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Chest:止血和脂蛋白异常加重肺结核!

2017-12-16 MedSci MedSci原创

当结核病(TB)合并糖尿病(DM)时常常导致免疫病理学的加重,但是其潜在的机制尚不清楚。近期,一项发表在杂志Chest上的研究对这一问题进行了研究。研究者们在两组年龄和性别匹配的结核病患者(DM-TB)和无DM患者(NDM-TB)中,通过显微镜评估了干酪样坏死的面积,并分级评估了痰涂片阴性(SN)患者的肺活检组织中的坏死性纤维化程度。此外,研究者们在涂片阳性(SP)患者中评价抗酸杆菌,并汇集了来自

当结核病(TB)合并糖尿病(DM)时常常导致免疫病理学的加重,但是其潜在的机制尚不清楚。

近期,一项发表在杂志Chest上的研究对这一问题进行了研究。研究者们在两组年龄和性别匹配的结核病患者(DM-TB)和无DM患者(NDM-TB)中,通过显微镜评估了干酪样坏死的面积,并分级评估了痰涂片阴性(SN)患者的肺活检组织中的坏死性纤维化程度。此外,研究者们在涂片阳性(SP)患者中评价抗酸杆菌,并汇集了来自SN-TB和SP-TB患者的计算机断层扫描数据。最后比较累炎症生物标志物和常规血液学和生化参数。应用二元逻辑回归分析来确定与肺损伤程度相关的指标。

此项研究结果发现,在SN-DM-TB患者中发现了更大的干酪样坏死区,加重了纤维化包膜,这与SP-DM-TB患者的痰中厚壁空洞和更多的杆菌比例一致。在SN-TB组中,男性患者比女性患者出现更大的坏死灶。在SN-DM-TB受试者中观察到明显增高的纤维蛋白原和更低的HDL-C。

回归分析显示,糖尿病、凝血途径激活(通过增加的血小板分布宽度,降低到平均血小板体积和缩短到凝血酶原时间显示)和血脂异常(通过LDL-C、HDL-C和ApoA到降低显示)是严重肺SN-TB和SP-TB患者的病变的危险因素。

此项研究结果表明:止血和血脂异常与肉芽肿坏死和纤维组织增生相关,其可以导致肺结核加重,特别是在合并糖尿病的结核病患者中。

原始出处:
Dong Z, Shi J, et al. Hemostasis and lipoprotein indices signify exacerbated lung injury in tuberculosis with diabetes comorbidity. Chest. 2017 Dec 7. pii: S0012-3692(17)33208-7. doi: 10.1016/j.chest.2017.11.029.

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    2018-04-24 Smile2680
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    2017-12-18 jeanqiuqiu
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