Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?

ABSTRACT Purpose: To assess the need for postnatal evaluation and the medium term outcome in patients with isolated unilateral low grade prenatally detected hydronephrosis. Materials and Methods: We prospectively selected 424 patients (690 kidney units) with a prenatal diagnosis of urinary tract d...

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Main Authors: Osama M. Sarhan, Ahmed El Helaly, Abdulhakim Al Otay, Mustafa Al Ghanbar, Ziad Nakshabandi
Format: Article
Language:English
Published: Sociedade Brasileira de Urologia
Series:International Brazilian Journal of Urology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382018000400812&lng=en&tlng=en
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author Osama M. Sarhan
Ahmed El Helaly
Abdulhakim Al Otay
Mustafa Al Ghanbar
Ziad Nakshabandi
author_facet Osama M. Sarhan
Ahmed El Helaly
Abdulhakim Al Otay
Mustafa Al Ghanbar
Ziad Nakshabandi
author_sort Osama M. Sarhan
collection DOAJ
description ABSTRACT Purpose: To assess the need for postnatal evaluation and the medium term outcome in patients with isolated unilateral low grade prenatally detected hydronephrosis. Materials and Methods: We prospectively selected 424 patients (690 kidney units) with a prenatal diagnosis of urinary tract dilatation between 2010 and 2013. We included only those patients with isolated unilateral low-grade hydronephrosis who underwent at least 2 postnatal ultrasound examinations. The Society for Fetal Urology (SFU) grading system was utilized for assessment of the hydronephrosis. We excluded patients with bilateral dilation or other urological abnormalities. The fate of hydronephrosis including resolution, stability or worsening was documented. Results: A total of 66 infants (44 boys and 22 girls) with antenatally diagnosed unilateral urinary tract dilation (23 right and 43 left) were identified. Ultrasounds showed SFU grade 1 hydronephrosis in 32 patients (48%) and SFU grade 2 hydronephrosis in 34 (52%). After a mean follow-up period of 32 months (range 12 to 60), 37 patients (56%) had complete resolution of hydronephrosis while the remaining 29 were stable (44%). None of our patients developed UTIs during follow-up and none required surgical intervention. Conclusions: Prenatally detected, isolated unilateral low-grade hydronephrosis usually have a favorable prognosis. All cases in our cohort showed either stability or resolution of hydronephrosis without any harmful consequences. Based on our findings on medium-term in this category of patients, long-term follow-up is not warranted.
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spelling doaj.art-b789a9f65c114cc2afd30634ebdb8eb72022-12-22T02:03:56ZengSociedade Brasileira de UrologiaInternational Brazilian Journal of Urology1677-611944481281810.1590/s1677-5538.ibju.2017.0474S1677-55382018000400812Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?Osama M. SarhanAhmed El HelalyAbdulhakim Al OtayMustafa Al GhanbarZiad NakshabandiABSTRACT Purpose: To assess the need for postnatal evaluation and the medium term outcome in patients with isolated unilateral low grade prenatally detected hydronephrosis. Materials and Methods: We prospectively selected 424 patients (690 kidney units) with a prenatal diagnosis of urinary tract dilatation between 2010 and 2013. We included only those patients with isolated unilateral low-grade hydronephrosis who underwent at least 2 postnatal ultrasound examinations. The Society for Fetal Urology (SFU) grading system was utilized for assessment of the hydronephrosis. We excluded patients with bilateral dilation or other urological abnormalities. The fate of hydronephrosis including resolution, stability or worsening was documented. Results: A total of 66 infants (44 boys and 22 girls) with antenatally diagnosed unilateral urinary tract dilation (23 right and 43 left) were identified. Ultrasounds showed SFU grade 1 hydronephrosis in 32 patients (48%) and SFU grade 2 hydronephrosis in 34 (52%). After a mean follow-up period of 32 months (range 12 to 60), 37 patients (56%) had complete resolution of hydronephrosis while the remaining 29 were stable (44%). None of our patients developed UTIs during follow-up and none required surgical intervention. Conclusions: Prenatally detected, isolated unilateral low-grade hydronephrosis usually have a favorable prognosis. All cases in our cohort showed either stability or resolution of hydronephrosis without any harmful consequences. Based on our findings on medium-term in this category of patients, long-term follow-up is not warranted.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382018000400812&lng=en&tlng=enHydronephrosisFollow-Up StudiesUrinary Tract
spellingShingle Osama M. Sarhan
Ahmed El Helaly
Abdulhakim Al Otay
Mustafa Al Ghanbar
Ziad Nakshabandi
Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
International Brazilian Journal of Urology
Hydronephrosis
Follow-Up Studies
Urinary Tract
title Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
title_full Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
title_fullStr Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
title_full_unstemmed Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
title_short Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?
title_sort isolated low grade prenatally detected unilateral hydronephrosis do we need long term follow up
topic Hydronephrosis
Follow-Up Studies
Urinary Tract
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382018000400812&lng=en&tlng=en
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AT abdulhakimalotay isolatedlowgradeprenatallydetectedunilateralhydronephrosisdoweneedlongtermfollowup
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