Nonstented tubularized incised plate urethroplasty with Y-to-I spongioplasty in non–toilet trained children
Bibliographic record
Abstract
INTRODUCTION: This study was designed to evaluate the supportive role of spongioplasty during tubularized incised plate (TIP) urethroplasty repair of hypospadias. METHODS: All non-toilet trained children who underwent TIP repair for primary hypospadias by 1 surgeon over a 30-month period were included in our study. The divergent spongiosa was mobilized off the corpora cavernosa and was rotated toward the midline to wrap the neourethra. A dartos flap was used to cover the neourethra. The neourethra was calibrated immediately after surgery in all patients. A urethral stent was left in place only when difficult calibration was encountered. Complications and cosmetic appearance were documented at last follow-up. RESULTS: Thirty-two consecutive patients with a mean age of 18 (standard deviation [SD] 6) months were included in the study. The defects were distal and mid-shaft in 26 patients (81.3%) and proximal-shaft in 6 (18.8%). No intraoperative catheterization difficulties were encountered and all repairs were nonstented. Antibiotics and anticholinergics were not required. Mean follow-up was 9 (SD 6) months. Urinary extravasation developed in 1 patient (3.1%) on the second postoperative day. A urethral catheter was easily inserted and left indwelling for 5 days. One patient presented 6 days postoperatively with suspected voiding difficulty. Urethral calibration was easily performed excluding any mechanical obstruction. There were no urinary fistulae and reoperation was not required. An excellent cosmetic appearance was achieved in all patients. CONCLUSION: TIP urethroplasty is a versatile operation that can be performed in almost all cases of penile hypospadias. A nonstented technique for hypospadias repair simplifies postoperative care and obviates the need for antibiotics and anticholinergics. We believe that spongioplasty provides good support to the neourethra and the hypoplastic distal urethra that may facilitate catheterization in the immediate and early postoperative periods, if required. Future controlled study is warranted to further evaluate the role of spongioplasty.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".