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Two Stages Repair of Proximal Hypospadias: Review of 700 Cases.

ABSTRACT: Surgical repair of hypospadias is challenging and problematic even for the most experienced specialists, and this is especially true when severe and complicated case is confronted. Many operations had been described for the management of this deformity.During the period from May 2004 to December 2015, we performed 700 cases with proximal hypospadias, at our institute in the Department of Pediatric Surgery by a single surgeon. Data were collected retrospectively and included patient's age at operation, degree of the hypospadias, degree of associated chordee, complications, and cosmetic outcome. All patients underwent 2 two-stage procedures with 9-12 months interval in between.Seven hundred patients with proximal hypospadias were operated upon in a period of 11 years. Byars's 2 two-stage operation was used in all 700 cases. Neither complete disruption nor urethral diverticula occurred 2 two-stage procedures in the 700 patients. 677 (96.7%) patients had no complication. Fistula was present in 21 (3%) patients. There was no case of meatal stenosis in our study.Two stages procedure using the principles of Byar's technique is a versatile operation that can be used for 2 two-stage procedures the proximal hypospadias. It decreases the rate of fistula formation, disruption, and stenosis and gives a satisfactory cosmetic appearance.

SUBMITTER: Shukla AK

PROVIDER: S-EPMC5473302 | biostudies-other | 2017 Jul-Sep

REPOSITORIES: biostudies-other

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Project description:BACKGROUND:Strong evidence for a causal role of environmental factors in a congenital anomaly is still difficult to produce. The collection of statistical data is crucial for gaining a better understanding of the epidemiology and pathophysiology of these anomalies. We aimed to evaluate spatial variations in hypospadias within our region and it's association to socioeconomic and ecological factors, taking clinical data into account. METHODS:All boys with hypospadias born in northern France and seen in Lille University Medical Center (Lille, France) between 1999 and 2012 were included in the analysis. We retrospectively collected geographic data, clinical data (especially known confounding factors associated with an elevated risk of hypospadias), and demographic, socio-economic and ecological data. We analyzed the entire study population and subsequently the subset of boys lacking confounding factors. RESULTS:The study sample of 975 cases of hypospadias over the 13-year period resulted in an incidence of 25.4/10,000 male births, and was characterized by significant spatial heterogeneity (p?<?0.005) and autocorrelation (p?<?0.001). We detected two high-incidence clusters that differed with regard to their land use. After the exclusion of 221 patients with confounding factors, two high-incidence clusters with significant disease risks (1.65 and 1.75, respectively; p?<?0.001) and a significant difference in land use (p?<?0.001) again appeared. The first cluster contained a higher median [interquartile range] proportion of artificialized land (0.40 [0.22;0.47]) than the remaining "neutral areas" (0.19 [0.08;0.53]) did (p?<?0.001). Conversely, the second cluster contained a higher median proportion of rural land (0.90 [0.78;0.96]) than the "neutral areas" (0.81 [0.47;0.92]) did (p?<?0.001). The median deprivation index was significantly lower in the urban cluster (0.47 [0.42;0.55]) and significantly higher in the rural cluster (0.69 [0.56;0.73]) (p?<?0.001). CONCLUSIONS:Our results evidenced the heterogeneous spatial distribution of cases of hypospadias in northern France. We identified two clusters with different environmental and social patterns - even after the exclusion of known confounding factors.

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Two Stages Repair of Proximal Hypospadias: Review of 700 Cases.

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