NEJM:肺炎球菌菌血症和脑膜炎-病例报道

2018-11-22 xing.T MedSci原创

脓毒症可能在无脾症患者中迅速发展并致命。肺炎链球菌是一种有包囊的微生物体,通过主要存在于脾脏中的吞噬细胞通过免疫球蛋白介导的调理作用而被清除。无脾导致抗体介导的吞噬作用减弱,增加宿主对包囊病原体的易感性。

患者为一名64岁的男性,既往存在人类免疫缺陷病毒感染、2型糖尿病和创伤后脾切除史,因精神错乱、头痛和发发热而到急诊就诊。他没有接受过定期的医疗护理,也没有服用过任何药物。脾切除术后的接种史不详。

在体格检查中,患者出现低血压,心动过速,颈部僵硬和Brudzinski征。实验室检查发现白细胞计数为每立方毫米14900(正常范围为4000-11,000),血小板计数为每立方毫米38000(正常范围为140000-400000)。从患者血液的培养瓶中取出的等分血液在孵育1.5小时后(如图A所示)以及患者的脑脊液(没有培养)(如图B所示)的革兰氏染色显示大量的成对和链状革兰氏阳性球菌,诊断为暴发性肺炎球菌败血症。



脓毒症可能在无脾症患者中迅速发展并致命。肺炎链球菌是一种有包囊的微生物体,通过主要存在于脾脏中的吞噬细胞通过免疫球蛋白介导的调理作用而被清除。无脾导致抗体介导的吞噬作用减弱,增加宿主对包囊病原体的易感性。

该患者入住重症监护病房并接受静脉注射万古霉素、头孢曲松和免疫球蛋白治疗。尽管患者的血压最初稳定,但患有严重的认知障碍,并且他被转移至临终关怀护理中心。

原始出处:

Andres L. Mora Carpio, et al. Pneumococcal Bacteremia and Meningitis.N Engl J Med 2018;https://www.nejm.org/doi/full/10.1056/NEJMicm1806754

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    2018-11-23 龙胆草

    学习谢谢分享

    0

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    2018-11-22 王秀

    学习了,涨知识了!

    0

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