Evidence map›Paper›PMID 40974454›Full record

ArticleSurgery today2026

Association between diaphragm thickness and postoperative complications in elderly patients with non-small-cell lung cancer.

Shoji Kuriyama, Motoko Konno, Naoko Mori, Sumire Shibano, Shinogu Takashima, Tsubasa Matsuo, Yusuke Sato, Kyoko Nomura, Yoshihiro Minamiya, Kazuhiro Imai

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Surgery today, 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

10 authors.

Shoji KuriyamaDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan. syommf1u@gipc.akita-u.ac.jp.ORCID http://orcid.org/0000-0003-1304-2608
Motoko KonnoDepartment of Radiology, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-0853, Japan.
Naoko MoriDepartment of Radiology, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-0853, Japan.
Sumire ShibanoDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.
Shinogu TakashimaDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.
Tsubasa MatsuoDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.
Yusuke SatoDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.
Kyoko NomuraDepartment of Health Environmental Science and Public Health, Akita University, 1-1-1 Hondo, Akita, 010-0853, Japan.
Yoshihiro MinamiyaDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.
Kazuhiro ImaiDepartment of Thoracic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan.

Funding

Akita University Akita University Young Researchers Support Program
6 · The paper itself

Abstract

purposePredicting perioperative complications in high-risk elderly patients with lung cancer has become increasingly important as the population ages. This study investigated the relationship between preoperative diaphragmatic thickness (DT) and perioperative complications.

methodsWe enrolled 101 patients ≥ 75 years old who had undergone radical resection for primary lung cancer between 2013 and 2018. Bilateral DT was measured on axial and coronal computed tomography, and the mean DT (MDT) was calculated based on these measurements. Outcomes were assessed based on postoperative complications, defined as Clavien-Dindo classification ≥ 2.

resultsThe MDT was 3.51 ± 1.00 mm. Thirteen patients who experienced postoperative respiratory complications had a significantly lower MDT than a higher MDT (p = 0.0390). Multivariate logistic regression analyses revealed that an MDT ≤ 3.63 mm was an independent factor associated with postoperative complications (odds ratio, 5.559).

conclusionsPatients with a low MDT are at an increased risk of postoperative complications. Therefore, these patients require careful perioperative management.

Indexed as

Carcinoma, Non-Small-Cell LungDiaphragmLung NeoplasmsPostoperative ComplicationsAgedAged, 80 and overAge FactorsFemaleHumansMaleOrgan SizePreoperative PeriodRiskRisk FactorsTomography, X-Ray ComputedComputed tomographyDiaphragmElderly patientsNon-small-cell lung cancerPostoperative complications

Identifiers

PMID40974454
PMCPMC12945973

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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.