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Urinary Tract Calculi VI: Surgical Management

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...

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Functional evaluation before stone surgery: Is it mandatory?

Rishi Nayyar¹, Nikhil Khattar, Rajeev Sood

¹Department of Urology, RML Hospital and PGIMER, New Delhi, India.

Indian Journal of Urology : IJU : Journal of the Urological Society of India

|December 4, 2012

Summary

Functional evaluation of the kidney is standard for upper urinary tract stones, but evidence is limited. This review examines its clinical utility in the era of minimally invasive surgery.

Keywords:

Intravenous urogram nephrectomy percutaneous nephrolithotomy renal function retrograde intrarenal surgery ureteroscopy

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Area of Science:

Urology
Nephrology

Background:

Functional evaluation of the renal unit is a common practice for managing upper urinary tract stones.
Limited evidence exists to support or refute this practice.

Purpose of the Study:

To critically review the literature on the clinical utility of functional evaluation in renal stone disease.
To rationalize the concept of functional evaluation in the context of modern minimally invasive surgery.

Main Methods:

Literature review of existing studies on renal stone disease and functional evaluation.
Critical analysis of clinical utility and evidence base.

Main Results:

The current literature provides insufficient evidence to definitively support or refute the routine use of functional evaluation.
The clinical utility in the contemporary era of minimally invasive surgery requires re-evaluation.

Conclusions:

The role of functional evaluation in renal stone disease management needs further investigation.
Rationalizing its use in the context of advanced surgical techniques is essential.