Factors affecting spontaneous resolution of hematuria in childhood nutcracker syndrome

被引:97
作者
Shin, JI
Park, JM
Lee, SM
Shin, YH
Kim, JH
Lee, JS
Kim, MJ
机构
[1] Yonsei Univ, Coll Med, Dept Pediat, Inst Kidney Dis, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Dept Diagnost Radiol, Inst Kidney Dis, Seoul, South Korea
关键词
nutcracker syndrome; hematuria; resolution; peak velocity; body mass index;
D O I
10.1007/s00467-004-1799-z
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
To identify factors affecting spontaneous resolution of hematuria in children with nutcracker syndrome, 20 patients diagnosed as having nutcracker syndrome using renal Doppler ultrasound ( US) were analyzed retrospectively. Sixteen patients had microscopic hematuria, and four had gross hematuria at presentation. The mean age was 10.6 years ( range 2.5 - 14 years). All underwent a follow-up Doppler US examination after a mean period of 1.4 years ( range 0.5 - 3.5 years) after the first US was performed, and height and weight were measured at the time of US. At the time of follow-up US, hematuria disappeared in 15 patients and improved in 3. The peak velocity (PV) ratios of the left renal vein (LRV) at the follow-up US decreased significantly when compared to the first US examination ( 7.74+/-2.64 vs 3.50+/-1.09, p < 0.0001), and height ( 147.4+/-20.1 vs 152.3+/-18.8 cm) and weight ( 36.1+/-10.9 vs 42.3+/-12.7 kg) increased ( p < 0.0001). Changes in the PV ratios of the LRV correlated positively with changes in the PV at the aortomesenteric portion ( r = 0.569, p = 0.009). Changes in the PV at the aortomesenteric portion correlated negatively with changes in body mass index (BMI) ( r = - 0.543, p = 0.013). Although spontaneous resolution of hematuria in children with nutcracker syndrome is obscure, our findings suggest the increase in BMI may be a possible hemodynamic factor.
引用
收藏
页码:609 / 613
页数:5
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