Infective endocarditis (IE) caused by bacteria within Haemophilus (excluding Haemophilus influenzae), Aggregatibacter, Cardiobacterium, Eikenella and Kingella (HACEK) is rare. This study aimed to describe clinical features of IE caused by HACEK genera in comparison with IE due to other pathogens. Cases of IE due to HACEK were identified through the Swedish Registry of Infective Endocarditis (SRIE). Clinical characteristics of IE cases caused by HACEK were compared with cases of IE due to other pathogens reported to the same registry. Ninety-six patients with IE caused by HACEK were identified, and this corresponds to 1.8% of all IE cases. Eighty-three cases were definite endocarditis, and the mortality rate was 2%. The median age was 63 years, which was lower compared to patients with IE caused by other pathogens (66, 70 and 73 years respectively, p ≤ 0.01). Patients with IE caused by Haemophilus were younger compared to patients with IE due to Aggregatibacter (47 vs 67 years, p ≤ 0.001). Patients with IE due to HACEK exhibited longer duration from onset of symptoms to hospitalization and had more prosthetic valve endocarditis compared to patients with IE due to Staphylococcus aureus (10 vs 2 days, p ≤ 0.001, and 35 vs 14%, p ≤ 0.001). This is, to date, the largest study on IE due to HACEK. Aggregatibacter was the most common cause of IE within the group. The condition has a subacute onset and often strikes in patients with prosthetic valves, and the mortality rate is relatively low.
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http://dx.doi.org/10.1007/s10096-021-04240-3 | DOI Listing |
Front Biosci (Elite Ed)
December 2024
Institute of Biochemistry and Physiology of Plants and Microorganisms - Subdivision of the Federal State Budgetary Research Institution Saratov Federal Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), 410049 Saratov, Russia.
Since infections associated with microbial communities threaten human health, research is increasingly focusing on the development of biofilms and strategies to combat them. Bacterial communities may include bacteria of one or several species. Therefore, examining all the microbes and identifying individual community bacteria responsible for the infectious process is important.
View Article and Find Full Text PDFSAGE Open Med Case Rep
December 2024
Department of Graduate Medical Education, Internal Medicine Residency Program, Sutter Roseville Medical Center, Roseville, CA, USA.
, a HACEK organism, is one of five species known to less commonly cause infective endocarditis. This article presents a rare and noteworthy case of endocarditis affecting the aortic valve, seemingly unique when species in endocarditis were previously known to more commonly involve the pulmonic or mitral valves. In the setting of bacteremia, a 61-year-old male with no significant past medical history exhibited subtle systemic symptoms with a paucity of clinical signs associated with endocarditis and no evidence of embolic disease.
View Article and Find Full Text PDFCureus
November 2024
Department of Cardiology B, Ibn Sina Hospital, Rabat, MAR.
an opportunist pathogen mainly isolated in healthcare-associated infections, is a rare cause of infective endocarditis (IE) that generates an increased mortality rate compared to the usual agents. We report a case of a 70-year-old male patient who underwent a mitral valve replacement and was readmitted two months later with a high-grade continuous fever and deterioration of the general status. The diagnosis of early IE due to was established upon further investigation.
View Article and Find Full Text PDFEur J Cardiothorac Surg
November 2024
Department of Cardiac Surgery, LMU University Hospital, Munich, Germany.
Germs
June 2024
MD, PhD, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, No. 8 Eroii Sanitari Boulevard, Bucharest, 050474, Romania, and National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr. Calistrat Grozovici street, Bucharest, 021105, Romania.
Introduction: () is a commensal bacterial pathogen in the human oral cavity. It can, however, represent the source of local or systemic infections with serious evolution, in particular infective endocarditis. We present a particular case of an adult male patient with infective endocarditis with and patent ductus arteriosus (PDA).
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