Dataset Information

Evaluation of Treatment Practices for Urinalyses and Urine Cultures at an Outpatient Multiple Sclerosis Clinic.

ABSTRACT:

Background

Patients with multiple sclerosis (MS) experience disease flares that can be precipitated by the presence of infection. Discerning asymptomatic bacteriuria from urinary tract infection (UTI) in patients with MS is complicated by lower urinary tract dysfunction, leading to potentially inappropriate antimicrobial use. In this study the antimicrobial treatment practices for positive urine cultures in patients with MS were evaluated.

Methods

In this single-center, retrospective study, positive cultures in patients with MS were included. The primary outcome was the proportion of patients appropriately treated with or without antimicrobial therapy. Secondary end points included antimicrobial selection and urinalysis positivity.

Results

Two hundred thirty-six cultures from 139 patients were evaluated. Treatment was inappropriate in 81 of 201 treated cultures (40%). Frequency, nocturia, dysuria, and foul-smelling urine were reported by patients in 54 (23%), 10 (4%), 25 (11%), and 14 (6%) cultures, respectively. The antimicrobial selected was too broad in spectrum for 35 of 201 (17%). Of those, fluoroquinolones were the agents used in 33 of 35 cases (94%). A urinalysis was sent in 203 cases (86%), with 197 (84%) positive for at least one predefined positivity criteria.

Conclusions

Urinalyses and urine cultures are performed frequently in patients with MS, often independent of symptoms. Patients with MS could be treated for asymptomatic bacteriuria at higher rates than the general population, and traditional urinary symptoms may not be appropriate indicators of infection. Empirical therapy for UTI is frequently used in this population, often resulting in inappropriate and/or too broad of antimicrobial therapy.

SUBMITTER: Griffith NC

PROVIDER: S-EPMC8550486 | biostudies-literature | 2021 Sep-Oct

REPOSITORIES: biostudies-literature

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Publications

Evaluation of Treatment Practices for Urinalyses and Urine Cultures at an Outpatient Multiple Sclerosis Clinic.

Griffith Nicole C NC Hill Brandon K BK Goldman Myla D MD Tingen S Ross SR

International journal of MS care 20210901 5

<h4>Background</h4>Patients with multiple sclerosis (MS) experience disease flares that can be precipitated by the presence of infection. Discerning asymptomatic bacteriuria from urinary tract infection (UTI) in patients with MS is complicated by lower urinary tract dysfunction, leading to potentially inappropriate antimicrobial use. In this study the antimicrobial treatment practices for positive urine cultures in patients with MS were evaluated.<h4>Methods</h4>In this single-center, retrospect ...[more]

PMID: 34720764

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Project description:BackgroundAntibiotic resistance in uropathogens has rapidly escalated over time, complicating treatment and increasing morbidity and mortality. Few studies have explored how the social determinants of health may be associated with patients' risks for acquiring antibiotic-resistant (AR) uropathogens.MethodsWe identified urine cultures collected from outpatients presenting to Tufts Medical Center Primary Care Practices between 2015 and 2020. Specimens were included if patients' age, sex, and residential address were recorded in the electronic medical record (EMR) and if their urine culture yielded Enterococcus spp. or one or more gram-negative bacterial organism(s) or for which antibiotic susceptibility profiling and species identification was conducted. We abstracted patients' sociodemographic characteristics from the EMR and used US Census Bureau data to identify characteristics about patients' census tracts of residence. We evaluated associations between individual- and neighborhood-level characteristics and patients' risk of having a urine culture resistant to (1) three or more antibiotic classes (i.e., multidrug resistant [MDR]), (2) first-line treatments, (3) fluoroquinolones, (4) aminoglycosides, or (5) ceftriaxone using logistic regression models and a Bonferroni correction to account for multiple hypothesis testing.ResultsWe included urine cultures from 1,306 unique outpatients, most of whom were female (89%). Patients largely self-identified as Non-Hispanic White (36%), Asian (15%), or Non-Hispanic Black (11%). Over 60% lived in an environmental justice-designated census tract. Most included isolates were Escherichia coli (76%) or Klebsiella pneumoniae (7%). Using public insurance increased patients' odds of having a uropathogen resistant to first-line antibiotics, but living in a limited-income neighborhood reduced patients' odds of having a MDR uropathogen by 47%. We noted a strong but non-significant positive trend between speaking a language other than English and having an aminoglycoside-resistant uropathogen (p-value = 0.02). Most notably, after controlling for other factors, we observed no statistically significant associations between race or ethnicity and AR uropathogens.ConclusionThe social determinants of health may play important and intersecting roles in determining a patient's risk of having a resistant uropathogens that is more challenging or expensive to treat. It is crucial to acknowledge how race is likely to be a proxy for other factors affecting health, and to consider that some groups may be disproportionately impacted by antibiotic resistance.

Dataset Information

Evaluation of Treatment Practices for Urinalyses and Urine Cultures at an Outpatient Multiple Sclerosis Clinic.

Background

Methods

Results

Conclusions

Publications

Evaluation of Treatment Practices for Urinalyses and Urine Cultures at an Outpatient Multiple Sclerosis Clinic.

Similar Datasets

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