Investigation of intrarenal blood flow and urine flow aspects by scintillation camera
Journal Article
·
· Invest. Urol.; (United States)
OSTI ID:7282293
In order to clarify intrarenal dynamic processes related to regional distribution in patients with unilateral renal disease, two radioactive tracers, /sup 133/Xe and /sup 99m/Tc-diethylenetriaminepentaacetic acid (/sup 99m/Tc-DTPA) were introduced into a renal artery and intrarenal blood flow and urine flow aspects were observed by scintillation camera. Cortical blood flow decreased and medullary blood flow relatively increased with the advance of renal damage. Urine flow curve from normal cortex showed two phasic patterns. One early phase might correspond to the appearance of the tracer through the proximal tubule and a second phase might correspond to the appearance of the tracer through the loop of Henle to the distal tubule. Under mannitol diuresis, two phasic urine flow curves from the cortex became obscured and the peak time of pelvic curve shifted to the earlier period. These studies were considered to be useful in evaluating unilateral renal function and might offer a good insight for intrarenal physiology concerning blood flow as well as urine flow.
- Research Organization:
- Kyoto Univ.
- OSTI ID:
- 7282293
- Journal Information:
- Invest. Urol.; (United States), Journal Name: Invest. Urol.; (United States) Vol. 14:4; ISSN INURA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
AMINO ACIDS
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
BLOOD FLOW
BODY
BODY FLUIDS
CARBOXYLIC ACIDS
CHELATING AGENTS
DAYS LIVING RADIOISOTOPES
DTPA
EVEN-ODD NUCLEI
FLUID FLOW
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KIDNEYS
MAMMALS
MAN
MEASURING METHODS
NUCLEI
ODD-EVEN NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANS
PRIMATES
RADIOISOTOPES
TECHNETIUM 99
TECHNETIUM ISOTOPES
URINE
VERTEBRATES
WASTES
XENON 133
XENON ISOTOPES
YEARS LIVING RADIOISOTOPES
62 RADIOLOGY AND NUCLEAR MEDICINE
AMINO ACIDS
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
BLOOD FLOW
BODY
BODY FLUIDS
CARBOXYLIC ACIDS
CHELATING AGENTS
DAYS LIVING RADIOISOTOPES
DTPA
EVEN-ODD NUCLEI
FLUID FLOW
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KIDNEYS
MAMMALS
MAN
MEASURING METHODS
NUCLEI
ODD-EVEN NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANS
PRIMATES
RADIOISOTOPES
TECHNETIUM 99
TECHNETIUM ISOTOPES
URINE
VERTEBRATES
WASTES
XENON 133
XENON ISOTOPES
YEARS LIVING RADIOISOTOPES