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Laparoscopic versus open subtotal gastrectomy for gastric adenocarcinoma: cost-effectiveness analysis.

ABSTRACT: BACKGROUND:Laparoscopic subtotal gastrectomy (LSG) for cancer is associated with good perioperative outcomes and superior quality of life compared with the open approach, albeit at higher cost. An economic evaluation was conducted to compare the two approaches. METHODS:A cost-effectiveness analysis between LSG and open subtotal gastrectomy (OSG) for gastric cancer was performed using a decision-tree cohort model with a healthcare system perspective and a 12-month time horizon. Model inputs were informed by a meta-analysis of relevant literature, with costs represented in 2016 Canadian dollars (CAD) and outcomes measured in quality-adjusted life-years (QALYs). A secondary analysis was conducted using inputs extracted solely from European and North American studies. Deterministic (DSA) and probabilistic (PSA) sensitivity analyses were performed. RESULTS:In the base-case model, costs of LSG were $935 (€565) greater than those of OSG, with an incremental gain of 0·050 QALYs, resulting in an incremental cost-effectiveness ratio of $18?846 (€11?398) per additional QALY gained from LSG. In the DSA, results were most sensitive to changes in postoperative utility, operating theatre and equipment costs, as well as duration of surgery and hospital stay. PSA showed that the likelihood of LSG being cost-effective at willingness-to-pay thresholds of $50?000 (€30?240) per QALY and $100?000 (€60?480) per QALY was 64 and 68 per cent respectively. Secondary analysis using European and North American clinical inputs resulted in LSG being dominant (cheaper and more effective) over OSG, largely due to reduced length of stay after LSG. CONCLUSION:In this decision analysis model, LSG was cost-effective compared with OSG for gastric cancer.

SUBMITTER: Gosselin-Tardif A

PROVIDER: S-EPMC7528510 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Laparoscopic versus open subtotal gastrectomy for gastric adenocarcinoma: cost-effectiveness analysis.

Gosselin-Tardif A A Abou-Khalil M M Mata J J Guigui A A Cools-Lartigue J J Ferri L L Lee L L Mueller C C

BJS open 20200806 5

<h4>Background</h4>Laparoscopic subtotal gastrectomy (LSG) for cancer is associated with good perioperative outcomes and superior quality of life compared with the open approach, albeit at higher cost. An economic evaluation was conducted to compare the two approaches.<h4>Methods</h4>A cost-effectiveness analysis between LSG and open subtotal gastrectomy (OSG) for gastric cancer was performed using a decision-tree cohort model with a healthcare system perspective and a 12-month time horizon. Mod ...[more]

PMID: 32762036

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Project description:BACKGROUND:Compared with open gastrectomy (OG), laparoscopic gastrectomy (LG) for gastric cancer has achieved rapid development and popularities in the past decades. However, lack of comprehensive analysis in long-term oncological outcomes such as recurrence and mortality hinder its full support as a valid procedure. Therefore, there are still debates on whether one of these options is superior. AIM:To evaluate the primary and secondary outcomes of laparoscopic versus open gastrectomy for gastric cancer patients METHODS: Two authors independently extracted study data. Risk ratio (RR) with 95% confidence interval (CI) was calculated for binary outcomes, mean difference (MD) or the standardized mean difference (SMD) with 95% CI for continuous outcomes, and the hazard ratio (HR) for time-to-event outcomes. Review Manager 5.3 and STATA software were used for the meta-analysis. RESULTS:Seventeen randomized controlled trials (RCTs) involving 5204 participants were included in this meta-analysis. There were no differences in the primary outcomes including the number of lymph nodes harvested during operation, severe complications, short-term and long-term recurrence, and mortality. As for secondary outcomes, compared with the OG group, longer operative time was required for patients in the LG group (MD?=?58.80?min, 95% CI?=?[45.80, 71.81], P?<?0.001), but there were less intraoperative blood loss (MD?=?-?54.93?ml, 95% CI?=?[-?81.60, -?28.26], P?<?0.001), less analgesic administration (frequency: MD?=?-?1.73, 95% CI?=?[-?2.21, -?1.24], P?<?0.001; duration: MD?=?-?1.26?days, 95% CI?=?[-?1.40, -?1.12], P?<?0.001), shorter hospital stay (MD?=?-?1.37?days, 95% CI?=?[-?2.05, -?0.70], P?<?0.001), shorter time to first flatus (MD?=?-?0.58?days, 95% CI?=?[-?0.79, -?0.37], P?<?0.001), ambulation (MD?=?-?0.50?days, 95% CI?=?[-?0.90, -?0.09], P?=?0.02) and oral intake (MD?=?-?0.64?days, 95% CI?=?[-?1.24, -?0.03], P?<?0.04), and less total complications (RR?=?0.81, 95% CI?=?[0.71, 0.93], P?=?0.003) in the OG group. There was no difference in blood transfusions (number, quantity) between these two groups. Subgroup analysis, sensitivity analysis, and the adjustment of Duval's trim and fill methods for publication bias did not change the conclusions. CONCLUSION:LG was comparable to OG in the primary outcomes and had some advantages in secondary outcomes for gastric cancer patients. LG is superior to OG for gastric cancer patients.

Project description:Many meta-analyses have confirmed the technical feasibility and favorable short-term surgical outcomes of laparoscopic gastrectomy (LG) for gastric cancer patients, but the long-term survival outcome of LG remains controversial compared with open gastrectomy (OG). This study aimed to compare the 5-year overall survival (OS), recurrence, and gastric cancer-related death of LG with OG among gastric cancer patients. PubMed was searched to February 2014. The resectable gastric cancer patients who underwent curative LG or OG were eligible. The studies that compared 5-year OS, recurrence, or gastric cancer-related death in the LG and OG groups were included. A meta-analysis, meta-regression, sensitivity analysis, subgroup analysis, and stage-specific analysis were performed to estimate the survival outcome between the two groups and identify the potential confounders. Quality assessment was based on a tailored comparability scoring system. Twenty-three studies with 7336 patients were included. The score of comparability between two groups and the extent of lymphadenectomy were two independent confounders. Based on the well-balanced studies, the 5-year OS (OR?=?1.07, 95% CI 0.90-1.28, P?=?0.45), recurrence (OR?=?0.83, 95% CI 0.68-1.02, P?=?0.08), and gastric cancer-related death (OR?=?0.86, 95% CI 0.65-1.13, P?=?0.28) rates were comparable in LG and OG. Several subsets such as the publication year, study region, sample size, gastrectomy pattern, extent of lymphadenectomy, number of nodes harvested, and proportion of T1-2 or N0-1 did not influence the estimates, if they were well balanced. Particularly, the stage-specific estimates obtained comparable results between the two groups. Randomized controlled trials comparing LG with OG remain sparse to assess their long-term survival outcomes. The major contributions of this systematic review compared with other meta-analyses are a comprehensive collection of available long-term survival outcomes within a much larger number of observations and a more precise consideration of confounders. Current knowledge indicates that the long-term survival outcome of laparoscopic gastric cancer surgery is comparable to that of open surgery among early or advanced stage gastric cancer patients, and LG is acceptable with regard to oncologic safety.

Project description:BackgroundLaparoscopic gastrectomy and robotic gastrectomy are the most widely adopted treatment of choice for gastric cancer. To systematically assess the safety and effectiveness of robotic gastrectomy for gastric cancer, we carried out a systematic review and meta-analysis on short-term and long-term outcomes of robotic gastrectomy.MethodsIn order to find relevant studies on the efficacy and safety of robotic gastrectomy (RG) and laparoscopic gastrectomy (LG) in the treatment of gastric cancer, numerous medical databases including PubMed, Medline, Cochrane Library, Embase, Google Scholar, and China Journal Full-text Database (CNKI) were consulted, and Chinese and English studies on the efficacy and safety of RG and LG in the treatment of gastric cancer published from 2012 to 2022 were screened according to inclusion and exclusion criteria, and a meta-analysis was conducted using RevMan 5.4 software.ResultsThe meta-analysis inlcuded 48 literatures, with 20,151 gastric cancer patients, including 6,175 in the RG group and 13,976 in the LG group, respectively. Results of our meta-analysis showed that RG group had prololonged operative time (WMD = 35.72, 95% CI = 28.59-42.86, P < 0.05) (RG: mean ± SD = 258.69 min ± 32.98; LG: mean ± SD = 221.85 min ± 31.18), reduced blood loss (WMD = -21.93, 95% CI = -28.94 to -14.91, P < 0.05) (RG: mean ± SD = 105.22 ml ± 62.79; LG: mean ± SD = 127.34 ml ± 79.62), higher number of harvested lymph nodes (WMD = 2.81, 95% CI = 1.99-3.63, P < 0.05) (RG: mean ± SD = 35.88 ± 4.14; LG: mean ± SD = 32.73 ± 4.67), time to first postoperative food intake shortened (WMD = -0.20, 95% CI = -0.29 to -0.10, P < 0.05) (RG: mean ± SD = 4.5 d ± 1.94; LG: mean ± SD = 4.7 d ± 1.54), and lower length of postoperative hospital stay (WMD = -0.54, 95% CI = -0.83 to -0.24, P < 0.05) (RG: mean ± SD = 8.91 d ± 6.13; LG: mean ± SD = 9.61 d ± 7.74) in comparison to the LG group. While the other variables, for example, time to first postoperative flatus, postoperative complications, proximal and distal mar gin, R 0 resection rate, mortality rate, conversion rate, and 3-year overall survival rate were all found to be statistically similar at P > 0.05.ConclusionsIn the treatment of gastric cancer, robotic gastrectomy is a safe and effective procedure that has both short- and long-term effects. To properly evaluate the advantages of robotic surgery in gastric cancer, more randomised controlled studies with rigorous research methodologies are needed.

Project description:BackgroundIn the last decade's robotic gastrectomy (RG) has increasingly widespread as a valid minimally invasive option for treatment of gastric cancer. In literature, evidence of its routine use is not yet well established. The aims of this study are to report our initial experience and to present possible advantages of our hybrid operative technique for subtotal gastrectomy.Materials and methodsRetrospectively, we analyzed data from 41 patients (22 male and 19 female) who underwent robot-assisted laparoscopic subtotal gastrectomy (RALG) with D2 lymphadenectomy using the da Vinci XI robotic system. Inclusion criteria were gastric cancer in the middle or lower portion of the stomach amenable of radical subtotal gastrectomy without preoperative suspicion of positive lymph-nodes or other organs involving and distant metastasis. All the procedures were performed by attending surgeons.ResultsThe mean operative time was 270 min with one case of conversion to open surgery. The mean age was 71.4 (IQR 68.2-76.8) with 43.9% of patients classified as ASA (American Society of Anesthesiologists) score ≥3. The median of lymph-nodes retrieved was 25 (IQR 19-35). No intra-operative complications occurred. Time to resume a soft diet was 5 days. Patients were hospitalized a median of 7 days. According to pathological AJCC-TNM, 21 patients were classified as advanced gastric cancer. Post-operative morbidity was recorded in 9 patients (21.9%) with major complications requiring surgical operation in 4 patients (9.8%). Elevated ASA score, fewer lymph-nodes retrieved and ICU recovery requirements were significant increased in patients with major complications.ConclusionThe preliminary results demonstrated that robot-assisted laparoscopic subtotal gastrectomy is safe and feasible. In particular, we found that the da Vinci platform improves surgeon abilities to perform an adequate lymphadenectomy and digestive reconstruction. Further studies are necessary to better clarify the role of this high-cost technology in minimally invasive treatment of gastric cancer.

Dataset Information

Laparoscopic versus open subtotal gastrectomy for gastric adenocarcinoma: cost-effectiveness analysis.

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Laparoscopic versus open subtotal gastrectomy for gastric adenocarcinoma: cost-effectiveness analysis.

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