Evidence map›Paper›PMID 30264387›Full record

ArticleJournal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract2019

Volumetric and Functional Regeneration of Remnant Liver after Hepatectomy.

Yoshihiro Inoue, Kensuke Fujii, Masatsugu Ishii, Syuji Kagota, Atsushi Tomioka, Hiroki Hamamoto, Wataru Osumi, Yusuke Tsuchimoto, Shinsuke Masubuchi, Masashi Yamamoto and 9 more

Abstract readEvaluation Study
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In one paragraph

Article in Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing 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

28 citing papers in PubMed.

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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

19 authors.

Yoshihiro InoueDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan. sur129@osaka-med.ac.jp.
Kensuke FujiiDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Masatsugu IshiiDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Syuji KagotaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Atsushi TomiokaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Hiroki HamamotoDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Wataru OsumiDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Yusuke TsuchimotoSecond Department of Internal Medicine, Osaka Medical College Hospital, Takatsuki City, Japan.
Shinsuke MasubuchiDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Masashi YamamotoDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Akira AsaiSecond Department of Internal Medicine, Osaka Medical College Hospital, Takatsuki City, Japan.
Koji KomedaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Tetsunosuke ShimizuDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Mitsuhiro AsakumaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Shinya FukunishiSecond Department of Internal Medicine, Osaka Medical College Hospital, Takatsuki City, Japan.
Fumitoshi HirokawaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.
Yoshihumi NarumiDepartment of Radiology, Osaka Medical College Hospital, Takatsuki City, Japan.
Kazuhide HiguchiSecond Department of Internal Medicine, Osaka Medical College Hospital, Takatsuki City, Japan.
Kazuhisa UchiyamaDepartment of General and Gastroenterological Surgery, Osaka Medical College Hospital, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPost-hepatectomy liver regeneration is of great interest to liver surgeons, and understanding the process of regeneration could contribute to increasing the safety of hepatectomies and improving prognoses.

methodsFive hundred thirty-eight patients who underwent hepatectomy were retrospectively analyzed. Postoperative outcomes were evaluated, with a focus on the effects of portal vein resection and resected liver volume on remnant liver regeneration in patients with liver tumors. Remnant liver volumes (RLVs) and laboratory data were measured postoperatively using multidetector computed tomography on day 7 and months 1, 2, 5, 12, and 24 after the operation.

resultsLiver regeneration speed peaked at 1 week postoperatively and gradually decreased. Regeneration with large resections was longer than that with small resections, with the remnant liver regeneration rate being significantly lower in the former at all time points. Remnant liver regeneration plateaued around 5 months postoperatively, when regeneration is almost complete. Up to 1 month postoperatively, laboratory data were significantly worse when more portal veins was resected. After 2 months postoperatively, these data recovered to near normal levels.

conclusionThe speed and rate of remnant liver regeneration primarily showed a strong correlation with the number of resected portal veins and the amount of removed liver parenchyma. The larger the resection ratio, the longer it took the liver to regenerate. We confirmed that recovery of the liver's functional aspects accompanies recovery of the RLV.

Indexed as

HepatectomyAdultAgedAged, 80 and overCarcinoma, HepatocellularFemaleFollow-Up StudiesHumansLiverLiver NeoplasmsLiver RegenerationMaleMiddle AgedMultidetector Computed TomographyOrgan SizePortal VeinFunctional regenerationHepatectomyLiver regeneration rateLiver regeneration speedRemnant liverVolumetric regeneration

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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.