Evidence map›Paper›PMID 40622414›Full record

ArticleSurgery today2025

Impact of low anterior resection syndrome after rectal surgery on sleep quality.

Akira Toyoshima, Toshihiro Nishizawa, Osamu Toyoshima, Ryuji Akai, Manabu Kaneko, Shin Sasaki

Abstract read
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In one paragraph

Article in Surgery today, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Living with low anterior resection syndrome after rectal cancer surgery: challenges, self-management, and supportive care priorities.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026
    Article
  2. 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

6 authors.

Akira Toyoshima *Department of Colorectal Surgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935, Japan. toyosanaa@yahoo.co.jp.ORCID http://orcid.org/0000-0002-5697-6251
Toshihiro Nishizawa *Department of Gastroenterology and Hepatology, International University of Health and Welfare Narita Hospital, Chiba, Japan.
Osamu ToyoshimaGastroenterology, Toyoshima Endoscopy Clinic, Tokyo, Japan.
Ryuji AkaiDepartment of Colorectal Surgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935, Japan.
Manabu KanekoDepartment of Colorectal Surgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935, Japan.
Shin SasakiDepartment of Colorectal Surgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe factors contributing to the association between rectal cancer and sleep impairment remain unclear. We investigated the risk factors for sleep impairment after anus-preserving surgery for rectal cancer.

methodsThis cross-sectional study investigated surviving patients who underwent low anterior or intersphincteric resection with curative intent for rectal cancer located < 15 cm from the anal verge. Defecatory dysfunction and sleep quality were assessed using the low anterior resection syndrome (LARS) score and the Pittsburgh Sleep Quality Index, respectively.

resultsA total of 176 patients were included in this analysis. The sleep impairment rate in the "major LARS" group was significantly higher than that in the "no/minor LARS" group (54.5 vs. 24.2%; p < 0.001). Multivariable analysis identified that age (odds ratio = 0.943) and tumor height (odds ratio = 0.893) were independently associated with major LARS. In the multivariable analysis for sleep impairment, major LARS (odds ratio = 4.490, p < 0.001) and adjuvant (pre/post) chemotherapy (odds ratio = 3.400, p = 0.003) were independently associated with sleep impairment.

conclusionSleep quality was reduced significantly in patients with major LARS after rectal cancer surgery. Adjuvant chemotherapy also impairs sleep quality, while low tumor location and young age were independent risk factors for major LARS.

Indexed as

Digestive System Surgical ProceduresOrgan Sparing TreatmentsPostoperative ComplicationsRectal NeoplasmsRectumSleep QualitySleep Wake DisordersAdultAgedAged, 80 and overAge FactorsAnal CanalChemotherapy, AdjuvantCross-Sectional StudiesDefecationFemaleIntersphincteric resectionLow anterior resection syndromeRectal cancerSleep

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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.