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PubMed1977

[Bacterial endocarditis: clinical and bacteriological aspects and prognostic factors].

The microbiological, clinical and therapeutic aspects of all (71) cases of bacterial endocarditis admitted to the Hôpital cantonal, Geneva, between August 1970 and October 1974 were reviewed: there was a definite trend towards higher prevalence of acute cases compared to subacute cases. The pathogenic role of S. epidermidis, mostly in cases of prosthetic valve endocarditis, could be demonstrated in several cases. When defined initially by microbiological criteria only, acute endocarditis were characterized by rapid evolution, destruction of the valvular structures (especially aortic valve), and by further evolution under adequate antibiotic therapy: thus, 10/25 patients with acute endocarditis died, whereas the mortality rate in the subacute cases was only 10/46. Many cases in our series showed one or more often frequent embolic phenomena: 70% of the cured cases and 80% of the patients with a fatal outcome. An unfavorable evolution could be correlated with neurologic involvement, cardiac rhythm or conduction disturbances, and/or heart failure; indeed, heart failure due to various mechanisms was the single most frequent cause of death and is presently the main therapeutic problem. Thus, acute infection leading to destruction of the aortic valve and to heart failure still carries a bad prognosis, even if emergency valve replacement is attempted. Finally, 22/30 patients who developed a bacterial endocarditis after oral or urological procedures knew about a heart murmur, but did not receive antibiotic prophylaxis. This clearly shows that emphasis should be put on the elaboration and diffusion of adequate prophylactic regimens.

Adult↗
PubMed1986

Late rupture of a mycotic aneurysm after "cure" of bacterial endocarditis.

Rupture of a mycotic aneurysm often occurs before the diagnosis of bacterial endocarditis is made or whilst the patient is being treated with antibiotics. It is recognised that cerebral embolism continues to occur after adequate antibiotic treatment, but the late rupture of a mycotic aneurysm seems to be very unusual. We report such a case where rupture of a peripherally sited aneurysm, demonstrated angiographically and pathologically, occurred 6 months after bacteriologically adequate treatment of streptococcal bacterial endocarditis.

Aneurysm, Infected↗
PubMedDate not supplied

[Mycotic anuerysm secondary to bacterial endocarditis. Review apropos of a case].

A case is presented of Subacute Bacterial Endocarditis on a biological Duramater Prosthesis. In the evolution curse, the patient presented an intraparenchimal cerebral haemorrhage, where--upon the angiographic studies demonstrated the existence of a mycotic aneurysm in the left median cerebral arterial territory. With specific antibiotic therapy and replacement of the prosthesis, the clinical evolution of the case, was positive, and later angiographies evidenced the disappearance of the aneurysm. The incidence of intracranial mycotic aneurysm complicating bacterial endocarditis is relatively high (up to 4% in post-mortem series). There have been very few cases communicated up to now with angiographic demonstration. Mortality is similar in patients under surgical or medical treatment. The aetipothogenic aspects are discussed, as well as the recommended therapeutic measures.

Adult↗
PubMed2003

Iris abscess as an unusual presentation of endogenous endophthalmitis in a patient with bacterial endocarditis.

PURPOSE: To report the clinical findings and management of a case of endogenous endophthalmitis in a patient with bacterial endocarditis presenting with a septic metastasis to the iris. DESIGN: Observational case report. METHODS: Review of clinical findings and treatment. RESULTS: A 37-year-old intravenous drug user hospitalized with bacterial endocarditis secondary to methicillin-sensitive Staphylococcus aureus bacteremia presented with a painful red left eye, hypopyon, and iris abscess. Roth spots were noted in the fundus of the right eye. Aqueous culture was positive for methicillin-sensitive S aureus. The patient was treated with intravitreal, topical, and intravenous antibiotics. The hypopyon and iris abscess resolved within 2 weeks, and the patient achieved a final visual acuity of 20/25 in the left eye. CONCLUSIONS: Septic metastasis to the iris is a rare occurrence. To our knowledge this is the first reported case of an iris abscess secondary to bacterial endocarditis.

Abscess↗
PubMed1997

Bacterial endocarditis in horses: ten cases (1984-1995).

A retrospective study of 10 horses with bacterial endocarditis was performed in order to describe the echocardiographic findings in horses with bacterial endocarditis, in conjunction with clinical signs and post mortem findings, and to evaluate the usefulness and the formulation of a prognosis. Echocardiographic and post mortem examinations were performed in 7 horses. Post mortem examination alone was performed in 2 horses and echocardiographic examination alone performed in one horse. No breed or sex predilection was obvious. Mean age +/- s.d. was 2.12 +/- 3.32 years. Predominant clinical signs and abnormal clinical pathology data were fever, cardiac murmur, tachycardia, tachypnoea, hyperfibrinogenaemia, anaemia and leucocytosis. Pasteurella/Actinobacillus spp. and Streptococcus spp. were most commonly cultured. Vegetative lesions were found most frequently on the mitral valve and secondarily on the aortic valve. The location and number of lesions identified with echocardiography in the horses accurately described the lesions found on post mortem examination. Medical treatment was attempted in 50% of the horses. Serial echocardiography was used to assess the response to treatment in 2 horses. All horses with vegetative lesions of the mitral and/or aortic valve died or were subjected to euthanasia due to the severity of their cardiac disease. Both horses with tricuspid valve endocarditis were cured of the infection, one horse returned to racing after antimicrobial therapy and the other was subjected to euthanasia due to severe laminitis.

Animals↗
PubMed1964

BACTERIAL ENDOCARDITIS WITH CANDIDA ALBICANS SUPERINFECTION.

Clinical and pathological features of two fatal cases of bacterial endocarditis with Candida albicans superinfection are described. One patient presented with combined Streptococcus viridans and Candida endocarditis of the aortic valve. The second patient, an addict to paregoric injected intravenously, developed Staphylococcus aureus of the tricuspid valve with eventual Candida endocarditis. The responsible organisms were identified from blood cultures during the hospital course, and by culture or tissue section of postmortem material. Candida endocarditis has emerged as a disease entity in the past 20 years. The incidence is increasing and patients with bacterial endocarditis are among those at risk. Antibiotic therapy appeared to facilitate the development of Candida endocarditis in these two cases.

Anti-Bacterial Agents↗
PubMed1977

[Present aspects of bacterial endocarditis in infants and children. Observation during the years 1969-1976 (author's transl)].

21 infants and children with proven bacterial endocarditis were observed at the Unviersity Children Hospital of Düsseldorf from January 1969 to December 1976. There was high incidence of cases in the infant group and again among the 6 to 8 years old children. Some important aspects of the disease were characteristic for the infant group (N=5): No congenital cardiac abnormality was present, but a surgical cerebro-atrial connection in two cases of hydrocephalus and a prolonged artifical respiration in a third patient could have been predisposing factors. Staphylococci were the pathologic organisms in three infants. The course of the disease consistently resembled that of septicemia and the outcome was always lethal. The diagnosis of bacterial endocarditis was disclosed only by the post mortem examination. The mitral and the tricuspid valves were affected twice respectively, the pulmonary cusps only once. In the children group (N=16) fifteen patients had a congenital malformation of the heart confirmed by previous catheterization. 8 were cyanotic and 5 of them had a tetralogy of Fallot with previous aorto-pulmonary shunting procedure (Waterston). Unlike the spectrum of micro-organisms presently found in adults, the streptococcus viridans prevailed as before, it was isolated in 11 of the 13 blood cultures which yielded positive results. The disease displayed a subacute course and mortality remained with 3 deaths relatively low. In 3 other cases a valve lesion subsisted, in two instances severe enough to necessitate surgery (aortic valve prosthesis, mitral annular narrowing). No relapse was observed during the mean follow up period of 2;8 years.

Adolescent↗
PubMed2006

Spectrum of neurological involvement in adult patients with bacterial endocarditis.

OBJECTIVE: To describe the spectrum of neurological involvement, and document in-hospital mortality in adult patients with bacterial endocarditis. DESIGN: Descriptive, non-interventional. PLACE AND DURATION OF STUDY: Department of Gastroenterology, The Aga Khan University Hospital, Karachi from November 1999 to October 2002. PATIENTS AND METHODS: Patients were enrolled from the emergency and outpatient departments, using purposive, non-probability sampling, provided they fulfilled pre-defined inclusion and exclusion criteria. Case records of patients admitted to hospital with a diagnosis of bacterial endocarditis were prospectively analyzed. Data was entered and analyzed on SPSS 11. Frequency, Mean, Mode and Percentage were calculated. RESULTS: Neurological complications were observed in 14 out of 40 patients (35%). The most frequent complication was embolic infarction (33%), followed by intra-cranial hemorrhage (22 %). Seizures, encephalopathy, abscess and meningitis were all observed in decreasing order of frequency. Out of a total of 14 patients who suffered neurological complications, 06 died (42 %). CONCLUSION: The nervous system is frequently involved in patients with bacterial endocarditis. The nature of neurological involvement can vary from a fatal embolic infarction to infective complications, such as cerebral abscess or meningitis, to mild encephalopathy. The most frequently noted complication was embolic infarction. In-hospital mortality is significantly high in patients who suffer neurological complications.

Adult↗