Cases reported "Bacteriuria"

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1/20. Delayed salmonella bacteriuria in a patient infected with schistosoma haematobium.

    The authors report a case of schistosoma haematobium infection with delayed occurrence of salmonella bacteriuria following treatment of schistosomiasis. Standard models of interaction between these two pathogens may not be fully satisfactory in such a case of co-infection. The role played by a decreased host immune response following schistosomiasis may thus be highlighted to explain a delayed or prolonged infection with salmonella.
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keywords = bacteriuria
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2/20. A rational approach to urinary tract infections in older patients.

    urinary tract infections (UTIs) occur more commonly in the elderly than in younger adults. The frequency of concomitant chronic illness and decreased resistance in this age group confers increased rates of morbidity and mortality, and manifestations are often atypical. diagnosis requires careful interpretation of urine culture results and a determination of the infection as asymptomatic bacteriuria, uncomplicated UTI, or complicated UTI. This, in turn, guides therapeutic measures, including the use of oral antibiotics.
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3/20. Acute renal failure in adults with uncomplicated acute pyelonephritis: case reports and review.

    Acute renal failure is a rare complication of acute pyelonephritis in patients who do not have urinary obstruction. Although urinary tract infections are common in adults, pyelonephritis is rarely considered in the differential diagnosis of acute renal failure nor is renal failure considered a likely consequence of bacteriuria. In this review, the cases of acute renal failure caused by acute pyelonephritis that have been reported in the last quarter century are examined. Including two new cases reported, only 12 cases of acute pyelonephritis resulting in acute renal failure were found. Three of these occurred in patients with a solitary kidney. All cases occurred in individuals who had no history of urinary tract infections, and all were caused by escherichia coli. In several cases, the administration of non-steroidal antiinflammatory drugs contributed to disease. Three cases occurred after catheter-acquired bacteriuria. Acute renal failure is an uncommon but serious consequence of uncomplicated acute pyelonephritis in adults.
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keywords = bacteriuria
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4/20. Success of dna fingerprinting after failure of biotyping, antimicrobial susceptibility testing, and plasmid analysis to reveal clonality of multiple blood and urine isolates from a patient with escherichia coli urosepsis.

    Multiple isolates of escherichia coli from the blood and urine of a 60-year-old woman with acute pyelonephritis exhibited different biotypes, antimicrobial susceptibility patterns, and plasmid profiles, suggesting the presence of polymicrobial bacteriuria and leaving in question the origin of the bacteremia. Only after bacterial restriction endonuclease analysis of total bacterial DNA was it discovered that all isolates represented the same strain, with plasmid instability possibly accounting for the varied antimicrobial susceptibility patterns observed. We conclude that the biotype, antimicrobial susceptibility profile, and plasmid profile are sometimes inadequate to clarify the relationships between different clinical isolates of E. coli from a single patient and can lead to erroneous epidemiologic conclusions. dna fingerprinting can resolve dilemmas these less precise techniques leave unresolved.
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keywords = bacteriuria
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5/20. Urinary tract infection caused by corynebacterium group D2: report of 82 cases and review.

    corynebacterium group D2 (CGD2) is a slow-growing, urea-splitting, multiantibiotic-resistant microorganism that is frequently isolated from urine samples and that, in certain circumstances, produces infection of the lower urinary tract (acute and chronic cystitis) and the upper urinary tract (pyelonephritis). This paper analyzes (by means of a retrospective and partially prospective clinical protocol) our experience with 82 patients with CGD2 bacteriuria. The infection was symptomatic in 62% of cases, and the clinical diagnoses included acute and chronic cystitis and pyelonephritis with or without bacteremia. Because CGD2 infection of the urinary tract may require specific antimicrobial treatment and because CGD2 is a fastidious microorganism, we recommend prolonged incubation of urine cultures (up to 48-72 hours), especially if the routine culture is negative, when patients are symptomatic, have alkaline urine, or have struvite crystals in the urine sediment.
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keywords = bacteriuria
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6/20. urinary tract infections in urology: a urologist's view of chronic bacteriuria.

    urine culture performed during and after antimicrobial therapy will differentiate unresolved urinary tract infections from recurrent infections. Recurrent infections with the same organism and at close intervals are frequently caused by a focus of bacterial persistence within the urinary tract, and infections with different organisms and/or at longer intervals are characteristic of reinfections with bacteria from outside the urinary tract. Unresolved infections are usually due to resistant bacteria and are treated by modification of therapy based on antimicrobial sensitivity testing. When unresolved bacteriuria is caused by organisms sensitive to the initial antimicrobial therapy, azotemia or a large bacterial mass density should be suspected. Recurrent infections at close intervals and/or with the same organism are usually caused by a bacterial focus in an acquired or congenital abnormality of the urinary tract such as infection stones, which must be removed to cure the recurrent infections. If the bacterial focus within the urinary tract cannot be removed, long-term low-dose antimicrobial prophylaxis can prevent the morbidity of recurrent infections. Reinfection requires careful bacteriologic monitoring and low-dose prophylactic, intermittent, or post-intercourse antimicrobial therapy.
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keywords = bacteriuria
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7/20. Significance of immediate preoperative bacteriuria with pyuria in renal transplant recipients.

    The presence of bacteriuria and pyuria on urinalysis immediately before renal transplantation has resulted in cancellation of surgery because of concern about post-transplant wound infection. Of 113 renal transplant recipients reviewed 41 (36 per cent) had 5 or more white blood cells per high power field with bacteria in either a voided urine or bladder washout specimen obtained just before grafting. Of those 41 patients 2 suffered postoperative wound infections. Of 72 patients (64 per cent) with less than 5 white blood cells or no bacteria on a preoperative specimen 1 suffered a wound infection (p not significant by Fisher's exact test). Preoperative urine cultures and operative bladder cultures of all 3 patients failed to yield the organisms found later in the wound infections. The factors of sex, insulin-dependent diabetes, delayed graft function, living related versus cadaver donor and pre-transplant splenectomy had no significant relationship to wound infection rates. Renal transplantation can be performed safely in patients who have pyuria and bacteriuria but no signs or symptoms of infection.
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keywords = bacteriuria
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8/20. Acute glomerulonephritis with bacteriuria: a probable etiologic relationship.

    Twenty-one cases of acute glomerulonephritis in children with no previous history of renal disease were studied. Urinary infection with a rising titre of serum agglutinins against the organisms isolated from urine was found in 5 cases. No evidence of previous streptococcal infection was found in these cases. In the meantime all 8 cases with post-streptococcal glomerulonephritis remained without bacteriuria. In one case acute glomerulonephritis followed virus hepatitis, and in the remaining 7 cases the cause of glomerulonephritis was unknown. It is suggested that in predisposed patients the bacteria present in urinary infections might act as antigens starting immunologic reactions in the glomeruli, leading to glomerulonephritis. The final proof of this theory awaits immunofluorescence identification of these antigens in the glomeruli.
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keywords = bacteriuria
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9/20. Electron microscopic study of an infected Foley catheter.

    A scanning and transmission electron microscopic study was made of material from the surface of a Foley catheter removed from an 87-year-old woman with antibiotic-resistant bacteriuria. A thick, adherent bacterial biofilm was found. The sessile adherent bacteria were surrounded by an extensive exopolysaccharide glycocalyx that appears to be fundamental in the pathogenesis of catheter-associated urinary tract infections and their resistance to systemic antibiotic therapy.
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keywords = bacteriuria
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10/20. Low urinary counts of P-fimbriated escherichia coli in presumed acute pyelonephritis.

    We report 6 children who showed clinical symptoms and laboratory signs of acute pyelonephritis but in whom bacteriuria was insignificant, with escherichia coli 10(4)/ml, or less. None of the children had symptoms of other disease. Three of the children who were at first treated inadequately or were not treated with antibiotics developed significant bacteriuria later on (10(5)/ml, or greater). Ultrasonic scanning to evaluate kidney involvement at the acute phase of disease showed transient changes in four of the 6 children--dilatation of one or both pelves or increased ecogenicity of the renal sinus, or both. The urinary E coli strains isolated from all 6 children were P-fimbriated, as determined by a P-fimbriae specific particle agglutination test (PPA test). P-fimbriate E coli are known to be strongly associated with acute non-obstructive pyelonephritis in children and we suggest that the finding of any number of P-fimbriated E coli in the urine of children with clinical evidence of acute pyelonephritis supports this clinical diagnosis.
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ranking = 0.4
keywords = bacteriuria
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