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[Acute ureteral obstruction (renal colic)].

I M Derevianko, T I Derevianko, M B Aziz

    Urologiia (Moscow, Russia : 1999)
    |July 25, 2006
    PubMed
    Summary

    Measuring intrapelvic pressure (IPP) using a simple ureteral catheter device aids in diagnosing renal colic. This method reveals elevated IPP in patients with renal colic, particularly in females.

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    Area of Science:

    • Urology
    • Nephrology
    • Medical Devices

    Context:

    • Acute ureteral obstruction leads to elevated intrapelvic hydrostatic pressure.
    • Accurate diagnosis of renal colic is crucial for timely intervention.
    • Existing methods for pressure measurement may be complex or invasive.

    Purpose:

    • To introduce a simple device for estimating intrapelvic pressure (IPP).
    • To establish normal IPP ranges in healthy individuals.
    • To quantify IPP variations in patients experiencing renal colic.

    Summary:

    • A novel, simple device using a ureteral catheter and polyethylene tube was developed to measure intrapelvic pressure (IPP) in centimeters of urinary column.
    • Normal IPP in 187 healthy individuals ranged from 0.5 to 14.2 cm, with higher mean values in females.
    • In 187 renal colic patients, IPP ranged from 55 to 150 cm, with mean values of 97.4 cm in females and 89.8 cm in males during colic episodes.
    • Elevated IPP was consistently observed in renal colic patients compared to healthy individuals, with females exhibiting higher mean IPP.

    Impact:

    • Provides a straightforward method for objective diagnosis of renal colic.
    • Highlights the significance of IPP measurement in managing conditions like anuria and acute pyelonephritis.
    • Offers valuable insights into the sex-based differences in intrapelvic pressure during renal colic.

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