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1.
J Pediatr Urol ; 15(2): 180-184, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-30685112

RESUMEN

INTRODUCTION: There is not a structured algorithm, timeline, or resource on how, when, and which programs are looking for a new staff pediatric urologist. We hypothesized that current and future pediatric urology fellows could benefit from the experiences of recently graduated fellows on navigating the urology job market. OBJECTIVE: The purpose of this study was to survey current and recent pediatric urology fellowship graduates about the process of finding their first job. STUDY DESIGN: A Research Electronic Data Capture (REDCap) online survey was designed and distributed through email to current fellows and 2012-2017 graduates. Results were evaluated using STATA. RESULTS: 153 participants were emailed, and 94 (61%) completed the survey. The plurality of applicants (44%) began the job search at the Spring American Urological Association meeting, 14 months before finishing (Figure). Of those who started 14 months before finishing, 33% wished they started earlier and 61% would have started at the same point. The median number of programs contacted for a position was 3-4 and the median number of programs visited and offers received was two. After the offer, 40% reported having >8 weeks to decide. Less than half (38.5%) hired an attorney for contract negotiation. Of those who hired an attorney, 68% felt it provided benefit. Regarding contract negotiation, 22% did not negotiate and 35% negotiated for salary. Unsurprisingly, 28% of those who took academic jobs thought negotiating for protected research/educational time was most important compared with only 4% of those who took non-academic jobs (P = 0.02). When asked how they learned about the job they accepted: 28% were contacted by the program, 25% cold called the program, 30% accepted where they did residency or fellowship, and 18% learned through society websites. The plurality (50%) thought the number of desirable positions during the process were as they expected. 41% however, thought the number of desirable positions were expectedly or surprisingly low. Regarding quality of life and satisfaction with job/career choice, 98% stated that they would still choose to subspecialize in pediatric urology. CONCLUSIONS: The results from this survey should provide guidance to fellows on how to approach the job search with respect to timing, expectations, contract negotiation, and initial job satisfaction.


Asunto(s)
Empleo/estadística & datos numéricos , Pediatría/estadística & datos numéricos , Urología/estadística & datos numéricos , Adulto , Femenino , Humanos , Masculino , Estados Unidos
2.
J Pediatr Urol ; 15(1): 51-57, 2019 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-30340928

RESUMEN

INTRODUCTION: Women are entering the subspecialty of pediatric urology at an accelerated rate. Gender differences affecting fellowship and job selection have been identified in other fields of medicine. OBJECTIVE: The objective of this study was to understand gender differences in pediatric urology fellowship and job selection and how they may affect the workforce. STUDY DESIGN: A 47-question electronic survey consisting of questions regarding demographics, residency training, and factors influencing fellowship and job selection was distributed to current fellows and recent graduates in pediatric urology in May 2017. RESULTS: A total of 111 recent and current fellows were contacted, and 72% completed the survey (55% female [F] and 45% male [M]; 61% current fellows and 39% recent fellows). Respondents rated factors important in choosing pediatric urology on a scale of 1-5 (1, not important and 5, extremely important), and the top three for both genders were 1-working with children, 2-influential mentors, and 3-bread and butter cases such as inguinal orchiopexy. During residency, 93% of respondents reported having influential mentors in pediatric urology. However, mentorship was more important in fellowship choice for males than females (3.6 F, 4.1 M; P-value = 0.048), and 45% reported having only male mentors. Rating factors important in job choice on a scale of 1-5, respondents reported the top factors as 1-rapport with partners/mentorship (4.5), 2-geography/family preferences (4.3), and 3-participation in mentoring/teaching (3.8). Although most job selection criteria were rated similarly between genders, females rated call schedule higher than males (3.5 F, 2.9 M, P-value = 0.009). Although most females and males (79% of F, 78% of M, P-value = 0.868) sought primarily academic positions, a smaller proportion of females accepted academic positions (52% of F, 72% of M, P-value 0.26), and females reported lower satisfaction regarding the availability of jobs on a scale of 1-5 (1, very dissatisfied and 5, very satisfied; 3.1 F, 3.7 M; P-value = 0.034), particularly in academic positions (3.1 F, 3.7 M; P-value = 0.06). This difference was more pronounced in current fellows than recent graduates and may represent a worsening trend. CONCLUSION: Although significant gender differences in fellowship and job selection may exist in other fields, we found that women and men choose pediatric urology fellowships and jobs using similar criteria, which include work-life balance. Gender differences exist in the influence of mentors, indicating a need for more female mentors. While men and women sought similar types of jobs, women were less satisfied with the availability of jobs, particularly academic jobs, than men, which warrants further investigation.


Asunto(s)
Becas/estadística & datos numéricos , Pediatría/estadística & datos numéricos , Médicos Mujeres/estadística & datos numéricos , Urología/estadística & datos numéricos , Selección de Profesión , Femenino , Humanos , Masculino , Mentores/estadística & datos numéricos , Autoinforme , Distribución por Sexo
3.
J Pediatr Urol ; 13(4): 371.e1-371.e8, 2017 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-28583853

RESUMEN

INTRODUCTION: The primary urologic objectives for lipomyelomeningocele (LMM) and myelomeningocele (MM) are preserving renal integrity and achieving continence. Due to this common ground, LMM and MM are urologically treated the same. However, unlike MM, LMM may present with no evident functional concerns. Indications for and timing of tethered cord release (TCR) in LMM are therefore controversial. Long-term urologic outcomes are not well defined. OBJECTIVE: Expectations for continence and potential for intermittent catheterization (CIC) following TCR in LMM are important for realistically counseling families regarding future needs. The present study aimed to identify prognostic factors for continence and need for CIC in LMM. STUDY DESIGN: The present study retrospectively identified 143 patients from the multidisciplinary clinic who underwent TCR for LMM between 1995 and 2010. Concomitant anorectal/genitourinary anomalies, filar lipoma, fatty filum, previous TCR, and follow-up <1 year were excluded. Analysis was limited to those toilet trained or aged ≥6 years at latest follow-up. Lipomyelomeningocele was classified as dorsal, distal, transitional or chaotic. Pre- and post-TCR urologic status was assessed. Ability to achieve urinary continence, with or without CIC, was the primary outcome, and need for CIC was the secondary outcome of interest. RESULTS: A total of 56 patients met inclusion criteria. Median age at TCR was 4.4 months (range 1.0-224.0) with a median follow-up of 10.7 years (range 1.3-19.1); 68% were asymptomatic at presentation. Clinical symptoms were urologic in 7%. At the latest follow-up, 86% of patients were continent spontaneously or with CIC (Summary Fig.). Of the four patients who presented with urologic symptoms, all were continent, but three required CIC. Overall, 23% of patients required CIC. Median age at CIC initiation was 7.6 years (range 1.6-17.4). Long-term continence was not associated with any demographic, anatomic, surgical or functional variable. Need for CIC at latest follow-up was associated with symptomatic presentation, partial TCR, transitional lipoma, and high-risk pre-operative urodynamics. DISCUSSION: In this series of primary TCR for LMM, where 93% of patients were urologically asymptomatic before TCR, prospects for continence were excellent. No studied parameter clearly impacted continence; however, need for CIC was associated with multiple variables. CONCLUSIONS: Clear predictors for continence after TCR will require additional long-term patient outcomes. Families can anticipate 23% likelihood of CIC, which is considerably less than in MM, but long-term urologic follow-up is still strongly recommended.


Asunto(s)
Meningomielocele/diagnóstico , Meningomielocele/cirugía , Adolescente , Niño , Preescolar , Femenino , Humanos , Lactante , Masculino , Meningomielocele/complicaciones , Selección de Paciente , Estudios Retrospectivos , Resultado del Tratamiento , Incontinencia Urinaria/etiología , Incontinencia Urinaria/prevención & control
4.
J Pediatr Urol ; 12(4): 202.e1-5, 2016 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-27321557

RESUMEN

INTRODUCTION: Recent studies have suggested that a smaller glans penis size may be associated with a higher likelihood of complications after hypospadias repair. Accurate identification of risk factors other than the well-understood variable of meatal location would allow development of better prognostic models and individualized risk stratification. OBJECTIVE: To test the hypothesis that a smaller width of the glans penis predicts adverse outcomes after hypospadias surgery. METHODS: Prospectively recorded clinical data were reviewed from a single-institution registry of primary hypospadias repairs performed between 2011 and 2014. Follow-up records were examined for occurrence of complications. Urethroplasty complications were defined to include meatal stenosis, dehiscence, urethrocutaneous fistula, urethral stricture, and/or urethral diverticulum. The subset of meatal stenosis and dehiscence were regarded as glanular complications. Regression analyses were performed to determine association between glans width and occurrence of complications. Because pre-operative androgen stimulation is known to increase glans penis size, separate subgroup analyses were included of patients with and without pre-operative use of testosterone cream. RESULTS: A total of 159 patients met criteria for inclusion in the study cohort: 140 patients underwent a single-stage repair, while 19 patients had a two-stage repair. The median glans penis width was 15 mm (range 10-22). Eighty-four patients (53%) received testosterone cream pre-operatively and had a significantly wider glans penis than the 75 patients who did not (median 15.5 vs 14 mm; P < 0.001). Median clinical follow-up was 7 months (IQR 1-12), with a minimum time elapsed since surgery of 10 months at the time of chart review. Twenty-four patients (15%) had one or more urethroplasty complications, including 11 (7%) with glanular complications. Overall, there was no statistically significant association between glans width and urethroplasty complications (P = 0.26) or glanular complications (P = 0.90) (Summary Table). Subgroup analyses of patients with and without pre-operative testosterone also revealed no significant associations between glans width and complications. CONCLUSIONS: Glans penis width was not a risk factor for complications after hypospadias repair. This finding differs from the results of other recent studies and encourages further research into the value of measuring penile parameters in patients undergoing hypospadias repair.


Asunto(s)
Hipospadias/cirugía , Pene/anatomía & histología , Complicaciones Posoperatorias/epidemiología , Humanos , Lactante , Masculino , Tamaño de los Órganos , Estudios Retrospectivos , Factores de Riesgo
5.
J Pediatr Urol ; 11(4): 198.e1-6, 2015 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-26159493

RESUMEN

INTRODUCTION: Uroflowmetry with electromyography (uroflow-EMG) is commonly used for evaluation of lower urinary tract (LUT) function in children. Diagnostic criteria based largely on uroflow-EMG findings have previously been proposed for several conditions collectively termed non-neurogenic voiding disorders (NNVDs). These include dysfunctional voiding (DV), idiopathic detrusor overactivity disorder (IDOD), detrusor underutilization disorder (DUD), and primary bladder neck dysfunction (PBND). It is unknown whether practitioners with varying levels of training and experience can apply the diagnostic criteria for these conditions with a high level of consistency. OBJECTIVE: To assess inter-rater agreement on diagnosis of NNVDs using uroflow-EMG studies. STUDY DESIGN: Six raters performed post hoc evaluation of 84 uroflow-EMG studies and associated clinical data from children with symptoms of LUT dysfunction and no evidence of neurologic or anatomic abnormalities. Each rater was asked to categorize the uroflow-EMG studies as being consistent with DV, IDOD, DUD, PBND, or normal/unclassifiable. A consensus diagnosis was noted for studies on which at least four raters agreed. Inter-rater agreement was assessed via calculation of unweighted Fleiss' kappa statistics. RESULTS: Overall inter-rater agreement on NNVD diagnoses was moderate (kappa 0.46, 95% CI 0.38-0.54). Agreement between individual raters ranged from 0.33 (fair) to 0.74 (substantial) (Figure). There was no consensus on diagnosis for 20 patients (24%). DISCUSSION: Several factors may contribute to inter-rater disagreement on diagnosis of NNVDs. These include instances where patients satisfy one criterion for a particular diagnosis while missing others - or have findings consistent with more than one diagnosis. Strategies to address this may involve simplifying the diagnostic criteria, developing a clear algorithm that prioritizes certain criteria, and/or allowing assignment of multiple diagnoses. Practitioners could also benefit from standardized education regarding the diagnostic criteria for NNVDs. Potential limitations of this analysis included the use of just one uroflow-EMG study per patient in almost all cases. Also, the raters had variable levels of previous experience using the diagnostic criteria for NNVDs, and it is possible that they were not always applied as originally intended. If this were the case, it would support development of a standardized education tool to facilitate practitioner understanding and application of the criteria. CONCLUSIONS: Uroflow-EMG has shown promise for improving clinical management of NNVDs associated with pediatric LUT dysfunction. However, inter-rater agreement on NNVD diagnoses using current criteria is suboptimal. Various mechanisms should be explored to improve consistency in practitioners' diagnosis of NNVDs.


Asunto(s)
Electromiografía/métodos , Diafragma Pélvico/fisiopatología , Reología/métodos , Vejiga Urinaria/fisiopatología , Trastornos Urinarios/diagnóstico , Urodinámica/fisiología , Adolescente , Niño , Preescolar , Diagnóstico Diferencial , Femenino , Estudios de Seguimiento , Humanos , Masculino , Curva ROC , Reproducibilidad de los Resultados , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Trastornos Urinarios/fisiopatología
8.
J Urol ; 166(4): 1476-8, 2001 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-11547116

RESUMEN

PURPOSE: The Malone antegrade continence enema provides independence and improved quality of life in patients with fecal incontinence or intractable constipation. However, isolated reports of fatal hypernatremia after irrigation with normal saline have raised safety concerns about frequent colonic irrigation in children. Significant electrolyte abnormalities have also been reported with hypertonic phosphate and high colonic tap water enemas. Because our patients routinely use tap water for Malone antegrade continence enema irrigations, we examined the safety profile of this practice MATERIALS AND METHODS: In the last 3.5 years 71 patients at our institution have used antegrade tap water enemas for managing fecal incontinence or intractable constipation. Standard serum electrolytes were measured RESULTS: We obtained 101 sets of serum electrolyte measurements in 71 patients at a mean of 8.4 months postoperatively (range 1 to 33). A girl who presented with severe hyponatremia and hypochloremia had not used the Malone antegrade continence enema for several days. The most interesting finding was significantly elevated sodium and chloride in 1 case 6 weeks after surgery that was associated with tap water treated with a home softening system. Electrolytes reverted to normal 1 week after using untreated tap water CONCLUSIONS: We did not detect significant hyponatremia or hypochloremia in any patient using tap water for Malone antegrade continence enema irrigation. Although dangerous electrolyte abnormalities are rare, potential morbidity in those cases warrants periodic evaluation. Due to the elevated sodium content in softened tap water families should be alerted to use untreated tap water for preparing enemas.


Asunto(s)
Estreñimiento/terapia , Enema/efectos adversos , Enema/métodos , Incontinencia Fecal/terapia , Desequilibrio Hidroelectrolítico/etiología , Agua/efectos adversos , Adolescente , Adulto , Niño , Humanos , Desequilibrio Hidroelectrolítico/epidemiología
9.
Am J Physiol Cell Physiol ; 281(2): C563-70, 2001 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-11443055

RESUMEN

Ischemia causes renal tubular cell loss through apoptosis; however, the mechanisms of this process remain unclear. Using the renal tubular epithelial cell line LLC-PK(1), we developed a model of simulated ischemia (SI) to investigate the role of p38 MAPK (mitogen-activated protein kinase) in renal cell tumor necrosis factor-alpha (TNF-alpha) mRNA production, protein bioactivity, and apoptosis. Results demonstrate that 60 min of SI induced maximal TNF-alpha mRNA production and bioactivity. Furthermore, 60 min of ischemia induced renal tubular cell apoptosis at all substrate replacement time points examined, with peak apoptotic cell death occurring after either 24 or 48 h. p38 MAPK inhibition abolished TNF-alpha mRNA production and TNF-alpha bioactivity, and both p38 MAPK inhibition and TNF-alpha neutralization (anti-porcine TNF-alpha antibody) prevented apoptosis after 60 min of SI. These results constitute the initial demonstration that 1) renal tubular cells produce TNF-alpha mRNA and biologically active TNF-alpha and undergo apoptosis in response to SI, and 2) p38 MAPK mediates renal tubular cell TNF-alpha production and TNF-alpha-dependent apoptosis after SI.


Asunto(s)
Apoptosis/fisiología , Isquemia/fisiopatología , Túbulos Renales/irrigación sanguínea , Túbulos Renales/metabolismo , Proteínas Quinasas Activadas por Mitógenos/fisiología , Factor de Necrosis Tumoral alfa/fisiología , Animales , Activación Enzimática , Túbulos Renales/patología , Células LLC-PK1 , ARN Mensajero/metabolismo , Porcinos , Factores de Tiempo , Factor de Necrosis Tumoral alfa/antagonistas & inhibidores , Factor de Necrosis Tumoral alfa/biosíntesis , Factor de Necrosis Tumoral alfa/genética , Proteínas Quinasas p38 Activadas por Mitógenos
10.
J Urol ; 165(6 Pt 2): 2262-4, 2001 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-11371959

RESUMEN

PURPOSE: Maintenance of a sterile intraperitoneal environment is critical in patients with ventriculoperitoneal shunts. Recent series have reported a broad discrepancy in the rate of shunt infection (0% to 20%) following augmentation cystoplasty. The need for distal shunt revision has not been well defined. We report the incidence of shunt infection and revision at our institution after bladder augmentation. MATERIALS AND METHODS: We retrospectively reviewed the records of all patients with myelodysplasia and a ventriculoperitoneal shunt who underwent augmentation cystoplasty since August 1990. All patients included in the study had a minimum of 12 months of followup. RESULTS: A total of 55 patients with a ventriculoperitoneal shunt secondary to myelodysplasia required augmentation cystoplasty for management of a neuropathic bladder. Standard perioperative intravenous and oral antibiotic preparation, mechanical bowel preparation and intraoperative shunt isolation were used. Mean postoperative followup was 60.4 months (range 12 to 111). One patient presented with an extruded peritoneal shunt tip and positive cultures from cerebrospinal fluid and urine. Bladder perforation occurred in 2 patients and the shunt was empirically externalized. Revision was required for 5 (9%) distal shunt obstructions, including 1 cerebrospinal fluid pseudocyst. CONCLUSIONS: The incidence of shunt infection after augmentation cystoplasty is low (less than 2% in this large series), and presence of a ventriculoperitoneal shunt should not preclude bladder augmentation. Meticulous perioperative and intraoperative preparation contributes to the low rate of adverse events. Although the rate of distal revision after augmentation is significant, it does not exceed the reported distal failure rate for ventriculoperitoneal shunts in children without a history of urological surgery.


Asunto(s)
Procedimientos de Cirugía Plástica , Vejiga Urinaria/cirugía , Procedimientos Quirúrgicos Urológicos/efectos adversos , Derivación Ventriculoperitoneal/efectos adversos , Niño , Preescolar , Humanos , Lactante , Meningomielocele/cirugía , Reoperación , Estudios Retrospectivos , Vejiga Urinaria Neurogénica/cirugía
11.
J Urol ; 164(3 Pt 2): 1044-7, 2000 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-10958737

RESUMEN

PURPOSE: Achieving continence and preserving renal function are goals in the care of patients with bladder exstrophy. The Young-Dees-Leadbetter bladder neck reconstruction should ideally provide continence and normal voiding dynamics without the need for intermittent catheterization. We review our experience with bladder neck reconstruction in this population with emphasis on voiding dynamics among those patients doing well. MATERIALS AND METHODS: We retrospectively analyzed all patients with the exstrophy-epispadias complex seen at our institutions since 1985. We reviewed staged reconstruction in 53 patients, including 31 with classic bladder exstrophy, 4 with exstrophy variants and 18 with incontinent epispadias. Patients with additional neurogenic dysfunction were excluded from study. Subjective and objective data regarding voiding function and complications were collected. RESULTS: Complete reconstruction for continence was performed in 38 cases, of which 11 that required bladder augmentation with bladder neck reconstruction or who had a different primary continence procedure were excluded from study. The remaining 27 patients treated with the Young-Dees-Leadbetter bladder neck reconstruction had 2 or more years of followup (mean 5.9). Dry intervals of at least 2 hours were achieved by 18 patients and all were considered by parents to void well. Despite near or total subjective continence and "good" voiding, 13 of these 18 patients (72%) have clinical problems related to emptying, which include recurrent urinary tract infections in 10, epididymitis in 2 and bladder calculi in 4. Objective urodynamic parameters confirm poor voiding in most patients. CONCLUSIONS: Bladder neck reconstruction in patients with exstrophy can achieve continence without intermittent catheterization. In our experience patients who achieve these goals have an alarming frequency of clinical and urodynamic problems related to emptying. One must question the normalcy of the voiding pattern and price to achieve continence among patients with exstrophy.


Asunto(s)
Extrofia de la Vejiga/cirugía , Vejiga Urinaria/cirugía , Micción , Femenino , Humanos , Masculino , Periodo Posoperatorio , Procedimientos de Cirugía Plástica , Resultado del Tratamiento , Urodinámica
12.
J Urol ; 163(5): 1536-8; discussion 1538-9, 2000 May.
Artículo en Inglés | MEDLINE | ID: mdl-10751884

RESUMEN

PURPOSE: Rather than resecting the distal spongiosum lateral to the open urethra for hypospadias, we mobilized this tissue with the urethral plate away from the corpora cavernosa, subsequently wrapping it around various types of urethroplasty to prevent fistula formation. MATERIALS AND METHODS: The distal spongiosum was preserved and used for coverage in 25 hypospadias repairs in 1 year. We initially applied it in this manner when the distal spongiosum persisted as a pillar of healthy erectile tissue but later when the distal tissue appeared more fibrous in nature. The wrap was used to cover various types of urethroplasty, including advancement in 6 cases, tubularization in 10, flip-flap repair in 6 and an island onlay pedicle graft in 3. RESULTS: All patients have at least 1 year of followup. There has been no fistula formation or residual chordee. In 1 patient minor meatal retraction did not require a secondary procedure. Cosmetic results have been good. CONCLUSIONS: A distal wrap of corpus spongiosum may be used to avoid fistula formation without causing residual or recurrent curvature. It re-creates a nearly normal urethra in some cases.


Asunto(s)
Hipospadias/cirugía , Adolescente , Adulto , Niño , Preescolar , Estudios de Seguimiento , Humanos , Lactante , Masculino , Procedimientos Quirúrgicos Urológicos Masculinos/métodos
13.
J Urol ; 162(4): 1442-4, 1999 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-10492234

RESUMEN

PURPOSE: Urethral reconstruction of complex hypospadias or epispadias continues to present a significant challenge. Buccal mucosa as an onlay or tube graft is an excellent option when faced with paucity of penile skin. We identified the factors that lead to success or failure in these repairs. MATERIALS AND METHODS: During 6 years we placed 34 buccal mucosal grafts in 31 patients to repair complex hypospadias and epispadias. Penile skin was preferentially used for urethroplasty but a free buccal mucosal graft was used for reconstruction due to lack of adequate penile skin. The cases were complicated with an average of 5 previous unsuccessful repairs each in 16. Grafts ranged from 1.5 to 10 cm. and 10 patients required pieced grafts. We created 1 combination, 16 onlay and 17 full tube grafts. Buccal mucosa was used with a Thiersch-Duplay urethroplasty in 8 patients. RESULTS: Anastomotic stricture in 5 patients was proximal in 4. Fistula was a complication in 13 grafts that generally developed on the distal shaft, particularly at the coronal cuff. Of the 7 patients who underwent proximal Thiersch-Duplay urethroplasty with a distal buccal graft 6 had a coronal fistula. Fistula was more common with tube and pieced than with onlay grafts. CONCLUSIONS: Fistula is overwhelmingly the most common complication after buccal mucosal graft urethroplasty. Most fistulas develop at the coronal cuff, and we suspect that skin coverage and potential blood supply have not been good in that region. Anticipation of this problem during stage 1 of hypospadias repair would allow more advantageous distribution of the existing penile skin. Good distal skin coverage cannot be compromised in these complex cases.


Asunto(s)
Epispadias/cirugía , Hipospadias/cirugía , Mucosa Bucal/trasplante , Uretra/cirugía , Adulto , Niño , Preescolar , Humanos , Masculino , Complicaciones Posoperatorias/epidemiología , Fístula Urinaria/epidemiología
14.
J Urol ; 162(3 Pt 2): 1218-20, 1999 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-10458470

RESUMEN

PURPOSE: Prenatal ultrasound has allowed early identification of urinary tract abnormalities that may require urological followup or early intervention. While all children with prenatal hydronephrosis should undergo ultrasound within the first few weeks of life, we believe that there is a subset of postnatal hydronephrosis for which voiding cystourethrography can be avoided if careful observation is continued. MATERIALS AND METHODS: For 5 years 175 infants with a history of prenatal hydronephrosis were evaluated by ultrasound. Of 60 infants with less than Society for Fetal Urology grade II unilateral or bilateral hydronephrosis 44 underwent voiding cystourethrography as part of the early evaluation and 16 were observed without voiding cystourethrography. Four infants for whom we would routinely obtain voiding cystourethrography were excluded from study due to severe prenatal hydronephrosis, renal duplication, hydroureter, ipsilateral small or echogenic kidney and grade II or higher hydronephrosis. RESULTS: Voiding cystourethrography was positive in 6 of the 40 infants (15%) with less than grade II hydronephrosis. Of these cases 3 had grade III or higher vesicoureteral reflux and 1 with high grade reflux required reimplantation. None of the 16 patients followed without voiding cystourethrography has required further evaluation or intervention. In all patients with negative or no voiding cystourethrography parenchyma was preserved and hydronephrosis stabilized or resolved. CONCLUSIONS: Prenatal and postnatal ultrasound in infants should be used to guide further urological evaluation. Among infants with less than grade II hydronephrosis postnatally 15% had reflux on voiding cystourethrography, which is significantly higher than that reported among normal children (approximately 1%). However, none of the 16 infants observed without voiding cystourethrography on short-term antibiotic prophylaxis had deleterious renal events with 6 months to 4.5 years of followup. Therefore, we question the actual significance of the reflux detected in the first cohort of infants. Voiding cystourethrography can provide a definitive answer. However, we also believe that it is not absolutely mandatory based on the outcome in the observed group. With careful counseling and followup most patients with less than grade II hydronephrosis can be observed without urological sequela.


Asunto(s)
Hidronefrosis/diagnóstico por imagen , Ultrasonografía Prenatal , Uretra/diagnóstico por imagen , Vejiga Urinaria/diagnóstico por imagen , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Embarazo , Radiografía , Estudios Retrospectivos , Micción
15.
Urology ; 51(3): 480-3, 1998 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-9510357

RESUMEN

OBJECTIVES: Between May 1, 1992 and August 1, 1996, 759 consecutive children younger than 10 years of age were evaluated and treated for known inguinal hernia. These children were participating in a prospective investigation of the potential role of diagnostic laparoscopy in the evaluation of the contralateral inguinal anatomy. The initial two series of data (parts I and II of this three-part series) were previously presented at the 1993 and 1995 American Academy of Pediatrics meetings. METHODS: Of 759 patients, 100 children were diagnosed with bilateral inguinal hernias and therefore did not undergo laparoscopy. Thirty-two patients did not undergo laparoscopic evaluation due to technical difficulties or complicated clinical situations. The patient's contralateral inguinal region was carefully examined under anesthesia, and predictions were made regarding the likelihood of contralateral patent processus vaginalis (CPPV). Six hundred twenty-seven children underwent diagnostic laparoscopy to confirm the presence or absence of CPPV. Laparoscopy was initially exclusively performed through the umbilicus prior to repair of the known hernia, but over the last 26 months, 250 children successfully underwent laparoscopy through the ipsilateral hernia sac. RESULTS: Of patients younger than 1 year of age, 114 were diagnosed with both a known unilateral hernia and CPPV, whereas 132 had a unilateral hernia only (46% versus 54%). Among children older than 1 year of age, 148 (39%) were diagnosed with unilateral hernia and CPPV, and 233 (61%) were diagnosed with a unilateral hernia alone. After examination under anesthesia, 233 of the 627 patients were suspected of having a CPPV, and 107 were confirmed at laparoscopy (46%). The remaining 394 patients were not believed to have a CPPV. Normal inguinal anatomy was confirmed in 234 patients (59%), but 160 patients were found at laparoscopy to have a CPPV (41%). CONCLUSIONS: A contralateral patent processus vaginalis may be present in a surprising number of young patients being evaluated for a known inguinal hernia. Laparoscopy can be performed without a separate incision when the ipsilateral hernia sac is of sufficient width to allow passage of the scope. Laparoscopy is the best method for evaluating the contralateral inguinal region, particularly in younger children, as it prevents unnecessary inguinal exploration and it decreases the risk that the child will later present with a clinical contralateral hernia.


Asunto(s)
Hernia Inguinal/diagnóstico , Laparoscopía , Niño , Preescolar , Humanos , Lactante , Estudios Prospectivos
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