Evidence map›Paper›PMID 41276690›Full record

SynthesisLangenbeck's archives of surgery2025

Transperitoneal versus retroperitoneal laparoscopic nephroureterectomy: a meta-analysis of technical approaches for upper tract urothelial carcinoma.

Dan Li, Zhuowei Ruan, Feng Lin, Gang Wang, Jiadong Xu, Tianbo Luo, Tianqi Chen

Abstract readMeta-AnalysisComparative StudySystematic Review
In one paragraph

Synthesis in Langenbeck's archives of surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. Review
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

7 authors.

Dan LiDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China.
Zhuowei RuanDepartment of Anus & Intestine Surgery, Shaoxing People's Hospital, Shaoxing, Zhejiang Province, 312000, China.
Feng LinDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China.
Gang WangDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China.
Jiadong XuDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China.
Tianbo LuoDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China.
Tianqi ChenDepartment of Urology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, 312000, China. ctqlunwen@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveIt was to compare perioperative outcomes between transperitoneal (TLNU) and retroperitoneal (RLNU) approaches for laparoscopic nephroureterectomy in UTUC.

methodsLiterature pertaining to "TLNU", "RLNU", and "upper-tract urothelial carcinoma (UTUC)" was systematically retrieved from databases, covering the period from January 2000 to July 2024. Quality and risk of bias were assessed utilizing Cochrane Handbook, and extracted basic information and outcome data. Meta-analysis (MA) was conducted utilizing Review Manager 5.3.

resultsThe study included a total of 11 articles. The analysis revealed no significant differences between the RLNU and TLNU groups in terms of surgical duration (mean difference (MD) = 2.83, 95% confidence interval (CI): -29.40 to 35.07, Z = 0.17, P = 0.86 > 0.05), time to bowel function recovery (MD = -0.28, 95% CI: -0.81 to 0.25, Z = 1.03, P = 0.30 > 0.05), length of hospital stay (MD = 0.70, 95% CI: -0.51 to 1.91, Z = 1.14, P = 0.26 > 0.05), incidence of complications (MD = 1.02, 95% CI: 0.43 to 2.41, Z = 0.05, P = 0.96 > 0.05), recurrence rate (MD = 1.25, 95% CI: 0.94 to 1.66, Z = 1.55, P = 0.12 > 0.05), and overall survival (OS) rate (MD = 1.07, 95% CI: 0.98 to 1.18, Z = 1.49, P = 0.14 > 0.05). However, a significant difference was observed in intraoperative blood loss (BL) between the RLNU and TLNU groups (MD = 6.78, 95% CI: 2.44 to 11.13, Z = 3.06, P = 0.002 < 0.05).

conclusionPerioperative outcomes between RLNU and TLNU show significant differences in operative time, bowel recovery, hospital stay, complications, recurrence, and OS. However, RLNU had significantly higher intraoperative blood loss (P < 0.05), though its clinical relevance remains uncertain. This analysis focused on perioperative metrics; long-term oncologic efficacy requires further investigation.

Indexed as

Carcinoma, Transitional CellKidney NeoplasmsLaparoscopyNephroureterectomyUreteral NeoplasmsUrologic NeoplasmsHumansLength of StayOperative TimePeritoneumRetroperitoneal SpaceTreatment OutcomeClinical efficacyMeta-analysisRetroperitoneal laparoscopic nephroureterectomyTransperitoneal laparoscopic nephroureterectomyUpper urinary tract urothelial carcinoma

Identifiers

PMID41276690
PMCPMC12647277

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

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.