Bladder triplication associated with exstrophy variant

A one-day old full-term female neonate presented with a duplicate bladder and exstrophy variant including a patch of exstrophic or ectopic mucosa, duplicate vagina, uterus, and two complete bladders. We report on the surgical management performed in this case and functional urinary results based on a synchronous urodynamic study of the duplicate bladders. To our knowledge, the occurrence of duplicate bladder exstrophy variant with complete urinary continence has not been previously reported.

Burnout among caregivers in the era of the COVID-19 pandemic: Insights and challenges

The arrival of COVID-19 modified the way we live, care, teach, and self-care tremendously. Indeed, our personal and professional lives were much affected, and despite the fact that Canadian healthcare workers (HCW) and systems had some time to prepare in comparison to other countries, we faced a scenario that resembled no other. Adding the negative effects of a never-before-seen pandemic to the already well-known risk of burnout among HCW could surely increase the likelihood of colleagues, as well as ourselves, being affected. We hereby reviewed the numerous factors that could increase the risk of burnout amid this ongoing pandemic.

Burnout in Canadian urology: Cohort analysis from the 2018 Canadian Urological Association census

INTRODUCTION

Physician burnout is associated with medical error, patient dissatisfaction, and poorer physician health. Urologists have reported high levels of burnout and poor work-life integration compared with other physicians. Burnout rates among Canadian urologists has not been previously investigated. We aimed to establish the prevalence of Canadian urologist burnout and associated factors.

METHODS

In the 2018 Canadian Urological Association census, the Maslach Burnout Inventory questions were assigned to all respondents. Responses from 105 practicing urologists were weighted by region and age group to represent 609 urologists in Canada. Burnout was defined as scoring high on the scales of emotional exhaustion or depersonalization. Demographic and practice variables were assessed to establish factors associated with burnout. Comparisons were made to the results of the 2016 American Urological Association census.

RESULTS

Overall, 31.8% of respondents met the criteria for burnout. There was no effect of subspecialty practice or practice setting on burnout. On univariate analysis, rates of burnout were highest among urologists under financial strain (50.8%), female urologists (45.3%), and early-to-mid-career urologists (37.7-41.8%). Factors associated with demanding practices and poor work-life integration were predictive of burnout. A total of 12.2% of urologists reported seeking burnout resources and 54.0% wished there were better resources available.

CONCLUSIONS

Urologist burnout in Canada is lower than reported in other countries, but contributing factors are similar. Urologists who report demanding clinical practices (particularly in early-to-mid career), poor work-life integration, financial strain, and female gender may benefit from directed intervention for prevention and management of burnout. Burnout resources for Canadian urologists require further development.

Survey of Canadian urology programs: Which aspects of the Canadian Residency Matching Service (CaRMS) application are the most important?

INTRODUCTION

For medical students, determining which aspects of the Canadian Residency Matching Service (CaRMS) application are the most important when applying to residency programs can be challenging. Due to the lack of current and reliable information on the selection criteria of Canadian urology residency programs, we surveyed each program about which criteria are the most important when selecting future residents in order to provide medical students with more transparency and programs with a better idea of how their criteria compare to those of others.

METHODS

An electronic survey was sent to all 13 Canadian urology residency programs (both program directors and selection committee members). It asked respondents to rate each aspect of the application on a five-point Likert scale. Following a 100% response rate from program directors, the same survey was sent to selection committee members. A numeric mean score was calculated for each individual aspect surveyed to create an overall rank list of the components. Independent samples t-tests (two groups) were used to compare the scores of program directors vs. program committee members and of francophone programs vs. anglophone programs.

RESULTS

Forty-three urologists involved in the application process answered. The three most important aspects were rotation performance at the respondent's institution (4.95±0.21), quality of reference letters from a urologist (4.60±0.62), and interview performance (4.49±0.63). There were no statistically significant differences between program directors and committee members for mean score of any aspect surveyed. Compared to anglophone programs, francophone programs gave statistically more significant importance to French proficiency (p<0.001) and pre-clinical academic performance (p=0.0272), while giving less importance to English proficiency (p<0.001).

CONCLUSIONS

Canadian urology residency programs are similar in that they rank "clinical performance during a rotation at their school" as the most important selection criteria when choosing a future urology trainee. Graduate degrees, career plans, and reference letters from non-urologists have less impact when choosing future urology residents. Francophone schools and anglophone schools differ in the importance of language proficiency and preclinical grades as selection criteria for urology residency. This study will provide future urology applicants with more information and transparency when applying to urology programs in Canada and be of use to urology residency programs that must now publish their selection criteria.

Urologist burnout: Frequency, causes, and potential solutions to an unspoken entity

Physician burnout has been linked to decreased job performance, increased medical errors, interpersonal conflicts, and depression. Recent multispecialty studies suggest that urologists have higher rates (up to 63.6%) of burnout compared to physicians in other specialties; however, these reports were limited by low sample sizes.1 We aimed to evaluate the prevalence of urologist burnout, verify risk factors, and recommend preventative measures and solutions for colleagues at risk or suffering from burnout. Urologist burnout is a true entity that transcends level of training and nationality. Its roots appear to be deep-seated in our tireless efforts to strive for excellence in care for our patients, our growing academic and research pursuits, and surmounting administrative responsibilities; these virtues, which are regarded as the foundations of our career successes, are often obtained at the expense of personal health and wellbeing, as well as family sacrifice. Various other medical societies have become increasingly vocal about the issue of physician burnout and have actively initiated successful strategies to minimize its impact on their members. As an organization with a strong national presence, the Canadian Urological Association (CUA) should promote tools to prevent and interventions to assist those at risk for and suffering from burnout. Increased awareness in the general medical community has led to strategies and tools that can help prevent, identify, or assist physicians in their recovery from burnout. The CUA should develop and facilitate access to information and offer comprehensive support for urologists struggling with burnout.

Ossifying Renal Tumor of Infancy: Report of a Case With Positive WT1 Immunohistochemistry and High Mitotic Index and Review of the Literature

Ossifying renal tumor of infancy (ORTI) is a rare, benign pediatric tumor of the kidney. Since first reported by Chatten in 1980, 23 cases have been published. Previous authors have argued that ORTI might originate from nephrogenic rests, thereby sharing a pathogenic relationship with Wilms' tumor (WT). ORTI is characterized histologically by a population of polygonal osteoblast-like cells around an osteoid core and densely cellular component of blastemal-like or spindle cells. While the immunohistochemical profile of the cellular components has been reported, to the best of our knowledge, the status of WT1 expression has only been reported once, where it showed negative marking. Mitoses have been described only sporadically in this neoplasm. We report on a case of ORTI with positive WT1 immunohistochemical marking and numerous mitoses. This case highlights a possible pitfall for misdiagnosing ORTI as a WT and provides additional insight into its pathogenesis.

Long-term functional outcomes after penoscrotal hypospadias repair: A retrospective comparative study of proximal TIP, Onlay, and Duckett

INTRODUCTION

A variety of techniques are available for proximal hypospadias repair. Onlay, proximal tubularized incised plate (TIP), and Duckett are among the popular choices because they can be performed as a one-step procedure. However, the decision to select a procedure often comes down to the surgeon's preference rather than that supported by evidence-based data. In particular, there is a paucity of literature on the long-term urinary outcomes after proximal hypospadias repair.

OBJECTIVE

The aim of this study was to evaluate the evolution of long-term uroflowmetry parameters after proximal hypospadias surgery over a long-term follow-up including the adolescent period.

STUDY DESIGN

Files from patients who underwent primary proximal hypospadias repair at our institution between 1997 and 2001 were reviewed. Only patients with documented serial postoperative uroflowmetry profiles at follow-up visits were included. Comparison between surgeries (pTIP vs. Onlay vs. Duckett) was performed according to the following postoperative time interval endpoints: 0-1 years, 1-2, >2-4, >4-6, >6-10, >10-12, and >12 years. Maximal urinary flow rate (Qmax) in relation to voiding volume (VV) adjusted for age or body surface area (BSA) were also evaluated in comparison to normal children using established Miskolc nomograms and compared between surgery techniques.

RESULTS

Fifty-two patients met the inclusion criteria with a median follow-up of 10 years: 25 (59.6%) TIP, 18 (34/6%) Onlay, and nine (17.3%) Duckett. Overall, Qmax increased progressively according to time and age in particular during the period covering adolescence. At follow-up 12 years postoperatively, median Qmax values were 18.5 mL/second, 13.8 mL/second and 16.6 mL/second for TIP, Onlay, and Duckett, respectively, with no significant differenced detected between groups (p = 0.5) see figure). Compared with normal children when adjusted for voiding volume and BSA, the proportion of obstructive uroflowmetry patterns defined as Qmax<25th percentile of nomograms was more prevalent in patients aged 3-7 years old at 83.8% but decreased to less than 21.2% in patients aged >13 years for all procedures (see figure).

DISCUSSION

These results are consistent with previous work showing frequently reduced Qmax after hypospadias surgery with great potential for improvement at puberty.

CONCLUSION

These results suggest that the obstructive urinary flow pattern observed in patients early on is a frequent finding after proximal hypospadias surgery. However, because of the remarkable improvement observed at puberty a watchful waiting approach is proposed in order to avoid unnecessary intervention.

Rebuttal

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Learning from history or the rationale for considering surgical correction of vesicoureteral reflux

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Laparoscopic orchidopexy: the easy way to go

BACKGROUND/PURPOSE

Intraabdominal testes represent less than 10% of cryptorchid testicles, and yet, they are the most challenging to correct. In the last 15 years, the two-stage Fowler-Stephens orchidopexy has gained popularity. The traditional approach includes laparoscopic or open clipping of the testicular vessels (first stage) and open inguinal orchidopexy (second stage). We present our experience with 2-stage orchidopexy with both stages done through a laparoscopic approach.

MATERIALS AND METHODS

Over a recent 5-year period, we reviewed patients operated for intraabdominal testis using a two-stage laparoscopic orchidopexy with a minimum of 1-year follow-up. In this study, success is defined as a nonatrophic, intrascrotal testis. Fifteen patients met the inclusion criteria, and none were lost to follow-up.

RESULTS

In the 15 patients, 11 had a unilateral intraabdominal testis, and 4 had bilateral cryptorchidism, with one of the 2 testes intraabdominal. The first stage was done at a mean age of 32 months, and the average time between the two stages was 9.7 months. All procedures (31) were done on an outpatient basis. Only 2 complications occurred, one scrotal hematoma and one redo first stage because of unsuccessful clipping noted at the time of planned second stage. The success rate is 93.3% (14/15). All testicles are intrascrotal, and all but 1 have maintained preoperative volume.

CONCLUSION

Two-stage laparoscopic orchidopexy is a fairly easy surgical procedure with minimum morbidity and high short term success rate. A larger cohort of patients with long-term follow-up is needed to substantiate these findings.

Transperitoneal Laparoscopic Pyeloplasty for Primary Repair of Ureteropelvic Junction Obstruction in Infants and Children: Comparison With Open Surgery

PURPOSE

Pediatric laparoscopic pyeloplasty to treat ureteropelvic junction obstruction has been reported to decrease hospitalization stay and the analgesic requirement compared to open pyeloplasty. It is not clear if all age groups benefit from this procedure. We compared primary laparoscopic and open pyeloplasty in infants and children.

MATERIALS AND METHODS

We retrospectively reviewed the records of consecutive primary pyeloplasties at a single institution during a 4.5-year period. Demographic data, body measurements, presentation, indications for surgery, operation type, surgical time, complications, analgesia requirement, hospital stay and outcome were recorded.

RESULTS

Patients were divided in the open pyeloplasty group of 41 and the laparoscopic pyeloplasty group of 37. The groups were similar with regard to sex and laterality. There were more patients 14 months or younger in the open pyeloplasty group. Mean surgical time was longer in laparoscopic pyeloplasty but it decreased significantly after the first 15 cases (each p <0.001). Hospitalization and postoperative analgesia requirements were similar in the 2 groups. There was a higher success rate for laparoscopic pyeloplasty in patients older than 14 months (p <0.05). In the open pyeloplasty group there were more re-interventions as well as a trend toward more complications and readmissions.

CONCLUSIONS

Transperitoneal laparoscopic pyeloplasty was performed safely in all pediatric age groups with minimal morbidity and excellent short-term results. In our experience laparoscopic pyeloplasty in infants and children is more difficult and time-consuming surgery than open pyeloplasty. However, it may provide a better outcome with fewer complications and better cosmesis. Prospective studies are needed to confirm these results.

Comparison of Laparoscopic and Open Partial Nephrectomy for Duplication Anomalies in Children

PURPOSE

We compared the outcome of laparoscopic vs open PN for duplication anomalies at our institution.

MATERIALS AND METHODS

We retrospectively reviewed the records of all patients undergoing PN within the last 4 years.

RESULTS

A total of 34 patients (16 females) were divided into 2 groups. Group 1 consisted of 20 patients undergoing open PN between 2000 and 2003, and group 2 consisted of 14 patients undergoing laparoscopic PN between 2003 and 2004. Mean patient age was 21 months in group 1 and 18 months in group 2. Diagnosis was ectopic ureter in 18 patients, ureterocele in 11, VUR in 4 and ureteropelvic junction obstruction in 1. Cystoscopy was performed as part of the procedure in 30% of the patients in group 1 and 100% of those in group 2. Simultaneous lower tract procedures were performed in 3 patients in group 1 and 2 patients in group 2. Mean duration of PN was 115 minutes for group 1 and 180 minutes for group 2. There was no significant bleeding or need for transfusion except in 1 patient in the open group. Median hospitalization was 3 days for group 1 and 2 days for group 2. Mean analgesic requirement was 2.3 doses of opioids and 2 doses of ketorolac for group 1, and 3.2 doses of opioids for group 2. Acetaminophen only was used in 3 of 20 patients in group 1 and 5 of 14 in group 2. There were 2 complications in each group, namely 1 case of ureteral bleeding and 1 lower pole ureteral injury in group 1, and 1 omental hernia and 1 urinoma in group 2.

CONCLUSIONS

Laparoscopic PN is feasible even in small infants, and the results are comparable to the open procedure. Length of hospitalization was shorter in the laparoscopic group. In our series the learning curve for this technique was rapid, and after a few cases the procedure could be done in the same time as open surgery, with the advantages offered by laparoscopy.

Simplified technique to create a concealed catheterizable stoma: the VR flap

PURPOSE

We describe a surgical modification of VQZ plasty, the VR flap. In addition to avoiding skin surface mucosal prolapse and preventing stenosis, this procedure is easier to describe and perform.

MATERIALS AND METHODS

A total of 12 patients (4 males and 8 females) 6 to 14 years old (mean age 11.6) underwent simultaneous creation of a continent catheterizable channel using the Mitrofanoff principle and MACE procedure. VQZ plasty was modified by using a quadrilateral flap positioned at a 90-degree angle from the V flap instead of immediately next to it. The quadrilateral flap is used to create a skin channel allowing the use of a shorter conduit and avoiding exposed mucosa. The modification creates a linear closure.

RESULTS

A total of 24 CCCs (Mitrofanoff 12, MACE 12) were done simultaneously in 12 patients. Of the channels 12 were implanted in the umbilicus (CCC 6, MACE 6) and 12 in a stoma created by the VR flap. There were no significant complications. One patient required surgical revision and 1 required stomal dilation for stomal stenosis. All patients were continent through all channels. Mean followup was 18 months.

CONCLUSIONS

This modification offers good cosmetic and functional results, and the outcome compares favorably with other series. The procedure is easy to understand and perform, and its application is not limited by the thickness of the abdominal wall. Moreover, it allows for an easier closure and limits the Z-shaped appearance of the closure.

Effectiveness of implanting catheterizable channels into intestinal segments

OBJECTIVE

To assess the effectiveness of implanting continent catheterizable channels (CCCs) into bowel segments used for bladder augmentation or substitution.

METHODS

The records of patients operated on between 2000 and 2003 were reviewed. CCCs were created using the appendix or a transverse tubularized bowel, and were implanted either in the intestinal segment of an augmentation or into an intestinal continent reservoir. Implantation into the intestinal segment was preferred over the native bladder, when it allowed the stoma to be placed at the umbilicus, creating the shortest possible channel. Ease of catheterization and continence through the stoma were evaluated by clinic interviews or record review.

RESULTS

Thirty-two patients (16 males) were 11.6 years old (mean) at the time of operation. Mean follow-up was 26 months. The CCCs were implanted in colon (24), ileum (six) and into a seromuscular colocystoplasty (two). At the last follow up all patients had satisfactory continence through the catheterizable stoma, but the continence rate after the initial procedure was 87.5% (28/32). Three patients required revision because of a short tunnel and became continent. One patient experiences occasional incontinent episodes when the bladder is full, but has not been re-operated on. Three patients experienced difficulties with catheterization attributed to a skin-level stenosis and have been revised. The overall revision rate was 18%.

CONCLUSION

CCCs constructed with either appendix or transverse tubularized bowel implanted into intestinal segments had a success rate comparable to that reported by others when implanted in the native bladder. The umbilical location of the stoma had significant cosmetic advantages and no apparent disadvantages.

Surgical treatment of neuropathic urinary incontinence in 2005. When, what, and how?

We present our current opinions on the surgical treatment of urinary incontinence in children with spina bifida. The age of treatment, preferred treatment modalities and results are discussed. We emphasize the importance of initiating treatment for incontinence at an early age as well as the use of effective surgical techniques.

A functional immature model of chronic partial ureteral obstruction

BACKGROUND

The most common nonlethal congenital anomaly of the urinary tract is ureteral obstruction without dysplasia. Although rarely progressive, the morbidity associated with metabolic and surgical management is considerable. Our study was designed to measure local and systemic pathophysiologic mechanisms in an immature model of chronic partial unilateral ureteral obstruction (UUO) after completion of glomerulogenesis.

METHODS

A partial UUO was created by the method of "psoas wrap" in young male weanling rats. Control animals were sham operated. Three groups were divided as follows: sham (N= 15), UUO (N= 18), and UUO + angiotensin-converting enzyme (ACE) (N= 16) inhibitor, enalapril. Renal glomerular and tubular functions were determined by creatinine and uric acid clearances. Diuresis was assessed by urine volume, osmolality, and fractional solute excretions from samples above and below the obstruction. Proteinuria was determined by the urine protein/creatinine ratio (Up/c).

RESULTS

Proteinuria was attenuated in UUO + ACE-treated animals. The hyperuricemia of the immature UUO animals was avoided by an increase in the clearance of uric acid in the UUO + ACE-treated group. Fractional solute excretions suggested a diversion of diuresis to the contralateral unobstructed kidney.

CONCLUSION

Angiotensin blockade during chronic UUO in young rats affords protection by attenuating proteinuria, promoting uricosuria, and diverting solute diuresis. These data suggest a complex interaction of local and systemic mechanisms unique to the maturing kidney.

RENAL TRANSPLANTATION IN CHILDREN WITH RECONSTRUCTED BLADDERS

In this article, we review the outcome and complications of renal transplantation in patients with reconstructed bladders and address specific issues and controversies regarding the management of such cases. Twenty-five articles covering the subjects of renal transplantation, lower urinary tract anomalies, and bladder reconstruction have been selected. Although urologic complications are higher when kidneys are transplanted into reconstructed bladders or urinary diversions, the graft and patient survival rates in most series are comparable with those transplanted into nonreconstructed bladders. The reported series of renal transplantation into abnormal bladders are small, and controlled studies are lacking. Bladder reconstruction should be performed before transplantation when clinically indicated.

Experience with the Bailez technique for laparoscopic access in children

PURPOSE

We describe a variation of the Hasson technique for laparoscopic access.

MATERIALS AND METHODS

All laparoscopic procedures performed in children and completed between September 1999 and May 2002 at 2 institutions were reviewed retrospectively. All access to the peritoneal cavity was accomplished in the same manner using the following approach-a small semicircumferential incision was made in the inferior part of the umbilicus, and the umbilical skin was dissected to expose the area of the umbilical scar where the peritoneum and the skin meet. At this point the peritoneum was opened under direct vision without an incision. A blunt trocar was then easily introduced into the peritoneal cavity without forceful manipulation. The rest of the procedure was accomplished as usual.

RESULTS

Seventy-seven laparoscopic procedures were completed in 77 patients (mean age 4.8 years, range 1 month to 17.75 years). Patient weight ranged from 8 to 66 kg. The procedures included diagnostic laparoscopy for undescended testis (52), varicocelectomy (11), nephrectomy (6), nephroureterectomy (1) and others (7). All attempts were successful. Mean followup was 15.9 months.

CONCLUSIONS

The most important advantage of this technique is that it offers easy and safe access to the peritoneal cavity even in obese individuals. In addition, this access is rapidly accomplished and offers good cosmetic results.

Treating neuropathic incontinence in children with seromuscular colocystoplasty and an artificial urinary sphincter

PURPOSE

To review the results of artificial urinary sphincter (AUS) implantation combined with seromuscular colocystoplasty (SCLU) in the treatment of mixed neurogenic urinary incontinence in children.

PATIENTS AND METHODS

Patients (27, six females) who had undergone SCLU were interviewed, and their charts and imaging studies reviewed retrospectively. Their urodynamic data were analysed and bladder capacity, end-filling pressure, safe capacity and percentage of expected capacity for age compared before and after surgery. Continence was defined as dryness between catheterizations or voiding with no need for protective pads.

RESULTS

The mean (sd) follow-up since the SCLU was 1.7 (1.1) years; continence was achieved in 24 of the 27 (89%) patients with no additional procedures. No significant upper tract changes developed. Bladder capacity, safe capacity for age and end-filling pressure were all improved significantly. There were two AUS erosions necessitating removal and in one patient the augmentation failed. Six patients early in the series developed an 'hourglass' deformity that required correction. Modifications to the technique to avoid this complication are discussed.

CONCLUSIONS

For children with neuropathic incontinence who require both augmentation of outlet resistance and bladder storage capacity, the combination of the AUS and SCLU effectively achieves continence with no upper tract deterioration. SCLU is also the preferred method of augmentation when adverse bladder changes occur after implanting the AUS.