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一个病例的Post-Bariatric低血糖与虚假的低血糖
Michaela L Gregory1, Helen M Lawler1
1Division of Endocrinology, Metabolism, and Diabetes, University of Colorado School of Medicine, Aurora, Colorado.
AACE endocrinology and diabetes
|February 5, 2026
概括
诊断导致低血糖的虚假胰岛素使用是很困难的,特别是与同时存在的腹后低血糖症. 这一案例表明,非典型的c-水平仍然可以表明隐性胰岛素的使用.
科学领域:
- 内分泌学 在内分泌学.
- 胃肠病学 胃肠病学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 诊断虚假的胰岛素给药是具有挑战性的,特别是当内源性低血糖症同时存在时.
- 假定低血糖症的延迟诊断会增加患者的发病率和医疗费用.
- 病后低血糖症 (PBH) 和虚假的胰岛素使用可能会出现重叠的症状.
研究的目的:
- 描述一个同时使用虚假胰岛素和PBH的独特案例.
- 突出诊断挑战和区分这些疾病的特定生化标志物.
- 强调在差异诊断中考虑隐性低血糖的重要性.
主要方法:
- 一个32岁的妇女的病例报告,她有Roux-en-Y胃绕道术的病史.
- 评估症状性低血糖事件,包括食后和禁食状态.
- 生物化学测试包括混合饮食耐受性测试,72小时禁食,胰岛素,c-和亲胰岛素水平.
主要成果:
- 患者呈现出与PBH一致的症状性低血糖症,经混合饮食耐受性测试证实.
- 在72小时的禁食期间,观察到高胰岛素性低血糖症,这表明隐蔽使用胰岛素.
- 尽管患有低血糖症,但c-水平并未完全抑制;然而,胰岛素与c-的比例升高和低的亲胰岛素水平支持了外源性胰岛素的使用.
结论:
- 同时使用虚假胰岛素和PBH可能会发生,造成诊断困难.
- 在胰岛素诱导的低血糖症中,非典型的c-抑制是可能的.
- 临床表现,胰岛素与C-的比例和亲胰岛素水平对于诊断隐性胰岛素使用至关重要.
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