Resistances of various renal instruments used in ureteral perfusion

E. S. Amis, R. C. Pfister, J. H. Newhouse

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Various needles, catheters, and tubes, which can be used in the kidney for percutaneous ureteral pressure-flow studies (Whitaker Test), were perfused at standard and high flow rates to determine their inherent resistances. Continuous pressure monitoring without subtraction of renal instrumental baseline can be performed only with the larger-bone instruments (1.7-2.7 mm internal diameter, depending on length) as these induce no measured pressure rise in the perfused system at flow rates up to 10 ml/minute.

Original languageEnglish (US)
Pages (from-to)267-268
Number of pages2
JournalRADIOLOGY
Volume143
Issue number1
DOIs
StatePublished - Jan 1 1982

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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