Infection:与严重李斯特菌病康复后早期死亡相关的危险因素

2022-07-05 xuyihan MedSci原创

斯特菌(学名:Listeria monocytogenes),又名单核球增多性李斯特菌、李氏菌,是一种兼性厌氧细菌,为李斯特菌症的病原体。

单核细胞增生李斯特菌是一种普遍存在的兼性厌氧革兰氏阳性杆菌, 能够在极端恶劣的条件下持续存活。摄入受污染的食物是最常见的感染方式,李斯特菌病在高危人群中可能以威胁生命的形式出现,死亡率很高,侵袭性疾病通常表现为脑膜炎、脑膜脑炎或可导致败血症的原发性菌血症。大多数研究倾向于根据临床表现将严重李斯特菌病分为两组:菌血症临床病程(如菌血症或败血症)和神经李斯特菌病(如脑膜炎、脑膜脑炎或菱脑炎)。本研究的目的是在西班牙格拉纳达的一组确诊病例中分析 与李斯特菌病引起的住院死亡率相关的因素和与感染解决后早期死亡率相关的因素。

 

 

本项研究共纳入了包括2005年1月至2021年12月西班牙格拉纳达省通报的所有李斯特菌病病例。然后通过访问医疗记录和流行病学数据进行患者随访。研究人员进行了双变量和多变量分析,以检测与住院死亡率、康复后 1 年和 5 年早期死亡相关的潜在危险因素。

本项研究共纳入206名患者,平均年龄为62.6岁。同时研究人员观察到很高的合并症概率(88.3%),42名患者(20.4%)在住院期间死亡。从急性感染中恢复的患者中,26 人(15.9%)在次年死亡,47人(28.7%)在接下来的5年内死亡。与康复后早期死亡率相关的主要因素是年龄(HR:1.03;95% CI 1.02-1.07)、糖尿病(HR 1.86, 95% CI 1.01-3.44)、慢性肾病(HR 3.96, 95% CI 1.87- 8.38)、肝病 (HR 3.62, 95% CI 1.64–8.51) 和癌症 (HR 3.76, 95% CI 1.90–7.46)。

本项研究证实李斯特菌病与较高的康复后死亡率有关。本项研究发现了年龄,糖尿病,慢性肾病和肝病是主要的危险因素,这可能有助于改善成人严重李斯特菌病的预防性随访策略。

原始出处:

Mario Rivera-Izquierdo. Et al. Risk factors associated with early mortality after recovery from severe listeriosis: a multicentre 17-year longitudinal study. Infection.2022.

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