6,7,8], whereas others found that DM increases the risk of this disorder [9]. A high proportion of patients with chronic respiratory disease have simultaneous metabolic disorders [10,11,12]. Metabolic disorders, especially diabetes that generally manifested with obesity, are associated with a substantial loss of pulmonary function in a restrictive pattern [16,17,18,19]
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