Evidence map›Paper›PMID 30339628›Full record

ArticleAnnals of surgery2020

Comprehensive Complication Index Validates Improved Outcomes Over Time Despite Increased Complexity in 3707 Consecutive Hepatectomies.

Jordan M Cloyd, Takashi Mizuno, Yoshikuni Kawaguchi, Heather A Lillemoe, Georgios Karagkounis, Kiyohiko Omichi, Yun Shin Chun, Claudius Conrad, Ching-Wei D Tzeng, Bruno C Odisio and 5 more

Abstract read
In one paragraph

Article in Annals of surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 2 pooled it
–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

52 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  7. Nonoperative Management of Hepatic Adenomas: A Review.Journal of gastrointestinal cancer · 2026
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  18. Journal of gastrointestinal oncology · 2023
    Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

15 authors.

Jordan M CloydDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Takashi MizunoDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Yoshikuni KawaguchiDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Heather A LillemoeDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Georgios KaragkounisDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Kiyohiko OmichiDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Yun Shin ChunDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Claudius ConradDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Ching-Wei D TzengDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Bruno C OdisioDepartment of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Steven Y HuangDepartment of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Marshall HicksDepartment of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Steven H WeiDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Thomas A AloiaDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Jean-Nicolas VautheyDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI DIANE BODURKA · 1985 to 2026
$290.8M
TRAINING OF ACADEMIC SURGICAL ONCOLOGISTST32CA009599 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Ashley M Holder, Jennifer A. Wargo · 1988 to 2026
$13.2M
NCI NIH HHS P30 CA016672NCI NIH HHS T32 CA009599
6 · The paper itself

Abstract

objectiveThe aim of this study was to evaluate trends over time in perioperative outcomes for patients undergoing hepatectomy.

backgroundAs perioperative care and surgical technique for hepatectomy have improved, the indications for and complexity of liver resections have evolved. However, the resulting effect on the short-term outcomes over time has not been well described.

methodsConsecutive patients undergoing hepatectomy during 1998 to 2015 at 1 institution were analyzed. Perioperative outcomes, including the comprehensive complication index (CCI), were compared between patients who underwent hepatectomy in the eras 1998 to 2003, 2004 to 2009, and 2010 to 2015.

resultsThe study included 3707 hepatic resections. The number of hepatectomies increased in each era (794 in 1998 to 2003, 1402 in 2004 to 2009, and 1511 in 2010 to 2015). Technical complexity increased over time as evidenced by increases in the rates of major hepatectomy (20%, 23%, 30%, P < 0.0001), 2-stage hepatectomy (0%, 3%, 4%, P < 0.001), need for portal vein embolization (5%, 9%, 9%, P = 0.001), preoperative chemotherapy for colorectal liver metastases (70%, 82%, 89%, P < 0.001) and median operative time (180, 175, 225 minutes, P < 0.001). Significant decreases over time were observed in median blood loss (300, 250, 200 mL, P < 0.001), transfusion rate (19%, 15%, 5%, P < 0.001), median length of hospitalization (7, 7, 6 days, P < 0.001), rates of CCI ≥26.2 (20%, 22%, 16%, P < 0.001) and 90-day mortality (3.1%, 2.6%, 1.3%, P < 0.01). On multivariable analysis, hepatectomy in the most recent era 2010 to 2015 was associated with a lower incidence of CCI ≥26.2 (odds ratio 0.7, 95% confidence interval 0.6-0.8, P < 0.0001).

conclusionDespite increases in complexity over an 18-year period, continued improvements in surgical technique and perioperative outcomes yielded a resultant decrease in CCI in the most current era.

Indexed as

Outcome Assessment, Health CareAgedFemaleHepatectomyHumansIncidenceLiver NeoplasmsMaleMiddle AgedPostoperative ComplicationsProspective Studies

Identifiers

PMID30339628
PMCPMC6864233

What OpenQuestion holds

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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.