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除了不扎手指,动态血糖仪还能带来哪些获益?

发布于 2023-08-30 · 浏览 1138 · IP 湖南湖南
这个帖子发布于 1 年零 253 天前,其中的信息可能已发生改变或有所发展。
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在当今医疗科技不断创新的时代,三诺爱看动态血糖仪作为一项引人瞩目的血糖监测技术,正为糖尿病患者带来希望。而随着糖尿病患病率在全球范围内不断上升,更有效地监测和管理血糖水平,对于防控并发症、提升生活质量,乃至保障糖友健康是至关重要的一步。


在这样的背景下,我们不禁要问:动态血糖仪究竟能够为广大糖友带来哪些显著获益?接下来,跟随诺诺的脚步,让我们一窥这项技术的魅力所在~


有效管控血糖


糖化血红蛋白(HbA1c)是血红蛋白与血液中的葡萄糖结合形成的一种物质。空腹血糖、餐后2小时血糖、随机血糖等常规血糖监测项目,其反映的都是人体即时的血糖数值,容易受到进食、药物和其他影响糖代谢因素的影响。而HbA1c较为不同,HbA1c是通过持续、缓慢、不可逆的非酶反应产生的,其含量是由过去的而非即时的血糖浓度决定。因此,HbA1c浓度可有效地反映过去8~12周平均血糖水平,是反映长期血糖控制平均水平的“金标准”!


一般来说,HbA1c的正常范围为4%-6%,如果超过这个范围,则说明血糖控制不良,糖尿病并发症的发生风险也会相应增加,需要加强治疗和管理;若HbA1c≥6.5%则可考虑为糖尿病。动态血糖仪具有实时监测以及预测血糖趋势等优势,可降低HbA1c,且不增加低血糖发生风险。


有20项随机对照研究比较了动态血糖仪组与自我血糖监测组对糖尿病患者血糖控制的影响[2-3,5-21,23]。其中12项研究[2-4,7-8,10,16-20,23]发现,与对照组比较,使用动态血糖仪的患者HbA1c显著降低,其主要原因与动态血糖仪能即时反馈血糖水平,具有高/低血糖报警、预警功能密切相关,这些功能使糖尿病患者能根据血糖情况及时调整生活方式,医疗人员能及时地调整治疗方案,达到更好的降糖效果。


有研究[3,16]发现,动态血糖仪使用时间>70%的患者,其HbA1c显著降低;另有2项研究[15,21]各亚组结果不一致,每两周使用3天的动态血糖仪患者,与自我血糖监测组比较无差异,而持续使用动态血糖仪的患者,其HbA1c低于自我血糖监测组[21];<25岁的患者不经常使用动态血糖仪,则获益较少;>25岁的患者使用动态血糖仪时间更多,效果明显优于自我血糖监测[15]。以上结果与大型观察性研究[22]结果一致,即佩戴动态血糖仪时间与HbA1c水平密切相关。


可显著减少血糖波动幅度


无论是健康人还是糖友,其血糖水平都会在一定范围内波动,这是正常的生理现象。但如果血糖波动超过正常范围、波动幅度过大则会带来一定的不利影响。


血糖波动是评价糖尿病患者血糖控制的重要指标。当血糖波动幅度过大时,会激活一种叫做“氧化应激”的反应,这会对血管内壁的细胞造成伤害,导致长期的炎症状态,进而损害血管的健康,并增加糖尿病并发症的风险。


动态血糖仪可通过实时、连续地监测人体组织间液中的葡萄糖浓度,并反馈数据,让糖友们能够更为精准地掌握自己的血糖水平变化,并可在医生的建议下有效地调整饮食、药物和生活方式。有12项研究[2-13]比较对照组和使用动态血糖仪的糖尿病患者治疗前、后的血糖波动幅度变化,其中8项研究[3,5-8,10-12]结果显示,使用动态血糖仪可显著减少血糖波动幅度。


减少低血糖发生风险


减少低血糖的发生风险也是动态血糖仪的优势之一。动态血糖仪能够提供持续不断的实时血糖数据,并显示血糖的趋势图,让患者更为清晰地了解血糖的变化情况,从而采取适当的措施来避免低血糖的发生风险。


除此之外,动态血糖仪还可以通过预警或报警功能来提醒患者及时处理低血糖事件。一旦血糖接近或达到低血糖水平,系统会发出警报,提醒患者采取措施,如摄入碳水化合物等,以防止低血糖的发生。


有17 项研究[2-9,11-12,14-20]观察动态血糖仪对糖尿病患者低血糖的影响,其中10项研究[2,4-7,9,11-12,14,19]结果表明,动态血糖仪组治疗前、后低血糖发生次数或时间减少幅度明显大于对照组。这是由于针对夜间低血糖、无症状低血糖发作,动态血糖仪能通过预测血糖变化趋势,防止低血糖的发生,同时,低血糖报警和预警功能可提醒患者及时处理低血糖事件。


由此可见,动态血糖仪在糖尿病患者的日常生活中扮演着重要的角色。除了避免频繁扎手指这一明显的好处外,动态血糖仪还带来了更多实际的益处。


动态血糖仪通过提供实时、连续的血糖数据,以及高/低血糖报警、预警功能等,能帮助糖友们更好地了解自己的血糖变化趋势,同时也有助于糖友和医生能够迅速采取行动,从而有效控制血糖、及早发现血糖异常波动,防止高/低血糖造成的严重后果。


参考文献:

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最后编辑于 2023-08-30 · 浏览 1138

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