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Query: UMLS:C0014118 (endocarditis)
 15,629 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Bacterial endocarditis is a serious complication of valve replacement, with an overall mortality of 59%. Fever, although a constant feature of the condition, is a nonspecific finding; other manifestations may or may not be present and the diagnosis may be overlooked. Any patient with a prosthetic heart valve and bacteremia should be considered to have endocarditis and should be treated accordingly.
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PMID:Prosthetic valve endocarditis: reviewing the problem. 91 41

Specimens from 300 patients were studied using five to nine aerobic and anaerobic culture media, including five that were hypertonic, Groups studied included fever of unknown origin, suspected endocarditis, endocarditis during therapy, bacteremia during therapy, abscess and cellulitis, presumed infectious arthritis, renal transplantation during rejection, collagen disease, sarcoidosis, lymphoma, and colitis. Isolates in hypertonic media were reverted to parent form by agar passage. In only 5% of these selected cases were organisms found in hypertonic, but not conventional, media that appeared on the basis of repeated isolation and/or serological studies to come from the patient. Nine of the 16 appeared to be of major significance. The two groups in which use of highly enriched, hypertonic media seemed most helpful were suspected endocarditis and undefined meningitis with negative cultures using standard media. The most effective of the hypertonic media used was 0.3 M sucrose in brain heart infusion with 20% horse serum. In most instances, the organism grew only in the hypertonic sucrose, and in most cases it appeared in conventional rather than aberrant form. Hypertonic media, especially 0.3 M sucrose, are of substantial helpin a small number of carefully selected cases.
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PMID:Study on the usefulness of hypertonic culture media. 97 87

The effect of warfarin treatment on an experimental endocarditis was studied in rabbits. Warfarin had no effect on the induction of a Streptococcus sanguis infection in catheter-induced endocardial vegetations, and the course of this infection was also unaltered. However, warfarin treatment resulted in rapidly progressive bacteremia, probably due to impaired circulation in clearing organs such as the lungs, liver, and spleen. Warfarin also reduced the survival time of the infected rabbits, in which pulmonary edema and extensive lung hemorrhages may have been a contributory factor.
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PMID:Effect of warfarin on the induction and course of experimental endocarditis. 100 98

Twenty-nine patients with bacteremia due to Corynebacterium vaginale, an inhabitant of the female genital tract, are described. Four were newborn babies. Nineteen were healthy young women delivered at full term by an operative procedure, cesarean section, or episiotomy. Within 48 hours fever and bacteremia developed. While receiving antibiotics the fever returned to normal, usually within 48 hours. The remaining cases were associated with septic abortion, tubal pregnancy, an intrauterine device, hydatidiform mole, and cellulitis. None of the adults showed evidence of brain abscess, meningitis, or endocarditis. Corynebacterium vaginale is an opportunistic minor pathogen that apparently gains access to the blood stream via an exposed vascular bed rather than as the result of immunosupression.
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PMID:Corynebacterium vaginale (Hemophilus vaginalis) bacteremia: clinical study of 29 cases. 108 32

A group of 175 patients had barium enema. Pour-plate blood cultures were obtained immediately before and after the procedure and 5, 10, 15, and 30 minutes later. Bacteremia was demonstrable in 20 (11.4%) patients. In some, blood cultures were positive for as long as 15 minutes after barium enema; all were negative at 30 minutes. Among the bacteria associated with the 20 episodes of bacteremia were Escherichia coli, Klebsiella, enterococci, Proteus morganii, Bacteroides, and Veillonella. The incidence of bacteremia among patients with ulcerative colitis, regional enteritis, rectal polyps, colonic or rectal carcinoma, nonspecific diarrhea, or other lower intestinal tract disorders was not much different from patients free of rectosigmoid disease. The results of this study suggest that a history of recent barium enema may be important in patients who have endocarditis.
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PMID:Transient bacteremia associated with barium enema. 109 4

Five patients with transvenous cardiac pacemakers had sustained staphylococcal bacteremia (defined as bacteremia for at least 12 hours) two weeks to ten months after pacemaker insertion. Three of the five patients had no evidence of an extravascular focus of infection at the time of stphylococcal bacteremia. An additional patient had a petechial rash, which is unusual in staphylococcal bacteremia, unless endocarditis is present. All patients were treated with antibiotics and drainage of the pacemaker packet when it was infected, removal of the pacemaker generator, or removal of the catheter electrode. One patient without evidence of pocket infection was treated successfully with antibiotic therapy alone.
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PMID:Sustained bacteremia and transvenous cardiac pacemakers. 117 35

Presented are two case reports of patients with Edwardsiella bacteremia who survived after chloramphenicol and gentamicin therapy in one case and cephalothin and kanamycin therapy in the other case. Of four previously reported patients, only one survived. One of our two patients presented with subarachnoid hemorrhage associated with bacterial endocarditis and, to our knowledge, this is the first reported case of E tarda endocarditis. The clinical and laboratory features of disease due to this unusual pathogen are reviewed.
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PMID:Edwardsiella tarda bacteremia. 125 Dec 42

We studied 11 patients who had visceral abscesses and in whom acute renal failure developed. All renal biopsies showed a diffuse proliferative and crescentig glomerulonephritis. In seven patients blood cultures were repeatedly negative. Endocarditis could be ruled out in six patients. Seven patients had circulating cryoglobulins; serum complement levels were normal in seven and decreased in four; circulating immune complexes were found in the three patients studied. The evolution of the glomerulonephritis, documented by serial biopsies, closely paralleled the course of the infection. A complete recovery of renal function occurred in four cases in which a rapid and complete cure of the infection was obtained. Of five patients in whom the infection was not cured, four died, and chronic renal failure developed in one. In two patients in whom therapy was delayed, chronic renal failure also developed. Deep suppuration, even in the absence of bacteremia, may be responsible for a severe but possibly reversible glomerulonephritis with circulating immune complexes.
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PMID:Acute renal failure of glomerular origin during visceral abscesses. 127 47

One hundred and five cases of bacteremia due to Staphylococcus aureus were reviewed to assess the current clinical spectrum of serious staphylococcal disease. Mortality was 21 percent, lower than previously reported. Patients could be separated into two groups according to the presence of identifiable primary staphylococcal infections; 63 bacteremic patients had such lesions, the remaining 42 lacked them. The latter group contained 24 of 26 cases of endocarditis. Illnesses in that group were marked by the presence (in 38 of 42 patients) of staphylococcal foci occurring secondary to bacteremia. Such foci were responsible for five of seven instances of relapse or treatment failure encountered in that group. Secondary staphylococcal foci occurred in only five of 63 patients with primary infections, and the response of this group to conventional therapy for bacteremia was satisfactory. This study suggests that endocarditis has become an unusual complication of identifiable primary staphylococcal infection. A clinical classification based on the presence of such lesions therefore separates bacteremic patients likely to be cured by conventional antibiotic therapy (those with primary infections but no secondary foci) from others (those with secondary foci, suggesting endocarditis) who should receive a more prolonged course of antibiotics.
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PMID:Staphylococcus aureus bacteremia. Current clinical patterns. 127 83

We did a retrospective study of Staphylococcus aureus bacteremia--from removable foci of infection--treated with short course antimicrobial therapy. Patients with S. aureus endocarditis were excluded from our study. The majority of patients had sepsis from intravascular devices. After removal of the focus of bacteremia, antibiotics were administered for a mean period of 15.2 days. There were no relapses, and no patient developed endocarditis. A 10- to 21-day antibiotic regimen can be curative in S. aureus bacteremia associated with a removable focus of infection.
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PMID:Therapy of Staphylococcus aureus bacteremia associated with a removable focus of infection. 127 57


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