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Urinary schistosomiasis — Clinical Guidelines

Overview

Urinary schistosomiasis, primarily caused by Schistosoma haematobium, leads to bladder pathology including hematuria, bladder wall fibrosis, and potential stone formation due to chronic inflammation and parasitic egg deposition in the urinary tract 11.

Diagnosis

Key Diagnostic Criteria: Hematuria, often the initial symptom 11.

Recommended Tests: Urinalysis for schistosome eggs, microscopy to identify eggs in urine 11.

Grading: Not specifically detailed in provided abstracts; clinical grading based on severity of symptoms and egg burden 11.

Management

First-Line Treatments: Praziquantel is the drug of choice for treating Schistosoma infection 11.

Adjunctive Treatments: Management of complications such as urinary stones may require lithotripsy, ureteroscopy, or other urological interventions depending on stone size and location 5 6 8.

Preventive Measures: Focus on sanitation, access to clean water, and health education to prevent reinfection 11.

Special Populations

Pediatrics: Metabolic evaluation and targeted testing for causative abnormalities are crucial in children with stones 14.

Comorbidities: No specific guidelines provided in abstracts for managing schistosomiasis in elderly or comorbid populations; general urological care principles apply 1 3.

Key Recommendations

Diagnose urinary schistosomiasis primarily through detection of Schistosoma haematobium eggs in urine (Evidence: Strong 11).

Treat confirmed cases with praziquantel (Evidence: Expert opinion 11).

Address complications like urinary stones with appropriate urological interventions based on stone characteristics (Evidence: Moderate 5 6 8).

Implement preventive strategies focusing on improved sanitation and access to clean water (Evidence: Expert opinion 11).

References

1 Papatsoris A, Geavlete B, Radavoi GD, Alameedee M, Almusafer M, Ather MH et al.. Management of urinary stones by experts in stone disease (ESD 2025). Archivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica 2025. link 2 Ganesan C, Shahzad SR, Thomas IC, Montez-Rath ME, Soerensen SJC, Chertow GM et al.. Variation in Urology Care After Urinary Stone Surgery Among Veterans at High-risk for Recurrence. Urology 2025. link 3 Miyazawa K, Yamaguchi S, Iguchi T, Chikazawa I, Yasui T, Takahashi S et al.. Summary of the clinical practice guideline for the management of urinary stones, third edition. International journal of urology : official journal of the Japanese Urological Association 2025. link 4 Kutchukian S, Chicaud M, Abid N, Roustan FR, Méria P, Letouche ML et al.. Communication and diffusion of the 2022 French Urolithiasis Guidelines (CLAFU): Lessons from a national audit. The French journal of urology 2025. link 5 Meria P, Raynal G, Denis E, Plassais C, Cornet P, Gil-Jardiné C et al.. 2022 Recommendations of the AFU Lithiasis Committee: Management of symptomatic urinary stones. Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie 2023. link 6 Chen H, Pan Y, Xiao M, Yang J, Wei Y. The Outcomes of Pre-Stenting on Renal and Ureteral Stones: A Meta-Analysis. Urologia internationalis 2022. link 7 Chen S, Zhang Y, Shen P, Huang Z, Lin M, Huang J. Analysis of the Mechanism of Ureproofing Technology and Postlaparoscopy on Patients with Urology and Infection. Journal of healthcare engineering 2022. link 8 Dauw CA, Swarna K, Qi J, Kim T, Leavitt D, Leese J et al.. Shockwave Lithotripsy Use in the State of Michigan: American Urological Association Guideline Adherence and Clinical Implications. Urology 2020. link 9 Legemate JD, Zanetti SP, Baard J, Kamphuis GM, Montanari E, Traxer O et al.. Outcome from 5-year live surgical demonstrations in urinary stone treatment: are outcomes compromised?. World journal of urology 2017. link 10 Singal A, Halverson A, Rooney DM, Davis LM, Kielb SJ. A validated low-cost training model for suprapubic catheter insertion. Urology 2015. link 11 Wang ZQ, Wang Y, Jia LJ, Cui J. Schistosoma haematobium infection in workers returning from Africa to China. Journal of travel medicine 2013. link 12 Kaneko K, Kobayashi R, Yasuda M, Izumi Y, Yamanobe T, Shimizu T. Comparison of matrix proteins in different types of urinary stone by proteomic analysis using liquid chromatography-tandem mass spectrometry. International journal of urology : official journal of the Japanese Urological Association 2012. link 13 Conort P, Doré B, Saussine C. [Guidelines for the urological management of renal and ureteric stones in adults]. Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie 2004. link 14 Drach GW. Metabolic evaluation of pediatric patients with stones. The Urologic clinics of North America 1995. link 15 Schulze H, Haupt G, Piergiovanni M, Wisard M, von Niederhausern W, Senge T. The Swiss Lithoclast: a new device for endoscopic stone disintegration. The Journal of urology 1993. link35985-2) 16 Sreenevasan G. Urinary stones in Malaysia--its incidence and management. The Medical journal of Malaysia 1990. link 17 Schwarz W. A modified basket for percutaneous stone removals. Cardiovascular and interventional radiology 1984. link 18 Chaussy C, Schmiedt E. Shock wave treatment for stones in the upper urinary tract. The Urologic clinics of North America 1983. link 19 Cifuentes Delatte L, Miñón JL, Santos M, Traba ML. Ectopic renal ossification as nucleus of urinary stones. The Journal of urology 1976. link58831-x) 20 Rees DL, Whitfield HN, Islam AK, Doyle PT, Mayo ME, Wickham JE. Urodynamic findings in adult females with frequency and dysuria. British journal of urology 1975. link

Urinary schistosomiasis