Evidence map›Paper›PMID 33748032›Full record

ArticleAnnals of surgical treatment and research2021

Comparison of long-term biliary complications between open and laparoscopic choledochal cyst excision in children.

Changhoon Lee, Jeik Byun, Dayoung Ko, Hee-Beom Yang, Joong Kee Youn, Hyun-Young Kim

Open access · diamondAbstract read
In one paragraph

Article in Annals of surgical treatment and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 15% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
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  4. A single-center retrospective cohort study of laparoscopicAnnals of surgical treatment and research · 2025
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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

6 authors at 3 institutions in 1 country.

Changhoon LeeDepartment of Surgery, Seoul National University Hospital, Seoul, Korea.ORCID https://orcid.org/0000-0001-7470-3102
Jeik ByunDepartment of Surgery, Seoul National University Hospital, Seoul, Korea.ORCID https://orcid.org/0000-0002-3405-5945
Dayoung KoDepartment of Surgery, Seoul National University Hospital, Seoul, Korea.ORCID https://orcid.org/0000-0002-6090-1906
Hee-Beom YangDepartment of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.ORCID https://orcid.org/0000-0002-5343-0448
Joong Kee YounDepartment of Surgery, Seoul National University Hospital, Seoul, Korea.ORCID https://orcid.org/0000-0002-6345-5745
Hyun-Young KimDepartment of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0003-0106-9969
Seoul National University Hospital · KRSeoul National University · KRSeoul National University Bundang Hospital · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeCyst excision with hepaticojejunostomy has been the classic procedure for treating choledochal cysts, and the use of laparoscopic treatment has been favored recently. The purpose of this study was to compare the long-term biliary complication of laparoscopic operation with open surgery for choledochal cyst presenting in children.

methodsA retrospective study comparing the laparoscopic and open procedures was performed in 185 patients with choledochal cyst in a single children's hospital. There were 109 patients who were operated with open surgery, and 76 patients operated with laparoscopic surgery. The primary outcome was long-term biliary complications and the secondary outcome included operative time, intraoperative transfusion, length of hospital stay, and other late postoperative complications.

resultsIn the patient's demographics, there was no significant difference between the 2 groups. Notably, it was shown that the operative time was longer in the laparoscopic group. The number of patients requiring blood transfusion intraoperatively was lower in the laparoscopic group. It was noted that the hospital stay was not statistically different. The duration to resumption of diet and duration of drainage were longer in the laparoscopic group. Biliary complications were shown to be significantly higher in the open group. The risk factor for long-term biliary complications was noted with the intraoperative transfusion.

conclusionThe use of a laparoscopic choledochal cyst excision with hepaticojejunostomy is a safe and feasible technique in a young patient. The long-term biliary complication was lower compared to open surgery, rendering this a good option for pediatric patients.

Indexed as

Biliary tract diseasesChildCholedochal cystLaparoscopyPediatrics

Identifiers

PMID33748032
PMCPMC7943283
OpenAlexW3135348083

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.