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The Whitaker test.

Richard B Johnston1, Christopher Porter2

  • 1Department of Urology, Virginia Mason Medical Center, 1100 Ninth Ave C7-URO, Seattle, Washington 98101, USA. richard.b.johnston@gmail.com.

Urology Journal
|July 13, 2014
PubMed
Summary
This summary is machine-generated.

The Whitaker test, combining urodynamics and antegrade pyelography, helps diagnose upper urinary tract obstruction. It is valuable for equivocal cases when less invasive tests are inconclusive.

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Area of Science:

  • Urology
  • Diagnostic Imaging
  • Nephrology

Background:

  • The Whitaker test was developed in the late 1960s/early 1970s by Roger H. Whitaker.
  • It integrates urodynamic study with antegrade pyelography.

Observation:

  • The test measures the pressure difference between the renal pelvis and bladder.
  • It aids in differentiating obstruction from permanent dilatational changes.

Findings:

  • Useful for evaluating questionable ureteropelvic/ureterovesical junction obstruction.
  • Assists in determining safe discontinuation of percutaneous nephrostomy tubes post-operatively.

Implications:

  • The Whitaker test is indicated for equivocal upper tract obstruction cases.
  • It is best used when less invasive tests yield inconclusive results or in poorly functioning kidneys.
  • Its role in managing intermittent obstruction and investigating dilatation is significant.