Evidence map›Paper›PMID 30045268›Full record

Observational studyMedicine2018

Impact of reduced skeletal muscle volume on clinical outcome after esophagectomy for esophageal cancer: A retrospective study.

Ken Nagata, Hironori Tsujimoto, Hiromi Nagata, Manabu Harada, Nozomi Ito, Kyohei Kanematsu, Shinsuke Nomura, Hiroyuki Horiguchi, Shuichi Hiraki, Kazuo Hase and 2 more

Open access · goldAbstract readObservational Study
In one paragraph

Observational study in Medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 3 pooled it
1.2field-weighted citation impact, top 21% 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

15 citing papers in PubMed, 3 syntheses or guidelines pooled it, 21 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Preoperative PD-1Oncology letters · 2025
    Article
  5. Systemic inflammation score as a predictor of death within one year after esophagectomy.Esophagus : official journal of the Japan Esophageal Society · 2024
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. 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

12 authors at 1 institution in 1 country.

Ken NagataDepartment of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Japan.
Hironori Tsujimoto
Hiromi Nagata
Manabu Harada
Nozomi Ito
Kyohei Kanematsu
Shinsuke Nomura
Hiroyuki Horiguchi
Shuichi Hiraki
Kazuo Hase
Junji Yamamoto
Hideki Ueno
National Defense Medical College · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of the study was to clarify the impact of reduced skeletal muscle volume on the morbidity of patients who underwent esophagectomy for esophageal cancer.Malnutrition and reduced skeletal muscle volume, that is, presarcopenia, are reportedly associated with a high frequency of postoperative complications after esophagectomy. However, it remains unclear whether the reduction of skeletal muscle volume following esophagectomy may affect clinical outcomes including pneumonia occurred beyond the preoperative period.From February 2009 to June 2015, in 123 patients, we retrospectively evaluated the postoperative changes of the psoas muscle index (PI) on computed tomography and assessed their impact on the incidence of pneumonia after esophagectomy.There was a significant reduction in the PI 6 months after surgery compared to the preoperative value. The incidence of pneumonia as of 6 months after surgery was 23.6%, which was higher in patients of advanced age (P = .02), those with a lower body mass index (P = .02), and those with a greater reduction of PI during 6 months after surgery (P = .03). It was not associated with preoperative nutritional data, pulmonary function, operative procedure, and preoperative PI. Multivariate analysis demonstrated that age and postoperative PI reduction were independently associated with the incidence of pneumonia 6 months after surgery (hazard ratio [HR] = 2.92, 95% confidence interval [CI] 1.16-7.32, P = .02; HR = 3.25, 95% CI 1.15-9.15, P = .03, respectively). Patients with pneumonia 6 months after surgery had significantly poorer overall survival than those without pneumonia at that time.Postoperative reduction of skeletal muscle volume was independently associated with the occurrence of pneumonia beyond the preoperative period, which might indicate the importance of a postoperative nutritional support after perioperative period in esophageal cancer patients.

Indexed as

Muscular AtrophyPneumoniaPostoperative ComplicationsAgedBody Mass IndexEsophageal NeoplasmsEsophagectomyFemaleHumansIncidenceJapanMaleMuscle, SkeletalRetrospective Studies

Identifiers

PMID30045268
PMCPMC6078756
OpenAlexW2883119147

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.