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  • Title: Propensity score-matched retrospective cohort study of endoscopic ultrasound-guided gastroenterostomy and enteral stenting for malignant gastric outlet.
    Author: Seitz N, Meier B, Caca K, Wannhoff A.
    Journal: Surg Endosc; 2024 Apr; 38(4):2078-2085. PubMed ID: 38438674.
    Abstract:
    BACKGROUND: Symptomatic malignant gastric outlet obstruction (GOO) significantly reduce patients' quality of life. Endoscopic treatment involves enteral stenting or endoscopic ultrasonography to perform gastroenterostomy (EUS-GE). Aim was to compare enteral stenting with EUS-GE for endoscopic treatment of malignant GOO. METHODS: We retrospectively compared enteral stenting with EUS-GE for the treatment of malignant GOO. Patients treated at our institution were identified and a propensity score matching analysis was performed. Treatment failure was the primary outcome, while the secondary endpoints were time until treatment failure, technical and clinical success rates, and adverse event rates. RESULTS: Eighty-eight patients were included in the final analysis. Of whom, 44 were included in each of the two treatment groups. Treatment failure occurred significantly more frequently in the enteral stenting group (13/44) compared with the EUS-GE group (4/44; hazard ratio: 4,9; 95% CI 1.6-15.1). A Kaplan-Meier analysis revealed a median time until treatment failure of 22.0 weeks (95% CI 4.6-39.4) in the enteral stenting group compared with 76.0 weeks (95% CI 55.9-96.1) in the EUS-GE group (P = .002). No difference in technical success and clinical success was detected. Technical success was achieved in 43/44 patients (97.7%) in the enteral stenting group compared with 41/44 patients (93.2%) in the EUS-GE group, while clinical success was achieved in 32/44 (72.7%) and 35/44 (79.5%) patients, respectively. Nine adverse events were observed (9/44, 10.2%). There were no differences in 30-day adverse event rate and 30-day mortality rate. CONCLUSION: EUS-GE was superior to enteral stenting in the treatment of malignant GOO in terms of treatment failure and time until treatment failure in a propensity score-matched cohort.
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