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Fernbach, S. K., Maizels, M., Conway, J. J. : Ultrasoundgrading of hydronephrosis : introduction to the system used by the Society for Fetal Urology. Pediatr.
Radiol., 23, 478-480, 1993.
Madden-Fuentes, R. J., McNamara, E. R., Nseyo, U., etal : Resolution rate of isolated low-grade hydronephrosis diagnosed within the first year of life. J. Pediatr.
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Koff, S. A. : Postnatal management of antenatal hydronephrosis using an observational approach. Urology, 55, 609-611, 2000.
Ulman, I., Jayanti, V. R., Koff, S. A. : The long-term follow up newborns with severe unilateral hydronephrosis initially treated nonoperatively. J. Urol., 164, 11011105, 2000.
Davenport, M. T., Merguerian, P. A., Koyle, M. : Antenatally diagnosed hydronephrosis : current postnatalmanagement. Pediatr. Surg. Int., 29, 2017-214, 2013.
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unilateral ureteropelvic junction obstruction treatment. Eur. Urol., 51, 551-555, 2007.
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J.J.P.U. Vol.25, No.2, 2016

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19
94

J.J.P.U. Vol.25, No.2, 2016!2

Society for Fetal Urology"SFU#$%&'()*+,-./01$%

SFU分類
grade 0腎盂の拡張を認めない

grade 1

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grade 3

腎盂の拡張とすべての腎杯の拡張を認める

grade 4

腎盂，腎杯の拡張とともに，腎実質の菲薄化を認める

日本小児泌尿器科学会の分類

20
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grade 3すべての腎杯が拡張

grade 4

grade 3に加え腎杯が凸型に実質内に張り出し，腎実質の菲薄化を認める

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1) Braga, L. H., Mijoic, H., Farrokhyar, F., et al : Antibiotic prophylaxis for urinary tract infections in antenatal hydronephrosis. Pediatrics, 131, 251-261, 2013.
2) Herz, D., Merguerian, P., McQuiston, L. : Continuous
antibiotic prophylaxis reduces the risk of febrile UTI
in children with asymptomatic antenatal hydronephrosis with either ureteral dilatation, high-grade vesicoureteral reflux, or ureterovesical junction obstruction. J. Pediatr. Urol., 10, 650-654, 2014.
3) Zareba, P., Lorenzo, A. J., Braga, L. H. : Risk factors for
febrile urinary tract infection in infants with prenatalhydronephrosis : Comprehensive single center analysis. J. Urol., 191, 1614-1619, 2014.
4) Castagnetti, M., Cimador, M., Esposito, C., et al : Antibiotic prophylaxis in antenatal nonrefluxing hydronephrosis, megaureter and ureterocele. Nat. Rev. Urol., 9,321-329. 2012.
5) Lee, J. H., Choi, H. S., Kim, J. K., et al : Nonrefluxing
neonatal hydronephrosis and the risk of urinary tract
infection. J. Urol., 179, 1524-1528, 2008.
6) Song, S. H., Lee, S. B., Park, Y. S., et al : Is antibiotic
prophylaxis necessary in infants with obstructive hydronephrosis? J. Urol., 177, 1098-1101, 2007.
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!
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35
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ê+<calculiëìíìî"PubMed;ïð*+196ñ]Q=¸´]ÔbUòÇRS6ñó¹*+TôUR<ureteropelvic junction obstruction, vesicoureteral
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"1) Kis, E., Verebely, T., Kovi, R., et al : The role of ultrasound in the follow-up of postoperative changes after
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úX]^_#$%°$&ªC«k¬­®¯|`,Iû0 2016üýþi~4C"17) Shokeir, A. A., El-Sherbiny, M. T., Gad, H. M., et al :Postnatal unilateral pelviureteral junction obstruction : impact of pyeloplasty and conservative management on renal function. Urology, 65, 980-985, 2005.
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Yóô õö5!
"1) Madden, N. P., Thomas, D. F. M., Gordon, A. C., et al :Antenatally detected pelviureteric junction obstruction. Is non-operation safe? Br. J. Urol., 68, 305-310,
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