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首页> 外文期刊>Arquivos Brasileiros de Oftalmologia >Aerobic bacterial microbiota of the conjunctiva in diabetic patients with normal and altered glycated hemoglobin levels in two regions in Brazil
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Aerobic bacterial microbiota of the conjunctiva in diabetic patients with normal and altered glycated hemoglobin levels in two regions in Brazil

机译：巴西两个地区糖化血红蛋白水平正常和改变的糖尿病患者结膜中需氧菌群

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Purpose: To study the aerobic bacterial microbiota of the conjunctiva in diabetic patients with regard to the management of diabetes, assessed using glycated hemoglobin levels. Methods: A cross-sectional study was conducted using conjunctival smears of diabetic patients from both sexes and with different ages, residing in two different Brazilian cities (Sorocaba and Rio Branco). A control group of non-diabetic patients was also included. The diabetic patients were considered to have controlled diabetes when their glycated hemoglobin level was ≤7% and blood glucose level was ≤126 mg/dL. Patients with non-controlled diabetes were those with glycated hemoglobin levels 7% and blood glucose levels 126 mg/dL. The samples obtained were inoculated in Brain-Heart Infusion broth and in culture media for aerobic bacteria (blood and chocolate agars); bacterial growth was evaluated in a microbiology laboratory. Results: A total of 120 eyes of 120 patients were included in the present study. The percentage of cultures in which bacterial growth was observed was greater in diabetic patients, although the difference was not statistically significant (p=0.103). There was a greater trend toward bacterial growth in the conjunctiva of diabetic patients with altered fasting blood glucose. There was no difference in the frequency of bacterial growth on the conjunctiva between diabetic patients with normal or altered glycated hemoglobin levels. In Sorocaba, conjunctival bacterial growth was similar to that observed in Rio Branco. The microorganism most frequently detected in the present study was Staphylococcus epidermidis, followed by Staphylococcus aureus, Proteus mirabilis, and Escherichia coli. Conclusion: There was no difference between diabetic patients with normal or altered glycated hemoglobin levels. The microorganisms found were similar to those found in studies investigating the conjunctival bacterial flora of diabetic and non-diabetic patients.
机译：目的：利用糖化血红蛋白水平评估糖尿病患者糖尿病结膜需氧菌群。方法：一项横断面研究是使用居住在巴西两个不同城市（索罗卡巴和里奥布兰科）的男女性别不同年龄的糖尿病患者的结膜涂片进行的。还包括非糖尿病患者的对照组。当糖尿病患者的糖化血红蛋白水平≤7％且血糖水平≤126mg / dL时，被认为患有糖尿病。患有非控制性糖尿病的患者是糖化血红蛋白水平> 7％和血糖水平> 126 mg / dL的患者。将获得的样品接种在Brain-Heart Infusion肉汤和培养基中，以接种需氧细菌（血液和巧克力琼脂）;在微生物实验室中评估细菌的生长。结果：本研究共纳入120例患者的120眼。糖尿病患者中观察到细菌生长的培养物百分比更高，尽管差异无统计学意义（p = 0.103）。空腹血糖改变的糖尿病患者结膜中细菌生长的趋势更大。在糖化血红蛋白水平正常或改变的糖尿病患者之间，结膜上细菌生长的频率没有差异。在索罗卡巴，结膜细菌的生长与在里约布兰科观察到的相似。在本研究中最常检测到的微生物是表皮葡萄球菌，其次是金黄色葡萄球菌，奇异变形杆菌和大肠杆菌。结论：糖化血红蛋白水平正常或改变的糖尿病患者之间没有差异。发现的微生物与研究糖尿病和非糖尿病患者结膜细菌菌群的研究相似。

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