Evidence map›Paper›PMID 29564776›Full record

ArticleGeneral thoracic and cardiovascular surgery2018

Preoperative bronchoscopic cancer confirmation does not increase risk of recurrence in stage1A non-small cell lung cancer.

Jiro Abe, Toshimasa Okazaki, Naohiko Kikuchi, Satomi Takahashi, Akira Sakurada, Yoshinori Okada

Abstract readEvaluation Study
PubMed Publisher
In one paragraph

Article in General thoracic and cardiovascular surgery, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact, top 96% 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

3 citing papers in PubMed, 5 citations in OpenAlex.

  1. Article
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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

6 authors at 2 institutions in 1 country.

Jiro AbeDepartment of Thoracic Surgery, Miyagi Cancer Center, 47-1 Nodayama, Medeshima-Shiote, Natori, Miyagi Prefecture, 981-1293, Japan. jabe@kmph.mfnet.ne.jp.ORCID http://orcid.org/0000-0002-0820-0360
Toshimasa OkazakiDepartment of Thoracic Surgery, Miyagi Cancer Center, 47-1 Nodayama, Medeshima-Shiote, Natori, Miyagi Prefecture, 981-1293, Japan.
Naohiko KikuchiDepartment of Thoracic Surgery, Miyagi Cancer Center, 47-1 Nodayama, Medeshima-Shiote, Natori, Miyagi Prefecture, 981-1293, Japan.
Satomi TakahashiDepartment of Thoracic Surgery, Miyagi Cancer Center, 47-1 Nodayama, Medeshima-Shiote, Natori, Miyagi Prefecture, 981-1293, Japan.
Akira SakuradaDepartment of Thoracic Surgery, Graduate School of Medicine, Tohoku University, 4-1 Seiryo-cho, Aoba-ward, Sendai, Miyagi Prefecture, 980-0872, Japan.
Yoshinori OkadaDepartment of Thoracic Surgery, Graduate School of Medicine, Tohoku University, 4-1 Seiryo-cho, Aoba-ward, Sendai, Miyagi Prefecture, 980-0872, Japan.
Tohoku University · JPMiyagi Prefectural Hospital Organization · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study was conducted to evaluate the risk of recurrence possibly caused by preoperative bronchoscopic cancer confirmation in stage1A non-small cell lung cancer.

methodsOne hundred and seventy-nine cases of peripheral non-small cell lung cancer (including 151 adenocarcinoma) with no more than 3 cm in their tumor longer diameter were selected. All patients underwent preoperative diagnostic bronchoscopy followed by lobectomy, and were demonstrated to have pathologically free of lymph node involvement and pleural involvement. Radiological and pathological low-grade adenocarcinomas were excluded. Of 179 cases, 95 were confirmed lung cancer by bronchoscope (Group 1) and rest 84 had failed cancer confirmation by bronchoscope before surgery (Group 2). Forty-eight pairs for non-small cell lung cancer and 41 pairs for adenocarcinoma were identified from each group by propensity caliper matching. Kaplan-Meier method and log-rank test were performed on matched groups, and Cox proportional hazard model analysis was performed on whole matched cases.

resultsLog-rank test revealed no significant inferiority of recurrence-free survival of Group 1 in both all-NSCLC and adenocarcinoma subset. Cox proportional hazard model analysis also revealed that the 'presence of preoperative bronchoscopic cancer confirmation' dose not increase risk of recurrence in both NSCLC and adenocarcinoma subset.

conclusionsIt is unlikely that preoperative bronchoscopic cancer confirmation would increase recurrence risk in stage1A non-small cell lung cancer; however, a future prospective study with larger cohorts would be warranted to validate the results.

Indexed as

AdenocarcinomaAdultAgedBronchoscopyCarcinoma, Non-Small-Cell LungFemaleHumansKaplan-Meier EstimateLung NeoplasmsMaleMiddle AgedNeoplasm Recurrence, LocalNeoplasm StagingPneumonectomyPostoperative ComplicationsPreoperative CareBronchoscopeDiagnosisLung adenocarcinomaPrognostic factor

Identifiers

PMID29564776
OpenAlexW2792679899

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.