HACEK originally referred to Haemophilus parainfluenzae, Haemophilus aphrophilus, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae. However, taxonomic rearrangements have changed the A to Aggregatibacter species and the H to Haemophilus species to reflect the recategorization and novel identification of many of the species in these genera.[1] Some reviews of medical literature on HACEK organisms use the older classification,[3] but recent papers are using the new classification.[4][5][6] A list of HACEK organisms: Haemophilus species Haemophilus haemolyticus[6] Haemophilus influenzae: The incidence of endocarditis due to H. influenzae declined after the introduction of the Hib vaccine.[1] Haemophilus parahaemolyticus[6] Haemophilus parainfluenzae[5] Aggregatibacter Aggregatibacter actinomycetemcomitans (previously Actinobacillus actinomycetemcomitans) Aggregatibacter aphrophilus (previously Haemophilus aphrophilus) Aggregatibacter paraphrophilus (previously Haemophilus aphrophilus) Aggregatibacter segnis Cardiobacterium Cardiobacterium hominis: This is the most common species in the genus Cardiobacterium. Cardiobacterium valvarum Eikenella Eikenella corrodens[5] Kingella Kingella denitrificans[5] Kingella kingae: This is the most common species in the genus Kingella.

Нина Карпенко Дублин Здравствуйте