了动脉血气分析。但急性呼吸窘迫综合征（ARDS）患者的脉氧饱和度/吸入气体氧含量（SpO2/FiO2）比值与氧分压/吸入气体氧含量比值的相关性尚存在争议。目前，SpO2/FiO2 比值能否代替 PaO2/FiO2 比值用来诊断 ARDS，以及由 SpO2/FiO2 比值诊断的患者与 PaO2/FiO2 比值诊断的患者是否存在

Brachytherapy (BT) plays a crucial role in the management of invasive cervix cancer from stage I to IV.\r\nIntracavitary techniques are based on afterloading devices, with different types of applicators. CT and/or MRI compatible applicators allow a\r\nsectional image based approach with a better assessment of gross tumour volume (GTV) and definition and delineation of target volume (CTV) compared to traditional approaches. Accurate and reproducible delineation of GTV, CTV and PTV, as well as of critical organs has a direct impact on BT treatment planning, especially if it is possible to adapt the pear-shape isodose by optimisation using DVH analysis. When introducing a 3D image based approach for GTV and CTV assessment, there is a need for a common language to describe the concepts and to define the terms which are to be used.

近日，AJNR 杂志刊登了如下一则病例报道，可帮助我们更好的认识低血糖脑病，一起来看下。病例 1患者男性，45 岁，既往有糖尿病和高血压病史，出现癫痫发作，目前处于昏迷状态。图 1-3. 水平位 DWI 及相对应的 ADC 图片提示海马回、基底神经节和双侧皮质扩散受限，且呈对称性。病例 2患者女性，81 岁，出现

注：因目前参考资料仍是 2013 年版的《中国 2 型糖尿病防治指南》故没有将 SGLT 2 抑制剂加入药物治疗流程图中。但 SGLT2 抑制剂已被美国及欧洲糖尿病学会、美国临床内分泌医师协会、国际糖尿病联盟老年糖尿病患者治疗指南等推荐为 2 型糖尿病治疗一线/二线用药。感谢本文审稿专家兰州军区乌鲁木齐总医院

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