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BMC Urology
Published in: BMC Urology 1/2017

Open Access 01-12-2017 | Research article

Presence of transient hydronephrosis immediately after surgery has a limited influence on renal function 1 year after ileal neobladder construction

Authors: Takuma Narita, Shingo Hatakeyama, Takuya Koie, Shogo Hosogoe, Teppei Matsumoto, Osamu Soma, Hayato Yamamoto, Tohru Yoneyama, Yuki Tobisawa, Takahiro Yoneyama, Yasuhiro Hashimoto, Chikara Ohyama

Published in: BMC Urology | Issue 1/2017

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Abstract

Background

Urinary tract obstruction and postoperative hydronephrosis are risk factor for renal function deterioration after orthotopic ileal neobladder construction. However, reports of relationship between transient hydronephrosis and renal function are limited.
We assess the influence of postoperative transient hydronephrosis on renal function in patients with orthotopic ileal neobladder construction.

Methods

Between January 2006 and June 2013, we performed radical cystectomy in 164 patients, and 101 received orthotopic ileal neobladder construction. This study included data available from 64 patients with 128 renal units who were enrolled retrospectively. The hydronephrosis grade of each renal unit scored 0–4. The patients were divided into 4 groups according to the grade of hydronephrosis: control, low, intermediate, and high. The grade of postoperative hydronephrosis was compared with renal function 1 month and 1 year after surgery.

Results

There were no significant differences in renal function before surgery between groups. One month after surgery, the presence of hydronephrosis was significantly associated with decreased renal function. However, 1 year after urinary diversion hydronephrosis grades were improved significantly, and renal function was comparable between groups. Postoperative hydronephrosis at 1 month had no significant influence on renal function 1 year after ileal neobladder construction. Limitations include retrospective design, short follow-up periods, and a sample composition.

Conclusions

The presence of transient hydronephrosis immediately after surgery may have limited influence on renal function 1 year after ileal neobladder construction.
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Metadata
Title
Presence of transient hydronephrosis immediately after surgery has a limited influence on renal function 1 year after ileal neobladder construction
Authors
Takuma Narita
Shingo Hatakeyama
Takuya Koie
Shogo Hosogoe
Teppei Matsumoto
Osamu Soma
Hayato Yamamoto
Tohru Yoneyama
Yuki Tobisawa
Takahiro Yoneyama
Yasuhiro Hashimoto
Chikara Ohyama
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Urology / Issue 1/2017
Electronic ISSN: 1471-2490
DOI
https://doi.org/10.1186/s12894-017-0263-x

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