KMID : 0371619920080010001
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Journal of Wonkwang Medical Science 1992 Volume.8 No. 1 p.1 ~ p.6
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Changes in Urinary Excretion of Renal Tubular Enzymes after Extracorporeal Shock Wave Lithotripsy
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Abstract
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Urinary enzyme testing has been used by many investigators to diagnose and monitor various types of renal injury caused by extracorporeal shock wave lithotripsy. Two urinary enzymes, N-acetyl-beta-glucosaminidase(NAG), B2-microglobulin, were
monitored
in 22 patients 1 day before and 1 and 3 days after a single unilateral extracorporeal shock wave lithotripsy for treatment of renal stone. All patients had non-obstructed and infection-free previously untreated renal stones. Extracorporeal shock
wave
lithotripsy was performed on the EDAP-LTO1+pieoerectric lithotriptor. Urine specimens were collected before extracorporeal shock wave lithotripsy. 1 and 3 days after treatment. Two enzyme levels were elevated 1 day after treatment and decreased
to
pre-procedure levels at 3 days after, with the increases being statistically non-significant. These findings indicate that there is a transient, nonsignificant renal tubular damage after extracorporeal shock wave lithotripsy.
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