Evidence map›Paper›PMID 42077454›Full record

SynthesisFrontiers in endocrinology2026

New sights of spleen-preserving versus splenectomy in distal pancreatectomy for pancreatic neuroendocrine tumors: a systematic review and meta-analysis.

Haonan Liu, Kongyuan Wei, Ruiqi Cao, Shiwei Yang, Fangzhou Wang, Shengzhan Zhang, Jiaoxing Wu, Zhengyuan Feng, Cancan Zhou, Shuai Wu and 4 more

Abstract readSystematic ReviewMeta-AnalysisComparative Study
In one paragraph

Synthesis in Frontiers in endocrinology, 2026. 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

14 authors.

Haonan Liu *Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Kongyuan Wei *Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Ruiqi CaoDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Shiwei YangDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Fangzhou WangDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Shengzhan ZhangDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Jiaoxing WuDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Zhengyuan FengDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Cancan ZhouDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Shuai WuDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Liang HanDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Zheng WangDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Qingyong MaDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Zheng WuDepartment of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: For resectable pancreatic neuroendocrine tumors (pNETs) located in the body or tail of pancreas that require surgery, distal pancreatectomy with splenectomy (DPS) is standard. While splenic-preserving distal pancreatectomy (SPDP) may reduce complications and provide additional benefits, its feasibility in pNETs remains uncertain. This study compares the perioperative outcomes of SPDP versus DPS for pNET patients. Methods: A comprehensive literature search was conducted in PubMed, Embase, and Web of Science included studies published before June 1, 2025. The analysis focused on primary endpoints of intraoperative blood loss (ml) and lymph nodes harvested, as well as secondary endpoints including operative time (min), transfusion, R0 resection, postoperative major complications (PMCs), postoperative pancreatic fistula (POPF), postoperative hemorrhage (PPH), hospital stay (day), lymph node metastasis (LNM), and reintervention. The pooled analysis is presented as odds ratios (OR) or mean differences (MD) with 95% confidence interval (CI). The protocol is registered on PROSPERO (CRD420251079167). Results: 4 retrospective studies involving 457 patients (226 with SPDP and 231 with DPS) were analyzed. 401 patients have well-differentiated G1/G2 tumors, and the majority of SPDP patients have small tumors. Compared to DPS, SPDP had less intraoperative blood loss (SMD, -0.50, 95% CI [-0.90 to -0.11], P = 0.01), fewer lymph nodes examined (MD, -3.30, 95% CI [-5.35 to -1.24], P = 0.002), shorter operative time (MD, -31.78 min, 95% CI [-57.98 to -5.58], P = 0.02), fewer PMCs (OR, 0.57, 95% CI [0.34 to 0.95], P = 0.03) and lower transfusion rates (OR, 0.25, 95% CI [0.07 to 0.83], P = 0.02). In terms of length of hospital stay, SPDP demonstrated more favorable outcomes (MD, -1.13 days, 95% CI [-2.02 to -0.24], P = 0.01). No significant differences were observed regarding R0 resection (OR, 1.40, 95% CI [0.43 to 4.58], P = 0.58), LNM (OR, 0.95, 95% CI [0.49 to 1.85], P = 0.88), or other perioperative outcomes. Conclusion: This study proposes that SPDP may represent a feasible option for selected patients with small, well-differentiated G1/G2 pNETs, suggesting a potential role in reducing surgical risks. These findings should be interpreted as hypothesis-generating, highlighting the need for further investigation. Systematic review registration: https://www.crd.york.ac.uk/PROSPERO/recorddashboard, identifier CRD420251079167.

Indexed as

Neuroendocrine TumorsOrgan Sparing TreatmentsPancreatectomyPancreatic NeoplasmsSplenectomyHumansPostoperative ComplicationsSpleenTreatment Outcomedistal pancreatectomymeta-analysispancreatic neuroendocrine tumorsperioperative outcomesspleen-preservation

Identifiers

PMID42077454
PMCPMC13129563

What OpenQuestion holds

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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.