Evidence map›Paper›PMID 34379172›Full record

ArticleWorld journal of surgery2021

Survival Benefit of Primary Tumor Resection Among Elderly Patients with Pancreatic Neuroendocrine Tumors.

Junya Toyoda, Kota Sahara, Diamantis I Tsilimigras, Kentaro Miyake, Yasuhiro Yabushita, Yuki Homma, Takafumi Kumamoto, Ryusei Matsuyama, Timothy M Pawlik

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Article in World journal of surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
1.4field-weighted citation impact, top 19% of its field
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

5 citing papers in PubMed, 10 citations in OpenAlex.

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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

9 authors at 2 institutions in 2 countries.

Junya Toyoda *Department of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Kota Sahara *Department of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Diamantis I TsilimigrasDepartment of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, 395 W. 12th Ave., Suite 670, Columbus, OH, USA.
Kentaro MiyakeDepartment of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Yasuhiro YabushitaDepartment of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Yuki HommaDepartment of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Takafumi KumamotoDepartment of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Ryusei MatsuyamaDepartment of Gastroenterological Surgery, Yokohama City University School of Medicine, Yokohama, Japan.
Timothy M PawlikDepartment of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, 395 W. 12th Ave., Suite 670, Columbus, OH, USA. Tim.Pawlik@osumc.edu.
Yokohama City University · JPThe Ohio State University Wexner Medical Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPancreatectomy is the main curative therapeutic option for pancreatic neuroendocrine tumors (pNETs). Given the indolent behavior of pNETs and the relatively limited lifetime of elderly patients, the impact of primary site surgery (PSS) of pNETs on long-term outcomes among older patients has been a topic of debate.

methodsPatients aged 70 or older with pNETs were identified in the Surveillance, Epidemiology and the End Results (SEER) database from 1998 to 2016. Propensity score matching was used to compare overall (OS) and cancer-specific survival (CSS) of patients who did versus did not undergo PSS.

resultsAmong 2,319 elderly patients with pNETs, 942 patients (40.6%) underwent PSS, while 1,377 (59.4%) did not undergo PSS (non-PSS: NPSS). After propensity score matching (n = 433 in each group), PSS group had improved survival compared with the NPSS group (5-year OS: 53.4% vs. 37.3%; 5-year CSS: 77.2% vs. 58.1%, both p < 0.001). In contrast, subgroup analysis of individuals aged ≥ 80 revealed no difference in 5-year CSS (PSS: 69.2% vs. NPSS: 67.4%, p = 0.27). A subgroup analysis among patients who had small (≤ 2 cm) non-functional (NF) pNETs noted comparable long-term outcomes among patients who underwent PSS versus NPSS patients (5-year OS: 73.1% vs. 66.5%, p = 0.19; 5-year CSS: 98.5% vs. 95.2%, p = 0.14).

conclusionsApproximately 2 in 5 elderly patients with pNETs underwent PSS. While PSS was generally associated with prolonged OS and CSS among older patients, PSS was not associated with improved CSS among a subset of patients aged 80 or older, as well as among patients age ≥ 70 years with NF-pNET less than 2 cm.

Indexed as

Neuroendocrine TumorsPancreatic NeoplasmsAgedAged, 80 and overHumansPancreatectomyPrognosisPropensity ScoreRetrospective Studies

Identifiers

PMID34379172
OpenAlexW3190560514

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.