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Year : 2023  |  Volume : 2  |  Issue : 1  |  Page : 35-40

Diabetic neuropathy, a cause of pulmonary dysfunction in patients of type 2 diabetes mellitus: A prospective cross-sectional study

1 Department of Physiology, J.N Medical College, Aligarh Muslim University, Aligarh, India
2 Rajiv Gandhi Centre for Diabetes and Endocrinology, J.N Medical College, Aligarh Muslim University, ALigarh, India

Correspondence Address:
Hamid Ashraf
Jawaharlal Nehru Medical College Hospital, Aligarh Muslim University, Aligarh, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/bjem.bjem_15_22

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Introduction: Diabetic neuropathy (DN) is most commonly associated with diabetic peripheral neuropathy (DPN). About 66% of diabetic patients have either clinical or subclinical neuropathy. Materials and Methods: One hundred and twenty patients were enrolled in our study, 60 patients are of Type 2 diabetes mellitus (T2DM) with neuropathy (DPN), and 60 were of T2DM without neuropathy. They were assessed for neuropathy. Serum fasting blood glucose, postprandial blood glucose, glycosylated hemoglobin A1C (HbA1C), and duration of disease were obtained from the patients. Forced expiratory volume at the 1st s (FEV1) and forced vital capacity were recorded and % FEV1 was calculated. Results: The mean age of T2DM with neuropathy was 49.17 ± 7.1 and in patients of T2DM without neuropathy was 46.63 ± 8.028. The mean value of % FEV1 in T2DM with neuropathy is 95.45 ± 7.16, while in T2DM without neuropathy, it is 83.53 ± 6.22, and the difference was statistically significant. Linear correlation of % FEV1 with fasting plasma glucose (FPG) (r = 0.474, P = 0.008) and HbA1C (r = 0.588, P = 0.001) shows a statistically significant association in diabetic peripheral neuropathy. The standardized β weights of FPG, postprandial plasma glucose, and HbA1C show significant values in patients of DPN. Conclusion: Diabetic peripheral neuropathy (DPN) is associated with decreased pulmonary function as compared to patients of diabetes without neuropathy, the glycemic status of patients may also adversely affect % FEV1. Thus, proper control of hyperglycemia will decrease the further progression of the disease. We also suggest performing pulmonary function test in patients of diabetes mellitus with DN in the preoperative period so as to optimize the perioperative care.

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