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PubMed1981

Bacterial endocarditis in the critically ill surgical patient.

The association of endocarditis with persistent intraperitoneal sepsis and right-sided heat catheterization (Swan-Ganz catheter and central venous catheter) was found in four (27%) of 15 patients with endocarditis identified at the University of Kentucky Medical Center, Lexington, during a 14-year period. These four patients had (1) intra-abdominal abscesses as a persistent source of sepsis, (2) documented septicemia, (3) long-term use of right sided heart catheters, and (4) prolonged hospitalization with a fatal outcome. In each case, endocarditis with persistent septicemia was considered a major factor contributing to a fatal outcome. Identification of a new cardiac murmur associated with septicemia was the most reliable means of diagnosis in these patients. The best form of treatment seems to be prevention by (1) eliminating septic foci, (2) using central catheters for specific indications for as short a period as possible, and (3) promptly discontinuing use of the catheter when septicemia is suspected.

Abscess↗
PubMedDate not supplied

Rheumatoid factor in acute bacterial endocarditis.

Sera from 55 parenteral drug abusers with endocarditis due to Staphylococcus aureus were assayed for the presence and titer of rheumatoid factor. Thirteen (24%) of the 55 patients with endocarditis had sera positive for rheumatoid factor at one point or another in their courses; only 2 (7%) of 30 noninfected drug users were found to be positive. It appeared that more severe cases, as evidenced by duration of fever after initiation of antibiotic therapy, were more likely to develop rheumatoid factor.

Acute Disease↗
PubMed1997

[Embolic complications in bacterial endocarditis].

Embolic complications are a major prognostic determinant in the clinical course of infective endocarditis (IE) with an incidence of about 30-50%. In order to analyze risk factors leading to embolism in native (NVE) and prosthetic valve endocarditis (PVE), we reviewed 177 consecutive patients; 43% were female, 57% male, PVE occurred in 24% of all patients all left-sided, among the NVE were 11% right-sided IE. Major embolic complications occurred in 40% of all patients. In NVE, a higher rate of embolic events (45% vs. 26%; p < 0.05), and a larger vegetation size compared to PVE was observed (14 +/- 6 mm vs. 11 +/- 5 mm; p < 0.05). The most important risk factor for embolic complications in NVE was Staphylococcus aureus (odds ratio 6.4). Furthermore, double valve endocarditis, fever, and mitral valve endocarditis were associated with the risk for embolism. In case of severe regurgitation the rate of embolic complications was reduced (54% vs. 77%; p < 0.05). In PVE, fever was a risk factor for embolic events. Staphylococcus aureus was also a frequent microorganism in embolism (45% vs. 22%). The in-hospital mortality was significantly increased in case of embolism (NVE 40% vs. 11%; p < 0.001; PVE 36% vs. 9% p < 0.05). About 50% of all embolic events occurred before admission. In NVE, due to high in-hospital mortality, the rate of patients with embolism undergoing surgery was lower (57% vs. 72%; p < 0.05); whereas in PVE no significant difference was observed. In patients with NVE, aspirin therapy because of coronary artery disease appeared to reduce the rate of embolic complications (11% vs. 47%). However, the low number of patients on aspirin (9%) does not allow recommendations regarding a potential benefit. In conclusion, identification of risk factors leading to embolism in IE may be useful in considering early surgical therapy. However, the high rate of embolic complications before hospital admission indicates a need for improving the diagnostic delay in the prehospital phase.

Adult↗