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Background: With advances in technology and medical treatment, laparoscopy is increasingly used in hepatic cyst surgery. We hope that the analysis the safety and efficacy of laparoscopic hepatectomy versus open hepatectomy in giant hepatic cyst surgery will provide a theoretical basis for the choice of treatment means for clinicians. Methods: By searching CNKI (China National Knowledge Infrastructure), Wanfang, VIP (China Science and Technology Journal Database), CBM (China Biology Medicine disc), PubMed, Embase and Cochrane Library databases, all Chinese- and English-language articles on the safety and efficacy of laparoscopic hepatectomy and open hepatectomy for hepatic cysts were collected from database establishment to December 2021. Endnote X9 software was used for data checking and screening. Stata 15.1 software was used to analyze the relevant data. Sensitivity analysis was used to assess heterogeneity and funnel plots were used to detect bias in the results. Results: A total of 43 relevant studies covering 3,375 patients with hepatic cysts were included: 1,733 patients in the laparoscopic hepatectomy group and 1,642 in the open hepatectomy group. Meta-analysis showed that the laparoscopic hepatectomy group had shorter operation time [standard mean difference (SMD) =-2.27, 95% confidence interval (CI): -2.63 to -1.92, P<0.001], less intraoperative blood loss (SMD =-3.62, 95% CI: -4.22 to -3.02, P<0.001), shorter hospital stay (SMD =-2.09, 95% CI: -2.41 to -1.78, P<0.001), faster postoperative gastrointestinal function recovery (SMD =-3.94, 95% CI: -4.68 to -3.20, P<0.001), and less postoperative complications [odds ratio (OR) =0.45, 95% CI: 0.35 to 0.58, P<0.001] than the open hepatectomy group, with significant statistical differences. Sensitivity analyses were largely centered, and it indicates that the results have a high stability. The funnel plot was left-right symmetrical. It indicates that the intervention group was better than the control group and the results were reliable. Discussion: There are significant differences in the safety and efficacy of laparoscopic hepatectomy compared with open hepatectomy. Laparoscopic hepatectomy can be selected to reduce postoperative pain. There were few foreign studies included, so whether our results apply to European and American populations still needs further study.

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OBJECTIVE: To systematically evaluate the relationship between vascular endothelial growth factor (VEGF) and prognosis of intrahepatic cholangiocarcinoma by meta-analysis. METHODS: We systematically searched relevant studies in the databases of PubMed, Embase, Cochrane Library, CNKI, Wangfang, and Web of Science, with search dates limited to September 1, 2021. We extracted relevant data, including prognosis and clinicopathological features of patients with different expressions of VEGF in intrahepatic cholangiocarcinoma. The combined hazard ratio (HR), odds ratio (OR), and 95% confidence interval (CI) were calculated to evaluate the link strength between VEGF and prognosis of cholangiocarcinoma patients. RESULTS: A total of 7 eligible studies with 495 patients were included in this meta-analysis. The results showed that the high expression of VEGF was significantly related to poor overall survival (OS) (HR = 1.93, 95% CI 1.52-2.46, P < 0.05) in patients with intrahepatic cholangiocarcinoma. Moreover, high expression of VEGF in tumor tissues associated with lymph node metastasis (LNM) (OR = 6.79, 95% CI 3.93-11.73, P < 0.05) and advanced TNM stage (OR = 4.35, 95% CI 2.34-8.07, P < 0.05) in intrahepatic cholangiocarcinoma. Sensitivity analysis shows that the meta-analysis results are stable and reliable. CONCLUSION: The expression of VEGF is related to the OS of patients with intrahepatic cholangiocarcinoma, and the OS of patients with high expression of VEGF is shorter. VEGF may be a novel predictor of intrahepatic cholangiocarcinoma patients. TRIAL REGISTRATION: PROSPERO ( CRD42022297443 ).

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Background: Intrahepatic duct (IHD) stones, also known as hepatolithiasis, refers to any intrahepatic stones of the left and right hepatic ducts. It is a benign biliary tract disease with a high recurrence rate, with many complications, and difficulty in radical cure. The aim of this review and meta-analysis is to compare the safety and efficacy of the laparoscopic left lateral hepatectomy (LLLH) and open left lateral hepatectomy (OLLH) for IHD stones. Methods: Pubmed, Embase, Cochrane, WangFang Data, and China National Knowledge Infrastructure were searched for randomized controlled trials (RCTs) regarding the comparison of LLLH and OLLH in the treatment of hepatolithiasis. Standard mean difference (SMD), odds ratio (OR), and 95% CI were calculated using the random-effects model or fixed-effects model according to the heterogeneity between studies. Results: From January 01, 2001 to May 30, 2021, 1,056 articles were retrieved, but only 13 articles were finally included for the meta-analysis. The results showed that compared to the OLLH group, LLLH resulted in smaller surgical incision, less intraoperative blood loss, faster postoperative recovery, and fewer postoperative complications (surgical incision: SMD = -3.76, 95% CI: -5.40, -2.12; intraoperative blood loss: SMD = -0.95, 95% CI: -1.69, -0.21; length of hospital stay: SMD = -1.56, 95% CI: -2.37, -0.75; postoperative complications: OR = 0.45, 95% CI: 0.26, 0.78). Conclusions: In the treatment of hepatolithiasis, compared with OLLH, LLLH has the advantages of less intraoperative blood loss, smaller incisions, less postoperative complications, shorter hospital stay, shorter time to first postoperative exhaust, and postoperative ambulation, and rapid postoperative recovery.

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BACKGROUND: There is an elevated risk of rebleeding when the aneurysm is left untreated in patients diagnosed with aneurysmal subarachnoid hemorrhage (SAH). Occlusion of the lumen of the aneurysm using endovascular coiling is a common method to prevent rebleeding by occluding the aneurysm. This study aims to evaluate the efficacy and safety of endovascular coiling in patients with aneurysmal SAH. METHODS: A systematic search for relevant articles will be performed in 4 English electronic databases, including MEDLINE (from 1966 to October 2020), EMBASE (from 1980 to October 2020), the Cochrane Library (from 2020, issue 10), Scopus (from 1823 to October 2020), and 3 Chinese electronic databases, including Chinese Biomedical Literature Database (from 1995 to October 2020), WanFang (last searched October 2020), and China National Knowledge Infrastructure (last searched October 2020). This study will comprise randomized controlled trials (RCTs) that evaluate the effectiveness and safety of using endovascular coiling in the treatment of aneurysmal SAH. The articles in the databases will be independently screened by 2 authors to select potential studies, extract data, and evaluate the bias risk in the selected studies. This study will use suitable statistical methods to merge result data. RESULTS: The results of this study will be useful in determining the efficacy and safety of endovascular coiling for treating patients with aneurysmal SAH. CONCLUSION: The findings of this study will summarize the most recent evidence on the effectiveness and safety of using endovascular coiling to treat aneurysmal SAH. ETHICS AND DISSEMINATION: The present work does not involve any humans or animals; therefore, ethical approval is not needed. SYSTEMATIC REVIEW REGISTRATION: December 2, 2020.osf.io/yj4gq (https://osf.io/yj4gq/).

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BACKGROUND: Several anti-D immunoglobulin strategies exist for preventing Rh hemolytic disease of the fetus and newborn. This study systematically assessed the clinical value of those therapeutic strategies. METHODS: The Web of Science, PubMed, EMBASE, China National Knowledge Infrastructure (CNKI) and Wanfang databases were searched for eligible studies that evaluated the value of different anti-D immunoglobulin strategies in preventing maternal anti-D antibody sensitization. Combined odds ratios (ORs) and their 95% confidence intervals (CIs) were calculated. The network meta-analysis was conducted using Stata 14.2 and WinBUGS 1.4.3 software. RESULTS: Twenty-four original studies involving 64860 patients were included. Among all therapeutic measures, injecting 300 µg anti-D immunoglobulin at 28 and 34 gestational weeks (antenatal 5/E) appeared to be the most effective measure for preventing maternal antibody sensitization (surface under the cumulative ranking curve [SUCRA] = 96.8%), while a single injection at 28 gestational weeks (SUCRA = 89.2%) was the second most effective. Administering no injection or a placebo (SUCRA = 0.0%) was the least effective intervention measure. CONCLUSION: Among the therapeutic measures, antenatal 5/E appeared to be the best method for reducing the positive incidence of anti-D antibodies in the maternal serum; thus, it may be the most effective treatment for preventing fetal hemolytic disease.

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