Laboratory Medicine ›› 2024, Vol. 39 ›› Issue (9): 895-899.DOI: 10.3969/j.issn.1673-8640.2024.09.013

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Influence of glycated hemoglobin A1c on pathogens of urinary tract infection in patients with type 2 diabetes mellitus

WANG Yawen, ZHANG Yingying, NIU Wenyan()   

  1. National Health Commission Key Laboratory of Hormones and Development,Tianjin Key Laboratory of Metabolic Diseases,Department of Clinical Laboratory,Chu Hsien-I Memorial Hospital,Tianjin Institute of Endocrinology,Tianjin Medical University,Tianjin 300134,China
  • Received:2023-10-10 Revised:2024-01-18 Online:2024-09-30 Published:2024-10-15

Abstract:

Objective To investigate the influence of glycated hemoglobin A1c (HbA1c) on the distribution and drug resistance of pathogens associated with urinary tract infection in patients with type 2 diabetes mellitus (T2DM). Methods From September 2021 to September 2022,160 T2DM inpatients with urine culturing positive were enrolled from Chu Hsien-I Memorial Hospital of Tianjin Medical University. According to the HbA1c determination results,they were classified into group A (5.5% < HbA1c≤9.0%,84 cases) and group B (HbA1c>9.0%,76 cases). The distribution and drug resistance of urinary tract infection pathogens were compared between the 2 groups. Results A total of 182 isolates of pathogens were isolated from 160 T2DM patients with urinary tract infection. The determination rates of Gram-negative bacteria in the 2 groups were the highest (69.38% and 64.29%,respectively),mainly Escherichia coli(>50.00%). The determination rates of Gram-positive bacteria and fungi in group A were 16.33% and 14.29%,respectively. The determination rates of Gram-positive bacteria and fungi in group B were 10.71% and 25.00%,respectively. The drug resistance rate of Escherichia coli in group B to tobramycin and ampicillin-sulbactam was higher than that in group A (P<0.05). The determination rate of multi-drug-resistant Escherichia coli in group B was higher than that in group A (P=0.046). Conclusions he determination rate of fungi in T2DM patients with high HbA1c level and urinary tract infection are high. The drug resistance of Escherichia coli to some antibiotics in T2DM patients with urinary tract infection increases with the increase of HbA1c level.

Key words: Glycated hemoglobin A1c, Type 2 diabetes mellitus, Urinary tract infection, Pathogen, Drug resistance

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