在Mycobacterium Chimaera中的多模式成像心血管感染:梅奥诊所的经验
Shravya Vinnakota1, Alex D Tarabochia2, Nicholas Y Tan3
1Department of Cardiology, Lahey Hospital and Medical Center, Beverly, MA.
Mayo Clinic proceedings. Innovations, quality & outcomes
|August 5, 2024
概括
多模式心血管成像在心脏手术后诊断传播的Mycobacterium chimaera (MC) 感染时有助于. 图像检测的结果是微妙的,通常需要高度的怀疑,以便早期检测和管理.
科学领域:
- 心血管成像 - 心血管成像
- 传染性疾病 传染性疾病
- 医学诊断 医学诊断 医学诊断
背景情况:
- 传播的Mycobacterium chimaera (MC) 感染是一种罕见但严重的并发症,发生在心脏手术后,涉及心肺旁路.
- 污染的加热冷却机已被确定为MC传播的来源.
- 早期诊断和管理对于改善患者的治疗结果至关重要.
研究的目的:
- 审查多模式心血管成像在患有扩散性MC感染的患者的关键特征.
- 突出各种成像模式在MC感染的诊断和管理中的作用.
- 评估不同成像技术在识别心脏参与方面的诊断实用性.
主要方法:
- 从2010年1月到2021年4月,对12名经证实患有MC感染的患者进行了回顾性审查.
- 电子医疗记录的分析侧重于心血管成像:胸前心电图,食管内心电图,心脏CT,心脏MRI和PET-CT.
- 与MC感染诊断相关的成像发现的评估.
主要成果:
- 胸外回声心脏图显示大多数患者的非特异性异常,其中27.3%符合内心炎标准.
- 经食道心声检查发现了植被 (36.7%) 和大动脉根/伪动脉瘤 (27.3%).
- 心脏CT,MRI和PET-CT显示了伪动脉瘤,,假肢环衰变,植被,心肌炎和多器官参与 (在PET-CT中高达70%).
结论:
- 多模式心血管成像对于管理扩散性MC感染至关重要,有助于在微生物学确认之前进行初步诊断.
- 图像检测结果可能是微妙的和非典型的,往往不符合杜克的内心炎标准.
- 临床医生需要一个高的怀疑指数和一个低的门,在模两可的情况下重复成像.
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