Evidence map›Paper›PMID 42623599›Full record

ArticleInternational braz j urol : official journal of the Brazilian Society of Urology

Could the preoperative urethral curve be used to predict immediate urinary continence following Retzius-sparing robot-assisted radical prostatectomy? A retrospective multi-center study.

Bo-Han Lin, Yang Chen, Zhi-Bin Ke, Chen-Hao Wang, Ye-Hui Chen, Xiao-Li Yan, Jian-Zhou Liu, Jun-Jie Fan, Qi-Jun Xu, Shao-Bin Zhuang and 7 more

Abstract readValidation Study
PubMed Full text at PMC Publisher
In one paragraph

Article in International braz j urol : official journal of the Brazilian Society of Urology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors.

Bo-Han LinDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Yang ChenDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Zhi-Bin KeDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Chen-Hao WangDepartment of Urology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.
Ye-Hui ChenDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Xiao-Li YanDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Jian-Zhou LiuDepartment of Urology, Baoji Central Hospital, Baoji, China.
Jun-Jie FanDepartment of Urology, Baoji Central Hospital, Baoji, China.
Qi-Jun XuDepartment of Radiology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Shao-Bin ZhuangDepartment of Radiology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Zhong-Hua ZhuDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Shao-Hao ChenDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Qing-Shui ZhengDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Xue-Yi XueDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Jun-Long ZhuangDepartment of Urology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
Yong WeiDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
Ning XuDepartment of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeImmediate urinary continence (UC) recovery following Retzius-sparing robot-assisted radical prostatectomy (RS-RARP) remains highly variable, highlighting the need for reliable preoperative prediction. We aimed to develop and validate models to identify patients likely to achieve immediate UC recovery following RS-RARP. MATERIALS AND

methodsA total of 580 prostate cancer patients who underwent RS-RARP from four medical centers were assigned to a training set (n=348), an internal validation set (n=103) and an external validation set (n=129). Independent predictors were identified through univariate analysis and LASSO regression. A nomogram was constructed using multivariate logistic regression. Its performance was evaluated with receiver operating characteristic (ROC) curve, calibration curves, and decision curve analysis.

resultsImmediate UC recovery was observed in 84.5% (294/348) of patients in the training cohort, 80.6% (83/103) in the internal validation cohort, and 81.4% (105/129) in the external validation cohort, respectively. Multivariate analysis identified membranous urethral length (MUL) (OR=1.23, P=0.029) and urethral curvature (OR=2.84, P<0.001) as independent predictors, while prostate volume (PV) (OR=0.84, P <0.001) as a protective factor. The nomogram integrating MUL, PV, and urethral curvature demonstrated superior predictive accuracy, with an AUC of 0.87 (95% CI, 0.83-0.91) in the training cohort. The bootstrap-corrected calibration slope was 0.96, and the Brier score was 0.08. Calibration curves and decision curve analysis confirmed the predictive accuracy and clinical utility of the nomogram.

conclusionsOur study introduces a novel quantitative method for assessing urethral curvature. The mpMRI-based model, integrating urethral curvature and prostate spatial configuration, offers enhanced predictive accuracy for postoperative immediate UC recovery.

Indexed as

ProstatectomyProstatic NeoplasmsRobotic Surgical ProceduresUrethraUrinary IncontinenceAgedHumansMaleMiddle AgedNomogramsPredictive Value of TestsPreoperative PeriodRecovery of FunctionReference ValuesReproducibility of ResultsRetrospective StudiesProstatectomyProstatic NeoplasmsUrinary Incontinence

Identifiers

PMID42623599
PMCPMC13682737

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.