Laparoscopic vs open hepatectomy for hepatocellular carcinoma in patients with cirrhosis: A meta-analysis of the long-term survival outcomes
Why this work is in the frame
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Bibliographic record
Abstract
BACKGROUND: In patients with hepatocellular carcinoma (HCC) and cirrhosis, laparoscopic hepatectomy (LH) confers short-term benefits over open hepatectomy (OH) but the long-term outcomes of this procedure are unclear. This systematic review aims to compare the long-term survival outcomes of LH and OH for patients with HCC and underlying cirrhosis. METHODS: EMBASE, MEDLINE and Scopus databases were searched from date of inception to 7th October 2016. Controlled clinical studies comparing LH to OH for HCC in cirrhotic patients, which reported long-term overall and disease-free survival were included. The studies were evaluated using the MOOSE guidelines and Newcastle-Ottawa Scale. Data were extracted and analysed using a fixed-effects model. RESULTS: Five non-randomised, retrospective observational studies representing 888 patients were included. LH was associated with significantly lower tumour recurrence [OR: 0.65, 95% CI: 0.48, 0.89]. LH conferred greater overall survival at 1- [HR: 0.41, 95% CI: 0.25, 0.68], 3- [HR: 0.63, 95% CI: 0.46, 0.87] and 5-years [HR: 0.60, 95% CI: 0.45, 0.80]. With LH, there was higher disease-free survival at 1-year [HR: 0.71, 95% CI: 0.53, 0.96], but not at 3- [HR: 0.89, 95% CI: 0.70, 1.14]; and 5-years [HR: 0.85, 95% CI: 0.70, 1.04]. CONCLUSIONS: Laparoscopic surgery is associated with comparable postoperative and survival outcomes in patients with HCC and underlying cirrhosis. With careful selection of patients, this approach is safe, feasible and advantageous.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.007 | 0.007 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it