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Updated: Dec 28, 2025
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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
Published on: June 21, 2024
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[Native kidney ultrasound in obstructive uropathy].
Fulvio Fiorini1, Antonio De Pascalis2, Alessandro D'Amelio3
1UOC Nefrologia, Dialisi, AULSS5 Polesana, Rovigo. Scuola Nazionale di Ecografia Nefrologica, Società Italiana di Ultrasonologia in Medicina e Chirurgia (SIUMB), Rovigo. Commissione Didattica Iter Formativo in Ecografia Nefrologica Società Italiana di Nefrologia.
Summary
Ultrasound is a crucial tool for diagnosing obstructive uropathy and hydronephrosis, helping nephrologists differentiate acute from chronic kidney issues and determine the cause of urinary tract obstruction.
Area of Science:
- Nephrology
- Urology
- Radiology
Background:
- Obstructive uropathy involves structural and functional urinary tract changes due to interrupted urine flow.
- Urinary tract obstructions vary in origin, duration, severity, laterality, and completeness.
- Hydronephrosis signifies pelvic dilation, detectable via imaging.
Purpose of the Study:
- To guide nephrologists in diagnosing obstructive uropathy and hydronephrosis using ultrasound.
- To aid in distinguishing acute kidney injury from chronic kidney disease.
- To differentiate between nephrological and urological causes of acute urinary tract obstruction.
Main Methods:
- Review of diagnostic applications of ultrasound in obstructive uropathy.
- Utilizing ultrasound to assess urinary tract dilation and parenchymal thickness.
- Categorizing urinary tract dilation into three degrees based on ultrasound findings.
Main Results:
- Ultrasound is the gold standard for diagnosing obstructive uropathy.
- Ultrasound effectively distinguishes degrees of urinary tract dilation.
- Imaging findings aid in differentiating acute vs. chronic kidney conditions.
Conclusions:
- Ultrasound is essential for nephrologists managing patients with kidney failure and suspected urinary tract obstruction.
- This review provides a framework for using ultrasound to diagnose obstructive uropathy.
- Accurate ultrasound interpretation facilitates timely and appropriate patient management.
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