Archivos espanoles de urologia · 2019
[How do renal function and dilation change after pieloplasty surgery in children?].
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Carrillo-Arroyo Isabel, Tordable-Ojeda Cristina, Cabezalí-Barbancho Daniel, Morante-Valverde Rocío, Gómez-Fraile Andrés
Аннотация
OBJECTIVE: The effects of pyeloplasty on renal function are not fully well defined. Our objective is to determine if renal function and renal dilation change after pyeloplasty and the risk factors that may influence in both parameters.
METHODS: Retrospective study of patients who underwent pyeloplasty. The parameters analyzed included: age, differential renal function, renal dilation, infection and complications. We compared ultrasound findings with measurement of the anterior-posterior diameter of the renal pelvis (mm) and the time/activity upload curve of the 99mTc- Mercaptoacetyltriglycine renography before and after surgery. Patients were divided in groups by renal function: bad (<20%), diminished (20-40%), normal (40-55%) and supranormal (>55%).
RESULTS: A total of 129 patients were included in the study. The normal renal function group was the one undergoing surgery most frequently. Comparison of function before and after surgery showed a statistically significant improvement when preoperative function was bad (<20%) (mean 9.2+/-8.9) or supranormal (>55%) (mean -8.7+/-8.5). In the subgroup of patients under 12 months, it was notable there were significant results only when renal function was diminished (20-40%) (mean 5.6+/-2.2). Renal dilation presented significant changes after surgery in all groups (mean 5.6+/-2.2) (p<0.0001), except in cases presenting complications.
CONCLUSIONS: Previous renal function has prognostic value on pieloplasty results. Supranormal renal function should be considered pathologic, but recoverable and it may improve after pieloplasty. In the absence of intra or postoperative complications, pyelocalycial dilation diminished after pieloplasty.
METHODS: Retrospective study of patients who underwent pyeloplasty. The parameters analyzed included: age, differential renal function, renal dilation, infection and complications. We compared ultrasound findings with measurement of the anterior-posterior diameter of the renal pelvis (mm) and the time/activity upload curve of the 99mTc- Mercaptoacetyltriglycine renography before and after surgery. Patients were divided in groups by renal function: bad (<20%), diminished (20-40%), normal (40-55%) and supranormal (>55%).
RESULTS: A total of 129 patients were included in the study. The normal renal function group was the one undergoing surgery most frequently. Comparison of function before and after surgery showed a statistically significant improvement when preoperative function was bad (<20%) (mean 9.2+/-8.9) or supranormal (>55%) (mean -8.7+/-8.5). In the subgroup of patients under 12 months, it was notable there were significant results only when renal function was diminished (20-40%) (mean 5.6+/-2.2). Renal dilation presented significant changes after surgery in all groups (mean 5.6+/-2.2) (p<0.0001), except in cases presenting complications.
CONCLUSIONS: Previous renal function has prognostic value on pieloplasty results. Supranormal renal function should be considered pathologic, but recoverable and it may improve after pieloplasty. In the absence of intra or postoperative complications, pyelocalycial dilation diminished after pieloplasty.