Annals of surgical oncology · 2020
Factors Associated with Resection and Survival After Laparoscopic HIPEC for Peritoneal Gastric Cancer Metastasis.
СтатьяНазвание и аннотация: Перевод в очереди
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White Michael G, Kothari Anai, Ikoma Naruhiko, Murphy Mariela Blum, Song Shumei, Ajani Jaffer, Mansfield Paul, Badgwell Brian
Аннотация
PURPOSE: Although laparoscopic hyperthermic intraperitoneal chemotherapy (LS-HIPEC) has been proven safe in patients with gastric adenocarcinoma and carcinomatosis or positive cytology, patient selection criteria remain unclear. Thus, we perform a retrospective analysis to identify factors associated with improved survival and resection rates.
PATIENTS AND METHODS: Data for all patients undergoing LS-HIPEC for stage IV gastric adenocarcinoma between June 2014 and November 2018 were collected prospectively and analyzed for associations with survival and resection using uni- and multivariate logistic regression, Cox proportional hazards models, and Kaplan-Meier survival functions.
RESULTS: Of 70 patients who underwent LS-HIPEC, 43 (61%) received two drugs (mitomycin C and cisplatin), and 27 (39%) received three drugs (mitomycin C, cisplatin, and paclitaxel). The two groups' demographic and oncologic differences were not significant, although the three-drug group had a significantly lower rate of radiation therapy use (58% vs. 15%; p < 0.01). Univariate analysis revealed that poor differentiation [Cox hazard ratio (HR) 2.75; 95% confidence interval (CI) 1.34-5.63; p < 0.01], gross carcinomatosis (HR 3.10; 95% CI 1.52-6.30; p = 0.03), and ascites (HR 3.43; 95% CI 1.88-6.26; p < 0.01) were associated with shorter median survival. Gastrectomy was associated with improved overall survival (HR 0.32; 95% CI 0.15-0.70; p < 0.01). The resection rate of the 45 patients without ascites (38%) was significantly higher than that of the 25 patients with ascites (0%; p < 0.01).
CONCLUSIONS: Our findings identify ascites as a significant prognostic factor for gastric cancer patients with peritoneal metastases undergoing LS-HIPEC. Our findings can be used to help identify patients who are unlikely to proceed to resection after LS-HIPEC and are good candidates for novel therapeutic approaches or clinical trials.
PATIENTS AND METHODS: Data for all patients undergoing LS-HIPEC for stage IV gastric adenocarcinoma between June 2014 and November 2018 were collected prospectively and analyzed for associations with survival and resection using uni- and multivariate logistic regression, Cox proportional hazards models, and Kaplan-Meier survival functions.
RESULTS: Of 70 patients who underwent LS-HIPEC, 43 (61%) received two drugs (mitomycin C and cisplatin), and 27 (39%) received three drugs (mitomycin C, cisplatin, and paclitaxel). The two groups' demographic and oncologic differences were not significant, although the three-drug group had a significantly lower rate of radiation therapy use (58% vs. 15%; p < 0.01). Univariate analysis revealed that poor differentiation [Cox hazard ratio (HR) 2.75; 95% confidence interval (CI) 1.34-5.63; p < 0.01], gross carcinomatosis (HR 3.10; 95% CI 1.52-6.30; p = 0.03), and ascites (HR 3.43; 95% CI 1.88-6.26; p < 0.01) were associated with shorter median survival. Gastrectomy was associated with improved overall survival (HR 0.32; 95% CI 0.15-0.70; p < 0.01). The resection rate of the 45 patients without ascites (38%) was significantly higher than that of the 25 patients with ascites (0%; p < 0.01).
CONCLUSIONS: Our findings identify ascites as a significant prognostic factor for gastric cancer patients with peritoneal metastases undergoing LS-HIPEC. Our findings can be used to help identify patients who are unlikely to proceed to resection after LS-HIPEC and are good candidates for novel therapeutic approaches or clinical trials.