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Amábile-Cuevas CF. Ascorbate and Antibiotics, at Concentrations Attainable in Urine, Can Inhibit the Growth of Resistant Strains of Escherichia coli Cultured in Synthetic Human Urine. Antibiotics (Basel) 2023; 12:985. [PMID: 37370304 DOI: 10.3390/antibiotics12060985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
There are conflicting reports on the antibacterial activity of ascorbate; all at concentrations much higher than the typical in human plasma, but that can be reached in urine. The effect of 10 mM ascorbate (in itself not inhibitory) along with antibiotics, was tested both in Mueller-Hinton broth (MHb) and in synthetic human urine (SHU), against resistant isolates of Escherichia coli from lower urinary infections. The activity of nitrofurantoin and sulfamethoxazole was higher in SHU than in MHb; minimal inhibitory concentrations (MICs) in SHU with ascorbate were below typical urinary concentrations. For other antibiotics, MICs were the same in MHb vs. SHU, with no effect of ascorbate in MHb; but in SHU with ascorbate, MICs of ciprofloxacin and gentamicin also went below reported urinary concentrations, with a lesser effect with norfloxacin and trimethoprim, and none with ampicillin. The effect of ascorbate was independent of oxygen and not related to the susceptibility of each strain to oxidative stress. Ascorbate oxidizes during incubation in SHU, and bacterial growth partially prevented oxidation. These results suggest that 10 mM ascorbate can enhance the inhibitory activity of antibiotics upon resistant strains in urine. Clinical experimentation with ascorbate-antibiotic combinations against urinary infections caused by resistant bacteria is warranted.
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Comprehensive assessment of holding urine as a behavioral risk factor for UTI in women and reasons for delayed voiding. BMC Infect Dis 2022; 22:521. [PMID: 35668379 PMCID: PMC9172065 DOI: 10.1186/s12879-022-07501-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 05/27/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Women of reproductive age group have greater predilection to urinary tract infections (UTI). Various risk factors increase the prevalence in women. Emergence of multidrug resistant uropathogens make clinical management of UTI challenging. Here we assess holding of urine as risk factor of UTI in women and reasons for delayed voiding. We also investigate the relationship between frequency of UTIs and overall behavioural features, menstrual hygiene and attitude of women towards their own health issues. METHODS A questionnaire based cross-sectional study was performed with 816 hostel residents with written consent. Self-reported data was statistically analysed using SPSS software. Urinalysis and urine culture were done for 50 women by random sampling to obtain the information on leading causative agents of UTI in the study population and their antimicrobial resistance profile. RESULTS The prevalence of UTI among the participants without risk factors was found to be 27.5 (95% CI: 24.4-30.7). Attitude of women towards their own personal health issues and use of public toilets showed a correlation with prevalence of infection. Delay in urination on habitual basis was found to be associated with UTI. Uropathogens isolated by random sampling were resistant to multiple drugs that are generally used to treat UTI. CONCLUSIONS Holding urine for long time had proven to be an important risk factor and amongst different reasons of holding urine, holding due to poor sanitary condition of public toilets was the most common. Higher frequency of self-reported UTIs is related to holding of urine, behavioural features and attitude of women.
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Conley TD, Klein V. Women Get Worse Sex: A Confound in the Explanation of Gender Differences in Sexuality. PERSPECTIVES ON PSYCHOLOGICAL SCIENCE 2022; 17:960-978. [PMID: 35171743 DOI: 10.1177/17456916211041598] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Gender differences in sexuality have gained considerable attention both within and outside of the scientific community. We argue that one of the main unacknowledged reasons for these differences is simply that women experience substantially worse sex than men do. Thus, in examinations of the etiology of gender differences in sexuality, a confound has largely been unacknowledged: Women and men are treated to different experiences of what is called "sexuality" and "having sex." We discuss four arenas in which women's experience of sexuality may often be worse than men's: (a) anatomical differences, (b) sexual violence, (c) stigma, and (d) masculine cultures of sexuality. Then we consider how each disparity might explain well-known gender differences in sexuality.
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Affiliation(s)
| | - Verena Klein
- Department of Psychology, University of Michigan
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Abstract
Temporal dynamics of certain human microbiotas have been described in longitudinal studies; variability often relates to modifiable factors or behaviors. Early studies of the urinary microbiota preferentially used samples obtained by transurethral catheterization to minimize vulvovaginal microbial contributions. Whereas voided specimens are preferred for longitudinal studies, the few studies that reported longitudinal data were limited to women with lower urinary tract (LUT) symptoms, due to ease of accessing a clinical population for sampling and the impracticality and risk of collecting repeated catheterized urine specimens in a nonclinical population. Here, we studied the microbiota of the LUT of nonsymptomatic, premenopausal women using midstream voided urine (MSU) specimens to investigate relationships between microbial dynamics and personal factors. Using 16S rRNA gene sequencing and a metaculturomics method called expanded quantitative urine culture (EQUC), we characterized the microbiotas of MSU and periurethral swab specimens collected daily for approximately 3 months from a small cohort of adult women. Participants were screened for eligibility, including the ability to self-collect paired urogenital specimens prior to enrollment. In this population, we found that measures of microbial dynamics related to specific participant-reported factors, particularly menstruation and vaginal intercourse. Further investigation of the trends revealed differences in the composition and diversity of LUT microbiotas within and across participants. These data, in combination with previous studies showing relationships between the LUT microbiota and LUT symptoms, suggest that personal factors relating to the genitourinary system may be an important consideration in the etiology, prevention, and/or treatment of LUT disorders.IMPORTANCE Following the discovery of the collective human urinary microbiota, important knowledge gaps remain, including the stability and variability of this microbial niche over time. Initial urinary studies preferentially utilized samples obtained by transurethral catheterization to minimize contributions from vulvovaginal microbes. However, catheterization has the potential to alter the urinary microbiota; therefore, voided specimens are preferred for longitudinal studies. In this report, we describe microbial findings obtained by daily assessment over 3 months in a small cohort of adult women. We found that, similarly to vaginal microbiotas, lower urinary tract (LUT) microbiotas are dynamic, with changes relating to several factors, particularly menstruation and vaginal intercourse. Our study results show that LUT microbiotas are both dynamic and resilient. They also offer novel opportunities to target LUT microbiotas by preventative or therapeutic means, through risk and/or protective factor modification.
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Bhat GS, Shastry A. Use of Sexually Explicit Materials as Sex Education Tools to Reduce the Number of Recurrences of Urinary Tract Infection in Sexually Active Women. JOURNAL OF PSYCHOSEXUAL HEALTH 2020. [DOI: 10.1177/2631831820918425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Context: As sexual intercourse is a known risk factor for recurrent urinary tract infection (UTI) in women, we decided to evaluate a novel method of sex education using sexually explicit materials (SEM) to reduce the number of recurrences of UTI in sexually active women, when the other preventive measures fail to reduce the number of recurrences of UTI in these women. Methods: After obtaining written informed consent and ethical committee approval, sexually active women with a single sexual partner, who presented for recurrent symptomatic UTI following sexual intercourse, were included in this study. The absence of recurrence for 6 months, successful postcoital drug prophylaxis, the presence of comorbidities, anatomical abnormalities of the genitourinary tract (GUT), history of instrumentation of GUT, and use of contraception were exclusion criteria. Their demographic profile, socioeconomic status, imaging studies, pre- and post-intervention urine culture profile and pre- and post-intervention sexual practices were recorded. During every visit, all these women along with their male partners were given sex education sessions about healthy sexual practices using SEM. Data is analyzed. Results: Study period was January 2012 to June 2018. A total of 107 women with the mean age of 30.11 years were included in the study. A total of 82% of UTI were due to Escherichia coli, whereas the other cases were attributable to Klebsiella, Proteus, and Staphylococcus saprophyticus. Their preintervention yearly incidence of documented UTI was 4.04 episodes which reduced to 1.91 episodes post intervention. Conclusions: Sex education with SEM can be an option to treat recurrent UTI in sexually active women.
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Affiliation(s)
- Gajanan Shripad Bhat
- Department of Urology, Andrology & Sexual Medicine, TSS Shripad Hegde Kadave Institute of Medical Sciences, Sirsi, Uttara Kannada, Karnataka, India
| | - Anuradha Shastry
- Department of Urology and Sexual Medicine, TSS Shripad Hegde Kadave Institute of Medical Sciences, Sirsi, Uttara Kannada, Karnataka, India
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Abstract
Urinary tract infections (UTIs) are highly prevalent, lead to considerable patient morbidity, incur large financial costs to health-care systems and are one of the most common reasons for antibiotic use worldwide. The growing problem of antimicrobial resistance means that the search for nonantibiotic alternatives for the treatment and prevention of UTI is of critical importance. Potential nonantibiotic measures and treatments for UTIs include behavioural changes, dietary supplementation (such as Chinese herbal medicines and cranberry products), NSAIDs, probiotics, D-mannose, methenamine hippurate, estrogens, intravesical glycosaminoglycans, immunostimulants, vaccines and inoculation with less-pathogenic bacteria. Some of the results of trials of these approaches are promising; however, high-level evidence is required before firm recommendations for their use can be made. A combination of these agents might provide the optimal treatment to reduce recurrent UTI, and trials in specific population groups are required.
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Moustakas I, Dryllis G, Pouliakis A, Petrikos G, Daikos G, Pittaras T, Karasante P, Karampotsis K, Tsiodras S. Emerging patterns of resistance in a cohort of Greek patients with recurrent UTIs: a pilot study. J Chemother 2019; 31:367-377. [PMID: 31409214 DOI: 10.1080/1120009x.2019.1652013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bacterial urogenital infections caused by multi-drug resistant organisms (MDROs), are increasingly becoming a severe public health issue. The purpose of the present study was to examine the epidemiology of recurrent UTIs along with antimicrobial resistance patterns in a cohort of patients followed as outpatients at an Infectious Disease clinic of a tertiary care center in Greece. One hundred, sequential patients suffering from recurrent UTIs and coming for clinical evaluation, follow-up and treatment were examined; microbiological urine culture results were analyzed. Patients were separated into Group A: patients with ≥3 urogenital infections during the last study year, and Group B: patients with ≤2 urogenital infections. Furthermore, antimicrobial resistance patterns and presence of MDROs in relation to the number of urogenital infections during a three years period was evaluated. Group A had a mean of 4.3 ± 1.7 urogenital infections during the last year of the study, while patients in Group B 1.9 ± 0.3 infections over a three years period. An age cut-off of 30 years was critical for higher UTI rates. Escherichia Coli was the predominant isolated pathogen in 96.2% of the patients. Patients with diabetes mellitus had a 3 fold-higher risk for ≥3 UTIs. Resistance to colistin and imipenem was associated with a history of more than 2 episodes of UTIs but observed in a small number of patients with comorbidities. In this pilot study MDRO detection in patients suffering from recurrent UTIs emphasizes the need for continuous epidemiological surveillance in order to improve our understanding of the evolution of resistance in a common community infection as well as to implement successful prevention strategies.
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Affiliation(s)
- Ioannis Moustakas
- Department of Microbiology, "Aretaieion" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Dryllis
- Department of First Internal Medicine Clinic, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Avraham Pouliakis
- Second Department of Pathology, University General Hospital "ATTIKON", School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Georgios Daikos
- Department of First Internal Medicine Clinic, "Laikon" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodoros Pittaras
- Department of Microbiology, "Aretaieion" General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | | | - Sotirios Tsiodras
- Fourth Department of Internal Medicine, Division of Hematology, "ATTIKO" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Updates in Management of Complicated Urinary Tract Infections: A Focus on Multidrug-Resistant Organisms. Am J Ther 2018. [DOI: 10.1097/mjt.0000000000000683] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Bergamin PA, Kiosoglous AJ. Non-surgical management of recurrent urinary tract infections in women. Transl Androl Urol 2017; 6:S142-S152. [PMID: 28791233 PMCID: PMC5522788 DOI: 10.21037/tau.2017.06.09] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Accepted: 06/05/2017] [Indexed: 12/20/2022] Open
Abstract
One in three women will experience a clinically significant urinary tract infection (UTI) by age twenty-four and almost half will have at least one in their lifetime. Recurrent UTIs (rUTIs) are defined as having greater than two infections in a 6-month period, or three infections over twelve months, with complete resolution for at least two weeks. These may be due to relapse from incomplete treatment (persistence) or re-infection (new source). It may be difficult to distinguish between the two, where the same organism is cultured. There are several risk factors for rUTIs including an impairment of the body's immune system and virulence factors. Reversible or treatable causes are sought and excluded in the patient's initial review. Patient's with rUTI are often complex and difficult to manage. The long-term management options in women are multimodal and should focus on prevention of relapse and recurrence. Behavioural factors include adequate hydration, care with sexual hygiene, reducing one's body mass index (BMI) and post-void residual (PVR) volume. There are several non-antimicrobial options for rUTIs which have become a multi-billion-dollar business. Unfortunately, there are numerous studies which fail to show any major benefit or having conflicting data. Vaccines are currently being explored as a prevention strategy, delivered through injection, intra-nasal sprays, or vaginal suppositories, which are made from combinations of heat killed uro-pathogenic strains. There are no widely available vaccines at present due to limited clinical success. It is well established that appropriate antibiotic therapy results in higher rates of symptom relief and bacterial eradication in women with uncomplicated cystitis. There are several options for antimicrobial use which have been shown to be highly effective in reducing the risk of rUTI in women. The pain and discomfort of the UTI must be balanced with the cost and risk of developing resistance when using antimicrobials. Continuous prophylaxis, pre- and post-coital voiding, and self-starting are the three commonly accepted options for prophylaxis. The choice between these will depend upon patient preference, cultures and previous pattern of infection. Intra-vesical instillation of hyaluronic acid and chondroitin sulphate have been used for glycosaminoglycan (GAG) layer replenishment for many indications, including interstitial cystitis, overactive bladder syndrome, radiation cystitis and prevention of rUTI. At present, intra-vesical therapies are reserved for only those with the most unresponsive rUTIs. The principles of treating rUTI are to break the cycle and to treat any reversible causes. With our ever-expanding research knowledge, there are now many useful products that may be used for the successful treatment of rUTI. A management plan including a combination of a non-antimicrobial and selective antimicrobial regime for a minimum of six months should be considered. It is a prudent clinician that clearly defines this management plan, with reassurance of a finite period of therapy.
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Affiliation(s)
- Paul A. Bergamin
- Department of Urology, Royal Brisbane and Women’s Hospital, Queensland, Australia
- Queen Elizabeth II Jubilee Hospital, Brisbane, Australia
- School of Medicine, University of Queensland, Brisbane, Australia
| | - Anthony J. Kiosoglous
- Department of Urology, Royal Brisbane and Women’s Hospital, Queensland, Australia
- Queen Elizabeth II Jubilee Hospital, Brisbane, Australia
- School of Medicine, University of Queensland, Brisbane, Australia
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Montorsi F, Gandaglia G, Salonia A, Briganti A, Mirone V. Effectiveness of a Combination of Cranberries, Lactobacillus rhamnosus , and Vitamin C for the Management of Recurrent Urinary Tract Infections in Women: Results of a Pilot Study. Eur Urol 2016; 70:912-915. [DOI: 10.1016/j.eururo.2016.05.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 05/29/2016] [Indexed: 10/21/2022]
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Vyas S, Sharma P, Srivastava K, Nautiyal V, Shrotriya VP. Role of Behavioural Risk Factors in Symptoms Related to UTI Among Nursing Students. J Clin Diagn Res 2015; 9:LC15-8. [PMID: 26500927 PMCID: PMC4606256 DOI: 10.7860/jcdr/2015/10995.6547] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2014] [Accepted: 05/15/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION UTI is a well known entity amongst young girls, and the majority of girls have recurrent infections within one year. Anything that disturbs the usual vaginal environment would result in conditions favouring the production of unwanted microorganisms leading to infections of this very sensitive area. Studies have shown that, there is an evident relation of UTI's among students and practices of personal hygiene. AIM To determine association between the behavioural risk factors and UTI among nursing girls. MATERIALS AND METHODS The present study was undertaken amongst unmarried nursing students of a Medical College Hospital. A predesigned pretested questionnaire was used to know the personal hygiene of students and to find out its association with UTI in the last three months. Chi-square test was used to analyse the data. RESULTS A significant association was observed between perineal hygiene and UTI. The major risk factors of UTI identified were incorrect perineal washing technique, use of synthetic/silk innerwears, not sundrying the innerwears, improper menstrual hygiene. CONCLUSION There are still major gaps in the knowledge regarding causation of UTI among the nursing students. This calls for an urgent need for educational talks periodically addressing these gaps.
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Affiliation(s)
- Shaili Vyas
- Assistant Professor, Department of Community Medicine, HIMS, SRHU, Swami Ram Nagar, Dehradun, India
| | - Parul Sharma
- Associate Professor, Department of Community Medicine, Padmashree Dr. D. Y. Patil Medical College, Hospital and Research Centre, India
| | - Kajal Srivastava
- Assistant Professor, Department of Community Medicine, Padmashree Dr. D. Y. Patil Medical College, Hospital and Research Centre, India
| | - Vipul Nautiyal
- Assistant Professor, Department of Radiotherapy, HIMS, SRHU, Swami Ram Nagar, Dehradun, India
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Recurrent urinary tract infections in women. Int Urogynecol J 2014; 26:795-804. [DOI: 10.1007/s00192-014-2569-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Accepted: 11/04/2014] [Indexed: 10/24/2022]
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Sammon JD, Sharma P, Rahbar H, Roghmann F, Ghani KR, Sukumar S, Karakiewicz PI, Peabody JO, Elder JS, Menon M, Sun M, Trinh QD. Predictors of admission in patients presenting to the emergency department with urinary tract infection. World J Urol 2013; 32:813-9. [PMID: 24072010 DOI: 10.1007/s00345-013-1167-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 09/03/2013] [Indexed: 11/24/2022] Open
Abstract
PURPOSE Previous studies examining the management of urinary tract infections (UTI) showed marked variability in the economical burden of care, with a tenfold increase in costs when patients require admission to the hospital. We sought to examine the patient and emergency department (ED) characteristics associated with hospitalization in patients presenting to the ED with UTI. METHODS An estimate of 10,798,343 patients with a primary diagnosis of UTI was presented to the ED from 2006 to 2009 and was abstracted from the Nationwide Emergency Department Sample. Univariable and multivariable analyses examined patient and hospital characteristics of those admitted with UTI. RESULTS Between 2006 and 2009, 10.8 million patients presented to the ED in the United States for the treatment of UTI and 1.8 million patients (16.7 %) were admitted to the hospital for further management. Admitted patients were older, and a higher proportion had pyelonephritis, was male, and had Medicare. Admitted patients were also more likely to be seen at urban teaching hospitals, and/or treated at zip codes with higher median incomes. Following multivariable analysis, the independent predictors of admission included pyelonephritis (OR 5.29, 95 % CI 5.23-5.35), male gender (OR 1.58, 95 % CI 1.56-1.59), and advancing age (OR 1.037, 95 % CI 1.037-1.037). CONCLUSIONS Expansion in ED utilization for the management of UTI has exceeded previous estimates. While the preponderance of patients presenting to the ED for UTI is discharged home, 16.7 % are admitted for further management. Predictors of inpatient admission on multivariable analyses included pyelonephritis, advancing age, and male gender.
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Affiliation(s)
- Jesse D Sammon
- Vattikuti Urology Institute, Henry Ford Health System, 2799 W. Grand Boulevard, Detroit, MI, 48202, USA,
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Al-Badr A, Al-Shaikh G. Recurrent Urinary Tract Infections Management in Women: A review. Sultan Qaboos Univ Med J 2013; 13:359-67. [PMID: 23984019 PMCID: PMC3749018 DOI: 10.12816/0003256] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Revised: 02/23/2013] [Accepted: 03/27/2013] [Indexed: 11/27/2022] Open
Abstract
Urinary tract infections (UTIs) are one of the most frequent clinical bacterial infections in women, accounting for nearly 25% of all infections. Around 50-60% of women will develop UTIs in their lifetimes. Escherichia coli is the organism that causes UTIs in most patients. Recurrent UTIs (RUTI) are mainly caused by reinfection by the same pathogen. Having frequent sexual intercourse is one of the greatest risk factors for RUTIs. In a subgroup of individuals with coexisting morbid conditions, complicated RUTIs can lead to upper tract infections or urosepsis. Although the initial treatment is antimicrobial therapy, use of different prophylactic regimens and alternative strategies are available to reduce exposure to antibiotics.
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Affiliation(s)
| | - Ghadeer Al-Shaikh
- King Saud University, King Khalid University Hospital, Riyadh, Saudi Arabia
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Vincent CR, Thomas TL, Reyes L, White CL, Canales BK, Brown MB. Symptoms and Risk Factors Associated with First Urinary Tract Infection in College Age Women: A Prospective Cohort Study. J Urol 2013; 189:904-10. [DOI: 10.1016/j.juro.2012.09.087] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 09/05/2012] [Indexed: 10/27/2022]
Affiliation(s)
- Charles R. Vincent
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
| | - Tami L. Thomas
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
| | - Leticia Reyes
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
| | - C. LeAnn White
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
| | - Benjamin K. Canales
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
| | - Mary B. Brown
- Departments of Urology and Infectious Disease and Pathology (TLT, LR, CLW, MBB), University of Florida, Gainesville, Florida
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Locke AB. Urinary Tract Infection. Integr Med (Encinitas) 2012. [DOI: 10.1016/b978-1-4377-1793-8.00020-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Auvert B, Jenabian MA, Saidi H, Lissouba P, Bélec L. Partial inactivation of CCR5- and CXCR4- tropic HIV-1 by human urine. Arch Virol 2011; 156:2181-6. [PMID: 21947506 DOI: 10.1007/s00705-011-1114-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Accepted: 09/12/2011] [Indexed: 10/17/2022]
Abstract
Human urine has been poorly investigated with regard to infection with human immunodeficiency virus (HIV). Here, we have studied the anti-infective functional properties of human urine against HIV. The effect of fresh urine pools on CCR5- and CXCR4-tropic HIV-1 was evaluated by using four in vitro mucosal models: reduction of infectivity of urine-treated HIV-1 particles, HIV-1 attachment to immature monocyte-derived dendritic cells (iMDDC), transfer of HIV-1 particles from iMDDC to autologous CD4 T cells, and HIV-1 transcytosis through epithelial cells. Human urine partially disrupted both CCR5- and CXCR4-tropic HIV-1 particles, moderately decreased the adsorption of HIV-1 on dendritic cells, and partially decreased the transfer of HIV-1 particles from dendritic cells to autologous T cells. These findings demonstrate partial inactivation of HIV infectivity and suggest that voiding urine after coitus could play a potential role in reducing the risk of HIV infection by both mechanically flushing out and neutralizing the infectivity of HIV-1 particles present in the genital tract.
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Contraception as a risk factor for urinary tract infection in Port Harcourt, Nigeria: A case control study. Afr J Prim Health Care Fam Med 2011. [PMCID: PMC4565416 DOI: 10.4102/phcfm.v3i1.207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background The concerted effort of government and donor agencies to limit fertility by the use of contraceptives has been reported in some studies to predispose to urinary tract infection (UTI). Similar studies have not been conducted in the General Outpatient Department (GOPD) of the University of Port Harcourt Teaching Hospital (UPTH). Objectives This study was aimed at assessing the role of contraceptives in the development of UTI amongst adult females attending the GOPD of UPTH. Method A case control study in which contraceptive users who attended the GOPD of the UPTH in four months, and an equal number of age-matched controls, were screened for UTI. The information obtained from them was entered into a specially designed pre-tested questionnaire for analysis. The results were analysed using SPSS version 14. Results A total of 150 contraceptive users and controls were evaluated. Their age range was 18–50 years, with a mean of 27.8 ± 5.3 years. Most of the participants belonged to the lower socioeconomic classes. The combined prevalence of UTI amongst the contraceptive users and the controls was 23.7%, with the contraceptive users at 35.3% and the controls at 12.0%. The association of UTI with contraceptive use was statistically significant, with McNemar's χ2 = 16.28, p = 0.000, odds ratio (OR) = 2.9, 95% confidence interval (CI) = 1.7 – 5.3, attributable risk (AR) = 23.3, population attributable risk (PAR) = 11.7. The users of barrier contraceptives were more predisposed to UTI (OR = 17.30, 95% CI = 7.49 -39.96). Conclusion Contraceptive use is a significant risk factor for acquiring urinary tract infection, with the barrier methods being more predisposing. Health education for the hygienic and safe use of family planning methods will prevent long-term complications.
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Scholes D, Hawn TR, Roberts PL, Li SS, Stapleton AE, Zhao LP, Stamm WE, Hooton TM. Family history and risk of recurrent cystitis and pyelonephritis in women. J Urol 2010; 184:564-9. [PMID: 20639019 DOI: 10.1016/j.juro.2010.03.139] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2009] [Indexed: 01/04/2023]
Abstract
PURPOSE Recurrent urinary tract infections and pyelonephritis have risk factors suggesting genetic sources. Family history variables indicative of genetic risk merit further investigation. We evaluated the risk of recurrent cystitis and pyelonephritis in women with and those without a family history of urinary tract infection. MATERIALS AND METHODS We conducted a population based case-control study of 1,261 women 18 to 49 years old enrolled in a Northwest health plan. Participants were cases identified from plan databases with documented recurrent cystitis (431) or pyelonephritis (400). Shared controls (430) were similar age women with no urinary tract infection history. We evaluated the history of urinary tract infection and pyelonephritis in first-degree female relatives (mother, sister[s], daughter[s]) and other covariates, ascertained through questionnaires and computerized databases. RESULTS Of the cases 70.9% with recurrent cystitis and 75.2% with pyelonephritis, and of the controls 42.4% reported a urinary tract infection history in 1 or more female relative (p <0.001 for each case group vs controls). In both case groups odds ratios were significantly increased for women reporting a urinary tract infection history in their mother, sister(s) or daughter(s). Risk increased with a greater number of affected relatives. In women with 1 vs 2 or more relatives the ORs for recurrent cystitis were 3.1 (95% CI 2.1, 4.7) and 5.0 (3.1, 8.1), and the ORs for pyelonephritis were 3.3 (2.2, 5.0) and 5.5 (3.4, 9.0), respectively. CONCLUSIONS In these community dwelling women a urinary tract infection history in female relatives was strongly and consistently associated with urinary tract infection recurrence and pyelonephritis. Risk estimates increased with stronger family history indices, suggesting a genetic component for increased susceptibility to these infections.
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Affiliation(s)
- Delia Scholes
- Group Health Research Institute, Group Health Cooperative, Seattle, Washington 98101, USA.
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22
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Gopal M, Northington G, Arya L. Clinical symptoms predictive of recurrent urinary tract infections. Am J Obstet Gynecol 2007; 197:74.e1-4. [PMID: 17618765 DOI: 10.1016/j.ajog.2007.02.044] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2006] [Revised: 01/02/2007] [Accepted: 02/27/2007] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The purpose of this study was to evaluate clinical predictors that will help diagnose women with recurrent urinary tract infections among women with irritative voiding symptoms. STUDY DESIGN A case control study was performed. Cases were women with the diagnosis of recurrent urinary tract infection and controls were women with irritative voiding symptoms. Symptoms predictive for recurrent urinary tract infection were evaluated. RESULTS Report of symptoms following intercourse (OR 12.4, 95% CI 3, 59), prior history of pyelonephritis (OR 7.4, 95% CI 2.1; 29), prompt resolution of symptoms with antibiotics (OR 3.9, 95 % CI 1.4, 11), and absence of nocturia (OR 0.22, 95% CI 0.05, 0.87) are significant predictors for women with recurrent urinary tract infection. CONCLUSION Among women with irritative voiding symptoms, clinical symptoms can help to identify women with recurrent urinary tract infections at the initial presentation even if urine culture reports are not available.
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Affiliation(s)
- Manish Gopal
- Division of Urogynecology, Department of Obstetrics and Gynecology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
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23
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Kurutas EB, Ciragil P, Gul M, Kilinc M. The effects of oxidative stress in urinary tract infection. Mediators Inflamm 2006; 2005:242-4. [PMID: 16192676 PMCID: PMC1526480 DOI: 10.1155/mi.2005.242] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We aimed to determine the effects of oxidative
stress in urinary tract infection (UTI). One hundred
sixty-four urine samples obtained from patients with the
prediagnosis of acute UTI admitted to the Faculty of
Medicine, Kahramanmaras Sutcu Imam University, were included in
this study. Urine cultures were performed according to standard
techniques. Urinary isolates were identified by using API ID 32E.
The catalase and superoxide dismutase activity and the lipid
peroxidation levels known as oxidative stress markers were
measured in all urine samples. Thirty-six pathogen microorganisms
were identified in positive urine cultures. These microorganisms
were as follows: 23 (63.8%) E coli, 5 (13.8%) P mirabilis, 4 (11.1%) K pneumoniae, 2 (5.5%)
Candida spp, 1 (2.7%) S saprophyticus, and 1
(2.7%) P aeruginosa. It was observed that lipid
peroxidation levels were increased while catalase and superoxide
dismutase activities were decreased in positive urine cultures,
compared to negative cultures. We conclude that urinary tract
infection causes oxidative stress, increases lipid peroxidation
level, and leads to insufficiency of antioxidant enzymes.
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Affiliation(s)
- Ergul Belge Kurutas
- Department of Biochemistry, Faculty of Medicine, Kahramanmaras Sutcu Iman University, Turkey.
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24
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Abstract
Urinary tract infection (UTI) is one of the most common bacterial infections in women, and one in four of these women will develop a recurrence. Various risk factors predispose women of different age groups to recurrence. These factors include sexual intercourse, use of contraception, antimicrobials, oestrogen, genetics, and the distance of the urethra from the anus. Of the different pathogens, Escherichia coli is the organism most commonly isolated. A variety of treatment options has been proposed, including long-term or post-intercourse prophylaxis and patient-initiated therapy. Oestrogen and cranberry juice have also been used as prophylactic treatment adjuncts. At present, other therapeutic and preventive modalities are being investigated, including the development of vaccines to treat those most severely affected.
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Affiliation(s)
- Anna Virginia M Franco
- Department of Urogynaecology and Pelvic Reconstruction, 4th Floor Lanesborough Wing, St George's Hospital, Blackshaw Road, London SW17 0QT, UK.
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25
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Kontiokari T, Nuutinen M, Uhari M. Dietary factors affecting susceptibility to urinary tract infection. Pediatr Nephrol 2004; 19:378-83. [PMID: 14986090 DOI: 10.1007/s00467-003-1410-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2003] [Revised: 12/17/2003] [Accepted: 12/18/2003] [Indexed: 11/25/2022]
Abstract
Urinary tract infection (UTI) is usually an ascending infection caused by bacteria derived from stools. Since the bacterial composition of stools is dependent on the diet, it is likely that the risk of UTI will change with changes in the diet. Most data describing diet as a risk factor for UTI come from epidemiological and interventional trials. It has been shown in a case-control setting that frequent consumption of fresh berry or fruit juices and fermented milk products containing probiotic bacteria decreases the risk for UTI recurrence in women. Several interventional trials have found Vaccinium berry products to provide protection from UTI recurrence. Probiotics have not been able to prevent UTI in interventional trials. However, the lack of an effect may be related to too low a dose or to the use of non-optimal products in these trials. Limited data are available on the effects of nutrition on UTI in children. However, there is no reason to expect that children would be different from adults in this respect. In this review, we discuss the dietary factors affecting the susceptibility to UTI.
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Affiliation(s)
- Tero Kontiokari
- Department of Pediatrics, University of Oulu, P.O. Box 5000, 90014 Oulu, Finland.
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26
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Manges AR. Molecular Epidemiology of Acute, Uncomplicated Urinary Tract Infections in Young Women. Curr Infect Dis Rep 2003; 5:504-509. [PMID: 14642193 DOI: 10.1007/s11908-003-0095-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Molecular biological methods, a relatively new addition to the epidemiologist's tool chest, are now applied to the study of urinary tract infection (UTI). By combining sound epidemiologic methods and the ability to genetically stratify UTI-causing Escherichia coli, recent studies have added to our understanding of UTI. These advancements include the possible identification of outbreaks of community-acquired UTI, the contribution of person-to-person transmission of E. coli to the risk for UTI in young women, and changes in the community prevalence and distribution of UTI caused by drug-resistant organisms. The application of molecular methods to future UTI research studies may yield novel approaches to UTI prevention.
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Affiliation(s)
- Amee R. Manges
- Riley Laboratory, 140 Warren Hall, School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA.
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27
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Handley MA, Reingold AL, Shiboski S, Padian NS. Incidence of acute urinary tract infection in young women and use of male condoms with and without nonoxynol-9 spermicides. Epidemiology 2002; 13:431-6. [PMID: 12094098 DOI: 10.1097/00001648-200207000-00011] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Acute urinary tract infection is one of the most common infections seen in primary care. METHODS We conducted a nested case-control study among a cohort of 519 women, ages 15-29 years, enrolled in a contraceptive acceptability study to examine whether recent use of male condoms increases urinary tract infection risk. RESULTS One hundred sixty-five incident urinary tract infections were identified during 12-month follow-up periods in a cohort study that was conducted between 1996 and 1999. After exclusions for urinary tract infection recurrences, pregnancy, antibiotic use, diabetes, diaphragm/cervical cap use, or urinary tract abnormalities, there were 100 cases and 200 controls. Compared with women not using barrier methods (and after adjustment for age, urinary tract infection history, hormonal method use, and frequency of sex) the odds ratio (OR) for any reported use of condoms coated with spermicide (Nonoxynol-9) in the previous 30 days was 2.8 (95% [confidence interval] CI = 1.2-6.5). The OR was 11.5 (95% CI = 2.5-53) for exclusive Nonoxynol-9-coated condom use. The OR for exclusive use of non-Nonoxynol-9-coated condoms was 7.4 (95% CI = 1.6-35). CONCLUSIONS In this study, use of male condoms was associated with increased urinary tract infection risk; the largest risk was associated with exclusive condom use and use of Nonoxynol-9-coated condoms.
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Affiliation(s)
- Margaret Anne Handley
- Division of Public Health Biology and Epidemiology, School of Public Health, University of California-Berkeley, Berkeley, CA, USA.
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28
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van Haarst EP, van Andel G, Heldeweg EA, Schlatmann TJ, van der Horst HJ. Evaluation of the diagnostic workup in young women referred for recurrent lower urinary tract infections. Urology 2002; 57:1068-72. [PMID: 11377307 DOI: 10.1016/s0090-4295(01)00971-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To evaluate the current practice of the diagnostic workup in The Netherlands and the clinical relevancy of the outcome of various diagnostic procedures in young women referred for recurrent lower urinary tract infections (UTIs). METHODS A questionnaire was sent to all urologic departments in The Netherlands (n = 104) inquiring about the diagnostic procedures used for recurrent lower UTIs. Furthermore, we performed a prospective study in 100 consecutive young female patients (18 to 40 years old) referred for evaluation of recurrent lower UTIs. All patients underwent a standardized workup: questionnaire, voiding diary, physical examination, urinalysis and culture, abdominal x-ray with ultrasound or intravenous urography, and cystoscopy. RESULTS The response rate to the questionnaires was 92%. The standard procedures were laboratory blood tests in 56%, cystoscopy in 69%, plain abdominal x-ray in 91%, and abdominal ultrasound in 59%. Only 18% of the urologists asked every patient to make a voided urine frequency volume chart. In our group of patients, the radiologic procedures revealed only one relevant abnormality. Cystoscopy confirmed cystitis in 22 patients, but never revealed relevant findings. None of these diagnostic procedures ever contributed to the diagnosis. The 24-hour urine output was less than 1.5 L in 43 patients, which was considered insufficient. The individual self-reports of fluid intake were unreliable. CONCLUSIONS Many Dutch urologists perform an extensive routine workup in patients referred for recurrent lower UTIs. The results of our study revealed that the yield of most diagnostic procedures in these patients is low. The focus in evaluating these patients should be directed toward the behavioral aspects. Thus, the routine workup can be restricted to a voiding diary, urinalysis, and urine culture.
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Affiliation(s)
- E P van Haarst
- Department of Urology, Sint Lucas Andreas Ziekenhuis, Amsterdam, The Netherlands
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29
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Abstract
UTIs are common, potentially severe infections that the emergency physician must manage efficiently and effectively. In most cases, this entity is well recognized, and the clinician will be confident of the correct course. However, in certain populations, complications are common, and the best therapy has yet to be proven. Tailoring the evaluation and treatment to the risk of complications is imperative. With careful evaluation, individualized therapy and close follow-up, the majority of patients can be expected to do well.
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Affiliation(s)
- O Miller
- Department of Emergency Medicine, Shawnee Mission Medical Center, Shawnee Mission, Kansas, USA
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30
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Pathogenesis of Urinary Tract Infection: the Role of Sexual Behavior and Sexual Transmission. Curr Infect Dis Rep 2000; 2:513-517. [PMID: 11095901 DOI: 10.1007/s11908-000-0054-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Acute urinary tract infection (UTI) is an extremely common clinical entity that affects almost half of all women in the United States, and accounts for more than 7 million physician visits, annually, in this country. Sexual behavior and UTI history are the most important predictors of UTI risk among sexually active young women. Whether sexual behavior has similar impact on UTI risk in older women is unknown. Postcoital prophylaxis has been investigated as a strategy for the prevention of recurrent UTI in sexually active women. There are conflicting data regarding the role of voiding habits in relation to sexual intercourse and the risk of UTI. Finally, there are interesting epidemiologic studies suggesting that uropathogenic Escherichia coli may be transmitted between sex partners. We review the recent literature regarding these different areas, and comment on the potential role of sexual transmission in UTI.
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31
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Abstract
Urinary tract infection (UTI) is common in postmenopausal women; the estimated incidence ranges from 4% to 15%. The clinical presentation of UTI is somewhat different in postmenopausal older women than it is in younger women: postmenopausal women are less likely to report frequency, dysuria, hematuria, and fever, but are more likely to report flank pain. Other than UTI history, risk factors for symptomatic UTI among postmenopausal women are poorly described. Hormonal replacement therapy minimizes physiologic changes associated with menopause that lead to genitourinary symptoms and, potentially, to UTI, but whether this therapy is appropriate for the prevention of recurrent UTI in postmenopausal women is uncertain.
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Affiliation(s)
- B Foxman
- University of Michigan School of Public Health, Department of Epidemiology, 109 Observatory Street, Ann Arbor, MI 48109-2029, USA
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32
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Abstract
Of 1492 teachers 791 (53%) responded to a survey addressing whether voiding habits at work or behavioral factors influenced by this occupation predisposed women to urinary tract infection. The mean number of voids during the work day was 2.7 +/- 1.4; 24.5% voided infrequently (never or only once) and 26.5% voided four or more times during the work day; 15.8% had had a urinary tract infection in the preceding year. Half of the respondents made a conscious effort to drink less while working, to avoid needing to use the toilet. There was no association between the prevalence of urinary tract infection and the number of voids or infrequent voiding at work. Compared to women who drank the volume they desired at work, those who drank less had a 2.21-fold higher risk (95% CI 1.45-3.38) of urinary tract infection after controlling for being parous, voiding infrequently at work, and urge incontinence. Further study is warranted to determine whether modification of behavioral factors at work can reduce the incidence of urinary tract infections. If this association holds, public policy must be changed to allow workers more adequate access to toilet facilities.
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Affiliation(s)
- I Nygaard
- University of Iowa College of Medicine, Iowa City 52242, USA
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33
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Hooton TM, Scholes D, Hughes JP, Winter C, Roberts PL, Stapleton AE, Stergachis A, Stamm WE. A prospective study of risk factors for symptomatic urinary tract infection in young women. N Engl J Med 1996; 335:468-74. [PMID: 8672152 DOI: 10.1056/nejm199608153350703] [Citation(s) in RCA: 380] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although acute urinary tract infections are common in young women, the associated risk factors have not been defined prospectively. METHODS We recruited sexually active young women who were starting a new method of contraception at a university health center or a health maintenance organization (HMO) and monitored them for six months for symptomatic urinary tract infections. Daily diaries and serial interviews were used to collect data on potential risk factors. RESULTS Among 796 women, the incidence of urinary tract infections per person-year was 0.7 in the university cohort (mean age, 23 years; n = 348) and 0.5 in the HMO cohort (mean age, 29; n = 448). In both cohorts, there were strong dose-response relations between the risk of infection and both recent use of a diaphragm with spermicide (respective relative risks for one, three, and five days of use in the past week, 1.42, 2.83, and 5.68 in the university cohort, P<0.001; and 1.29, 2.14, and 3.54 in the HMO cohort, P=0.04) and recent sexual intercourse (respective relative risks for one, three, and five days with intercourse in the past week, 1.37, 2.56, and 4.81 in the university cohort, P<0.001; and 1.24, 1.91, and 2.96 in the HMO cohort, P=0.002). The risk of acute infection was also associated with a history of recurrent infection (relative risk, 5.58 in the university group and 2.10 in the HMO group) but not with cervical-cap use, ABO-blood-group nonsecretor phenotype, or delayed postcoital voiding. CONCLUSIONS Among sexually active young women the incidence of symptomatic urinary tract infection is high, and the risk is strongly and independently associated with recent sexual intercourse, recent use of a diaphragm with spermicide, and a history of recurrent urinary tract infections.
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Affiliation(s)
- T M Hooton
- Department of Medicine, University of Washington School of Medicine, Seattle, 98122, USA
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34
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WILL JULIEC. Urinary Tract Infections Among Women with Diabetes—United States, 1989. J Womens Health (Larchmt) 1995. [DOI: 10.1089/jwh.1995.4.273] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Baerheim A, Laerum E. Symptomatic lower urinary tract infection induced by cooling of the feet. A controlled experimental trial. Scand J Prim Health Care 1992; 10:157-60. [PMID: 1345322 DOI: 10.3109/02813439209014054] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We conducted an open, non-randomized experimental study as a first step to find out whether cooling of the feet may cause symptomatic lower urinary tract infection (UTI) in cystitis-prone women. Twenty-nine healthy women, aged 19-68 (mean 42.5) years, who had had three or more symptomatic episodes of UTI during the previous 12 months were included. They registered symptoms and carried out a strip urinalysis at each urination during a control period of 72 hours. Their lower legs and feet were then immersed in increasingly cold water for 30 minutes. Another 72-hour period of registration followed. Six subjects developed acute distal urinary symptoms at a mean of 55 (95% confidence interval 50 to 61) hours after the cooling, compared with none in the control period. Five of the six had bacteriologically verified lower UTI (P = 0.03 v. the control period). Cooling of the feet seems to provoke symptomatic lower UTI in cystitis-prone women.
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Affiliation(s)
- A Baerheim
- Department of Public Health and Primary Health Care, University of Bergen, Norway
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36
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Abstract
The effects of personal hygiene, sexual history, diet, and stress on the risk of vulvovaginal candidiasis were estimated from a case-control study of students attending a public university during 1986-87. Data from medical records and self-administered questionnaires were used to compare 85 cases to 1,245 other students using the Health Service, and to 113 subjects chosen from the total student population. Frequent sexual intercourse was the strongest risk factor (seven or more times a week versus none): OR = 4.3; 95% CI: 1.4, 12.9 (for cases versus Health Service controls).
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Affiliation(s)
- B Foxman
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor 48109
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