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題 名 | Correlation of Quantitative Renal Cortical Echogenicity with Renal Function in Pediatric Renal Diseases=小兒腎疾病量化腎皮質超音波回音強度與腎功能之相關性 |
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作 者 | 曹永魁; 李秉穎; 張鑾英; 陳烱輝; | 書刊名 | 中華民國小兒科醫學會雜誌 |
卷 期 | 38:4 民86.07-08 |
頁 次 | 頁276-281+313 |
分類號 | 417.574 |
關鍵詞 | 小兒超音波; 超音波回音強度; 腎絲球腎炎; 腎衰竭; Pediatric ultrasound; Echogenicity; Glomerulonephritis; Renal failure; |
語 文 | 英文(English) |
英文摘要 | Using quantitative echogenicity, the correlation between renal cortical echogenicity and renal function (serum creatinine) was evaluated in pediatric renal diseases. The kidney/liver echogenicity ratio (K/L ratio) was measured by computerized amplitude histogram in 20 healthy children as well as in 45 children with renal diseases, including 12 glomerulonephritis with chronic renal failure (CRF), 9 anatomicrelated CRF, 9 glomerulonephritis with acute renal failure (ARF), 5 nephrotoxic ARF, and 10 glomerulonephritis without renal failure. All children were above six years of age. Simultaneous serum creatinine was available during the procedure in all patients. The overall K/L ratio was 1.38 ± 0.26 for CRF and 1.14 ± 0.18 for ARF (p=0.007), while the overall serum creatinine was 312 ± 160 μ mol/L (3.5 ± 1.8 mg/dl) and 191 ± 73 μ mol/L (2.2 ± 0.8 mg/dl), respectively (p=0.013). K/L ratio was higher in CRF at a higher, or even at a comparable serum creatinine level, than in ARF. For patients with glomerulonephritis, K/L ratio was highest in those with CRF, next in those with ARF. Even in glomerulonephritis without renal failure, the K/L ratio was higher than in normal controls. There was a positive correlation between K/L ratio and serum creatinine concentration in glomerulonephritis with or without renal failure (r=0.69, p<0.001). These results suggest that the degree of increased renal echogenicity may reflect the severity of the renal disease. The K/L ratio measured by quantitative echogenicity may provide an additional simple noninvasive method to monitor the progression of glomerulonephritis. |
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