機械学習を用いた2型糖尿病患者の無症状細菌尿と症状性尿路感染症の区別のための個別化された予測モデル
Shuangqing Liu1, Juan Li2, Yang Fang3,4
1Department of Clinical Laboratory, The Second Hospital of Tianjin Medical University, Tianjin, China.
Frontiers in endocrinology
|August 21, 2025
まとめ
尿路感染症 (UTI) の2型糖尿病患者は,無症状のバクテリアウリア (ASB) と症状のUTIを区別することが困難である. 新しいモデルであるASBPredictorは,これらの状態を正確に区別し,抗菌剤の処方を改善します.
科学分野:
- 泌尿器科
- 感染症
- 糖尿病について
背景:
- 2型糖尿病 (T2DM) の患者は,尿路感染症 (UTIs) に敏感性が高く,しばしば尿病原性エシェリキア・コライ (UPEC) によって引き起こされます.
- T2DM患者における無症状細菌尿症 (ASB) と症状性尿路感染症の区別は,臨床的に難しいが,適切な抗菌薬の使用に不可欠である.
研究 の 目的:
- T2DM患者の症状性尿路感染症とASBを区別するための予測モデル"ASBPredictor"を開発し,検証する.
- ASBの予測に寄与する重要な臨床的および実験的要因を特定する.
主な方法:
- 2018年から2023年の間にT2DMおよびUPECによる尿路感染症を患った337人の患者について,遡及的チャートレビューが行われました.
- 人口統計と臨床データは,ASBPredictorモデルを訓練し,開発するために収集されました.
主要な成果:
- この研究には158例のASB (46. 9%) と179例の症状性尿路感染症 (53. 1%) が含まれていた.
- ASBPredictorは0.82の曲線下の面積を達成し,高い予測精度を証明しました.
- ASBの主要な予測因子には,尿中の細菌,尿中の白血球群,C反応性タンパク質,アラニンアミノトランスフェラゼ,グルコース,ガンマグルタミルトランスペプチダゼ,ナトリウムイオン (Na+),エオシノフィルが含まれていた.
結論:
- ASBPredictorは,臨床医がT2DM患者のASBと症状性尿路感染症を区別するための正確で効率的なツールとして機能します.
- ASBPredictorによる差異診断の改善により,より合理的な抗菌薬の処方方法が生まれます.
関連する概念動画
Diabetes Mellitus: Type 2 and Gestational
2.9K
Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
2.9K
Steps in Outbreak Investigation
199
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
199
Diabetes: Symptoms, Diagnosis, and Complications
687
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
687
Urinary Tract Infection I: Introduction
48
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
48
Diabetes Mellitus: Overview and Type I Subtype
3.2K
Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
3.2K
Urinary Tract Infection II: Pathophysiology
43
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
43


