Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Acute Haemophilus parainfluenzae endocarditis: a case report | JOURNAL OF MEDICAL Sr CASE REPORTS Open Access Case report Acute Haemophilus parainfluenzae endocarditis a case report Leonidas Christou1 Georgios Economou1 Anastasia K Zikou2 Kaiti Saplaoura1 Maria I Argyropoulou2 and Epameinondas V Tsianos1 Addresses 11st Department of Internal Medicine and Hepato-Gastroenterology Medical School University of Ioannina Ioannina 45110 Greece 2Department of Radiology Medical School University of Ioannina Ioannina 45110 Greece Email EVT - etsianos@ Corresponding author Received 20 February 2008 Accepted 22 January 2009 Published 16 July 2009 Journal ofMedical Case Reports 2009 3 7494 doi 1752-1947-3-7494 This article is available from http jmedicalcasereports article view 7494 2009 Christou et al licensee Cases Network Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Introduction Numerous pathogens can cause infective endocarditis including Haemophilus parainfluenzae. H. parainfluenzae is part of the H. aphrophilus Actinobacillus actinomycetemcomitans Cardiobacterium hominis Eikenella corrodens and Kingella kingae group that may cause about 3 of the total endocarditis cases and is characterized by a subacute course and large vegetations. Case presentation Acute H. parainfluenzae endocarditis developed in a 54-year-old woman with no underlying predisposing factors. The patient presented with fever of 3 days duration and a severe headache. Magnetic resonance imaging of the brain revealed multiple cerebral emboli with hemorrhagic foci. Upon suspicion of endocarditis cardiac transesophageal ultrasonography was performed and revealed massive vegetations. The patient underwent emergency mitral valve replacement and was further treated with ceftriaxone. Blood cultures grew H. .