Dataset Information

Porphyromonas asaccharolytica as a Rare Causative Agent for Lemierre's Syndrome.

ABSTRACT: Lemierre's syndrome is a rare disease associated with significant morbidity and mortality. It begins with an oropharyngeal infection, which spreads locally to involve the internal jugular vein causing thrombophlebitis, followed by distant spread and metastatic infections. Affected individuals are commonly young adults. Causative organisms are usually oropharyngeal flora, most commonly being the anaerobe Fusobacterium necrophorum. Porphyromonas asaccharolytica is a rare etiological agent with only three cases being reported in the literature. This case report describes a previously healthy 22-year-old man who initially presented with acute tonsillitis and was later found to have left internal jugular vein thrombophlebitis along with bilateral septic emboli to the lungs. The patient was treated with a five-week course of ampicillin-sulbactam and metronidazole. Subsequent imaging also showed progression of internal jugular vein thrombus, for which warfarin was given for three months for anticoagulation.

SUBMITTER: Gupta M

PROVIDER: S-EPMC6247719 | biostudies-other | 2018

REPOSITORIES: biostudies-other

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Porphyromonas asaccharolytica as a Rare Causative Agent for Lemierre's Syndrome.

Gupta Mridul M Annam Radhika R Bahgat Joseph J Eng Margaret M

Case reports in infectious diseases 20181107

Lemierre's syndrome is a rare disease associated with significant morbidity and mortality. It begins with an oropharyngeal infection, which spreads locally to involve the internal jugular vein causing thrombophlebitis, followed by distant spread and metastatic infections. Affected individuals are commonly young adults. Causative organisms are usually oropharyngeal flora, most commonly being the anaerobe Fusobacterium necrophorum. Porphyromonas asaccharolytica is a rare etiological ...[more]

PMID: 30533234

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Project description:BackgroundBurkholderia pseudomallei is a soil-dwelling bacterium and the causative agent of melioidosis. The global burden and distribution of melioidosis is poorly understood, including in the Caribbean. B. pseudomallei was previously isolated from humans and soil in eastern Puerto Rico but the abundance and distribution of B. pseudomallei in Puerto Rico as a whole has not been thoroughly investigated.Methodology/principal findingsWe collected 600 environmental samples (500 soil and 100 water) from 60 sites around Puerto Rico. We identified B. pseudomallei by isolating it via culturing and/or using PCR to detect its DNA within complex DNA extracts. Only three adjacent soil samples from one site were positive for B. pseudomallei with PCR; we obtained 55 isolates from two of these samples. The 55 B. pseudomallei isolates exhibited fine-scale variation in the core genome and contained four novel genomic islands. Phylogenetic analyses grouped Puerto Rico B. pseudomallei isolates into a monophyletic clade containing other Caribbean isolates, which was nested inside a larger clade containing all isolates from Central/South America. Other Burkholderia species were commonly observed in Puerto Rico; we cultured 129 isolates from multiple soil and water samples collected at numerous sites around Puerto Rico, including representatives of B. anthina, B. cenocepacia, B. cepacia, B. contaminans, B. glumae, B. seminalis, B. stagnalis, B. ubonensis, and several unidentified novel Burkholderia spp.Conclusions/significanceB. pseudomallei was only detected in three soil samples collected at one site in north central Puerto Rico with only two of those samples yielding isolates. All previous human and environmental B. pseudomallei isolates were obtained from eastern Puerto Rico. These findings suggest B. pseudomallei is ecologically established and widely dispersed in the environment in Puerto Rico but rare. Phylogeographic patterns suggest the source of B. pseudomallei populations in Puerto Rico and elsewhere in the Caribbean may have been Central or South America.

Dataset Information

Porphyromonas asaccharolytica as a Rare Causative Agent for Lemierre's Syndrome.

Publications

<i>Porphyromonas asaccharolytica</i> as a Rare Causative Agent for Lemierre's Syndrome.

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