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PubMed1999

Prevalence and risk factors of bacteriuria in cirrhotic patients: a prospective case-control multicenter study in 244 patients.

BACKGROUND/AIMS: The prevalence and risks factors of bacteriuria in cirrhotics have not been assessed by case-control study, and there are conflicting data concerning the role of liver failure and of ascites. The aims of this study were: i) to evaluate the prevalence of bacteriuria in cirrhotics, ii) to search for associated factors, iii) to evaluate the role of bladder post-void residual volume, and iv) to test the sensitivity of isolated bacteria to norfloxacin. METHODS: The prevalence and risk factors of bacteriuria on admission were determined by a multicenter prospective case-control study. RESULTS: Two hundred and forty-four cirrhotic patients and 240 controls were studied. Bacteriuria was present in 38 patients (15.6%; IC 5%: 11%-20%) and 18 controls (7.5%; IC 5%: 4.2%-11%; p<0.001). By univariate analysis, female sex and ongoing diuretic treatment were associated with bacteriuria (p<0.0001 and p<0.04, respectively). Pugh's grade, ascites and bladder residual volume were not associated with bacteriuria. By multivariate analysis, female sex (p<0.0001) and Child-Pugh score (p<0.03) were predictors of bacteriuria. Sensitivity of bacteria to norfloxacin was observed in 94.7%; sterile urine cultures were noted in 95.2% of patients treated with this antibiotic. CONCLUSION: Bacteriuria is twice as frequent in cirrhotic patients as in matched controls, and there is a trend to association with female sex and liver insufficiency.

Anti-Infective Agents↗
PubMed1992

The case against screening urinalyses for asymptomatic bacteriuria in children.

Screening children for asymptomatic bacteriuria to prevent pyelonephritis and renal scarring is widely recommended, but its cost-effectiveness has not been established. We reviewed published studies to determine the costs and benefits of screening toilet-trained, asymptomatic children for bacteriuria. Given the sensitivity and specificity of current screening methods (approximately 80% each) and the prevalence of bacteriuria in asymptomatic children (approximately 1% in girls and 0.03% in boys), screening 100,000 children would result in 19,897 (20%) false-positive tests; initial screening and two urine cultures to confirm the diagnosis of asymptomatic bacteriuria would miss 28% of 515 children with true bacteriuria, and cost nearly $2.9 million. There is no evidence that detection and treatment of children with asymptomatic bacteriuria prevents subsequent pyelonephritis or renal scarring. Screening for bacteriuria in asymptomatic children is costly, fails to prevent pyelonephritis or renal scarring, and should be discontinued as a part of routine well-child care.

Bacteriuria↗
PubMed2003

Bacteriuria and urinary tract infections in malnourished children.

We prospectively examined the incidence of bacteriuria in malnourished patients between 6 months and 5 years of age. For each patient, a normally nourished control matched for age, sex, and presence of fever and diarrhea was included. Of 112 patients (65 boys), 55 had moderate and 57 had severe malnutrition; 43 had diarrhea and 35 had fever. Clean-catch and suprapubic urine specimens were examined microscopically and cultured. Significant bacteriuria was found in 17 (15.2%) malnourished and 2 (1.8%) control subjects ( P<0.01). The incidence of bacteriuria in malnourished and normally nourished subjects with fever was 28.6% and 5.7%, respectively ( P<0.05). The risk of bacteriuria increased significantly with the severity of malnutrition and in patients with diarrhea. Bacteriuria was associated with symptoms (70.6%) and elevated levels of acute-phase reactants (88.2%), indicating the presence of urinary tract infections (UTI) rather than asymptomatic colonization. Our observations show that malnourished children, particularly those with fever, are at risk for UTI. Urinalysis is useful for screening for UTI in these subjects. Urine culture should be performed in patients showing an abnormal urinalysis, and if the likelihood of detecting bacteriuria is high (as in patients with fever or diarrhea). Significant bacteriuria in malnourished subjects should be treated with appropriate antimicrobials.

Acute-Phase Proteins↗
PubMed2006

Epidemiology and clinical characteristics of patients with Staphylococcus saprophyticus bacteriuria in Israel.

BACKGROUND: Staphylococcus saprophyticus is a leading cause of lower urinary tract infections (UTI) in young women in the USA, Canada and Scandinavian countries, but seems to be very rare in other countries like Israel. The goal of this study was to investigate the incidence of S. saprophyticus in Northern Israel and to compare demographic and clinical characteristics of patients with S. saprophyticus and Escherichia coli bacteriuria. PATIENTS AND METHODS: Data from all patients with S. saprophyticus bacteriuria isolated in two major laboratories in northern Israel during a 1-year period were analyzed and clinical and epidemiological findings from 129 patients with S. saprophyticus bacteriuria were compared to that of 129 patients with E. coli bacteriuria. RESULTS: The incidence of S. saprophyticus in our region was 0.09% among all urine cultures requested. Patients with S. saprophyticus bacteriuria are mainly young women, more likely suffering asymptomatic bacteriuria, complain less of dysuria and burning and are less hospitalized than those infected with E. coli. Reported risk factors associated to S. saprophyticus bacteriuria such us seasonal variation, occupation in meat products industry, use of contraceptives, or sexual activity were not found by us. No nasal, vaginal, or rectal carriage was demonstrated. CONCLUSION: S. saprophyticus is a very uncommon urinary pathogen in Northern Israel. The natural reservoir of this uropathogen in our region remains unknown.

Adolescent↗
PubMed1987

Prospective randomized comparison of therapy and no therapy for asymptomatic bacteriuria in institutionalized elderly women.

Fifty elderly (mean age, 83.4 +/- 8.8 years) institutionalized women with asymptomatic bacteriuria were randomly assigned either to receive therapy for treatment of all episodes of bacteriuria identified on monthly culture or to receive no therapy unless symptoms developed. Subjects were followed for one year. The therapy group had a mean monthly prevalence of bacteriuria 31 +/- 15 percent lower than those in the no-therapy group, but periods free of bacteriuria lasting six months or longer were documented for only five (24 percent) subjects. For residents receiving no therapy, 71 percent showed persistent infection with the same organism(s). Antimicrobial therapy was associated with an increased incidence of reinfection (1.67 versus 0.87 per patient-year) and adverse antimicrobial drug effects (0.51 versus 0.046 per patient-year) as well as isolation of increasingly resistant organisms in recurrent infection when compared with no therapy. No differences in genitourinary morbidity or mortality were observed between the groups. Thus, despite a lowered prevalence of bacteriuria, no short-term benefits were identified and some harmful effects were observed with treatment of asymptomatic bacteriuria. These data support current recommendations of no therapy for asymptomatic bacteriuria in this population.

Aged↗
PubMed1981

A prospective study of group B streptococcal bacteriuria in pregnancy.

Bacteriuria in pregnancy was prospectively studied in 569 women, with specific reference to group B streptococcal infection. Forty-six patients (8%) had bacteriuria, including 14 with group B streptococcal infection; group B streptococci (GBS) were exceeded in frequency only by Escherichia coli. Two thirds of the bacteriuric patients remained asymptomatic. The outcome of pregnancy was studied in 41/46 bacteriuric patients, including all those with group B streptococcal infection. Two pregnancies ended in intrauterine fetal death, and one neonate developed group B streptococcal sepsis; all three complications occurred in the 14 women with group B streptococcal bacteriuria. Diabetes mellitus appeared to increase the risk of group B streptococcal bacteriuria. This study revealed that group B streptococcal bacteriuria is more common in pregnancy than was previously suspected and suggests that culture methods to detect GBS should be used in bacteriuria screening programs done in pregnancy. In terms of perinatal infection risk, screening for group B streptococcal bacteriuria at or near the time of delivery may be more meaningful than other group B streptococcal surveillance culture studies.

Adolescent↗
PubMed1995

Relationship of asymptomatic bacteriuria and renal scarring in children with neuropathic bladders who are practicing clean intermittent catheterization.

OBJECTIVE: To determine whether untreated asymptomatic bacteriuria is associated with renal scarring in children with neuropathic bladders managed with clean intermittent catheterization (CIC). DESIGN: Retrospective study of 207 patients aged 1 to 30 years (mean 11.9 +/- 5.5 years) treated with CIC for a mean duration of 6.6 +/- 3.9 years by the spina bifida program at Children's National Medical Center. All patients were examined for renal scarring with dimercaptosuccinic acid (DMSA) renal scans. Catheterized urine cultures were obtained annually, but bacteriuria ( > 10,000 colony-forming units of a single organism per milliliter) was treated only if the patients had symptoms or if vesicoureteral reflux (VUR) was present. RESULTS: Of 207 children, 176 (85%) had one or more episodes of untreated asymptomatic bacteriuria and 72 (35%) had one or more febrile episodes associated with positive urine culture results. Biannual DMSA scans detected 54 new scarring episodes in 42 patients. Of newly recognized scars, 55% were preceded within 1 year by a febrile infection, 26% were detected in patients with VUR and asymptomatic bacteriuria, and 19% were detected in new patients during their initial examination. Univariate analysis revealed that new scarring was present in 35 of 176 patients with asymptomatic bacteriuria compared with 7 of 31 patients without (p = 809). Logistic regression analysis revealed that factors associated with scarring were febrile infections (adjusted odds ratio [OR] = 30.6, 95% confidence interval [CI] = 9.8 to 95.8), age more than 20 years (OR = 4.3, CI = 1.01 to 18.5), the presence of bladder trabeculation (OR = 2.7, CI = 1.0 to 7.6), and VUR (OR = 58.8, CI = 6.3 to 547.3), but asymptomatic bacteriuria was not associated with scarring. CONCLUSION: In the absence of VUR, asymptomatic bacteriuria in patients undergoing CIC is not a significant risk factor for scarring and does not require antibiotic therapy.

Adult↗
PubMed1983

Urethral meatal colonization in the pathogenesis of catheter-associated bacteriuria.

Urethral meatal colonization with potential urinary tract pathogens was studied before bacteriuria in 31 consecutive acute spinal cord injury patients on an open ward (137 cultures) and 18 renal homotransplant patients in reverse isolation (80 cultures). All patients required indwelling urethral catheterization and no antimicrobials were given. Daily quantitative cultures of the urethral meatus, and bladder and drainage bag urine were obtained. The urethra was the source for 11 of 31 episodes of bacteriuria (35 per cent). Urethral meatal colonization with the organism responsible for bacteriuria, that is Escherichia coli (5 episodes), Staphylococcus aureus (2), Streptococcus faecalis (2) and Staphylococcus epidermidis (2), was persistent and present from 2 to 5 days before bacteriuria. In each ward 81 per cent or more of the cultures obtained on day 1 of catheterization showed no gram-negative colonization. Subsequently, the gram-negative colonization density increased in both groups but the increase was significant (p less than 0.001) only for patients on the open ward. Similar trends were observed for gram-positive colonization. The prevalence of potential pathogens was similar for patients whether or not they suffered bacteriuria. An increased density of bacterial colonization was associated with increased susceptibility to bacteriuria but the specific urethral meatal flora was not always predictive of the species responsible for bacteriuria.

Adolescent↗
PubMed1999

Lack of morbidity from urodynamic studies in children with asymptomatic bacteriuria.

OBJECTIVES: Patients on clean intermittent catheterization (CIC) have a high rate of asymptomatic bacteriuria. Although prophylactic antibiotics for routine surgical procedures in patients with bacteriuria is common practice, the role of prophylaxis for invasive diagnostic procedures remains unclear. The aim of this study was to investigate the morbidity associated with urodynamic evaluation in patients with asymptomatic bacteriuria. METHODS: Routine urodynamic evaluation was performed in 69 pediatric patients (mean age 10 years). Ninety-six percent had a neurogenic bladder, and most were on CIC. Routine urine cultures were obtained at the time of the cystometrogram. Forty-six patients had positive urine cultures, and 23 patients with sterile urine served as a comparison. Patients were evaluated subjectively for symptoms of a urinary tract infection (UTI) within 1 week of the procedure. The results of the cystometrograms were compared between the patients with and without bacteriuria. RESULTS: No patient developed symptomatic UTI after the urodynamic studies. Overall, 65% of the patients with and 52% of the patients without bacteriuria had adequate capacity and compliance, and there was no difference in the urodynamic findings between the patients with and without bacteriuria (P = 0.4). CONCLUSIONS: Urodynamic studies were performed safely in the presence of asymptomatic bacteriuria in the present study. Therefore, routine use of urine cultures or prophylactic antibiotics before urodynamic studies in pediatric patients with a neurogenic bladder does not appear to be indicated.

Bacteriuria↗
PubMed1999

Efficacy of antimicrobial-impregnated bladder catheters in reducing catheter-associated bacteriuria: a prospective, randomized, multicenter clinical trial.

OBJECTIVES: To examine the efficacy of bladder catheters impregnated with minocycline and rifampin in reducing catheter-associated bacteriuria. METHODS: A prospective, randomized clinical trial was conducted at five academic medical centers. Patients undergoing radical prostatectomy were randomized to receive intraoperatively either regular silicone bladder catheters (control catheters) or silicone bladder catheters impregnated with minocycline and rifampin (antimicrobial-impregnated catheters). Catheters remained in place for a mean of 2 weeks. Urine cultures were obtained at about 3, 7, and 14 days after catheter insertion. Bacteriuria was defined as the growth of organism(s) in urine at a concentration of 10(4) colony-forming units per milliliter or greater. RESULTS: Kaplan-Meier analysis demonstrated that it took significantly longer for patients (n = 56) who received the antimicrobial-impregnated catheters to develop bacteriuria than those (n = 68) who received the control catheters (P = 0.006 by the log-rank test). Patients who received the antimicrobial-impregnated catheters had significantly lower rates of bacteriuria than those in the control group both at day 7 (15.2% versus 39.7%) and at day 14 (58.5% versus 83.5%) after catheter insertion. Patients who received the antimicrobial-impregnated catheters had significantly lower rates of gram-positive bacteriuria than the control group (7.1% versus 38.2%; P <0.001) but similar rates of gram-negative bacteriuria (46.4% versus 47.1%) and candiduria (3.6% versus 2.9%). The antimicrobial-impregnated catheters provided zones of inhibition against Enterococcus faecalis and Escherichia coli, both at baseline and on removal. CONCLUSIONS: Bladder catheters impregnated with minocycline and rifampin significantly reduced the rate of gram-positive catheter-associated bacteriuria up to 2 weeks after catheter insertion.

Anti-Bacterial Agents↗
PubMed1996

Bacteriuria in a cohort of predominantly HIV-1 seropositive female commercial sex workers in Nairobi, Kenya.

Although significant bacteriuria and urinary tract infection are more common in immunocompetent women than men, studies linking HIV immunosuppression with an increased risk of developing urinary infection have so far only been carried out in men. We therefore examined the relationship between bacteriuria and HIV status and CD4+cell count in a relatively homogeneous cohort of female commercial sex workers (CSW) attending a community clinic in Nairobi. Two hundred and twenty-two women were enrolled, and grouped according to HIV status and CD4 count. Group 1 were HIV seronegative (n = 52); Group 2 were HIV seropositive with CD4 + counts above 500 x 10(6)/l (n = 51); Group 3 were HIV seropositive with CD4 + counts between 201 and 500 x 10(6)/l (n = 67); Group 4 were HIV seropositive with CD4+counts below 200 x 10(6)/l (n = 52). Clinical signs and symptoms were noted and mid-stream specimens of urine obtained for culture and sensitivity. Overall 23% (50/222) had significant bacteriuria. The rates in each group respectively were 25%, 29%, 19% and 23% and there was no significant association between bacteriuria and HIV status; or between bacteriuria and level of immuno-suppression as indicated by CD4 + count. Overall 19% (30/222) of women had symptoms (frequency; dysuria; loin pain; smelly urine) or signs (fever; loin tenderness) compatible with urinary tract infection. However there was no significant association between symptoms or signs of infection and bacteriuria or HIV status. A typical range of pathogens, predominantly Enterobacteriaceae, were isolated and there were high rates of resistance to commonly used antimicrobials as well as 10% resistance to ciprofloxacin. Although high rates of significant bacteriuria can occur in highly sexually-active women, this appears unrelated to HIV infection or the level of HIV-related immunosuppression and is generally asymptomatic or clinically indistinct.

Adolescent↗
PubMed1983

Bacteriuria in elderly institutionalized men.

Over a two-year period we obtained monthly urine samples from all noncatheterized male residents on two geriatric wards to determine the occurrence and optimal management of bacteriuria in this population. Among 88 men the prevalence of bacteriuria was 33 per cent, and the incidence was 45 infections per 100 patients per year. Outcomes after single-dose therapy for asymptomatic bacteriuria with 43 courses of trimethoprim/sulfamethoxazole and 23 of tobramycin included 15 cures, 40 relapses, and 11 treatment failures. Thirty-six residents who had a relapse or in whom single-dose therapy failed were randomly assigned to receive therapy to eradicate bacteriuria or to receive no therapy. All 20 residents who received no therapy remained bacteriuric. The 16 residents who received therapy had fewer months of bacteriuria after randomization, but at the end of the study only one remained free of bacteriuria. Mortality and infectious morbidity after randomization were similar in the two groups. These data suggest that asymptomatic bacteriuria is common in elderly institutionalized men and that therapy is neither necessary nor effective.

Aged↗
PubMed2002

Antimicrobial treatment in diabetic women with asymptomatic bacteriuria.

BACKGROUND: Asymptomatic bacteriuria is common among women with diabetes, and the treatment of such infections has been recommended to prevent complications related to symptomatic urinary tract infection. METHODS: We enrolled women (>16 years of age) with diabetes, bacteriuria (> or =105 colony-forming units of an organism per milliliter in cultures of two consecutive urine specimens), and no urinary symptoms; 50 were randomly assigned to receive placebo and 55 to receive antimicrobial therapy. For the first six weeks, which included the initial course of treatment, the study was placebo-controlled and double-blind. Subsequently, the women were screened for bacteriuria every three months for up to three years; antimicrobial therapy was provided to women in the antimicrobial-therapy group who had asymptomatic bacteriuria. RESULTS: Four weeks after the end of the initial course of therapy, 78 percent of placebo recipients had bacteriuria, as compared with 20 percent of women who received antimicrobial agents (P<0.001). During a mean follow-up of 27 months, 20 of 50 women in the placebo group (40 percent) and 23 of 55 women in the antimicrobial-therapy group (42 percent) had at least one episode of symptomatic urinary tract infection. The time to a first symptomatic episode was similar in the placebo group and the antimicrobial-therapy group (P=0.67 by the log-rank test), as were the (+/-SD) rates of any symptomatic urinary tract infection (1.10+/-0.17 and 0.93+/-0.14 per 1000 days of follow-up, respectively; relative risk, 1.19; 95 percent confidence interval, 0.28 to 1.81), pyelonephritis (0.28+/-0.08 and 0.13+/-0.05 per 1000 days of follow-up; relative risk, 2.13; 95 percent confidence interval, 0.81 to 5.62), and hospitalization for urinary tract infection (0.10+/-0.36 and 0.06+/-0.22 per 1000 days of follow-up; relative risk, 1.93; 95 percent confidence interval, 0.47 to 7.89). The women in the antimicrobial-therapy group had almost five times as many days of antibiotic use for urinary tract infection as did the women in the placebo group (158.2+/-1.7 vs. 33.7+/-0.91 per 1000 days of follow-up; relative risk, 0.21; 95 percent confidence interval, 0.20 to 0.22). CONCLUSIONS: Treatment of asymptomatic bacteriuria in women with diabetes does not appear to reduce complications. Diabetes itself should not be an indication for screening for or treatment of asymptomatic bacteriuria.

Anti-Infective Agents, Urinary↗
PubMed1992

Bacteriuria in men infected with HIV-1 is related to their immune status (CD4+ cell count).

OBJECTIVE: Reports from the United States that urinary tract infections (UTI) are more common in homosexual than in heterosexual men have not been confirmed in Europe. The occurrence of several UTI in men infected with HIV-1 has been recorded in The Netherlands. We therefore analysed the relationship between the presence of bacteriuria and the immune status (CD4+ cell count) in these HIV-1-infected patients. DESIGN: Urinary cultures were obtained prospectively for 2 years, during the first visit and every 6 months thereafter, when signs and symptoms of UTI occurred and when patients had fever of unknown origin. CD4+ cell counts were measured at the same time. SETTING: The study was performed at the University Hospital, Utrecht, The Netherlands. PATIENTS, PARTICIPANTS: One hundred and thirty HIV-1-infected men attended our hospital. Data from 98 were analysed. Eighty-nine (91%) of these men were either homo- or bisexual. MAIN OUTCOME MEASURES: Positive urinary culture. RESULTS: Group 1 (CD4+ cell count less than 200 x 10(6)/l) consisted of 47 patients; 30% had at least one period of bacteriuria, with 21 episodes. Group 2 (CD4+ cell count 200-500 x 10(6)/l) consisted of 27 patients; 11% had at least one period of bacteriuria, with five episodes. We did not find bacteriuria in the 24 patients in group 3 (CD4+ cell count greater than 500 x 10(6)/l). The rate of bacteriuria per patient-month, 4 (group 1) versus 2 (group 2), differed significantly (P less than 0.001). A significant relationship between CD4+ cell count and bacteriuria was found (P = 0.00003); no relationship, however, was found with anal intercourse, hospitalization, Karnofsky score, follow-up, or age. CONCLUSION: We conclude that men infected with HIV and presenting with a CD4+ cell count less than 200 x 10(6)/l are at increased risk for bacteriuria.

Adult↗
PubMed1984

Bacteriuria and primary biliary cirrhosis.

Significant bacteriuria was found in 19% of 87 women with primary biliary cirrhosis, whereas in 89 women with other types of chronic liver disease bacteriuria was present in only 7%. In 74 women with rheumatoid arthritis 8% were bacteriuric. Midstream urine specimens obtained from 144 consecutive women with primary biliary cirrhosis attending hospital over a two year period showed that 50 (35%) developed bacteriuria during 12 months of follow up. Bacteriuria was unrelated to age, raised serum bilirubin, drug therapy or urinary pH but was more common in patients with late stage (fibrotic) disease as judged by histological criteria. Fifty seven per cent of bacteriuric primary biliary cirrhosis patients suffered more than one urinary infection. Fifty nine per cent of the 156 bacteriuric episodes were asymptomatic. The types of organism isolated, the antibiotic sensitivity patterns and cure rate were similar to those reported in bacteriuric women without other underlying disease. The reinfection rate (34%), however, was double that reported for bacteriuric episodes in 'problem' women with recurrent bacteriuria, indicating a special susceptibility to urinary infection. The most common isolates were E coli (70%), which did not show abnormal adhesiveness to uroepithelial or buccal cells of normal women, or to those of primary biliary cirrhosis patients. Patients with primary biliary cirrhosis have not been reported to be more susceptible to infection in general. Bacteriuria, however, was common throughout all clinical stages of primary biliary cirrhosis. Thus there may be a unique association between bacteriuria and primary biliary cirrhosis.

Adult↗
PubMed1998

Psychological predictors of symptoms of urinary tract infection and bacteriuria in patients treated with clean intermittent catheterization: a prospective 7-year study.

OBJECTIVE: One of the major clinical problems in relation to clean intermittent catheterization (CIC) are symptoms of urinary tract infection (UTI) and bacteriuria. The aim of the present work was to study to what extent measures of psychological well-being, distress and neurotic personality traits in patients performing CIC could predict symptoms of UTI or bacteriuria 7 years later. PATIENTS AND METHODS: Included in the study were 170 patients with a mean age of 57 years, who had used CIC for 105 months. CIC was practised due to neurogenic bladder dysfunction in two thirds of the patients, and non-neurogenic dysfunction in the remaining patients. All patients had been clinically examined 7 years prior to inclusion. Information about subjective symptoms of UTI and examination of bacteriuria in urine samples had been assessed. All subjects had also undergone repeated psychometric evaluations of psychosocial function, well-being and distress (General Health Questionnaire; GHQ-28; Spielberger State-Trait Anxiety Inventory; STAI X-1) and neuroticism (Eysenck Personality Questionnaire; EPQ-N). The results from selected assessments done 7 years earlier were used to predict reported UTI and findings of bacteriuria in urine samples in 1995. RESULTS: Clinical UTI symptoms were reported by 35% of the patients. These patients had significantly higher GHQ-28 scores in 1988, 1989 and 1995 compared to the remaining 65%. Patients without clinical UTI during 1988/89, but with symptoms suggesting UTI in 1995, had significantly higher GHQ-28, STAI-X1 and EPQ-N scores in 1988 compared to those who did not report symptoms 7 years later. Patients with UTI during 1988/89 who were free of symptoms of UTI in 1995 had scores similar to those who were free of symptoms of UTI both in 1988/89 and in 1995. GHQ-28, STAI X-1 and EPQ-N scores in 1988/89 did not predict current bacteriuria, found in 62% of the urine samples in 1995. CONCLUSION: Social function, well-being and distress are significant predictors of long-term urinary tract complaints, but not of bacteriuria. This finding indicates that the aetiology of UTI complaints and of actual bacteriuria is different. Complaints of UTI may often express distress and not symptomatic infection. Physicians' non-recognition of distress may lead to unnecessary and aggressive interventions for assumed infection such as the prescription of antibiotics. Identification and treatment of psychological distress and impaired social function should become routine in the clinical follow-up of CIC patients. Such a routine could reduce urinary tract complaints, lower the unnecessary use of antibiotics and increase the tolerability of CIC. Prospective intervention studies are needed to verify this hypothesis.

Anxiety↗
PubMed2001

Incidence and risk factors of bacteriuria after transurethral resection of the prostate.

INTRODUCTION: Postoperative bacteriuria is a frequent event after transurethral resection of the prostate, despite the use of prophylactic antibiotics. Certain risk factors have been clearly established (preoperative urinary catheter or bacteriuria, operating time), while others remain uncertain. MATERIALS AND METHODS: We conducted a prospective study in five urology centers, including non-catheterized patients with sterile preoperative urine undergoing transurethral resection of the prostate for benign prostatic hyperplasia. All received antibiotic prophylaxis with cefamandole. The incidence of bacteriuria and its risk factors were investigated. RESULTS: The postoperative bacteriuria rate was 26% (26/101), with 8% on removal of the catheter, 14% between the 7th and 10th postoperative days and 5% 1 month postoperatively. Factors associated with bacteriuria on univariate analysis were: operating time, disconnection of the closed urine drainage system and postoperative catheterization > or =3 days. Two variables were associated on multivariate analysis (logistic regression): operating time >52 min (odds ratio 9.0, 95% confidence interval 2.1-39.0) and disconnection of the closed urine drainage system (odds ratio 26.3, 95% confidence interval 6.1; 6.1-113). CONCLUSIONS: The postoperative bacteriuria rate after transurethral resection of the prostate was high in this study, raising the question of the choice and/or duration of prophylactic antibiotics. Prevention of postoperative bacteriuria must be based on careful hemostasis, prevention of postoperative catheter disconnections, and limitation of the duration of postoperative catheterization.

Aged↗
PubMed1995

A clinical study of upper urinary tract calculi treated with extracorporeal shock wave lithotripsy: association with bacteriuria before treatment.

To study the characteristics of upper urinary tract calculi associated with bacteriuria, we determined the relationships between the frequency of bacteriuria and some clinical factors such as location and size of calculi. Nine hundred and fifty-eight patients, 596 with renal calculi and 362 with ureteral calculi, were subjects in the present study. Bacteriuria was found in 75 patients, 57 with renal calculi (10%) and 18 with ureteral calculi (5%). The frequency of bacteriuria was significantly higher in patients with renal calculi than in those with ureteral stones (p < 0.05). In the patients with renal calculi, bacteriuria was most frequently associated with stones having a diameter of > 30 mm (19%), and secondarily with stones of 20-30 mm (12%). In contrast, the presence of bacteriuria was not related to the size of ureteral calculi. In conclusion, patients with renal stones of > 20 mm diameter have an increased risk of bacteriuria.

Adolescent↗