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Recurrent Granulibacter bethesdensis Infections and Chronic Granulomatous Disease

机译:反复发生贝塞斯芽孢杆菌感染和慢性肉芽肿病

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摘要

Chronic granulomatous disease (CGD) is characterized by frequent infections, most of which are curable. Granulibacter bethesdensis is an emerging pathogen in patients with CGD that causes fever and necrotizing lymphadenitis. However, unlike typical CGD organisms, this organism can cause relapse after clinical quiescence. To better define whether infections were newly acquired or recrudesced, we use comparative bacterial genomic hybridization to characterize 11 isolates obtained from 5 patients with CGD from North and Central America. Genomic typing showed that 3 patients had recurrent infection months to years after apparent clinical cure. Two patients were infected with the same strain as previously isolated, and 1 was infected with a genetically distinct strain. This organism is multidrug resistant, and therapy required surgery and combination antimicrobial drugs, including long-term ceftriaxone. G. bethesdensis causes necrotizing lymphadenitis in CGD, which may recur or relapse.
机译:慢性肉芽肿性疾病(CGD)的特征是经常感染,其中大多数可以治愈。贝塞斯格兰德杆菌是CGD患者中的一种新兴病原体,可引起发烧和坏死性淋巴结炎。但是,与典型的CGD生物不同,该生物可在临床静止后引起复发。为了更好地确定感染是新获得的还是复发的,我们使用比较细菌基因组杂交技术来表征从北美洲和中美洲的5名CGD患者中获得的11种分离株。基因组分型显示,3例患者在明显的临床治愈后数月至数年反复感染。两名患者感染了以前分离出的相同菌株,其中一名感染了遗传上不同的菌株。这种生物具有多重耐药性,需要手术治疗和联合使用抗菌药物,包括长期使用的头孢曲松钠。 G. bethesdensis导致CGD坏死性淋巴结炎,可能复发或复发。

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