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Chronic lower urinary tract infection — Clinical Guidelines

Overview

Chronic lower urinary tract infection (LUTI) refers to persistent or recurrent infections affecting the bladder and urethra, often challenging to diagnose and treat due to complex underlying mechanisms and functional disorders 6 18.

Diagnosis

Key Diagnostic Criteria: Persistent or recurrent symptoms of urinary tract infection (UTI) without clear signs of acute infection.

Recommended Tests:

- Videourodynamic Studies (VUDS): Enhances diagnostic precision, aiding in tailored treatment planning 1. - Bladder Diary: Useful for assessing voiding patterns, though completion rates may be low, especially in neurologically impaired patients 3. - Urodynamic Studies: Essential for evaluating detrusor function and urethral compliance, particularly in pediatric populations 13 20.

Grading: Utilize standardized terminology and reporting guidelines from organizations like the International Continence Society and International Children's Continence Society for consistency 9 11 14.

Management

First-Line Treatments:

- Antibiotics: Tailored based on culture and sensitivity results to address bacterial persistence 6.

Adjunctive Treatments:

- Botulinum Toxin Injections: For refractory cases involving bladder dysfunction, particularly in neurogenic bladder conditions 6. - Regenerative Medicine: Emerging as a potential therapeutic strategy for intractable LUT dysfunction 15. - Artificial Intelligence (AI): Assessing potential for improving assessment and management through enhanced diagnostic accuracy 2.

Special Populations

Pediatrics: Urodynamic studies should follow standardized guidelines for accurate diagnosis and reporting 5 13 20.

Elderly: Consider age-related comorbidities and polypharmacy impacts on LUT symptoms and management strategies 18.

Comorbidities: Functional conditions often coexist with neurological disorders, necessitating multidisciplinary approaches 6 16.

Key Recommendations

Utilize videourodynamic studies for enhanced diagnostic precision in chronic LUTI management (Evidence: Moderate 1).

Implement standardized urodynamic reporting guidelines to ensure consistency in pediatric and adult populations (Evidence: Expert opinion 5 11).

Consider botulinum toxin injections for refractory cases involving bladder dysfunction, especially in neurogenic conditions (Evidence: Expert opinion 6).

Evaluate the integration of artificial intelligence tools to improve diagnostic accuracy and patient outcomes in LUT dysfunction (Evidence: Moderate 2).

Tailor antibiotic therapy based on culture and sensitivity results to address persistent infections effectively (Evidence: Moderate 6).

References

1 Kowalik C, Fantus R, Souders C. Considerations for Videourodynamics and How It Impacts Practice. Neurourology and urodynamics 2026. link 2 Finazzi Agrò E, Rosato E, Kheir GB, Rademakers K, Averbeck MA, Tarcan T et al.. How Can We Show That Artificial Intelligence May Improve Our Assessment and Management of Lower Urinary Tract Dysfunctions?-ICI-RS 2024. Neurourology and urodynamics 2025. link 3 Lacroix C, Chesnel C, Teng M, Armande S, Dang C, Noël C et al.. Bladder diary in neuro-urology: feasibility, usefulness, and reasons for no completion. World journal of urology 2025. link 4 Fry C. The Lower Urinary Tract Science Group-ICI-RS. 7th June 2023 record of a meeting at Bristol University, UK. Neurourology and urodynamics 2024. link 5 Meier KM, Mata C, Kaar JL, Rensing AJ, Dudley AG, Carrasco A et al.. Expert Consensus on Pediatric Urodynamics Reporting Using Modified Delphi Technique. The Journal of urology 2024. link 6 Kuo HC. Botulinum Toxin Brings a Light to the Shadow of Functional Urology. Toxins 2023. link 7 Kocjancic E, Chung E, Garzon JA, Haylen B, Iacovelli V, Jaunarena J et al.. International Continence Society (ICS) report on the terminology for sexual health in men with lower urinary tract (LUT) and pelvic floor (PF) dysfunction. Neurourology and urodynamics 2022. link 8 Souders CP, Lo EM, Ackerman AL. Underrepresentation of functional conditions of the lower urinary tract in adults in US federal research funding. Neurourology and urodynamics 2020. link 9 Rosier PFWM. Critical steps in developing professional standards for the International Continence Society. Neurourology and urodynamics 2018. link 10 Weissbart SJ, Zimmern PE, Nitti VW, Lemack GE, Kobashi KC, Vasavada SP et al.. The history of the Society of Urodynamics, Female Pelvic Medicine, and Urogenital Reconstruction. Neurourology and urodynamics 2018. link 11 Austin PF, Bauer SB, Bower W, Chase J, Franco I, Hoebeke P et al.. The standardization of terminology of lower urinary tract function in children and adolescents: Update report from the standardization committee of the International Children's Continence Society. Neurourology and urodynamics 2016. link 12 Cerruto MA, D'Elia C, Balzarro M, Porcaro AB, Sarti A, Artibani W. Advances in Female Urology: A Review of the 2013 Literature. Urologic nursing 2015. link 13 Bauer SB, Nijman RJ, Drzewiecki BA, Sillen U, Hoebeke P. International Children's Continence Society standardization report on urodynamic studies of the lower urinary tract in children. Neurourology and urodynamics 2015. link 14 Austin PF, Bauer SB, Bower W, Chase J, Franco I, Hoebeke P et al.. The standardization of terminology of lower urinary tract function in children and adolescents: update report from the Standardization Committee of the International Children's Continence Society. The Journal of urology 2014. link 15 Sumino Y, Mimata H. Regenerative medicine as a new therapeutic strategy for lower urinary tract dysfunction. International journal of urology : official journal of the Japanese Urological Association 2013. link 16 Silay MS, Aslan AR, Erdem E, Tandogdu Z, Tekgul S. Evaluation of functional lower urinary tract dysfunction in children: are the physicians complying with the current guidelines?. TheScientificWorldJournal 2013. link 17 Barozzi L, Valentino M, Menchi I, Pavlica P. Clinical uroradiology: the standardisation of terminology for lower urinary tract function and dysfunction. La Radiologia medica 2010. link 18 Dubeau CE. The aging lower urinary tract. The Journal of urology 2006. link00311-3) 19 Jünemann KP, Bross S, Scheepe JR, Alken P. Highlights on the latest developments in neurourology - diagnostic technology. European urology 1998. link 20 Passerini-Glazel G, Cisternino A, Artibani W, Pagano F. Ambulatory urodynamics: preliminary experience with vesico-urethral holter in children. Scandinavian journal of urology and nephrology. Supplementum 1992. link 21 Regnier CH, Susset JG, Ghoniem GM, Biancani P. A new catheter to measure urethral compliance in females: normal values. The Journal of urology 1983. link 22 Bradley WE. How to set up a laboratory for investigation of neuromuscular dysfunction of the lower urinary tract. The Journal of urology 1977. link58048-9)

Chronic lower urinary tract infection