ArticleMedicine2018
Effect of cancer characteristics and oncological outcomes associated with laparoscopic colorectal resection converted to open surgery: A meta-analysis.
Article in Medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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.
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.
Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Article
- Effect of Ultrasound-Guided Quadratus Lumborum Block Preemptive Analgesia on Postoperative Recovery of Patients with Open Radical Colon Cancer Surgery: A Retrospective Study.Cancer management and research · 2021Article
- Long-term oncologic outcome and risk factors after conversion in laparoscopic surgery for colon cancer.International journal of colorectal disease · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAlthough laparoscopic colorectal cancer resection is an oncologically safe procedure equivalent to open resection,the effects of conversion of a laparoscopic approach to an open approach remain unclear.This study evaluated the cancer characteristic and oncological outcomes associated with conversion of laparoscopic colorectal resection to open surgery.
methodWe conducted searches on PubMed, EMBASE, MEDLINE, and the Cochrane Central Register of Controlled Trials. We included the literature published until 2018 that examined the impact of laparoscopic conversion to open colorectal resection. Only randomized control trials and prospective studies were included. Each study was reviewed and the data were extracted. Fixed-effects methods were used to combine data, and 95% confidence intervals (CIs) were used to evaluate the outcomes.
resultsTwelve studies with 5427 patients were included. Of these, 4672 patients underwent complete laparoscopic resection with no conversion (LAP group), whereas 755 underwent conversion to an open resection (CONV group). The meta-analysis showedsignificant differences between the LAP group and converted (CONV) group with respect to neoadjuvant therapy (P = .002), location of the rectal cancer (P = .01), and recurrence (P = .01). However, no difference in local recurrence (P = .17) was noted between both groups.
conclusionConversion of laparoscopic to open colorectal cancer resection is influenced by tumor characteristics. Conversion of laparoscopic surgery for colorectal cancer is associated with a worse oncological outcome.
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Registered trials
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.